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EM-584: Nutrient Tracking Tool - a user-friendly tool for calculating nutrient reductions for water quality trading
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EM-584 | |
Document Author
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Saleh, A., O. Gallego, E. Osei, H. Lal, C. Gross, S. McKinney, and H. Cover |
Document Year
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2011 |
Crop type ?Comment:Sorghum double-cropped with winter wheat (sorghum/winter wheat) was the crop cover on the field plots. |
End of season date ?Comment:End of season indicates to the model that the crop is removed from the field. If an End of Season operation is not present, then the model assumes that the crop is left growing. End of season should be used for all annual crops. For certain perennial crops like hay and pasture, End of Season operations may be absent from the crop schedule. |
Fertilizer amount (commercial) | Fertilizer amount (manure) |
Fertilizer category ?Comment:Solid manure. |
Fertilizer composition (commercial) ?Comment:These fields indicate the N and P composition. These fields are pre-filled based on the fertilizer type selected, but can be modified if needed. |
Fertilizer depth | Fertilizer total N concentration (manure) | Fertilizer total P concentration (manure) |
Fertilizer type ?Comment:Cattle. |
Field (area of interest) ?Comment:A field plot located in the eastern portion of the Goose Branch microwatershed of the North Bosque watershed. |
Field area |
Forest buffer width ?Comment:Optional variable included in the Forest buffer alternative scenario (Run). The buffer is subtracted from the field area and situated across the entire slope at the downslope edge. Buffer area is computed in the model from its width and field dimensions. |
Grass strip vegetation ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The filter strip vegetation is assumed to be switchgrass. |
Grass strip width ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The strip is subtracted from the field area and situated across the entire slope at the downslope edge. Strip area is computed in the model from its width and field dimensions. |
Harvest date |
Moisture content (manure) ?Comment:For manure fertilizer, this is the percentage, by weight, of moisture content in the manure. Typical values for each manure type are provided, but can be modified by the user. |
Plant method ?Comment:Not reported. |
Planting date ?Comment:Not reported. Fall for wheat, spring for sorghum. |
Rotation year ?Comment:The rotation year indicates the sequence of the crop within the crop schedule, it does not represent the calendar year. |
Seed amount | Soil organic matter |
Soil P ?Comment:It was assumed, based on the agricultural practices in Erath County, that the initial soil P in the top 15 cm of soil depth was 150 ppm. |
Soil P test ?Comment:Best professional judgement used in place of? |
Tillage ?Comment:Provided for the verification period (1997-1999): chisel plow, plow. |
Change in crop yield ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total flow loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total N loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total P loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total sediment loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Crop yield |
Total flow loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total N loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total P loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total sediment loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total flow loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total N loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total P loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total sediment loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
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Variable ID
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13534 | 13548 | 13541 | 13540 | 13538 | 13543 | 13542 | 13544 | 13545 | 13539 | 13527 | 13528 | 13560 | 13561 | 13559 | 13547 | 13546 | 13535 | 13536 | 13533 | 13537 | 13531 | 13530 | 13529 | 13532 | 13558 | 13556 | 13554 | 13555 | 13557 | 13553 | 13551 | 13549 | 13550 | 13552 | 13567 | 13565 | 13566 | 13568 |
Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | |
Qualitative-Quantitative
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Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
Cardinal-Ordinal
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Non-Ordinal | Cardinal | Cardinal | Cardinal | Non-Ordinal | Cardinal | Cardinal | Cardinal | Cardinal | Non-Ordinal | Non-Ordinal | Cardinal | Cardinal | Non-Ordinal | Cardinal | Cardinal | Cardinal | Non-Ordinal | Cardinal | Ordinal | Cardinal | Cardinal | Cardinal | Non-Ordinal | Non-Ordinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal |
Not applicable | day of year | kg/ha | t/ha | Not applicable | Not reported | Not reported | kg/ha | kg/ha | Not applicable | Not applicable | ac | m | Not applicable | m | day of year | % | Not applicable | day of year | Not applicable | seeds/sq. ft. | % | ppm | Not applicable | Not applicable | % | % | % | % | % | Not reported | mm | kg/ha | kg/ha | t/ha | mm | kg/ha | kg/ha | t/ha |
Crop type ?Comment:Sorghum double-cropped with winter wheat (sorghum/winter wheat) was the crop cover on the field plots. |
