An Operational GIS to Support State-Wide Hydrologic and Nonpoint Pollution Modeling

by R. M. Ragan, Univ of Maryland, College Park, United States,
A. J. Kosicki, Univ of Maryland, College Park, United States,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


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 | Structural models | Information systems | Highway and road design | Highway bridges | Bridge design | Maryland | United States

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