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Variables Details
: (EM-947)
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EM Identity and Description
| EM-947 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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Jarvis, B.M., Lehrter, J.C., Lowe, L.L., Hagy, J.D., Wan, Y., Murrell, M.C., Ko, D.S., Penta, B., and R.W. Gould |
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Document Year
variable.detail.emDocumentYearHelp
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2020 |
Variable General Info
| Field chlorophyll a (bottom) | Field dissolved inorganic nitrogen (bottom) | Field integrated primary production (bottom) | Field oxygen (bottom) | Field particulate organic matter (bottom) | |
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Variable ID
variable.detail.varIdHelp
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23583 | 23580 | 23582 | 23581 | 23579 |
| chla | DIN | IPP | DO | Not reported | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal | Cardinal | Cardinal | Cardinal | Cardinal |
| mg m^-3 | mmol m^-3 | mmol m^-3 | mmol m^-3 | mmol m^-3 |
Variable Typology
| Field chlorophyll a (bottom) | Field dissolved inorganic nitrogen (bottom) | Field integrated primary production (bottom) | Field oxygen (bottom) | Field particulate organic matter (bottom) | |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Response |
Response |
Response |
Response |
Response |
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Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Response Variable Type
variable.detail.resClassHelp
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Observed Variable |
Observed Variable |
Observed Variable |
Observed Variable |
Observed Variable |
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Data Source/Type
variable.detail.dataTypeHelp
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Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) |
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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 |
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 |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Biological characteristics, processes or requirements of living ecosystem components |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Biological characteristics, processes or requirements of living ecosystem components |
--Physical/chemical characteristics of nonliving ecosystem components |
--Biomass, litter or residue characteristics |
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----Biological characteristics, processes or requirements of flora and fungi |
----Nitrogen-related characteristics of ecosystem components |
----Biological characteristics, processes or requirements of flora and fungi |
----Physical/chemical characteristics of water |
----Mass or quantity of biomass, litter or residue |
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------Phytoplankton |
------Reactive nitrogen accumulation or attenuation by terrestrial or aquatic ecosystem components |
------Submerged and emergent aquatic vegetation |
------Water constituents, water quality (excluding water pollutants specified under Category 4) |
Variable Spatial Characteristics
| Field chlorophyll a (bottom) | Field dissolved inorganic nitrogen (bottom) | Field integrated primary production (bottom) | Field oxygen (bottom) | Field particulate organic matter (bottom) | |
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Spatial Extent Area
variable.detail.spExtentHelp
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100,000-1,000,000 km^2 | 100,000-1,000,000 km^2 | 100,000-1,000,000 km^2 | 100,000-1,000,000 km^2 | 100,000-1,000,000 km^2 |
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Spatially Distributed?
variable.detail.spDistributedHelp
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Yes | Yes | Yes | Yes | Yes |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Yes | Yes | Yes | Yes | Yes |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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Other (specify), for irregular (e.g., stream reach, lake basin) | Other (specify), for irregular (e.g., stream reach, lake basin) | Other (specify), for irregular (e.g., stream reach, lake basin) | Other (specify), for irregular (e.g., stream reach, lake basin) | Other (specify), for irregular (e.g., stream reach, lake basin) |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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regions of shelf | regions of shelf | regions of shelf | regions of shelf | regions of shelf |
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Spatial Density
variable.detail.spDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
| Field chlorophyll a (bottom) | Field dissolved inorganic nitrogen (bottom) | Field integrated primary production (bottom) | Field oxygen (bottom) | Field particulate organic matter (bottom) | |
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Temporal Extent
variable.detail.tempExtentHelp
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2006 | 2003-2007 | 2003-2007 | 2003-2007 | 2003-2007 |
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Temporally Distributed?
variable.detail.tempDistributedHelp
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Yes | Yes | Yes | Yes | Yes |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Yes | Yes | Yes | Yes | Yes |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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1 | 1 | 1 | 1 | 1 |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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month | month | month | month | month |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Values
| Field chlorophyll a (bottom) | Field dissolved inorganic nitrogen (bottom) | Field integrated primary production (bottom) | Field oxygen (bottom) | Field particulate organic matter (bottom) | |
| mg m^-3 | Not reported | mmol m^-3 | Not reported | Not reported | |
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Min Value
variable.detail.minEstHelp
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0 | Not reported | 5 | Not reported | Not reported |
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Max Value
variable.detail.estHelp
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29 | Not reported | 390 | Not reported | Not reported |
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Other Value Type
variable.detail.natureOtherEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Other Value
variable.detail.otherEstHelp
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Not reported | Not reported | Not reported | Not reported | Not reported |
Variable Variability and Sensitivity
| Field chlorophyll a (bottom) | Field dissolved inorganic nitrogen (bottom) | Field integrated primary production (bottom) | Field oxygen (bottom) | Field particulate organic matter (bottom) | |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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No | No | No | No | No |
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Variability Metric
variable.detail.variabilityMetricHelp
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None | None | None | None | None |
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Variability Value
variable.detail.variabilityValueHelp
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None | None | None | None | None |
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Variability Units
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None | None | None | None | None |
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Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Operational Validation (Response Variables only)
| Field chlorophyll a (bottom) | Field dissolved inorganic nitrogen (bottom) | Field integrated primary production (bottom) | Field oxygen (bottom) | Field particulate organic matter (bottom) | ||||||
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Variable ID
variable.detail.varIdHelp
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23583 | 23580 | 23582 | 23581 | 23579 | |||||
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Validated?
variable.detail.resValidatedHelp
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Yes | Yes | Yes | Yes | Yes | |||||
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Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
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None |
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None |
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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None |
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None |
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Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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None |
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None |
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Validation Metric
variable.detail.validationMetricHelp
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None |
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None |
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Validation Value
variable.detail.validationValHelp
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None |
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None |
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Validation Units
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None |
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None |
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Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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