Trong vài thập kỷ qua, lũ lụt phân tích chủ yếu tập trung vào đặc tính vật lý của lũ lụt (chẳng hạn như lũ lụt sâu, mức độ lũ lụt .) mà không có đánh giá kinh tế - xã hội dễ bị tổn thương. Trong những năm gần đây, một cách tiếp cận mới trong bản đồ lũ lụt đang phát triển là để đánh giá tính dễ bị tổn thương lũ của cộng đồng và các thành phần kinh tế trong khu vực bị ảnh hưởng bởi lũ lụt là một công cụ hiệu quả để quản. | FLOOD VULNERABILITY ASSESSMENT OF DOWNSTREAM AREA IN THACH HAN RIVER BASIN QUANG TRI PROVINCE 1 Đang Đinh Kha Tran Ngoc Anh and Nguyen Thanh Son Faculty of Hydro-Meteorology and Oceanography Hanoi University of Science Vietnam National University Hanoi In the past few decades flood analysis mainly focused on physical characteristics of flood such as flood depth flood extent. without socio-economic vulnerable assessment. In recent years a new approach in developing flood map is to assess the vulnerability to flood of community and economic sectors in flood-affected area that is an effective tool for integrated flood management. Base on flood hazard assessment flood extent peak velocity flood duration using hydrodynamic modelling - MIKE FLOOD combining with landuse map and resistant capability of local communities this study established the vulnerable flood map in downstream of Thach Han river basin Quang Tri province. This result provides a scientific and practical basis an useful tool for managers policymakers in integrated flood management. Besides local residents will also be able to perform damage-reducing measures in the study area. Keywords Flood vulnerability flood hazard MIKE FLOOD Quang Tri. 1 Correspondence author 1. Introduction The natural disasters such as catastrophic flood drought earthquake tsunami are happening more frequently over the world causing vast damage of the human society. Among them flooding was responsible for two-thirds of these affected and caused over one-third of the total estimated economic damage Pilon 2003 . The assessment of flood damage is not only based on the flood risk but also the interaction between flood hazards with other human activities. Any changes in contemporary society - such as population increase economic development urbanization deforestation expansion of residential areas increased labor mobility population ageing - make society more vulnerable to natural hazards Takeuchi 2006 . Without .