End of season date ?Comment:End of season indicates to the model that the crop is removed from the field. If an End of Season operation is not present, then the model assumes that the crop is left growing. End of season should be used for all annual crops. For certain perennial crops like hay and pasture, End of Season operations may be absent from the crop schedule. |
Fertilizer amount (commercial) | Fertilizer amount (manure) |
Fertilizer category ?Comment:Solid manure. |
Fertilizer composition (commercial) ?Comment:These fields indicate the N and P composition. These fields are pre-filled based on the fertilizer type selected, but can be modified if needed. |
Fertilizer depth | Fertilizer total N concentration (manure) | Fertilizer total P concentration (manure) |
Fertilizer type ?Comment:Cattle. |
Field (area of interest) ?Comment:A field plot located in the eastern portion of the Goose Branch microwatershed of the North Bosque watershed. |
Field area |
Forest buffer width ?Comment:Optional variable included in the Forest buffer alternative scenario (Run). The buffer is subtracted from the field area and situated across the entire slope at the downslope edge. Buffer area is computed in the model from its width and field dimensions. |
Grass strip vegetation ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The filter strip vegetation is assumed to be switchgrass. |
Grass strip width ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The strip is subtracted from the field area and situated across the entire slope at the downslope edge. Strip area is computed in the model from its width and field dimensions. |
Harvest date |
Moisture content (manure) ?Comment:For manure fertilizer, this is the percentage, by weight, of moisture content in the manure. Typical values for each manure type are provided, but can be modified by the user. |
Plant method ?Comment:Not reported. |
Planting date ?Comment:Not reported. Fall for wheat, spring for sorghum. |
Rotation year ?Comment:The rotation year indicates the sequence of the crop within the crop schedule, it does not represent the calendar year. |
Seed amount | Soil organic matter |
Soil P ?Comment:It was assumed, based on the agricultural practices in Erath County, that the initial soil P in the top 15 cm of soil depth was 150 ppm. |
Soil P test ?Comment:Best professional judgement used in place of? |
Tillage ?Comment:Provided for the verification period (1997-1999): chisel plow, plow. |
Change in crop yield ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total flow loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total N loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total P loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total sediment loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Crop yield |
Total flow loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total N loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total P loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total sediment loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total flow loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total N loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total P loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total sediment loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
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Predictor-Intermediate-Response
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Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Response |
Response |
Response |
Response |
Response |
Response |
Response |
Response |
Response |
Response |
Response |
Response |
Response |
Response |
Predictor Variable Type
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Time- or Space-varying Variable |
Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Response Variable Type
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Observed Variable |
Observed Variable |
Observed Variable |
Observed Variable |
Data Source/Type
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Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Obtained by Best Professional Judgment | Obtained by Best Professional Judgment | Local field/Lab data (e.g., particular to the EM study) | Obtained by Best Professional Judgment | Obtained by Best Professional Judgment | Obtained by Best Professional Judgment | Obtained by Best Professional Judgment | Local field/Lab data (e.g., particular to the EM study) | Map or database (e.g., wide coverage, wide availability, measured or modeled) | Map or database (e.g., wide coverage, wide availability, measured or modeled) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Obtained by Best Professional Judgment | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) |
Other or unclear (comment) ?Comment:Source and value not reported. |
Obtained by Best Professional Judgment | Obtained by Best Professional Judgment | Local field/Lab data (e.g., particular to the EM study) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) |
Variable Classification Hierarchy
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4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
--Harvest activities and related ecological disturbance (except pollutant release) |
--Harvest activities and related ecological disturbance (except pollutant release) |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Demarcation of watershed, channel, floodplain, shore, coastline, flowline |
--Spatial resolution or extent of cell, pixel, polygon |
