An Operational GIS to Support State-Wide Hydrologic and Nonpoint Pollution Modelingby R. M. Ragan, Univ of Maryland, College Park, United States,
A. J. Kosicki, Univ of Maryland, College Park, United States,
Abstract: A geographic information system(GIS) that is structured for hydrologic and nonpoint pollution modeling(GISHYDRO) became operational in the Maryland State Highway Administration's Division of Bridge Design in the summer of 1991. The objective of GISHYDRO is to improve the quality and efficiency of hydrologic modeling by providing the engineer with a desktop workstation built around an IBM compatible PC that allows him or her to define the input parameters and operate an array of models including the SCS-TR-20 & 55, HEC-1, USGS regression equations and local nonpoint models.
Subject Headings: Hydrologic models | Nonpoint pollution | Geographic information systems | Computer models | Information systems | Simulation models | Highway and road design | Highway bridges | North America | Maryland | United States
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