A GIS based Analysis of Flood Resilience in the Context of a developing nation

Authors: Ahmad Mojtoba Riyadh*, University of Utah, Tom Cova, Professor
Topics: Hazards, Risks, and Disasters, Hazards and Vulnerability, Asia
Keywords: Flood, Resilience, Adaption, Developing nation, GIS
Session Type: Virtual Paper
Day: 4/9/2021
Start / End Time: 3:05 PM / 4:20 PM
Room: Virtual 7
Presentation File: No File Uploaded

Flooding is one of the most common natural hazards in the world. There have been many studies regarding flood resilience, but the majority of these focus on developed nations. Citizens in developing nations are more vulnerable as they do not have significant resources, and loss of lives, property, and livelihoods can be greater. The focus of this study is analyzing flood resilience in a developing nation context. We define flood resilience as a dynamic system that can mitigate hazard impacts and return a community to normal conditions in minimal time by absorbing and adapting to the hazard. The study area for this research is Bangladesh. Bangladesh has a population of 161.4 million. As a sub-tropical country, during the monsoon season it rains heavily which is a big contributor to flooding. This is a national scale flood resilience study and the comparison is done on sub-district (upazilla) level. We express flood resilience as a function of Vulnerability, Exposure and Adaptive capacity. Bangladeshi citizens have unique ways of adapting to flood hazards. Years of facing flood and the need to survive have led people to acquire whatever resources they can navigate them and live with floods. As Bangladesh is a riverain country and a large number of people live within high flood exposure zones. In spite of living within the same exposure level, different group of people have different scale of vulnerability as many of them have higher adaptive capacity to flood. This presentation will present findings associated with this study.

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