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EM Identity and Description

EM ID variable.detail.emIdHelp ?	EM-417
Document Author variable.detail.emDocumentAuthorHelp ?	Hu, W. and Y. Yuan
Document Year variable.detail.emDocumentYearHelp ?	2013

Variable General Info

Name variable.detail.varNameHelp ?	Actual evapotranspiration	Peak flow rate	Potential evapotranspiration	Return flow	Sediment degradation in reach	Sediment deposition in reach	Surface runoff per HRU [mm]	Volume of water in reach	Water entering vadose zone
Variable ID variable.detail.varIdHelp ?	8683	8664	8636	8635	8680	8679	8733	9889	8630
Symbol variable.detail.varSymbolHelp ?	E a	Not reported	Not reported	Qgw	Seddeg	SEDdep	Qsurf	Not reported	Wseep
Qualitative-Quantitative variable.detail.continuousCategoricalHelp ?	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 variable.detail.cardinalOrdinalHelp ?	Cardinal	Cardinal	Cardinal	Cardinal	Cardinal	Cardinal	Cardinal	Cardinal	Cardinal
Units variable.detail.varUnitsHelp ?	Not reported	m^3/sec	mm H2O	mm /day	mg/l	mg/l	mm	Not reported	mm

Variable Typology

Name variable.detail.varNameHelp ?	Actual evapotranspiration	Peak flow rate	Potential evapotranspiration	Return flow	Sediment degradation in reach	Sediment deposition in reach	Surface runoff per HRU [mm]	Volume of water in reach	Water entering vadose zone
Predictor-Intermediate-Response variable.detail.displayVariableTypeHelp ?	Intermediate (Computed) Variable	Intermediate (Computed) Variable	Intermediate (Computed) Variable	Intermediate (Computed) Variable	Intermediate (Computed) Variable	Intermediate (Computed) Variable	Intermediate (Computed) Variable	Intermediate (Computed) Variable	Intermediate (Computed) Variable
Predictor Variable Type variable.detail.displayPredictorVariableTypeHelp ?	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable
Response Variable Type variable.detail.resClassHelp ?	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable
Data Source/Type variable.detail.dataTypeHelp ?	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable ? Comment: Not clear
Variable Classification Hierarchy variable.detail.vchLevel1Help ?	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	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	5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services
	--Physical/chemical characteristics of nonliving ecosystem components	--Physical/chemical characteristics of nonliving ecosystem components	--Physical/chemical characteristics of nonliving ecosystem components	--Physical/chemical characteristics of nonliving ecosystem components	--Human-caused release, presence or characteristics of polluting substances	--Physical/chemical characteristics of nonliving ecosystem components	--Physical/chemical characteristics of nonliving ecosystem components	--Physical/chemical characteristics of nonliving ecosystem components	--Physical/chemical characteristics of nonliving ecosystem components
	----Physical/chemical characteristics of water	----Physical/chemical characteristics of water	----Physical/chemical characteristics of water	----Physical/chemical characteristics of soils, substrates, rocks	----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	----Physical/chemical characteristics of water	----Physical/chemical characteristics of soils, substrates, rocks
	------Evapotranspiration (via soil and/or vegetation)	------Water volume or flow in rivers or streams	------Evapotranspiration (via soil and/or vegetation)	------Soil hydrologic characteristics		------Water body bed substrate characteristics	------Soil hydrologic characteristics	------Water volume or flow in rivers or streams	------Soil hydrologic characteristics

Variable Spatial Characteristics

Name variable.detail.varNameHelp ?	Actual evapotranspiration	Peak flow rate	Potential evapotranspiration	Return flow	Sediment degradation in reach	Sediment deposition in reach	Surface runoff per HRU [mm]	Volume of water in reach	Water entering vadose zone
Spatial Extent Area variable.detail.spExtentHelp ?	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
Spatially Distributed? variable.detail.spDistributedHelp ?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No
Observations Spatially Patterned? variable.detail.regularSpGrainHelp ?	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Not applicable
Spatial Grain Type variable.detail.spGrainTypeHelp ?	Other (specify), for irregular (e.g., stream reach, lake basin)	subwatershed	watershed ? Comment: Watershed	Not applicable	Other (specify), for irregular (e.g., stream reach, lake basin)	Other (specify), for irregular (e.g., stream reach, lake basin)	Not applicable	Other (specify), for irregular (e.g., stream reach, lake basin)	Not applicable
Spatial Grain Size variable.detail.spGrainSizeHelp ?	watershed	Not reported ? Comment: Variable	Not reported	Not applicable	Subwatershed	Subwatershed	Not applicable	Subwatershed	Not applicable
Spatial Density variable.detail.spDensityHelp ?	Not applicable	Not applicable	Not applicable	2	Not applicable	Not applicable	2 ? Comment: Based on two weather stations	Not applicable	Not applicable
EnviroAtlas URL variable.detail.enviroAtlasURLHelp ?		National Hydrography Dataset Plus (NHD PlusV2)						National Hydrography Dataset Plus (NHD PlusV2)

