EcoService Models Library (ESML)
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Variables Details
: (EM-884)
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EM-884 | |
Document Author
variable.detail.emDocumentAuthorHelp
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McKane, R. B., A. Brookes, K. Djang, M. Stieglitz, A. G. Abdelnour, F. Pan, J. J. Halama, P. B. Pettus and D. L. Phillips |
Document Year
variable.detail.emDocumentYearHelp
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2014 |
DOC (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
DON (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Elevation ?Comment:A spatial data file (.asc) containing elevation values (in meters) for every cell in the simulation area. The term “Flat-Processed” indicates that the contents of the file have been pre-processed by the JPDEM flat-processing utility. The DEM file is the “master” film for a simulation run: all other spatially-explicit data is assumed to have the same row, column, cell size and x, y offset values as the DEM file. Used to develop slope and aspect values. |
Land cover ?Comment:Class variable. Model can include multiple land cover types within watersheds. |
Land cover age ?Comment:To enable scheduling of disturbance events during a simulation, VELMA needs to keeps track of changes in the age (years) of vegetation from one calendar year to another. |
NH4 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
NO3 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Precipitation ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
Soil type ?Comment:VELMA requires information on key soil properties affecting hydrological and biogeochemical processes within a study watershed. Whether single or multiple soil types are modeled within a watershed, you will need to establish a soil type map and specify parameter values for a set of soil properties associated with each soil type. |
Temperature (air) ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
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Variable ID
variable.detail.varIdHelp
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21601 | 21600 | 21547 | 21522 | 21556 | 21598 | 21599 | 21597 | 21548 | 21584 |
Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | |
Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) |
Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal | Cardinal | Cardinal | Non-Ordinal | Cardinal | Cardinal | Cardinal | Cardinal | Non-Ordinal | Cardinal |
g C m^-2 | g N day^-1 | m | Not applicable | years | g N m^-2 | g N m^-2 | mm day^-1 | Not applicable | °C |
DOC (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
DON (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Elevation ?Comment:A spatial data file (.asc) containing elevation values (in meters) for every cell in the simulation area. The term “Flat-Processed” indicates that the contents of the file have been pre-processed by the JPDEM flat-processing utility. The DEM file is the “master” film for a simulation run: all other spatially-explicit data is assumed to have the same row, column, cell size and x, y offset values as the DEM file. Used to develop slope and aspect values. |
Land cover ?Comment:Class variable. Model can include multiple land cover types within watersheds. |
Land cover age ?Comment:To enable scheduling of disturbance events during a simulation, VELMA needs to keeps track of changes in the age (years) of vegetation from one calendar year to another. |
NH4 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
NO3 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Precipitation ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
Soil type ?Comment:VELMA requires information on key soil properties affecting hydrological and biogeochemical processes within a study watershed. Whether single or multiple soil types are modeled within a watershed, you will need to establish a soil type map and specify parameter values for a set of soil properties associated with each soil type. |
Temperature (air) ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
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Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Response Variable Type
variable.detail.resClassHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Data Source/Type
variable.detail.dataTypeHelp
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Derived as output of another model (and not found in a widely available database) ?Comment:Output of the VELMA Leaf Soil Root (LSR) submodel. |
Derived as output of another model (and not found in a widely available database) ?Comment:Output of the VELMA Leaf Soil Root (LSR) submodel. |
Not applicable | Not applicable | Not applicable |
Derived as output of another model (and not found in a widely available database) ?Comment:Output of the VELMA Leaf Soil Root (LSR) submodel. |
Derived as output of another model (and not found in a widely available database) ?Comment:Output of the VELMA Leaf Soil Root (LSR) submodel. |
Not applicable | Not applicable | Not applicable |
Variable Classification Hierarchy
variable.detail.vchLevel1Help
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5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Geographic position, horizontal or vertical |
--Land use/land cover type or dominant habitat type |
--Land use/land cover type or dominant habitat type |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Physical/chemical characteristics of nonliving ecosystem components |
--Dominant soil or substrate type |
--Physical/chemical characteristics of nonliving ecosystem components |
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----Carbon-related characteristics of ecosystem components |
----Nitrogen-related characteristics of ecosystem components |
----Elevation, altitude, bathymetry |
----Other, multiple, unspecified or unclear |
----Other, multiple, unspecified or unclear |
----Nitrogen-related characteristics of ecosystem components |
----Nitrogen-related characteristics of ecosystem components |
----Physical/chemical characteristics of air, meteorology and precipitation |
----Physical/chemical characteristics of air, meteorology and precipitation |
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------Carbon presence (in terrestrial or aquatic ecosystem components) |
------Nitrogen presence (in terrestrial ecosystem components) |
------Reactive nitrogen accumulation or attenuation by terrestrial or aquatic ecosystem components |
------Reactive nitrogen accumulation or attenuation by terrestrial or aquatic ecosystem components |
------Meteorology data and parameters (including precipitation) |
------Meteorology data and parameters (including precipitation) |
DOC (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
DON (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Elevation ?Comment:A spatial data file (.asc) containing elevation values (in meters) for every cell in the simulation area. The term “Flat-Processed” indicates that the contents of the file have been pre-processed by the JPDEM flat-processing utility. The DEM file is the “master” film for a simulation run: all other spatially-explicit data is assumed to have the same row, column, cell size and x, y offset values as the DEM file. Used to develop slope and aspect values. |
Land cover ?Comment:Class variable. Model can include multiple land cover types within watersheds. |
Land cover age ?Comment:To enable scheduling of disturbance events during a simulation, VELMA needs to keeps track of changes in the age (years) of vegetation from one calendar year to another. |
NH4 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
NO3 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Precipitation ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
Soil type ?Comment:VELMA requires information on key soil properties affecting hydrological and biogeochemical processes within a study watershed. Whether single or multiple soil types are modeled within a watershed, you will need to establish a soil type map and specify parameter values for a set of soil properties associated with each soil type. |
Temperature (air) ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
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Spatial Extent Area
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Spatially Distributed?