--Land use/land cover type or dominant habitat type |
--Land use/land cover type or dominant habitat type |
--Land use/land cover type or dominant habitat type |
--Harvest activities and related ecological disturbance (except pollutant release) |
--Human-caused release, presence or characteristics of polluting substances |
--Harvest activities and related ecological disturbance (except pollutant release) |
--Harvest activities and related ecological disturbance (except pollutant release) |
--Harvest activities and related ecological disturbance (except pollutant release) |
--Harvest activities and related ecological disturbance (except pollutant release) |
--Physical/chemical characteristics of nonliving ecosystem components |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Harvest activities and related ecological disturbance (except pollutant release) |
--Demand for or use of provisioning services-Materials |
--Demand for or use of regulation & maintenance services-Mediation of flows |
--Demand for or use of regulation & maintenance services-Mediation of wastes |
--Demand for or use of regulation & maintenance services-Mediation of wastes |
--Demand for or use of regulation & maintenance services-Mediation of flows |
--Demand for or use of provisioning services-Materials |
--Physical/chemical characteristics of nonliving ecosystem components |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Physical/chemical characteristics of nonliving ecosystem components |
--Human-caused release, presence or characteristics of polluting substances |
--Human-caused release, presence or characteristics of polluting substances |
--Physical/chemical characteristics of nonliving ecosystem components |
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----Agricultural and ranching activities and disturbance |
----Agricultural and ranching activities and disturbance |
----Human additions of fertilizers |
----Human additions of fertilizers |
----Human additions of fertilizers |
----Human additions of fertilizers |
----Human additions of fertilizers |
----Human additions of fertilizers |
----Human additions of fertilizers |
----Human additions of fertilizers |
----Watershed demarcation or dimension |
----Forests |
----Grasslands/prairie/steppe |
----Grasslands/prairie/steppe |
----Agricultural and ranching activities and disturbance |
----Human additions of fertilizers |
----Agricultural and ranching activities and disturbance |
----Agricultural and ranching activities and disturbance |
----Agricultural and ranching activities and disturbance |
----Agricultural and ranching activities and disturbance |
----Physical/chemical characteristics of soils, substrates, rocks |
----Phosphorus-related characteristics of ecosystem components |
----Phosphorus-related characteristics of ecosystem components |
----Agricultural and ranching activities and disturbance |
----Materials from plants, algae and animals for agricultural use |
----Hydrological cycle and water flow maintenance |
----Filtration/sequestration/storage/accumulation by micro-organisms, algae, plants, and animals |
----Filtration/sequestration/storage/accumulation by micro-organisms, algae, plants, and animals |
----Mass stabilisation and control of erosion rates |
----Materials from plants, algae and animals for agricultural use |
----Physical/chemical characteristics of water |
----Release, presence or characteristics of reactive forms of nitrogen in air or water |
----Release, presence or characteristics of phosphorus in air or water |
----Release, erosion and presence or characteristics of sediments/ particles in air or water |
----Physical/chemical characteristics of water |
----Release, presence or characteristics of reactive forms of nitrogen in air or water |
----Release, presence or characteristics of phosphorus in air or water |
----Physical/chemical characteristics of soils, substrates, rocks |
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------Soil chemistry, composition, and characteristics (non-contaminants) |
------Phosphorus presence (in terrestrial ecosystem components) |
------Phosphorus presence (in terrestrial ecosystem components) |
------Water volume or flow over ground surface (i.e., runoff) |
------Water volume or flow over ground surface (i.e., runoff) |
------Soil, slope or land stability or erosiveness |
Crop type ?Comment:Sorghum double-cropped with winter wheat (sorghum/winter wheat) was the crop cover on the field plots. |
End of season date ?Comment:End of season indicates to the model that the crop is removed from the field. If an End of Season operation is not present, then the model assumes that the crop is left growing. End of season should be used for all annual crops. For certain perennial crops like hay and pasture, End of Season operations may be absent from the crop schedule. |
Fertilizer amount (commercial) | Fertilizer amount (manure) |
Fertilizer category ?Comment:Solid manure. |
Fertilizer composition (commercial) ?Comment:These fields indicate the N and P composition. These fields are pre-filled based on the fertilizer type selected, but can be modified if needed. |
Fertilizer depth | Fertilizer total N concentration (manure) | Fertilizer total P concentration (manure) |
Fertilizer type ?Comment:Cattle. |
Field (area of interest) ?Comment:A field plot located in the eastern portion of the Goose Branch microwatershed of the North Bosque watershed. |
Field area |
