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Variables Details
: (EM-417)
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EM Identity and Description
| EM-417 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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Hu, W. and Y. Yuan |
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Document Year
variable.detail.emDocumentYearHelp
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2013 |
Variable General Info
| Annual sediment yield (watershed) | Final soil water content (watershed) | Final soil water content per hydrologic response unit | Sediment yield per HRU delivered to stream | Suspended sediment in reach | Watershed surface runoff | |
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Variable ID
variable.detail.varIdHelp
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8732 | 8686 | 8684 | 8681 | 8682 | 8687 |
| Not reported | Not reported | Not reported | SYLD | Sedsusp | Not reported | |
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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) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal |
| tons/yr | mm | mm | metric tons/yr | mg/l | mm |
Variable Typology
| Annual sediment yield (watershed) | Final soil water content (watershed) | Final soil water content per hydrologic response unit | Sediment yield per HRU delivered to stream | Suspended sediment in reach | Watershed surface runoff | |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Response |
Response |
Response |
Response |
Response |
Response |
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Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Response Variable Type
variable.detail.resClassHelp
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Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
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Data Source/Type
variable.detail.dataTypeHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 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 |
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 |
4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Human-caused release, presence or characteristics of polluting substances |
--Physical/chemical characteristics of nonliving ecosystem components |
--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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----Release, erosion and presence or characteristics of sediments/ particles in air or water |
----Physical/chemical characteristics of soils, substrates, rocks |
----Physical/chemical characteristics of soils, substrates, rocks |
----Release, erosion and presence or characteristics of sediments/ particles in air or water |
----Release, erosion and presence or characteristics of sediments/ particles in air or water |
----Physical/chemical characteristics of soils, substrates, rocks |
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------Soil hydrologic characteristics |
------Soil hydrologic characteristics |
------Soil hydrologic characteristics |
Variable Spatial Characteristics
| Annual sediment yield (watershed) | Final soil water content (watershed) | Final soil water content per hydrologic response unit | Sediment yield per HRU delivered to stream | Suspended sediment in reach | Watershed surface runoff | |
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Spatial Extent Area
variable.detail.spExtentHelp
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100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 |
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Spatially Distributed?
variable.detail.spDistributedHelp
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No | No | Yes | Yes | Yes | No |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Not applicable | Not applicable | Yes | Yes | No | Not applicable |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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Not applicable | Not applicable | Other (specify), for irregular (e.g., stream reach, lake basin) | Other (specify), for irregular (e.g., stream reach, lake basin) | Not applicable | Not applicable |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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Not applicable | Not applicable | Hydrologic Response Unit | Hydrologic Resource Unit | Not applicable | Not applicable |
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Spatial Density
variable.detail.spDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not reported | Not applicable |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
| Annual sediment yield (watershed) | Final soil water content (watershed) | Final soil water content per hydrologic response unit | Sediment yield per HRU delivered to stream | Suspended sediment in reach | Watershed surface runoff | |
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Temporal Extent
variable.detail.tempExtentHelp
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1981-2004 | 1981-2004 | 1981-2004 | Not reported | Not reported | 1981-2004 |
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Temporally Distributed?
variable.detail.tempDistributedHelp
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Yes | Yes | Yes | No | No | Yes |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Yes | Yes | Yes | Not applicable | Not applicable | Yes |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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1 | 1 | 1 | Not applicable | Not applicable | 1 |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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year | Day | Day | Not applicable | Not applicable | Day |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Values
| Annual sediment yield (watershed) | Final soil water content (watershed) | Final soil water content per hydrologic response unit | Sediment yield per HRU delivered to stream | Suspended sediment in reach | Watershed surface runoff | |
| tons/yr | Not reported | Not reported | Not reported | Not reported | Not reported | |
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Min Value
variable.detail.minEstHelp
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5408 | Not reported | Not reported | Not reported | Not reported | Not reported |
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Max Value
variable.detail.estHelp
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18610 | Not reported | Not reported | Not reported | Not reported | Not reported |
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Other Value Type
variable.detail.natureOtherEstHelp
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Mean | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Other Value
variable.detail.otherEstHelp
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10223 | Not reported | Not reported | Not reported | Not reported | Not reported |
Variable Variability and Sensitivity
| Annual sediment yield (watershed) | Final soil water content (watershed) | Final soil water content per hydrologic response unit | Sediment yield per HRU delivered to stream | Suspended sediment in reach | Watershed surface runoff | |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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No | No | No | No | No | No |
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Variability Metric
variable.detail.variabilityMetricHelp
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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 |
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Variability Units
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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 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 applicable |
Variable Operational Validation (Response Variables only)
| Annual sediment yield (watershed) | Final soil water content (watershed) | Final soil water content per hydrologic response unit | Sediment yield per HRU delivered to stream | Suspended sediment in reach | Watershed surface runoff | ||||||
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Variable ID
variable.detail.varIdHelp
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8732 | 8686 | 8684 | 8681 | 8682 | 8687 | |||||
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Validated?
variable.detail.resValidatedHelp
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No | No | No | No | Yes | Yes | |||||
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Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
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None | None | None | None |
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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None | None | None | None |
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Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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None | None | None | None |
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Validation Metric
variable.detail.validationMetricHelp
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None | None | None | None |
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Validation Value
variable.detail.validationValHelp
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None | None | None | None |
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Validation Units
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None | None | None | None |
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Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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None | None | None | None | None | None |