Spatial decision support system for integrated river basin flood control

Spatial decision support system for integrated river basin flood control

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Article ID: iaor2004588
Country: United States
Volume: 128
Issue: 3
Start Page Number: 190
End Page Number: 201
Publication Date: May 2002
Journal: Journal of Water Resources Planning and Management
Authors: , ,
Keywords: geography & environment, artificial intelligence: decision support
Abstract:

A prototype spatial decision support system (SDSS) is represented for integrated, real-time river basin flood control in a multipurpose, multireservoir system. The SDSS integrates a geographic information system with a database management subsystem, a real–time meteorological and hydrological data monitoring system, a model-base subsystem for system simulation and optimization, and a graphical dialog interface allowing effective use by system operators. The model-base sub-system employs an artificial neural network in a real-time flood forecasting module providing spatially distributed forecasted flows that are updated as the flood event progresses. Forecasted, basinwide discharges are input into a dynamic programming module providing optimal gate-control strategies, which are also updated in real-time. The SDSS for flood control is applied to the Han River Basin in Korea and demonstated through simulated application to a severe 1995 flood event. Results of the case study indicate that integrated operational strategies generated by the SDSS for flood control substantially reduce downstream flood impacts, while maintaining sufficient conservation storage for water use subsequent to the flood season.

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