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Variables Details
: (EM-549)
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EM Identity and Description
| EM-549 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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Saleh, A. and O. Gallego |
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Document Year
variable.detail.emDocumentYearHelp
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2018 |
Variable General Info
Tile drain depth ?Comment:This variable pertains to one of the optional conservation practices available in NTT. This variable is constant with respect to the Crop type for the specific application. For NTT applications, underground drainage systems are simulated in APEX. The depth of the drainage system to reduce plant stress is a key parameter used in simulating tile drainage systems in NTT. Tile drainage simulation in NTT increases subsurface flow, which may provide an avenue for increased nutrient losses in subsurface flow. The only input for tile drains is depth. This is the depth in feet at which the drainage system is installed. It is any number greater than 0. |
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Variable ID
variable.detail.varIdHelp
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13476 |
| 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 |
| ft |
Variable Typology
Tile drain depth ?Comment:This variable pertains to one of the optional conservation practices available in NTT. This variable is constant with respect to the Crop type for the specific application. For NTT applications, underground drainage systems are simulated in APEX. The depth of the drainage system to reduce plant stress is a key parameter used in simulating tile drainage systems in NTT. Tile drainage simulation in NTT increases subsurface flow, which may provide an avenue for increased nutrient losses in subsurface flow. The only input for tile drains is depth. This is the depth in feet at which the drainage system is installed. It is any number greater than 0. |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Predictor |
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Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
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Constant or Parameter |
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Response Variable Type
variable.detail.resClassHelp
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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
variable.detail.vchLevel1Help
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4. Human-Produced Stressor or Enhancer of Ecosystem Goods and Services Production |
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--Human structures (e.g., dams, buildings, armoring, etc.), activities (presence, noise) potentially related to ecological or aesthetic disturbance |
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----Presence of man-made structures (e.g., dams, buildings, armoring, etc.) potentially related to ecological or aesthetic disturbance |
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Variable Spatial Characteristics
Tile drain depth ?Comment:This variable pertains to one of the optional conservation practices available in NTT. This variable is constant with respect to the Crop type for the specific application. For NTT applications, underground drainage systems are simulated in APEX. The depth of the drainage system to reduce plant stress is a key parameter used in simulating tile drainage systems in NTT. Tile drainage simulation in NTT increases subsurface flow, which may provide an avenue for increased nutrient losses in subsurface flow. The only input for tile drains is depth. This is the depth in feet at which the drainage system is installed. It is any number greater than 0. |
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Spatial Extent Area
variable.detail.spExtentHelp
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Not recorded for Constant or Parameter Variables |
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Spatially Distributed?
variable.detail.spDistributedHelp
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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
Tile drain depth ?Comment:This variable pertains to one of the optional conservation practices available in NTT. This variable is constant with respect to the Crop type for the specific application. For NTT applications, underground drainage systems are simulated in APEX. The depth of the drainage system to reduce plant stress is a key parameter used in simulating tile drainage systems in NTT. Tile drainage simulation in NTT increases subsurface flow, which may provide an avenue for increased nutrient losses in subsurface flow. The only input for tile drains is depth. This is the depth in feet at which the drainage system is installed. It is any number greater than 0. |
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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
Tile drain depth ?Comment:This variable pertains to one of the optional conservation practices available in NTT. This variable is constant with respect to the Crop type for the specific application. For NTT applications, underground drainage systems are simulated in APEX. The depth of the drainage system to reduce plant stress is a key parameter used in simulating tile drainage systems in NTT. Tile drainage simulation in NTT increases subsurface flow, which may provide an avenue for increased nutrient losses in subsurface flow. The only input for tile drains is depth. This is the depth in feet at which the drainage system is installed. It is any number greater than 0. |
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| Not applicable | |
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Min Value
variable.detail.minEstHelp
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Not applicable |
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Max Value
variable.detail.estHelp
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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
Tile drain depth ?Comment:This variable pertains to one of the optional conservation practices available in NTT. This variable is constant with respect to the Crop type for the specific application. For NTT applications, underground drainage systems are simulated in APEX. The depth of the drainage system to reduce plant stress is a key parameter used in simulating tile drainage systems in NTT. Tile drainage simulation in NTT increases subsurface flow, which may provide an avenue for increased nutrient losses in subsurface flow. The only input for tile drains is depth. This is the depth in feet at which the drainage system is installed. It is any number greater than 0. |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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Not recorded for Constant or Parameter Variables |
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Variability Metric
variable.detail.variabilityMetricHelp
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None |
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Variability Value
variable.detail.variabilityValueHelp
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None |
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Variability Units
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None |
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Resampling Used?
variable.detail.bootstrappingHelp
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Not recorded for Constant or Parameter Variables |
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Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not recorded for Constant or Parameter Variables |
Variable Operational Validation (Response Variables only)
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Variable ID
variable.detail.varIdHelp
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Validated?
variable.detail.resValidatedHelp
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Validation Approach (within, between, etc.)
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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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