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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
Autoirrigation efficiency ?Comment:This variable pertains to one of the optional conservation practices available to apply in NTT. This variable is constant with respect to Crop type for the specific scenario. Autoirrigation refers to Automatic irrigation systems are irrigation systems that are controlled by a computerized controller. Autoirrigation overall can greatly increase crop yield. Within NTT, the autoirrigation feature will irrigate the field when certain user-supplied criteria for water stress and frequency are met, and will limit water application to the user supplied maximum application amount. This value is the fraction of irrigation application that is not lost to runoff. This must be a value that is greater than 0 and less than or equal to 1. The closer the value is to 0, the greater the percentage of water lost to runoff and does not reach the crop. A value of 1 means that no water was lost to runoff. Different irrigation systems have different irrigation efficiencies. NTT supplies typical irrigation efficiency values for the irrigation type selected, but these values can be modified by the user. |
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Variable ID
variable.detail.varIdHelp
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13471 |
| 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 Typology
Autoirrigation efficiency ?Comment:This variable pertains to one of the optional conservation practices available to apply in NTT. This variable is constant with respect to Crop type for the specific scenario. Autoirrigation refers to Automatic irrigation systems are irrigation systems that are controlled by a computerized controller. Autoirrigation overall can greatly increase crop yield. Within NTT, the autoirrigation feature will irrigate the field when certain user-supplied criteria for water stress and frequency are met, and will limit water application to the user supplied maximum application amount. This value is the fraction of irrigation application that is not lost to runoff. This must be a value that is greater than 0 and less than or equal to 1. The closer the value is to 0, the greater the percentage of water lost to runoff and does not reach the crop. A value of 1 means that no water was lost to runoff. Different irrigation systems have different irrigation efficiencies. NTT supplies typical irrigation efficiency values for the irrigation type selected, but these values can be modified by the user. |
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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
variable.detail.vchLevel1Help
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5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--CICES categories: Ecosystem goods and services - or landscape-level indices of suitability to supply EGS |
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----Suitability to supply provisioning services-Materials |
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------Ground water for non-drinking purposes |
Variable Spatial Characteristics
Autoirrigation efficiency ?Comment:This variable pertains to one of the optional conservation practices available to apply in NTT. This variable is constant with respect to Crop type for the specific scenario. Autoirrigation refers to Automatic irrigation systems are irrigation systems that are controlled by a computerized controller. Autoirrigation overall can greatly increase crop yield. Within NTT, the autoirrigation feature will irrigate the field when certain user-supplied criteria for water stress and frequency are met, and will limit water application to the user supplied maximum application amount. This value is the fraction of irrigation application that is not lost to runoff. This must be a value that is greater than 0 and less than or equal to 1. The closer the value is to 0, the greater the percentage of water lost to runoff and does not reach the crop. A value of 1 means that no water was lost to runoff. Different irrigation systems have different irrigation efficiencies. NTT supplies typical irrigation efficiency values for the irrigation type selected, but these values can be modified by the user. |
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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?
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Not recorded for Constant or Parameter Variables |
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Observations Spatially Patterned?
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Not recorded for Constant or Parameter Variables |
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Spatial Grain Type
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Not recorded for Constant or Paarameter Variables |
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Spatial Grain Size
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Not recorded for Constant or Parameter Variables |
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Spatial Density
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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
Autoirrigation efficiency ?Comment:This variable pertains to one of the optional conservation practices available to apply in NTT. This variable is constant with respect to Crop type for the specific scenario. Autoirrigation refers to Automatic irrigation systems are irrigation systems that are controlled by a computerized controller. Autoirrigation overall can greatly increase crop yield. Within NTT, the autoirrigation feature will irrigate the field when certain user-supplied criteria for water stress and frequency are met, and will limit water application to the user supplied maximum application amount. This value is the fraction of irrigation application that is not lost to runoff. This must be a value that is greater than 0 and less than or equal to 1. The closer the value is to 0, the greater the percentage of water lost to runoff and does not reach the crop. A value of 1 means that no water was lost to runoff. Different irrigation systems have different irrigation efficiencies. NTT supplies typical irrigation efficiency values for the irrigation type selected, but these values can be modified by the user. |
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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?
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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
Autoirrigation efficiency ?Comment:This variable pertains to one of the optional conservation practices available to apply in NTT. This variable is constant with respect to Crop type for the specific scenario. Autoirrigation refers to Automatic irrigation systems are irrigation systems that are controlled by a computerized controller. Autoirrigation overall can greatly increase crop yield. Within NTT, the autoirrigation feature will irrigate the field when certain user-supplied criteria for water stress and frequency are met, and will limit water application to the user supplied maximum application amount. This value is the fraction of irrigation application that is not lost to runoff. This must be a value that is greater than 0 and less than or equal to 1. The closer the value is to 0, the greater the percentage of water lost to runoff and does not reach the crop. A value of 1 means that no water was lost to runoff. Different irrigation systems have different irrigation efficiencies. NTT supplies typical irrigation efficiency values for the irrigation type selected, but these values can be modified by the user. |
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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
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Not applicable |
Variable Variability and Sensitivity
Autoirrigation efficiency ?Comment:This variable pertains to one of the optional conservation practices available to apply in NTT. This variable is constant with respect to Crop type for the specific scenario. Autoirrigation refers to Automatic irrigation systems are irrigation systems that are controlled by a computerized controller. Autoirrigation overall can greatly increase crop yield. Within NTT, the autoirrigation feature will irrigate the field when certain user-supplied criteria for water stress and frequency are met, and will limit water application to the user supplied maximum application amount. This value is the fraction of irrigation application that is not lost to runoff. This must be a value that is greater than 0 and less than or equal to 1. The closer the value is to 0, the greater the percentage of water lost to runoff and does not reach the crop. A value of 1 means that no water was lost to runoff. Different irrigation systems have different irrigation efficiencies. NTT supplies typical irrigation efficiency values for the irrigation type selected, but these values can be modified by the user. |
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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
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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?
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
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Validated?
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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)
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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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