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Variables Details
: (EM-592)
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EM Identity and Description
| EM-592 | |
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Document Author
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Steglich, E. M., J. Jeong and J. R. Williams |
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Document Year
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2016 |
Variable General Info
Subfile: PSOCOM.DAT ?Comment:List of optional point source files. When watersheds have loadings to the stream network from sources not associated with a land area, they are referred to as point sources. The most common point source is a sewage treatment plant. In order to account for loadings from a point source , APEX allows users to add daily loading data for point sources to the main channel network at the outlet of the subarea in which it is located. These loadings are then routed through the channel network along with loadings generated by land areas. |
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Variable ID
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13956 |
| Not reported | |
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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 |
| variable |
Variable Typology
Subfile: PSOCOM.DAT ?Comment:List of optional point source files. When watersheds have loadings to the stream network from sources not associated with a land area, they are referred to as point sources. The most common point source is a sewage treatment plant. In order to account for loadings from a point source , APEX allows users to add daily loading data for point sources to the main channel network at the outlet of the subarea in which it is located. These loadings are then routed through the channel network along with loadings generated by land areas. |
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Predictor-Intermediate-Response
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Predictor |
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Predictor Variable Type
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Time- or Space-varying Variable |
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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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4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
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--Human-caused release, presence or characteristics of polluting substances |
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----Other, multiple, unspecified or unclear |
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Variable Spatial Characteristics
Subfile: PSOCOM.DAT ?Comment:List of optional point source files. When watersheds have loadings to the stream network from sources not associated with a land area, they are referred to as point sources. The most common point source is a sewage treatment plant. In order to account for loadings from a point source , APEX allows users to add daily loading data for point sources to the main channel network at the outlet of the subarea in which it is located. These loadings are then routed through the channel network along with loadings generated by land areas. |
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Spatial Extent Area
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Not applicable |
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Spatially Distributed?
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Yes |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Yes |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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other (specify), for irregular (e.g., stream reach, lake basin) |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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homogenous subareas |
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Spatial Density
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Not applicable |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
Subfile: PSOCOM.DAT ?Comment:List of optional point source files. When watersheds have loadings to the stream network from sources not associated with a land area, they are referred to as point sources. The most common point source is a sewage treatment plant. In order to account for loadings from a point source , APEX allows users to add daily loading data for point sources to the main channel network at the outlet of the subarea in which it is located. These loadings are then routed through the channel network along with loadings generated by land areas. |
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Temporal Extent
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Not applicable |
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Temporally Distributed?
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No |
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Regular Temporal Grain?
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Not applicable |
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Temporal Grain Size Value
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Not applicable |
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Temporal Grain Size Units
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Not applicable |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable |
Variable Values
Subfile: PSOCOM.DAT ?Comment:List of optional point source files. When watersheds have loadings to the stream network from sources not associated with a land area, they are referred to as point sources. The most common point source is a sewage treatment plant. In order to account for loadings from a point source , APEX allows users to add daily loading data for point sources to the main channel network at the outlet of the subarea in which it is located. These loadings are then routed through the channel network along with loadings generated by land areas. |
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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
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Not applicable |
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Other Value
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Not applicable |
Variable Variability and Sensitivity
Subfile: PSOCOM.DAT ?Comment:List of optional point source files. When watersheds have loadings to the stream network from sources not associated with a land area, they are referred to as point sources. The most common point source is a sewage treatment plant. In order to account for loadings from a point source , APEX allows users to add daily loading data for point sources to the main channel network at the outlet of the subarea in which it is located. These loadings are then routed through the channel network along with loadings generated by land areas. |
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Variability Expression Given?
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Not applicable |
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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 applicable |
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Variability Expression Used in Modeling?
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Not applicable |
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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