Hummel, Paul R.

Kittle, Jr., John L

English

Engineering Conferences International

Engineering Conferences InternationalECI Digital ArchivesFifty Years Of Watershed Modeling - Past, PresentAnd Future Proceedings2012National Data – Linking Models and Data inRegional ApplicationsPaul R. HummelAQUA TERRA Consultants, USAJohn L. Kittle, Jr.AQUA TERRA Consultants, USAFollow this and additional works at: http://dc.engconfintl.org/watershedPart of the Civil and Environmental Engineering CommonsThis Article is brought to you for free and open access by the Proceedings at ECI Digital Archives. It has been accepted for inclusion in Fifty Years OfWatershed Modeling - Past, Present And Future by an authorized administrator of ECI Digital Archives. For more information, please contactfranco@bepress.com.Recommended CitationPaul R. Hummel and John L. Kittle, Jr., "National Data – Linking Models and Data in Regional Applications" in "Fifty Years OfWatershed Modeling - Past, Present And Future", A.S. Donigian, AQUA TERRA Consultants; Richard Field, US EPA (retired);Michael Baker Jr., Inc. Eds, ECI Symposium Series, (2013). http://dc.engconfintl.org/watershed/22Paul R. Hummel and John L Kittle, Jr.National Data – Linking Models and Data in Regional ApplicationsAQUA TERRA ConsultantsDecatur, GA 50 Years of Watershed Modeling:Past, Present and FutureBoulder,COSeptember 24-26, 2012Regional Application Characteristics• Multiple Stakeholders• Variety of Analytical Needs• Local copy of project data2Goal: develop tools that are dynamic and flexible to meet the challenges inherent in these characteristicsOpen Source Software Infrastructure• Facilitates Collaboration• No need to purchase expensive proprietary software• Source code for all components available to 3end users• Provides greater stability and transparency • Open framework readily allows for inclusion of additional data/models/toolsSoftware Infrastructure Keys• Component based• Clearly defined components with API4• Allows flexibility to model builders• Easily re-used and extendedWatershed Modeling Data Management Issues• Accessing breadth/scale of needed data• Processing, analyzing, and archiving the 5volume of data produced by models• Connecting modelsWatershed Modeling Data Access Components• Downloading of archived sources• Storage in generic formats• Spatial/Temporal visualization and 6analysis• Disaggregation/Aggregation• Downscaling/Upscaling• Model wrappersAccessing Archived Data Sources• Data sources discovered at run time• Changes to a source’s web hosting requires update to only that source’s component, 7not entire system• Access to most current data available• Utilities to convert data to generic form usable by models• USGS National Water Information System (NWIS)• USDA Geospatial Data Gateway and Soils Data MartArchived Data Source Examples8• EPA STORET and BASINS• NASA Global/North American Land Data Assimilation System (GLDAS/NLDAS)Examples of Downloaded DataNHDPlus9Examples of Downloaded DataElevation10Examples of Downloaded DataCensus Tiger11Examples of Downloaded DataMet Stations12Examples of Downloaded DataSoils Data13Data Visualization - Spatial• MapWindow Open source GIS• International user community• Extensible through plug-in architecture14Data Visualization - TemporalGeneric timeseries class• Common format for all timeseries data • Communication between models15• Robust suite of analysis toolsData Visualization/AnalysisListing and Plotting16Duration/Frequency AnalysisUSGS Surface Water Statistics17Data Transformations – SpatialDownscaling/Upscaling18Data Transformations - TemporalAdjustments to precipitation with CAT19Model Wrappers• Plug-in allows the user to select and transfer data to the model Models are “loosely coupled” No change to model code20• Use native input/output formats• Establish relationships with model developers• Core models continue to be maintained by the corresponding model’s development team• Increasing demand for connecting models to meet complex issues• Common data format and framework enable connectivityModel Linkage21• Well-defined components readily extensible to meet connection needs• Allows for review and further model refinement• Provides reproducible “track record”Project Archiving22• Enables full model transfer among usersFuture Directions• USGS GWToolbox• HIMALA-BASINS for International Centre for  Integrated Mountain Development23• Expansion of Data for Environmental Modeling (D4EM)• Re-engineer HSPF• Regional watershed modeling often requires a broad array of dynamic and flexible tools• Open source approach enables collaboration within the watershed modeling communitySummary24• Well-defined components are essential to collaborative efforts• Questions?

National Data – Linking Models and Data in Regional Applications

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National Data – Linking Models and Data in Regional Applications

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