Preprint Article Version 2 This version is not peer-reviewed

Cyclone Evacuation Route Identification Using GIS for Coastal Communities in Mirzaganj Union, Patuakhali, Bangladesh

Version 1 : Received: 14 October 2018 / Approved: 16 October 2018 / Online: 16 October 2018 (08:54:14 CEST)
Version 2 : Received: 20 October 2018 / Approved: 22 October 2018 / Online: 22 October 2018 (10:48:49 CEST)

How to cite: Billah, M.; Sarker, S.; Ansary, M.A. Cyclone Evacuation Route Identification Using GIS for Coastal Communities in Mirzaganj Union, Patuakhali, Bangladesh. Preprints 2018, 2018100344 (doi: 10.20944/preprints201810.0344.v2). Billah, M.; Sarker, S.; Ansary, M.A. Cyclone Evacuation Route Identification Using GIS for Coastal Communities in Mirzaganj Union, Patuakhali, Bangladesh. Preprints 2018, 2018100344 (doi: 10.20944/preprints201810.0344.v2).

Abstract

Evacuation is the primary and most important preparedness initiative to save people from the devastating effects of a cyclone. For proper evacuation, a route is specifically chosen that will play a role during cyclones. In this study, Geographic information system has been applied for evacuation route planning for Mirzaganj Union, Patuakhali, Bangladesh. The study is based on questionnaire surveys; direct observation and literature review on the existing sheltering system and develops an evacuation route using the shortest distance analysis. This study provides us an idea how we can manage our population to find out suitable nearby shelters and the limitations that we should focused on. The result shows that only 12% of the total population gets shelter opportunity with the existing official shelter capacity by identifying evacuation route with the shortest distance and the shortest time needed. Shortest distance and time have been calculated for each cyclone shelters. If we consider the low vulnerable infrastructures as shelter, 75% of the total population can be accommodated. This study demonstrates the utilization of an ideal evacuation route planning in the coastal parts of Bangladesh.

Subject Areas

cyclone; cyclone shelter; evacuation; network analysis; Bangladesh

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