EcoService Models Library (ESML)
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Variables Details
: (EM-892)
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EM-892 | |
Document Author
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McKane |
Document Year
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Carbon normalized sorption coefficient ?Comment:With the specified survey-based spatial estimates of soil organic carbon (humus), VELMA internally calculates the carbon normalized sorption coefficient, KOC. This requires user input of published empirical regression parameters describing the relationship between KOW and KOC. Typically expressed as log KOC. |
Gram solubility coefficient ?Comment:VELMA calculates a gramSolubilityCoefficent value “behind the scenes” as: gramSolubilityCoefficient = molarMass * molSolubilityCoefficient, with units, g/L = g/mol * mol/L |
Soil-water partition coefficient | |
Variable ID
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22093 | 22097 | 22094 |
Koc | Not reported | Kp | |
Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal | Cardinal | Cardinal |
unitless | g L^-1 | (mg/kg bulk soil) / (mg/liter water) |
Carbon normalized sorption coefficient ?Comment:With the specified survey-based spatial estimates of soil organic carbon (humus), VELMA internally calculates the carbon normalized sorption coefficient, KOC. This requires user input of published empirical regression parameters describing the relationship between KOW and KOC. Typically expressed as log KOC. |
Gram solubility coefficient ?Comment:VELMA calculates a gramSolubilityCoefficent value “behind the scenes” as: gramSolubilityCoefficient = molarMass * molSolubilityCoefficient, with units, g/L = g/mol * mol/L |
Soil-water partition coefficient | |
Predictor-Intermediate-Response
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Intermediate (Computed) Variable |
Intermediate (Computed) Variable |
Intermediate (Computed) Variable |
Predictor Variable Type
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Not applicable | Not applicable | Not applicable |
Response Variable Type
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Not applicable | Not applicable | Not applicable |
Data Source/Type
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Not applicable | Not applicable | Not applicable |
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 |
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 |
--Physical/chemical characteristics of nonliving ecosystem components |
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----Physical/chemical characteristics of soils, substrates, rocks |
----Other, multiple, unspecified or unclear |
----Physical/chemical characteristics of soils, substrates, rocks |
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------Other, multiple, unspecified or unclear |
------Soil contaminants |
Carbon normalized sorption coefficient ?Comment:With the specified survey-based spatial estimates of soil organic carbon (humus), VELMA internally calculates the carbon normalized sorption coefficient, KOC. This requires user input of published empirical regression parameters describing the relationship between KOW and KOC. Typically expressed as log KOC. |
Gram solubility coefficient ?Comment:VELMA calculates a gramSolubilityCoefficent value “behind the scenes” as: gramSolubilityCoefficient = molarMass * molSolubilityCoefficient, with units, g/L = g/mol * mol/L |
Soil-water partition coefficient | |
Spatial Extent Area
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Not applicable | Not applicable | Not applicable |
Spatially Distributed?
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Yes | Yes | Yes |
Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Yes | Yes | Yes |
Spatial Grain Type
variable.detail.spGrainTypeHelp
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area, for pixel or radial feature | area, for pixel or radial feature | area, for pixel or radial feature |
Spatial Grain Size
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user defined | user defined | user defined |
Spatial Density
variable.detail.spDensityHelp
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Not applicable | Not applicable | Not applicable |
EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Carbon normalized sorption coefficient ?Comment:With the specified survey-based spatial estimates of soil organic carbon (humus), VELMA internally calculates the carbon normalized sorption coefficient, KOC. This requires user input of published empirical regression parameters describing the relationship between KOW and KOC. Typically expressed as log KOC. |
Gram solubility coefficient ?Comment:VELMA calculates a gramSolubilityCoefficent value “behind the scenes” as: gramSolubilityCoefficient = molarMass * molSolubilityCoefficient, with units, g/L = g/mol * mol/L |
Soil-water partition coefficient | |
Temporal Extent
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Not applicable | Not applicable | Not applicable |
Temporally Distributed?
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Yes | Yes | Yes |
Regular Temporal Grain?
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Yes | Yes | Yes |
Temporal Grain Size Value
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1 | 1 | 1 |
Temporal Grain Size Units
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Day | Day | Day |
Temporal Density
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Not applicable | Not applicable | Not applicable |
Carbon normalized sorption coefficient ?Comment:With the specified survey-based spatial estimates of soil organic carbon (humus), VELMA internally calculates the carbon normalized sorption coefficient, KOC. This requires user input of published empirical regression parameters describing the relationship between KOW and KOC. Typically expressed as log KOC. |
Gram solubility coefficient ?Comment:VELMA calculates a gramSolubilityCoefficent value “behind the scenes” as: gramSolubilityCoefficient = molarMass * molSolubilityCoefficient, with units, g/L = g/mol * mol/L |
Soil-water partition coefficient | |
Not applicable | Not applicable | Not applicable | |
Min Value
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Not applicable | Not applicable | Not applicable |
Max Value
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Not applicable | Not applicable | Not applicable |
Other Value Type
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Not applicable | Not applicable | Not applicable |
Other Value
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Not applicable | Not applicable | Not applicable |
Carbon normalized sorption coefficient ?Comment:With the specified survey-based spatial estimates of soil organic carbon (humus), VELMA internally calculates the carbon normalized sorption coefficient, KOC. This requires user input of published empirical regression parameters describing the relationship between KOW and KOC. Typically expressed as log KOC. |
Gram solubility coefficient ?Comment:VELMA calculates a gramSolubilityCoefficent value “behind the scenes” as: gramSolubilityCoefficient = molarMass * molSolubilityCoefficient, with units, g/L = g/mol * mol/L |
Soil-water partition coefficient | |
Variability Expression Given?
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Not applicable | Not applicable | Not applicable |
Variability Metric
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None | None | None |
Variability Value
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None | None | None |
Variability Units
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None | None | None |
Resampling Used?
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Not applicable | Not applicable | Not applicable |
Variability Expression Used in Modeling?
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Not applicable | Not applicable | Not applicable |
Variable ID
variable.detail.varIdHelp
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Validated?
variable.detail.resValidatedHelp
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Validation Approach (within, between, etc.)
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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Validation Method (Stat/Deviance)
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Validation Metric
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Validation Value
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Validation Units
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Use of Measured Response Data
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