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Evaluation environnementale du risque d'inondation dans le delta du fleuve Ha Thanh (centre Viêt-Nam)

Abstract : Located in South-Central Vietnam, the port city of Quynhon is the capital city of the Binhdinh province. The city undergoes a rapid expansion since the end of the Vietnam war (1975). Urban spread changes land use patterns in the Ha Thanh river delta. The Ha Thanh river hydrologic regime has not been thoroughly studied so far. However, it is susceptible to flash flood during the frequent typhoon events. Because urban development multiplies exposed buildings within the floodplain, the present dissertation aims at providing a better knowledge of flood hazard and vulnerability in the delta for better risk management. For this purpose, an environmental and geomatic assessment is conducted to identify flood speed and expanse on the one hand, and draw a hazard exposure map on the other hand. This dissertation also analyses the environmental manipulations of the river and its watershed that impact its hydrological regime.
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Submitted on : Wednesday, June 11, 2014 - 12:32:31 PM
Last modification on : Tuesday, October 12, 2021 - 5:20:32 PM
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  • HAL Id : tel-01004411, version 1



Anh Tu Ngo. Evaluation environnementale du risque d'inondation dans le delta du fleuve Ha Thanh (centre Viêt-Nam). Géographie. Université d'Orléans, 2014. Français. ⟨NNT : 2014ORLE1129⟩. ⟨tel-01004411⟩



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