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Variables Details
: (EM-936)
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EM Identity and Description
| EM-936 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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i-Tree |
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Document Year
variable.detail.emDocumentYearHelp
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Variable General Info
Tree height (maximum) ?Comment:Information about the plant dimensions, were derived from the Horticopia database (www.horticopia.com). Median species height and crown width (midpoint between maximum and minimum estimates) at maturity were derived from the Horticopia database. Crown height of each tree species was estimated as 0.78 of median tree height based on field measurements of urban trees. |
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Variable ID
variable.detail.varIdHelp
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23058 |
| 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
Tree height (maximum) ?Comment:Information about the plant dimensions, were derived from the Horticopia database (www.horticopia.com). Median species height and crown width (midpoint between maximum and minimum estimates) at maturity were derived from the Horticopia database. Crown height of each tree species was estimated as 0.78 of median tree height based on field measurements of urban trees. |
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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
variable.detail.dataTypeHelp
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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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--Biological characteristics, processes or requirements of living ecosystem components |
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----Biological characteristics, processes or requirements of flora and fungi |
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------Trees or shrubs |
Variable Spatial Characteristics
Tree height (maximum) ?Comment:Information about the plant dimensions, were derived from the Horticopia database (www.horticopia.com). Median species height and crown width (midpoint between maximum and minimum estimates) at maturity were derived from the Horticopia database. Crown height of each tree species was estimated as 0.78 of median tree height based on field measurements of urban trees. |
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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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GAP Ecological Systems |
Variable Temporal Characteristics
Tree height (maximum) ?Comment:Information about the plant dimensions, were derived from the Horticopia database (www.horticopia.com). Median species height and crown width (midpoint between maximum and minimum estimates) at maturity were derived from the Horticopia database. Crown height of each tree species was estimated as 0.78 of median tree height based on field measurements of urban trees. |
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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
Tree height (maximum) ?Comment:Information about the plant dimensions, were derived from the Horticopia database (www.horticopia.com). Median species height and crown width (midpoint between maximum and minimum estimates) at maturity were derived from the Horticopia database. Crown height of each tree species was estimated as 0.78 of median tree height based on field measurements of urban trees. |
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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
Tree height (maximum) ?Comment:Information about the plant dimensions, were derived from the Horticopia database (www.horticopia.com). Median species height and crown width (midpoint between maximum and minimum estimates) at maturity were derived from the Horticopia database. Crown height of each tree species was estimated as 0.78 of median tree height based on field measurements of urban trees. |
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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.)
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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