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Variables Details
: (EM-942)
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EM Identity and Description
| EM-942 | |
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Document Author
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Hashad, K. B. Yang, J. T. Steffens, R. W. Baldauf, P. Deshmukh, K. M. Zhang |
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Document Year
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2021 |
Variable General Info
Pollutant plume velocity fitting constant ?Comment:The fitting needs to be continuous, i.e., the value of the mean plume velocity has to be the same at the boundaries of each of the four zones. The values of the fitting constants C1 to C5 were obtained for each of the training cases, then fitted as a function of the vegetation properties and local wind speed following the fitting procedure highlighted earlier. See equations 8-11 of the source document to see the detailed formulation of the fitting constants for each model region. |
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Variable ID
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23185 |
| Cn | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal |
| unitless |
Variable Typology
Pollutant plume velocity fitting constant ?Comment:The fitting needs to be continuous, i.e., the value of the mean plume velocity has to be the same at the boundaries of each of the four zones. The values of the fitting constants C1 to C5 were obtained for each of the training cases, then fitted as a function of the vegetation properties and local wind speed following the fitting procedure highlighted earlier. See equations 8-11 of the source document to see the detailed formulation of the fitting constants for each model region. |
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Predictor-Intermediate-Response
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Predictor |
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Predictor Variable Type
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Constant or Parameter |
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Response Variable Type
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Not applicable |
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Data Source/Type
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Not applicable |
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Variable Classification Hierarchy
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N. Not classified |
Variable Spatial Characteristics
Pollutant plume velocity fitting constant ?Comment:The fitting needs to be continuous, i.e., the value of the mean plume velocity has to be the same at the boundaries of each of the four zones. The values of the fitting constants C1 to C5 were obtained for each of the training cases, then fitted as a function of the vegetation properties and local wind speed following the fitting procedure highlighted earlier. See equations 8-11 of the source document to see the detailed formulation of the fitting constants for each model region. |
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Spatial Extent Area
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Not recorded for Constant or Parameter Variables |
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Spatially Distributed?
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Not recorded for Constant or Parameter Variables |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Not recorded for Constant or Parameter Variables |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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Not recorded for Constant or Paarameter Variables |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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Not recorded for Constant or Parameter Variables |
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Spatial Density
variable.detail.spDensityHelp
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Not recorded for Constant or Parameter Variables |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
Pollutant plume velocity fitting constant ?Comment:The fitting needs to be continuous, i.e., the value of the mean plume velocity has to be the same at the boundaries of each of the four zones. The values of the fitting constants C1 to C5 were obtained for each of the training cases, then fitted as a function of the vegetation properties and local wind speed following the fitting procedure highlighted earlier. See equations 8-11 of the source document to see the detailed formulation of the fitting constants for each model region. |
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Temporal Extent
variable.detail.tempExtentHelp
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Not recorded for Constant or Parameter Variables |
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Temporally Distributed?
variable.detail.tempDistributedHelp
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Not recorded for Constant or Parameter Variables |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Not recorded for Constant or Parameter Variables |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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Not recorded for Constant or Parameter Variables |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Not recorded for Constant or Parameter Variables |
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Temporal Density
variable.detail.tempDensityHelp
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Not recorded for Constant or Parameter Variables |
Variable Values
Pollutant plume velocity fitting constant ?Comment:The fitting needs to be continuous, i.e., the value of the mean plume velocity has to be the same at the boundaries of each of the four zones. The values of the fitting constants C1 to C5 were obtained for each of the training cases, then fitted as a function of the vegetation properties and local wind speed following the fitting procedure highlighted earlier. See equations 8-11 of the source document to see the detailed formulation of the fitting constants for each model region. |
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| Not applicable | |
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Min Value
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Not applicable |
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Max Value
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Not applicable |
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Other Value Type
variable.detail.natureOtherEstHelp
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Not applicable |
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Other Value
variable.detail.otherEstHelp
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Not applicable |
Variable Variability and Sensitivity
Pollutant plume velocity fitting constant ?Comment:The fitting needs to be continuous, i.e., the value of the mean plume velocity has to be the same at the boundaries of each of the four zones. The values of the fitting constants C1 to C5 were obtained for each of the training cases, then fitted as a function of the vegetation properties and local wind speed following the fitting procedure highlighted earlier. See equations 8-11 of the source document to see the detailed formulation of the fitting constants for each model region. |
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Variability Expression Given?
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Not recorded for Constant or Parameter Variables |
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Variability Metric
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None |
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Variability Value
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None |
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Variability Units
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None |
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Resampling Used?
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Not recorded for Constant or Parameter Variables |
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Variability Expression Used in Modeling?
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Not recorded for Constant or Parameter Variables |
Variable Operational Validation (Response Variables only)
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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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