DIAGNOSIS AND ASSESSMENT ON VULNERABILITY OF THE URBAN FLOOD-WATERLOGGED DISASTER IN HUNAN PROVINCE
MAO De hua (College of Territorial Resources, Hunan Normal University, Changsha 410081,China)
The general diagnosis for vulnerability of the urban flood waterlogged disaster in Hunan Province was carried out by analyzing environmental variability, urban location vulnerability, hazard sensitivity of urban socio economic conditions. By means of fuzzy comprehensive evaluation method, the quantitative assessment on vulnerability was made by electing aseries of indexes, such as population density, industry production value density, road network density and urban green land rate. The vulnerability degrees were divided into five grades,and the general vulnerability degree grade (level) of the urban flood waterlogged disaster is high and vulnerability degree grade has not corresponding relationship to the urban scale. The importance of prevention and control for flood waterlogged disaster must be transferred from countryside to city and the countermeasures must be suited to local conditions.