Forest buffer width ?Comment:Optional variable included in the Forest buffer alternative scenario (Run). The buffer is subtracted from the field area and situated across the entire slope at the downslope edge. Buffer area is computed in the model from its width and field dimensions. |
Grass strip vegetation ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The filter strip vegetation is assumed to be switchgrass. |
Grass strip width ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The strip is subtracted from the field area and situated across the entire slope at the downslope edge. Strip area is computed in the model from its width and field dimensions. |
Harvest date |
Moisture content (manure) ?Comment:For manure fertilizer, this is the percentage, by weight, of moisture content in the manure. Typical values for each manure type are provided, but can be modified by the user. |
Plant method ?Comment:Not reported. |
Planting date ?Comment:Not reported. Fall for wheat, spring for sorghum. |
Rotation year ?Comment:The rotation year indicates the sequence of the crop within the crop schedule, it does not represent the calendar year. |
Seed amount | Soil organic matter |
Soil P ?Comment:It was assumed, based on the agricultural practices in Erath County, that the initial soil P in the top 15 cm of soil depth was 150 ppm. |
Soil P test ?Comment:Best professional judgement used in place of? |
Tillage ?Comment:Provided for the verification period (1997-1999): chisel plow, plow. |
Change in crop yield ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total flow loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total N loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total P loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total sediment loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Crop yield |
Total flow loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total N loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total P loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total sediment loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total flow loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total N loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total P loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total sediment loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
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Spatial Extent Area
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100-1000 km^2 | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 |
Not reported ?Comment:Area of two field plots. |
Not reported ?Comment:Area of two field plots. |
Not reported ?Comment:Area of two field plots |
Not reported ?Comment:Area of two field plots. |
Spatially Distributed?
variable.detail.spDistributedHelp
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No | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Not applicable | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Spatial Grain Type
variable.detail.spGrainTypeHelp
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Not applicable | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Spatial Grain Size
variable.detail.spGrainSizeHelp
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Not applicable | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Spatial Density
variable.detail.spDensityHelp
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Not applicable | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Agricultural water use (million gallons/day) | Agricultural water use (million gallons/day) | The Watershed Boundary Dataset (WBD) | GAP Ecological Systems | GAP Ecological Systems | GAP Ecological Systems | Agricultural water use (million gallons/day) | Agricultural water use (million gallons/day) | Agricultural water use (million gallons/day) | Agricultural water use (million gallons/day) | Agricultural water use (million gallons/day) | Agricultural water use (million gallons/day) |
Crop type ?Comment:Sorghum double-cropped with winter wheat (sorghum/winter wheat) was the crop cover on the field plots. |
End of season date ?Comment:End of season indicates to the model that the crop is removed from the field. If an End of Season operation is not present, then the model assumes that the crop is left growing. End of season should be used for all annual crops. For certain perennial crops like hay and pasture, End of Season operations may be absent from the crop schedule. |
Fertilizer amount (commercial) | Fertilizer amount (manure) |
Fertilizer category ?Comment:Solid manure. |
Fertilizer composition (commercial) ?Comment:These fields indicate the N and P composition. These fields are pre-filled based on the fertilizer type selected, but can be modified if needed. |
Fertilizer depth | Fertilizer total N concentration (manure) | Fertilizer total P concentration (manure) |
Fertilizer type ?Comment:Cattle. |
Field (area of interest) ?Comment:A field plot located in the eastern portion of the Goose Branch microwatershed of the North Bosque watershed. |
Field area |
Forest buffer width ?Comment:Optional variable included in the Forest buffer alternative scenario (Run). The buffer is subtracted from the field area and situated across the entire slope at the downslope edge. Buffer area is computed in the model from its width and field dimensions. |
Grass strip vegetation ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The filter strip vegetation is assumed to be switchgrass. |
