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: (EM-93)
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| EM-93 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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Hill, B. and Bolgrien, D. |
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Document Year
variable.detail.emDocumentYearHelp
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2011 |
| Nitrate - nitrogen concentration | Reach length | Stream depth | Stream width | Velocity (water) | Coefficient on nitrate-nitrogen uptake velocity | Constant on nitrate-nitrogen uptake velocity | Proportional nitrate-nitrogen removal | |
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Variable ID
variable.detail.varIdHelp
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2823 | 2654 | 1293 | 1294 | 1296 | 3194 | 3195 | 1297 |
| NO3-N | l | z | w | v | Not reported | Not reported | PNR | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal |
| ug L^-1 | km | m | m | m sec^-1 | unitless | unitless | unitless (0-1) |
| Nitrate - nitrogen concentration | Reach length | Stream depth | Stream width | Velocity (water) | Coefficient on nitrate-nitrogen uptake velocity | Constant on nitrate-nitrogen uptake velocity | Proportional nitrate-nitrogen removal | |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Response |
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Predictor Variable Type
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Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Constant or Parameter | Constant or Parameter | Not applicable |
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Response Variable Type
variable.detail.resClassHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Computed Variable |
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Data Source/Type
variable.detail.dataTypeHelp
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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) | Local Field/Lab Data (e.g., particular to the EM study) |
Local Field/Lab Data (e.g., particular to the EM study) ?Comment:Derived in another manuscript. May be statistically estimated |
Other or unclear (comment) ?Comment:Derived in another paper. May be statistically derived |
Not applicable |
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Variable Classification Hierarchy
variable.detail.vchLevel1Help
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4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
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 |
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 |
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--Human-caused release, presence or characteristics of polluting substances |
--Spatial resolution or extent of cell, pixel, polygon |
--Physical/chemical characteristics of nonliving ecosystem components |
--Physical/chemical characteristics of nonliving ecosystem components |
--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 |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
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----Release, presence or characteristics of reactive forms of nitrogen in air or water |
----Physical/chemical characteristics of water |
----Physical/chemical characteristics of water |
----Physical/chemical characteristics of water |
----Nitrogen-related characteristics of ecosystem components |
----Nitrogen-related characteristics of ecosystem components |
----Nitrogen-related characteristics of ecosystem components |
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------Water volume or flow in rivers or streams |
------Water volume or flow in rivers or streams |
------Water volume or flow in rivers or streams |
------Reactive nitrogen accumulation or attenuation by terrestrial or aquatic ecosystem components |
------Reactive nitrogen accumulation or attenuation by terrestrial or aquatic ecosystem components |
------Reactive nitrogen accumulation or attenuation by terrestrial or aquatic ecosystem components |
| Nitrate - nitrogen concentration | Reach length | Stream depth | Stream width | Velocity (water) | Coefficient on nitrate-nitrogen uptake velocity | Constant on nitrate-nitrogen uptake velocity | Proportional nitrate-nitrogen removal | |
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Spatial Extent Area
variable.detail.spExtentHelp
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>1,000,000 km^2 | >1,000,000 km^2 | >1,000,000 km^2 | >1,000,000 km^2 | >1,000,000 km^2 | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | >1,000,000 km^2 |
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Spatially Distributed?
variable.detail.spDistributedHelp
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Yes | Yes | Yes | Yes | Yes | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Yes |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Yes | No | Yes | Yes | Yes | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Yes |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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Length, for linear feature (e.g., stream mile) | Not applicable | length, for linear feature (e.g., stream mile) | length, for linear feature (e.g., stream mile) | length, for linear feature (e.g., stream mile) | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | length, for linear feature (e.g., stream mile) |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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1 km | Not applicable | 1 km | 1 km | reach | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | 1 km |
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Spatial Density
variable.detail.spDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Not applicable |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Total Annual Nitrogen Deposition | National Hydrography Dataset Plus (NHD PlusV2) | National Hydrography Dataset Plus (NHD PlusV2) | National Hydrography Dataset Plus (NHD PlusV2) | Total Annual Reduced Nitrogen Deposition | Total Annual Reduced Nitrogen Deposition |
| Nitrate - nitrogen concentration | Reach length | Stream depth | Stream width | Velocity (water) | Coefficient on nitrate-nitrogen uptake velocity | Constant on nitrate-nitrogen uptake velocity | Proportional nitrate-nitrogen removal | |
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Temporal Extent
variable.detail.tempExtentHelp
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2000-2008 | 2000-2008 | 2000-2008 | 2000-2008 | 2000-2008 | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | 2000-2008 |
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Temporally Distributed?
variable.detail.tempDistributedHelp
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No | Not applicable | Not applicable | Not applicable | Yes | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | No |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Yes | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Not applicable |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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Not applicable | Not applicable | Not applicable | Not applicable | 1 | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Not applicable |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Not applicable | Not applicable | Not applicable | Not applicable | second | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Not applicable |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Not applicable |
| Nitrate - nitrogen concentration | Reach length | Stream depth | Stream width | Velocity (water) | Coefficient on nitrate-nitrogen uptake velocity | Constant on nitrate-nitrogen uptake velocity | Proportional nitrate-nitrogen removal | |
| ug L^-1 | km | m | m | m sec^-1 | Not reported | Not reported | unitless (0-1) | |
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Min Value
variable.detail.minEstHelp
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0.01 | 1 | 0.32 | 2.63 | 0.02 | Not reported | Not reported | 0.01 |
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Max Value
variable.detail.estHelp
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329 | 1 | 8.91 | 1551 | 1.22 | Not reported | Not reported | 0.28 |
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Other Value Type
variable.detail.natureOtherEstHelp
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Not applicable | Not applicable | Not applicable | Not reported | Not applicable | Single Observation | Single Observation | Not applicable |
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Other Value
variable.detail.otherEstHelp
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Not reported | Not applicable | Not reported | Not applicable | Not reported | -0.462 | -2.206 | Not reported |
| Nitrate - nitrogen concentration | Reach length | Stream depth | Stream width | Velocity (water) | Coefficient on nitrate-nitrogen uptake velocity | Constant on nitrate-nitrogen uptake velocity | Proportional nitrate-nitrogen removal | |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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No | No | No | No | No | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | No |
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Variability Metric
variable.detail.variabilityMetricHelp
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None | None | None | None | None | None | None | None |
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Variability Value
variable.detail.variabilityValueHelp
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None | None | None | None | None | None | None | None |
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Variability Units
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None | None | None | None | None | None | None | None |
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Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Not applicable |
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Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not recorded for Constant or Factor Variables | Not recorded for Constant or Factor Variables | Not applicable |
| Proportional nitrate-nitrogen removal | |
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Variable ID
variable.detail.varIdHelp
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1297 |
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Validated?
variable.detail.resValidatedHelp
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Not applicable |
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Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
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None |
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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None |
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Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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None |
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Validation Metric
variable.detail.validationMetricHelp
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None |
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Validation Value
variable.detail.validationValHelp
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None |
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Validation Units
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None |
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Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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None |