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Variables Details
: (EM-938)
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EM Identity and Description
| EM-938 | |
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Document Author
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Eslinger, David L., H. Jamieson Carter, Matt Pendleton, Shan Burkhalter, Margaret Allen |
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Document Year
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2012 |
Variable General Info
Land cover ?Comment:Land cover is used to estimate pollutant loads by applying coefficients for each pollutant to each land cover class. An excellent source for land cover is NOAA’s Coastal Services Center Coastal Change Analysis Program (C-CAP). Data are available at 30-meter resolution for the nation’s coastal areas. Inland land cover data at 30-meter resolution are available from the National Land Cover Database (NLCD). OpenNSPECT contains default pollutant coefficients for both products. |
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Variable ID
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23092 |
| Not reported | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Qualitative (Class, Rating or Ranking) |
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Cardinal-Ordinal
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Non-Ordinal |
| Not applicable |
Variable Typology
Land cover ?Comment:Land cover is used to estimate pollutant loads by applying coefficients for each pollutant to each land cover class. An excellent source for land cover is NOAA’s Coastal Services Center Coastal Change Analysis Program (C-CAP). Data are available at 30-meter resolution for the nation’s coastal areas. Inland land cover data at 30-meter resolution are available from the National Land Cover Database (NLCD). OpenNSPECT contains default pollutant coefficients for both products. |
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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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2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
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--Land use/land cover type or dominant habitat type |
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----Other, multiple, unspecified or unclear |
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Variable Spatial Characteristics
Land cover ?Comment:Land cover is used to estimate pollutant loads by applying coefficients for each pollutant to each land cover class. An excellent source for land cover is NOAA’s Coastal Services Center Coastal Change Analysis Program (C-CAP). Data are available at 30-meter resolution for the nation’s coastal areas. Inland land cover data at 30-meter resolution are available from the National Land Cover Database (NLCD). OpenNSPECT contains default pollutant coefficients for both products. |
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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?
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Yes |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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area, for pixel or radial feature |
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Spatial Grain Size
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30 m |
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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
Land cover ?Comment:Land cover is used to estimate pollutant loads by applying coefficients for each pollutant to each land cover class. An excellent source for land cover is NOAA’s Coastal Services Center Coastal Change Analysis Program (C-CAP). Data are available at 30-meter resolution for the nation’s coastal areas. Inland land cover data at 30-meter resolution are available from the National Land Cover Database (NLCD). OpenNSPECT contains default pollutant coefficients for both products. |
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Temporal Extent
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Not applicable |
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Temporally Distributed?
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Not applicable |
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Regular Temporal Grain?
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Not applicable |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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Not applicable |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Not applicable |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable |
Variable Values
Land cover ?Comment:Land cover is used to estimate pollutant loads by applying coefficients for each pollutant to each land cover class. An excellent source for land cover is NOAA’s Coastal Services Center Coastal Change Analysis Program (C-CAP). Data are available at 30-meter resolution for the nation’s coastal areas. Inland land cover data at 30-meter resolution are available from the National Land Cover Database (NLCD). OpenNSPECT contains default pollutant coefficients for both products. |
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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
Land cover ?Comment:Land cover is used to estimate pollutant loads by applying coefficients for each pollutant to each land cover class. An excellent source for land cover is NOAA’s Coastal Services Center Coastal Change Analysis Program (C-CAP). Data are available at 30-meter resolution for the nation’s coastal areas. Inland land cover data at 30-meter resolution are available from the National Land Cover Database (NLCD). OpenNSPECT contains default pollutant coefficients for both products. |
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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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