EcoService Models Library (ESML)
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Variables Details
: (EM-892)
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EM Identity and Description
EM-892 | |
Document Author
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McKane |
Document Year
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Variable General Info
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. |
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Variable ID
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22093 |
Koc | |
Qualitative-Quantitative
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Quantitative (Cardinal Only) |
Cardinal-Ordinal
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Cardinal |
unitless |
Variable Typology
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. |
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Predictor-Intermediate-Response
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Intermediate (Computed) Variable |
Predictor Variable Type
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Not applicable |
Response Variable Type
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Not applicable |
Data Source/Type
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Not applicable |
Variable Classification Hierarchy
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5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
--Physical/chemical characteristics of nonliving ecosystem components |
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----Physical/chemical characteristics of soils, substrates, rocks |
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------Other, multiple, unspecified or unclear |
Variable Spatial Characteristics
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. |
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Spatial Extent Area
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Not applicable |
Spatially Distributed?
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Yes |
Observations Spatially Patterned?
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Yes |
Spatial Grain Type
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area, for pixel or radial feature |
Spatial Grain Size
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user defined |
Spatial Density
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Not applicable |
EnviroAtlas URL
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Variable Temporal Characteristics
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. |
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Temporal Extent
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Not applicable |
Temporally Distributed?
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Yes |
Regular Temporal Grain?
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Yes |
Temporal Grain Size Value
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1 |
Temporal Grain Size Units
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Day |
Temporal Density
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Not applicable |
Variable Values
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. |
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Not applicable | |
Min Value
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Not applicable |
Max Value
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Not applicable |
Other Value Type
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Not applicable |
Other Value
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Not applicable |
Variable Variability and Sensitivity
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. |
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Variability Expression Given?
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Not applicable |
Variability Metric
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None |
Variability Value
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None |
Variability Units
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None |
Resampling Used?
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Not applicable |
Variability Expression Used in Modeling?
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Not applicable |
Variable Operational Validation (Response Variables only)
Variable ID
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Validated?
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Validation Approach (within, between, etc.)
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Validation Quality (Qual/Quant)
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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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