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Geographic information systems allow for the interactive analysis of spatial data related to water-resources investigations. A conceptual design for an interface between a geographic information system and a watershed model includes functions for the estimation of model parameter values. Design criteria include ease of use, minimal equipment requirements, a generic data-base management system, and use of a macro language. An application is demonstrated for a 90.1-square-kilometer subbasin of the Patuxent River near Unity, Maryland, that performs automated derivation of watershed parameters for hydrologic modeling.
Additional Publication Details
Geographic information system/watershed model interface
Publ by ASCE
New York, NY, United States
Number of Pages:
Proceedings of the 1989 National Conference on Hydraulic Engineering