Grass strip width ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The strip is subtracted from the field area and situated across the entire slope at the downslope edge. Strip area is computed in the model from its width and field dimensions. |
Harvest date |
Moisture content (manure) ?Comment:For manure fertilizer, this is the percentage, by weight, of moisture content in the manure. Typical values for each manure type are provided, but can be modified by the user. |
Plant method ?Comment:Not reported. |
Planting date ?Comment:Not reported. Fall for wheat, spring for sorghum. |
Rotation year ?Comment:The rotation year indicates the sequence of the crop within the crop schedule, it does not represent the calendar year. |
Seed amount | Soil organic matter |
Soil P ?Comment:It was assumed, based on the agricultural practices in Erath County, that the initial soil P in the top 15 cm of soil depth was 150 ppm. |
Soil P test ?Comment:Best professional judgement used in place of? |
Tillage ?Comment:Provided for the verification period (1997-1999): chisel plow, plow. |
Change in crop yield ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total flow loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total N loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total P loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total sediment loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Crop yield |
Total flow loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total N loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total P loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total sediment loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total flow loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total N loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total P loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total sediment loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
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Temporal Extent
variable.detail.tempExtentHelp
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1960-2001 | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | 1960-2001 | 1960-2001 | 1960-2001 | 1960-2001 | 1960-2001 | 1960-2001 | 1960-2001 | 1960-2001 | 1960-2001 | 1960-2001 | 1997-1999 | 1997-1999 | 1997-1999 | 1997-1999 |
Temporally Distributed?
variable.detail.tempDistributedHelp
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Yes | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | No | No | No | No | No | Yes | Yes | Yes | Yes | Yes | No | No | No | No |
Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Yes | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Yes | Yes | Yes | Yes | Yes | Not applicable | Not applicable | Not applicable | Not applicable |
Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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1 | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 1 | 1 | 1 | 1 | 1 | Not applicable | Not applicable | Not applicable | Not applicable |
Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Day | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | year | year | year | year | year | Not applicable | Not applicable | Not applicable | Not applicable |
Temporal Density
variable.detail.tempDensityHelp
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Not applicable | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Crop type ?Comment:Sorghum double-cropped with winter wheat (sorghum/winter wheat) was the crop cover on the field plots. |
End of season date ?Comment:End of season indicates to the model that the crop is removed from the field. If an End of Season operation is not present, then the model assumes that the crop is left growing. End of season should be used for all annual crops. For certain perennial crops like hay and pasture, End of Season operations may be absent from the crop schedule. |
Fertilizer amount (commercial) | Fertilizer amount (manure) |
Fertilizer category ?Comment:Solid manure. |
Fertilizer composition (commercial) ?Comment:These fields indicate the N and P composition. These fields are pre-filled based on the fertilizer type selected, but can be modified if needed. |
Fertilizer depth | Fertilizer total N concentration (manure) | Fertilizer total P concentration (manure) |
Fertilizer type ?Comment:Cattle. |
Field (area of interest) ?Comment:A field plot located in the eastern portion of the Goose Branch microwatershed of the North Bosque watershed. |
Field area |
Forest buffer width ?Comment:Optional variable included in the Forest buffer alternative scenario (Run). The buffer is subtracted from the field area and situated across the entire slope at the downslope edge. Buffer area is computed in the model from its width and field dimensions. |
Grass strip vegetation ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The filter strip vegetation is assumed to be switchgrass. |
Grass strip width ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The strip is subtracted from the field area and situated across the entire slope at the downslope edge. Strip area is computed in the model from its width and field dimensions. |
Harvest date |
Moisture content (manure) ?Comment:For manure fertilizer, this is the percentage, by weight, of moisture content in the manure. Typical values for each manure type are provided, but can be modified by the user. |
Plant method ?Comment:Not reported. |
Planting date ?Comment:Not reported. Fall for wheat, spring for sorghum. |
Rotation year ?Comment:The rotation year indicates the sequence of the crop within the crop schedule, it does not represent the calendar year. |
