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Variables Details
: (EM-883)
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EM Identity and Description
| EM-883 | |
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Document Author
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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 |
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Document Year
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2014 |
Variable General Info
Aboveground stem mortality (annual fraction) ?Comment:Variable whose value is constant with respect to the driving class variable; Land cover. The fraction of the AgStem biomass Pool annual mortality amount actually subtracted from that pool per day of senescence. The default value for this fraction is 1.0 (i.e. the full per-day amount) and the valid range is [0.0 to 1.0]. Warning! Users unfamiliar with this parameter's behavior should leave it set to the default value of 1.0. |
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Variable ID
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21215 |
| Not reported | |
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Qualitative-Quantitative
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Quantitative (Cardinal Only) |
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Cardinal-Ordinal
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Cardinal |
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Variable Typology
Aboveground stem mortality (annual fraction) ?Comment:Variable whose value is constant with respect to the driving class variable; Land cover. The fraction of the AgStem biomass Pool annual mortality amount actually subtracted from that pool per day of senescence. The default value for this fraction is 1.0 (i.e. the full per-day amount) and the valid range is [0.0 to 1.0]. Warning! Users unfamiliar with this parameter's behavior should leave it set to the default value of 1.0. |
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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
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5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Biomass, litter or residue characteristics |
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----Mass or quantity of biomass, litter or residue |
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Variable Spatial Characteristics
Aboveground stem mortality (annual fraction) ?Comment:Variable whose value is constant with respect to the driving class variable; Land cover. The fraction of the AgStem biomass Pool annual mortality amount actually subtracted from that pool per day of senescence. The default value for this fraction is 1.0 (i.e. the full per-day amount) and the valid range is [0.0 to 1.0]. Warning! Users unfamiliar with this parameter's behavior should leave it set to the default value of 1.0. |
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Spatial Extent Area
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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
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Variable Temporal Characteristics
Aboveground stem mortality (annual fraction) ?Comment:Variable whose value is constant with respect to the driving class variable; Land cover. The fraction of the AgStem biomass Pool annual mortality amount actually subtracted from that pool per day of senescence. The default value for this fraction is 1.0 (i.e. the full per-day amount) and the valid range is [0.0 to 1.0]. Warning! Users unfamiliar with this parameter's behavior should leave it set to the default value of 1.0. |
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Temporal Extent
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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?
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Not recorded for Constant or Parameter Variables |
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Temporal Grain Size Value
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Not recorded for Constant or Parameter Variables |
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Temporal Grain Size Units
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Not recorded for Constant or Parameter Variables |
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Temporal Density
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Not recorded for Constant or Parameter Variables |
Variable Values
Aboveground stem mortality (annual fraction) ?Comment:Variable whose value is constant with respect to the driving class variable; Land cover. The fraction of the AgStem biomass Pool annual mortality amount actually subtracted from that pool per day of senescence. The default value for this fraction is 1.0 (i.e. the full per-day amount) and the valid range is [0.0 to 1.0]. Warning! Users unfamiliar with this parameter's behavior should leave it set to the default value of 1.0. |
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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
Aboveground stem mortality (annual fraction) ?Comment:Variable whose value is constant with respect to the driving class variable; Land cover. The fraction of the AgStem biomass Pool annual mortality amount actually subtracted from that pool per day of senescence. The default value for this fraction is 1.0 (i.e. the full per-day amount) and the valid range is [0.0 to 1.0]. Warning! Users unfamiliar with this parameter's behavior should leave it set to the default value of 1.0. |
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Variability Expression Given?
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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?
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Not recorded for Constant or Parameter Variables |
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Variability Expression Used in Modeling?
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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)
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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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