Hydrologic Modeling Using Radar-Rainfall Imageryby Lynn E. Johnson, Univ of Colorado at Denver, Denver, CO, USA,
Abstract: A flash flood forecasting system is being developed which has three main elements: 1) high resolution estimation of rainfall in time and space using radar and ground-based gages; 2) computer models of hydrologic response; and 3) interactive computer graphic (ICG) system for data management, analysis and display. Linkage of radar-rainfall digital imagery with an ICG watershed data management package has been accomplished on a desktop workstation. This paper presents an overview of the flash flood forecasting system and results of efforts for linkage of spatial data sets defining rainfall distribution and watershed area.
Subject Headings: Spatial data | Radar | Hydrologic models | Floods | Rainfall | Data processing | Hydrologic data | Forecasting
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