EcoService Models Library (ESML)
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Variables Details
: (EM-584)
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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 |
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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13567 | 13565 | 13566 | 13568 |
Not reported | Not reported | Not reported | Not reported | |
Qualitative-Quantitative
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Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
Cardinal-Ordinal
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Cardinal | Cardinal | Cardinal | Cardinal |
mm | kg/ha | kg/ha | t/ha |
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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Response |
Response |
Response |
Response |
Predictor Variable Type
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Not applicable | Not applicable | Not applicable | Not applicable |
Response Variable Type
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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) | 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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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 |
--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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----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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------Water volume or flow over ground surface (i.e., runoff) |
------Soil, slope or land stability or erosiveness |
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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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?
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No | No | No | No |
Observations Spatially Patterned?
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Not applicable | Not applicable | Not applicable | Not applicable |
Spatial Grain Type
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Not applicable | Not applicable | Not applicable | Not applicable |
Spatial Grain Size
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Not applicable | Not applicable | Not applicable | Not applicable |
Spatial Density
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Not applicable | Not applicable | Not applicable | Not applicable |
EnviroAtlas URL
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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
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1997-1999 | 1997-1999 | 1997-1999 | 1997-1999 |
Temporally Distributed?
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No | No | No | No |
Regular Temporal Grain?
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Not applicable | Not applicable | Not applicable | Not applicable |
Temporal Grain Size Value
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Not applicable | Not applicable | Not applicable | Not applicable |
Temporal Grain Size Units
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Not applicable | Not applicable | Not applicable | Not applicable |
Temporal Density
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Not applicable | Not applicable | Not applicable | Not applicable |
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 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
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Not reported | Not reported | Not reported | Not reported |
Max Value
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Not reported | Not reported | Not reported | Not reported |
Other Value Type
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Reported total (units adjusted) | Reported total (units adjusted) | Reported total (units adjusted) | Reported total (units adjusted) |
Other Value
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23.24 | 1.37 | 0.79 | 0.20 |
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?
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No | No | No | No |
Variability Metric
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None | None | None | None |
Variability Value
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None | None | None | None |
Variability Units
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None | None | None | None |
Resampling Used?
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Not applicable | Not applicable | Not applicable | Not applicable |
Variability Expression Used in Modeling?
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Not applicable | Not applicable | Not applicable | Not applicable |
Total flow loss (observed) | Total N loss (observed) | Total P loss (observed) | Total sediment loss (observed) | |||||
Variable ID
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13567 | 13565 | 13566 | 13568 | ||||
Validated?
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Not applicable | Not applicable | Not applicable | Not applicable | ||||
Validation Approach (within, between, etc.)
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None | None | None | None | ||||
Validation Quality (Qual/Quant)
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None | None | None | None | ||||
Validation Method (Stat/Deviance)
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None | None | None | None | ||||
Validation Metric
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None | None | None | None | ||||
Validation Value
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None | None | None | None | ||||
Validation Units
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None | None | None | None | ||||
Use of Measured Response Data
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