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Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | No |
Observations Spatially Patterned?
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Yes | Yes | Yes | Yes | Yes | Yes | Yes | Not applicable | Yes | Not applicable |
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 | area, for pixel or radial feature | area, for pixel or radial feature | area, for pixel or radial feature | area, for pixel or radial feature | Not applicable | area, for pixel or radial feature | Not applicable |
Spatial Grain Size
variable.detail.spGrainSizeHelp
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user defined | user defined | user defined | user defined | user defined | user defined | user defined | Not applicable | user defined | Not applicable |
Spatial Density
variable.detail.spDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Total Annual Reduced Nitrogen Deposition | Total Annual Reduced Nitrogen Deposition | Average Annual Precipitation | Average Annual Precipitation |
DOC (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
DON (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Elevation ?Comment:A spatial data file (.asc) containing elevation values (in meters) for every cell in the simulation area. The term “Flat-Processed” indicates that the contents of the file have been pre-processed by the JPDEM flat-processing utility. The DEM file is the “master” film for a simulation run: all other spatially-explicit data is assumed to have the same row, column, cell size and x, y offset values as the DEM file. Used to develop slope and aspect values. |
Land cover ?Comment:Class variable. Model can include multiple land cover types within watersheds. |
Land cover age ?Comment:To enable scheduling of disturbance events during a simulation, VELMA needs to keeps track of changes in the age (years) of vegetation from one calendar year to another. |
NH4 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
NO3 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Precipitation ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
Soil type ?Comment:VELMA requires information on key soil properties affecting hydrological and biogeochemical processes within a study watershed. Whether single or multiple soil types are modeled within a watershed, you will need to establish a soil type map and specify parameter values for a set of soil properties associated with each soil type. |
Temperature (air) ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
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Temporal Extent
variable.detail.tempExtentHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Temporally Distributed?
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Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | No | Yes |
Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Yes | Yes | Not applicable | Yes | Yes | Yes | Yes | Yes | Not applicable | Yes |
Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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1 | 1 | Not applicable | 1 | 1 | 1 | 1 | 1 | Not applicable | 1 |
Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Day | Day | Not applicable | Day | year | Day | Day | Day | Not applicable | Day |
Temporal Density
variable.detail.tempDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
DOC (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
DON (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Elevation ?Comment:A spatial data file (.asc) containing elevation values (in meters) for every cell in the simulation area. The term “Flat-Processed” indicates that the contents of the file have been pre-processed by the JPDEM flat-processing utility. The DEM file is the “master” film for a simulation run: all other spatially-explicit data is assumed to have the same row, column, cell size and x, y offset values as the DEM file. Used to develop slope and aspect values. |
Land cover ?Comment:Class variable. Model can include multiple land cover types within watersheds. |
Land cover age ?Comment:To enable scheduling of disturbance events during a simulation, VELMA needs to keeps track of changes in the age (years) of vegetation from one calendar year to another. |
NH4 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
NO3 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Precipitation ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
Soil type ?Comment:VELMA requires information on key soil properties affecting hydrological and biogeochemical processes within a study watershed. Whether single or multiple soil types are modeled within a watershed, you will need to establish a soil type map and specify parameter values for a set of soil properties associated with each soil type. |
Temperature (air) ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | |
Min Value
variable.detail.minEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Max Value
variable.detail.estHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Other Value Type
variable.detail.natureOtherEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Other Value
variable.detail.otherEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
DOC (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
DON (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Elevation ?Comment:A spatial data file (.asc) containing elevation values (in meters) for every cell in the simulation area. The term “Flat-Processed” indicates that the contents of the file have been pre-processed by the JPDEM flat-processing utility. The DEM file is the “master” film for a simulation run: all other spatially-explicit data is assumed to have the same row, column, cell size and x, y offset values as the DEM file. Used to develop slope and aspect values. |
Land cover ?Comment:Class variable. Model can include multiple land cover types within watersheds. |
Land cover age ?Comment:To enable scheduling of disturbance events during a simulation, VELMA needs to keeps track of changes in the age (years) of vegetation from one calendar year to another. |
NH4 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
NO3 (layers 1,2,3,4) ?Comment:Optional output of the VELMA Leaf Soil Root (LSR) submodel. |
Precipitation ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
Soil type ?Comment:VELMA requires information on key soil properties affecting hydrological and biogeochemical processes within a study watershed. Whether single or multiple soil types are modeled within a watershed, you will need to establish a soil type map and specify parameter values for a set of soil properties associated with each soil type. |
Temperature (air) ?Comment:The Default Weather Model provides uniform precipitation and air temperature values for all cells of a simulation’s delineated watershed for each day of a simulation run, and includes a simple snow model. |
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Variability Expression Given?
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variability Metric
variable.detail.variabilityMetricHelp
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None | None | None | None | None | None | None | None | None | None |
Variability Value
variable.detail.variabilityValueHelp
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None | None | None | None | None | None | None | None | None | None |
Variability Units
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None | None | None | None | None | None | None | None | None | None |
Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 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.)
variable.detail.validationApproachHelp
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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Validation Metric
variable.detail.validationMetricHelp
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Validation Value
variable.detail.validationValHelp
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Validation Units
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Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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