Variable Temporal Characteristics

Name variable.detail.varNameHelp ?	Actual evapotranspiration	Peak flow rate	Potential evapotranspiration	Return flow	Sediment degradation in reach	Sediment deposition in reach	Surface runoff per HRU [mm]	Volume of water in reach	Water entering vadose zone
Temporal Extent variable.detail.tempExtentHelp ?	1981-2004	Not reported	1981-1984	1981-2004	Not applicable	Not applicable	1981-2004	1981-2004	1981-2004
Temporally Distributed? variable.detail.tempDistributedHelp ?	Yes	Yes	Yes	Yes	No	No	Yes	Yes	Yes
Regular Temporal Grain? variable.detail.regularTempGrainHelp ?	Yes	Yes	Yes	Yes	Not applicable	Not applicable	Yes	Yes	Yes
Temporal Grain Size Value variable.detail.tempGrainSizeValHelp ?	1	1	1	1	Not applicable	Not applicable	1	1	1
Temporal Grain Size Units variable.detail.tempGrainSizeUnitHelp ?	Day	Day	Day	Day	Not applicable	Not applicable	Day	Day	Day
Temporal Density variable.detail.tempDensityHelp ?	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable

Variable Values

Name variable.detail.varNameHelp ?	Actual evapotranspiration	Peak flow rate	Potential evapotranspiration	Return flow	Sediment degradation in reach	Sediment deposition in reach	Surface runoff per HRU [mm]	Volume of water in reach	Water entering vadose zone
Units variable.detail.estUnitHelp ?	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported
Min Value variable.detail.minEstHelp ?	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported
Max Value variable.detail.estHelp ?	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported
Other Value Type variable.detail.natureOtherEstHelp ?	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable
Other Value variable.detail.otherEstHelp ?	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported	Not reported

Variable Variability and Sensitivity

Name variable.detail.varNameHelp ?	Actual evapotranspiration	Peak flow rate	Potential evapotranspiration	Return flow	Sediment degradation in reach	Sediment deposition in reach	Surface runoff per HRU [mm]	Volume of water in reach	Water entering vadose zone
Variability Expression Given? variable.detail.variabilityExpHelp ?	No	No	No	No	No	No	No	No	No
Variability Metric variable.detail.variabilityMetricHelp ?	None	None	None	None	None	None	None	None	None
Variability Value variable.detail.variabilityValueHelp ?	None	None	None	None	None	None	None	None	None
Variability Units	None	None	None	None	None	None	None	None	None
Resampling Used? variable.detail.bootstrappingHelp ?	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 ?	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable

Variable Operational Validation (Response Variables only)

Name variable.detail.varNameHelp ?
Variable ID variable.detail.varIdHelp ?
Validated? variable.detail.resValidatedHelp ?
Validation Approach (within, between, etc.) variable.detail.validationApproachHelp ?
Validation Quality (Qual/Quant) variable.detail.validationQualityHelp ?
Validation Method (Stat/Deviance) variable.detail.validationMethodHelp ?
Validation Metric variable.detail.validationMetricHelp ?
Validation Value variable.detail.validationValHelp ?
Validation Units
Use of Measured Response Data variable.detail.measuredResponseDataHelp ?

Name

Variable ID

Validated?

Validation Approach (within, between, etc.)

Validation Quality (Qual/Quant)

Validation Method (Stat/Deviance)

Validation Metric

Validation Value

Validation Units

Use of Measured Response Data

US EPA

EcoService Models Library (ESML)

Variables Details

: (EM-417)

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