Results of a GIS/HEC-1 Interface Module

by Paul A. DeBarry,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


Great strives have been made in recent years to automate the S.C.S. curve number weighting process required for large-scale watershed modeling utilizing Geographic Information System (GIS) technology. Managing large volumes of cartographic data such as land use and soil types has been made very flexible and efficient by the GIS. The next step, full automation of the CN weighting, time-of-concentration computations, and nonpoint source pollution assessment procedure to produce a user-friendly, menu driven, interactive package has been developed. The results are a fully automated digital watershed to hydrologic computer model (HEC-l) process which will save engineers valuable time and will efficiently aid in watershed stormwater management and regional basin siting.

Subject Headings: Geographic information systems | Computer models | Watersheds | Information systems | Hydrologic models | Stormwater management | Automation and robotics | Nonpoint pollution | South Carolina | United States

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