Seed amount | Soil organic matter |
Soil P ?Comment:It was assumed, based on the agricultural practices in Erath County, that the initial soil P in the top 15 cm of soil depth was 150 ppm. |
Soil P test ?Comment:Best professional judgement used in place of? |
Tillage ?Comment:Provided for the verification period (1997-1999): chisel plow, plow. |
Change in crop yield ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total flow loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total N loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total P loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total sediment loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Crop yield |
Total flow loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total N loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total P loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total sediment loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total flow loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total N loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total P loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total sediment loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not reported | Not applicable | Not applicable | Not applicable | Not applicable | Not reported | Not reported | Not applicable | Not applicable | % |
% ?Comment:The min/max range represents NTT model runs across the 90 soil types comprising the UNBR watershed. |
% ?Comment:The min/max range represents NTT model runs across the 90 soil types comprising the UNBR watershed. |
% ?Comment:The min/max range represents NTT model runs across the 90 soil types comprising the UNBR watershed. |
% ?Comment:The min/max range represents NTT model runs across the 90 soil types comprising the UNBR watershed. |
Not reported | Not reported | Not reported | Not reported | Not reported |
Not reported ?Comment:The measured value compared to the calibrated value of 22.70 mm predicted by the model had a R2 of 0.99 and a Nash-Sutcliffe E value of 0.99. |
Not reported ?Comment:Compared to the observed value of 1.37 kg/ha, the calibrated model predicted 0.72 kg/ha total N loss with a R2 of 0.97 and a Nash-Sutcliffe E value of 0.79. |
Not reported ?Comment:The measured value compared to the calibrated model value of 0.75 kg/ha had an R2 of 0.93 and a Nash-Sutcliffe E value of 0.93. |
Not reported ?Comment:Compared to the measured value, the calibrated model value of 0.22 t/ha had a R2 of 0.97 and a Nash-Sutcliffe E value of 0.92. |
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Min Value
variable.detail.minEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not reported | Not applicable | Not applicable | Not applicable | Not applicable | Not reported | Not reported | Not applicable | Not applicable | Not reported | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported |
Max Value
variable.detail.estHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not reported | Not applicable | Not applicable | Not applicable | Not applicable | Not reported | Not reported | Not applicable | Not applicable | Not reported | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported |
Other Value Type
variable.detail.natureOtherEstHelp
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Not applicable | Not applicable | Single Observation or Parameter Value | Single Observation or Parameter Value | Not applicable | Not applicable | Not applicable | Single Observation or Parameter Value | Single Observation or Parameter Value | Not applicable | Not applicable | Single Observation or Parameter Value | Single Observation or Parameter Value | Not applicable | Single Observation or Parameter Value | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Single Observation or Parameter Value | Single Observation or Parameter Value | Not applicable | Not applicable | Not applicable | Mean | Mean | Mean | Mean | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Reported total (units adjusted) | Reported total (units adjusted) | Reported total (units adjusted) | Reported total (units adjusted) |
Other Value
variable.detail.otherEstHelp
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Not applicable | Not reported | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Not applicable | Not reported | Not reported | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Not applicable | Not applicable | Not reported | 15 | Not applicable | 15 | Not reported | Not reported | Not applicable | Not reported | Not applicable | Not reported | Not reported | 150 | Not applicable | Not applicable | Not reported | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Value varies by Run; view Runs to see values | Not reported | Not reported | Not reported | Not reported | Not reported | 23.24 | 1.37 | 0.79 | 0.20 |
Crop type ?Comment:Sorghum double-cropped with winter wheat (sorghum/winter wheat) was the crop cover on the field plots. |
End of season date ?Comment:End of season indicates to the model that the crop is removed from the field. If an End of Season operation is not present, then the model assumes that the crop is left growing. End of season should be used for all annual crops. For certain perennial crops like hay and pasture, End of Season operations may be absent from the crop schedule. |
Fertilizer amount (commercial) | Fertilizer amount (manure) |
Fertilizer category ?Comment:Solid manure. |
