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Abstract
The aim of this study is to identify the hazards that are associated with cyclone and to prepare hazard maps with various intensity (low, medium and high) through questionnaire survey and Participatory Rural Appraisal (PRA) method in Paikgacha Upazilla of Khulna District is a major cyclone prone area of Bangladesh. The collected data reveals that salinity, water logging, embankment erosion, tidal surge and storm surge are the major cyclonic hazards and have adverse effects on agriculture, structure, occupational pattern, consumption pattern and service facilities of that area. As a result, vulnerability assessment has done to identify the most vulnerable sector by the impacts of multi-hazard using Weighted Index method. The analysis of the data shows that structural sector (24%) is more vulnerable compared to other sectors. Because, the housing condition is not much better condition in terms of construction material and technology. During cyclone period heavy wind speed and storm sure damage and destroy the housing roof and wall. On the other side, occupational pattern (23%) reflects as second rank vulnerable sector in the study area. This research helps to mitigate risks by hazard mapping and plays an important role in recovery strategies against multi-hazards risks of cyclone.
Highlights
Cyclone is a disaster that occurs almost in every year in coastal regions of Bangladesh and brings substantial damages and losses
Hazards are the most damaging factors of cyclone and inhabitants of Santa village are familiar with cyclonic hazards and its associated risks
Multi-hazard such as salinity, water logging, tidal surge, embankment erosion and cyclonic storm surge limiting the productivity of agricultural crops, damage and destroy housing structure and make livelihood in danger
Summary
Cyclone is a disaster that occurs almost in every year in coastal regions of Bangladesh and brings substantial damages and losses. Several disastrous cyclones have struck Bangladesh: in 1822, 1876, 1961, 1965, 1970, and 1991 [1, 2]. Earlier studies show that 80–90% of global losses and 53% of total cyclone-related deaths worldwide occur in Bangladesh [3]. About 42% of deaths related to cyclone have been recorded in Bangladesh in the last two centuries [4]. In addition to the geophysical characteristics of the Bangladesh coast, the poor socio-economic conditions of coastal inhabitants contribute to increasing the vulnerability of inhabitants to cyclones [5]. The increasing trend of cyclones will certainly affect the livelihoods of vulnerable populations living in low-lying coastal Bangladesh [6, 7]
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