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Decision Support for Flood Risk Management at the Yangtze River by GIS/RS-Based Flood Damage Estimation

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Floods in the Yangtze river catchment caused historical highest losses in the 1990s. Nevertheless, required data and facts for an integrated planning of sustainable flood control measures are not existent. Flood diversion areas (FDAs) along the Yangtze river have always been important flood control measures. Today there is a lack of knowledge about potential flood damages in these FDAs due to major settlement and agricultural areas that have developed in the last decades. The use of the major FDAs along the main channel of the Yangtze river is heavily discussed due to the different land use today. But their operability is important to counteract rising flood risks.
Therefore, a new approach for flood damage estimation at the Yangtze river is introduced in the book. This approach with its modules is based on Geographical Information Systems (GIS) and Remote Sensing (RS) techniques. GIS and RS are the tools and platforms of the essential applications for the first flood damage estimation in FDAs at the Yangtze river. With this flood damage information, decision support for flood risk management at the Yangtze river is provided. Honghu FDA is chosen as a test area for the assessment of climatic and anthropogenic induced flood risks and for flood damage estimation. It is the biggest of the designated FDAs at the Yangtze river and located between the mouth of Dongting lake and Wuhan city at the northern bank of the Yangtze river in Hubei province.
The structure of the book is based on the different analyses and modules. A comprehensive analysis of flood risks, their aggravation by climatic change and human impacts as well as actual strategies for countermeasures are discussed in the analytical part of the book. The natural and economical region of Honghu floodplain, Honghu County, and Honghu FDA is then introduced. With an exposition analysis, areas that are exposed to floods are detected by a satellite image based land use classification. As part of the risk identification module, waterstages of a flooding scenario for East Honghu FDA are estimated and potential damages caused by this flooding scenario are calculated by a waterstage-damage analysis. Finally, decision support for flood risk management is provided and adequate measures for the handling of flood risks at the Yangtze river are developed.


Titel: Decision Support for Flood Risk Management at the Yangtze River by GIS/RS-Based Flood Damage Estimation
Autoren/Herausgeber: Marco Gemmer
Aus der Reihe: Berichte aus der Geowissenschaft
Ausgabe: 1., Aufl.

ISBN/EAN: 9783832232078

Seitenzahl: 234
Format: 21 x 14,8 cm
Produktform: Taschenbuch/Softcover
Gewicht: 350 g
Sprache: Englisch - Newsletter
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