Fertilizer composition (commercial) ?Comment:These fields indicate the N and P composition. These fields are pre-filled based on the fertilizer type selected, but can be modified if needed. |
Fertilizer depth | Fertilizer total N concentration (manure) | Fertilizer total P concentration (manure) |
Fertilizer type ?Comment:Cattle. |
Field (area of interest) ?Comment:A field plot located in the eastern portion of the Goose Branch microwatershed of the North Bosque watershed. |
Field area |
Forest buffer width ?Comment:Optional variable included in the Forest buffer alternative scenario (Run). The buffer is subtracted from the field area and situated across the entire slope at the downslope edge. Buffer area is computed in the model from its width and field dimensions. |
Grass strip vegetation ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The filter strip vegetation is assumed to be switchgrass. |
Grass strip width ?Comment:Optional variable included in the Filter strip alternative scenario (Run). The strip is subtracted from the field area and situated across the entire slope at the downslope edge. Strip area is computed in the model from its width and field dimensions. |
Harvest date |
Moisture content (manure) ?Comment:For manure fertilizer, this is the percentage, by weight, of moisture content in the manure. Typical values for each manure type are provided, but can be modified by the user. |
Plant method ?Comment:Not reported. |
Planting date ?Comment:Not reported. Fall for wheat, spring for sorghum. |
Rotation year ?Comment:The rotation year indicates the sequence of the crop within the crop schedule, it does not represent the calendar year. |
Seed amount | Soil organic matter |
Soil P ?Comment:It was assumed, based on the agricultural practices in Erath County, that the initial soil P in the top 15 cm of soil depth was 150 ppm. |
Soil P test ?Comment:Best professional judgement used in place of? |
Tillage ?Comment:Provided for the verification period (1997-1999): chisel plow, plow. |
Change in crop yield ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total flow loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total N loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total P loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Change in total sediment loss ?Comment:The average impacts of the five alternative scenarios relative to the baseline scenario are provided. Values are presented in separate runs. NTT model runs of the 90 soil types comprising the UNBR watershed were averaged for each scenario. |
Crop yield |
Total flow loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total N loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total P loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total sediment loss ?Comment:Results represent AVERAGE annual edge of field losses across the period of simulation. Year by year results can also be viewed. |
Total flow loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total N loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total P loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
Total sediment loss (observed) ?Comment:Field monitoring data for the October 1997 through December 1999 period were assembled and compared to NTT ouput during the calibration process. A number of methods were used to gauge the performance of the tool and adjust its coefficients during calibration. |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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Not applicable | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | No | No | No | No | No | No | No | No | No | No | No | No | No |
Variability Metric
variable.detail.variabilityMetricHelp
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None |
Variability Value
variable.detail.variabilityValueHelp
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None |
Variability Units
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None |
Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not applicable | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Change in crop yield | Change in total flow loss | Change in total N loss | Change in total P loss | Change in total sediment loss | Crop yield | Total flow loss | Total N loss | Total P loss | Total sediment loss | Total flow loss (observed) | Total N loss (observed) | Total P loss (observed) | Total sediment loss (observed) | |||||
Variable ID
variable.detail.varIdHelp
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13558 | 13556 | 13554 | 13555 | 13557 | 13553 | 13551 | 13549 | 13550 | 13552 | 13567 | 13565 | 13566 | 13568 | ||||
Validated?
variable.detail.resValidatedHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | ||||
Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | ||||
Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | ||||
Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | ||||
Validation Metric
variable.detail.validationMetricHelp
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | ||||
Validation Value
variable.detail.validationValHelp
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | ||||
Validation Units
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None | None | None | None | None | None | None | None | None | None | None | None | None | None | ||||
Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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None | None | None | None | None | None | None | None | None | None |
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