An improved tool for water quality modeling.U.S. EPA EPA eicosapentaenoic acid. EPA abbr. eicosapentaenoic acid EPA, n.pr See acid, eicosapentaenoic. EPA, n. has released a new version of its acclaimed watershed management program, making the program easier to use and more readily available. Better Assessment Science Integrating Point and Non-point Sources (BASINS) is a multipurpose mul·ti·pur·pose adj. Designed or used for several purposes: a multipurpose room; multipurpose software. multipurpose Adjective system that integrates environmental data, analytical tools, and modeling programs. BASINS can help regions, states, and local agencies develop cost-effective approaches to watershed management and environmental protection. Unlike earlier releases, BASINS 4.0 runs on nonproprietary, open-source, free geographic information system geographic information system (GIS) Computerized system that relates and displays data collected from a geographic entity in the form of a map. The ability of GIS to overlay existing data with new information and display it in colour on a computer screen is used primarily to (GIS) software, making the tool universally available to anyone interested in the system. Prior versions required users to purchase costly GIS software to run the BASINS system. Once installed on a personal computer, BASINS 4.0 is a valuable tool for watershed and water quality-based analyses, including development of total-maximum-daily-load (TMDL TMDL - Target-Machine Description Language ) allocations. It gives users access to large amounts of data on point and nonpoint non·point adj. Not found or located at a single, definable point, as pollution whose source cannot be ascertained. sources, which can used to assess or predict flow and water quality for selected streams or entire watersheds. For more information about BASINS 4.0, visit www.epa.gov/waterscience/basins. |
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