Use of Remote Sensing and G.I.S. in the Economic Analysis of Flood Damage Reduction—Three Recent Case Histories

by Peter H. Shaw, U.S. Army Corps of Engineers, United States,



Document Type: Proceeding Paper

Part of: Optimizing the Resources for Water Management

Abstract:

Three recent studies of the Trinity River in the nine-city Dallas-Fort Worth metroplex have been based on a regional geographic information system (G.I.S.), using digitized satellite imagery and other sources to characterize land use to a very high degree of accuracy. This system has been used to model potential flood damages for a highly-developed floodplain of over 70,000 acres (175,000 hectares), almost entirely without the traditional labor-intensive field surveys and manual encoding of economic data.



Subject Headings: Case studies | Geographic information systems | Floods | Mapping | Damage (structural) | Information systems | Rivers and streams | Model accuracy

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