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

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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: Geographic information systems | Floods | Information systems | Damage (structural) | Economic factors | Aerial photography | Data processing | Case studies |

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