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EM: Environmental Protection Agency National stormwater calculator tool (EM-937)
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EM Identity and Description
EM Identification
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EM ID
em.detail.idHelp
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EM-937 |
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EM Short Name
em.detail.shortNameHelp
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EPA national stormwater calculator tool |
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EM Full Name
em.detail.fullNameHelp
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Environmental Protection Agency National stormwater calculator tool |
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EM Source or Collection
em.detail.emSourceOrCollectionHelp
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US EPA |
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EM Source Document ID
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428 ?Comment:This is a tool available on the web for downloading to personal computers. A manual is also available for further documentation of the tool. |
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Document Author
em.detail.documentAuthorHelp
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Rossman, L.A., Bernagros, J.T., Barr, C.M., and M.A. Simon |
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Document Year
em.detail.documentYearHelp
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2022 |
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Document Title
em.detail.sourceIdHelp
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EPA National Stormwater Calculator Web App users guide-Version 3.4.0. |
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Document Status
em.detail.statusCategoryHelp
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Peer reviewed and published |
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Comments on Status
em.detail.commentsOnStatusHelp
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Published EPA report |
Software and Access
| https://www.epa.gov/water-research/national-stormwatercalculator | |
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Contact Name
em.detail.contactNameHelp
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Lewis Rossman |
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Contact Address
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Center for environmental solutions and emergency response, Cincinnati, Ohio |
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Contact Email
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n.a. |
EM Description
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Summary Description
em.detail.summaryDescriptionHelp
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"Abstract: EPA’s National Stormwater Calculator (SWC) is a software application tool that estimates the annual amount of rainwater and frequency of runoff from a specific site using green infrastructure as low impact development controls. The SWC is designed for use by anyone interested in reducing runoff from a property, including site developers, landscape architects, urban planners, and homeowners. This User’s guide contains information on the SWC web application. SWC Version 3.4 contains has updated historical meteorological data (from 1970 - 2006 to 1990 - 2019), updated Bureau of Labor Statistics Cost Data (from 2018 to 2020), and the 5.1.015 Stormwater Management Model (SWMM) engine (from 5.1.007). Evaporation was calculated by the Hargreaves method (EPA, 2015), based on historical or future daily temperature data." |
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Specific Policy or Decision Context Cited
em.detail.policyDecisionContextHelp
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None given |
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Biophysical Context
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Sites up to 12 acres |
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EM Scenario Drivers
em.detail.scenarioDriverHelp
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Climate change scenarios |
EM Relationship to Other EMs or Applications
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Method Only, Application of Method or Model Run
em.detail.methodOrAppHelp
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Method Only |
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New or Pre-existing EM?
em.detail.newOrExistHelp
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New or revised model |
Related EMs (for example, other versions or derivations of this EM) described in ESML
em.detail.relatedEmHelp
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Document ID for related EM
em.detail.relatedEmDocumentIdHelp
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None |
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EM ID for related EM
em.detail.relatedEmEmIdHelp
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None |
EM Modeling Approach
EM Relationship to Time
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EM Temporal Extent
em.detail.tempExtentHelp
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Not applicable |
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EM Time Dependence
em.detail.timeDependencyHelp
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time-stationary |
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EM Time Reference (Future/Past)
em.detail.futurePastHelp
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Not applicable |
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EM Time Continuity
em.detail.continueDiscreteHelp
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Not applicable |
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EM Temporal Grain Size Value
em.detail.tempGrainSizeHelp
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Not applicable |
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EM Temporal Grain Size Unit
em.detail.tempGrainSizeUnitHelp
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Not applicable |
EM Spatial Extent
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Bounding Type
em.detail.boundingTypeHelp
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Not applicable |
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Spatial Extent Name
em.detail.extentNameHelp
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Not applicable |
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Spatial Extent Area (Magnitude)
em.detail.extentAreaHelp
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Not applicable |
Spatial Distribution of Computations
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EM Spatial Distribution
em.detail.distributeLumpHelp
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spatially lumped (in all cases) |
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Spatial Grain Type
em.detail.spGrainTypeHelp
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Not applicable |
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Spatial Grain Size
em.detail.spGrainSizeHelp
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Not applicable |
EM Structure and Computation Approach
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EM Computational Approach
em.detail.emComputationalApproachHelp
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Analytic |
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EM Determinism
em.detail.deterStochHelp
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deterministic |
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Statistical Estimation of EM
em.detail.statisticalEstimationHelp
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Model Checking Procedures Used
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Model Calibration Reported?
em.detail.calibrationHelp
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Not applicable |
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Model Goodness of Fit Reported?
em.detail.goodnessFitHelp
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Not applicable |
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Goodness of Fit (metric| value | unit)
em.detail.goodnessFitValuesHelp
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None |
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Model Operational Validation Reported?
em.detail.validationHelp
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Not applicable |
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Model Uncertainty Analysis Reported?
em.detail.uncertaintyAnalysisHelp
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Not applicable |
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Model Sensitivity Analysis Reported?
em.detail.sensAnalysisHelp
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Not applicable |
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Model Sensitivity Analysis Include Interactions?
em.detail.interactionConsiderHelp
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Not applicable |
EM Locations, Environments, Ecology
Location of EM Application
Terrestrial location (Classification hierarchy: Continent > Country > U.S. State [United States only])
em.detail.relationToSpaceTerrestrialHelp
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Marine location (Classification hierarchy: Realm > Region > Province > Ecoregion)
em.detail.relationToSpaceMarineHelp
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| None |
Centroid Lat/Long (Decimal Degree)
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Centroid Latitude
em.detail.ddLatHelp
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Not applicable |
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Centroid Longitude
em.detail.ddLongHelp
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Not applicable |
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Centroid Datum
em.detail.datumHelp
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Not applicable |
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Centroid Coordinates Status
em.detail.coordinateStatusHelp
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Not applicable |
Environments and Scales Modeled
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EM Environmental Sub-Class
em.detail.emEnvironmentalSubclassHelp
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Terrestrial Environment (sub-classes not fully specified) |
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Specific Environment Type
em.detail.specificEnvTypeHelp
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Terrrestrial landcover |
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EM Ecological Scale
em.detail.ecoScaleHelp
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Ecological scale is finer than that of the Environmental Sub-class |
Scale and taxa of organisms modeled
Scale of differentiation of organisms modeled
em.detail.nameOfOrgsOrGroupsHelp
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EM Organismal Scale
em.detail.orgScaleHelp
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Not applicable |
Taxonomic level and name of organisms or groups identified
taxonomyHelp
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| None Available |
EnviroAtlas URL
em.detail.enviroAtlasURLHelp
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| Average Annual Precipitation, Water supply from NID reservoirs (million gallons), Enabling Conditions |
EM Ecosystem Goods and Services (EGS) potentially modeled, by classification system
CICES v 4.3 - Common International Classification of Ecosystem Services (Section > Division > Group > Class)
em.detail.cicesHelp
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| None |
(Environmental Subclass > Ecological End-Product (EEP) > EEP Subclass > EEP Modifier)
fegs2Help
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EM Variable Names (and Units)
Predictor
em.detail.variablesPredictorHelp
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Intermediate
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Intermediate (Computed) Variables (and Units)
em.detail.intermediateVariableHelp
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None |
Response
em.detail.variablesResponseHelp
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Observed Response Variables (and Units)
em.detail.observedResponseHelp
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None |
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Computed Response Variables (and Units)
view details (9 variables)
em.detail.computedResponseHelp
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