ABSTRACT
ABSTRACT: The study provided a new method to assess the flood disaster risk of urban residential building from evaluating three aspects (hazard, exposure and vulnerability) based on the theory of regional disaster. Firstly, the inundated area was extracted from the remote sensing image during the disaster and the depth of flood was calculated by using RS and GIS technology with DEM data. Secondly, evaluation models of urban residential building properties were built based on the conceptual framework of exposure, and the relationship between the depth of flood and loss rate of properties was established by using regression analysis in order to present flood vulnerability curves of resident dwellings. Finally, flood disaster risk assessment model of residents’ properties were built based on the formation mechanism of flood disaster risk. Taking Kouqian Town, Jilin, China as study area, the flood disaster risk of urban residential building was analyzed and assessed using provided method. The results indicated that the areas with high level of flood risk were mainly located in Old street, Lianshan bridge and the southern area of Hebei community. The results was verified in order to prove applicability of the method. This study would provide an important basis for disaster prevention and reduction.
