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Improving Practice of Flood Shelter Implementation in Alluvial River Floodplain With Hydro-Morphological Analysis

Improving Practice of Flood Shelter Implementation in Alluvial River Floodplain With Hydro-Morphological Analysis

Shammi Haque, Debanjali Saha, M. Shahjahan Mondal
Copyright: © 2019 |Volume: 2 |Issue: 2 |Pages: 16
ISSN: 2572-4940|EISSN: 2572-4932|EISBN13: 9781522569015|DOI: 10.4018/IJDREM.2019070103
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MLA

Haque, Shammi, et al. "Improving Practice of Flood Shelter Implementation in Alluvial River Floodplain With Hydro-Morphological Analysis." IJDREM vol.2, no.2 2019: pp.35-50. http://doi.org/10.4018/IJDREM.2019070103

APA

Haque, S., Saha, D., & Mondal, M. S. (2019). Improving Practice of Flood Shelter Implementation in Alluvial River Floodplain With Hydro-Morphological Analysis. International Journal of Disaster Response and Emergency Management (IJDREM), 2(2), 35-50. http://doi.org/10.4018/IJDREM.2019070103

Chicago

Haque, Shammi, Debanjali Saha, and M. Shahjahan Mondal. "Improving Practice of Flood Shelter Implementation in Alluvial River Floodplain With Hydro-Morphological Analysis," International Journal of Disaster Response and Emergency Management (IJDREM) 2, no.2: 35-50. http://doi.org/10.4018/IJDREM.2019070103

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Abstract

Flood shelter is widely used as a flood-proofing measure in floodplain areas. However, the practice of flood shelter implementation lacks proper planning, design, and construction. This study was undertaken to identify such gaps and bridge them through a case study and pilot of selected shelters in Bangladesh. An interdisciplinary approach comprising both quantitative hydrologic-hydraulic analysis and qualitative participatory social appraisal was followed in the study. The findings revealed that design flood levels were under-estimated, macro-stability of shelter sites were not assessed, and water velocity was not considered in shelter implementation. Based on an assessment of macro-stability of the chars, flood frequency and flow velocity through hydro-dynamic simulation with the HEC-RAS model, two shelters were redesigned and promoted as model shelters which performed well in a subsequent flood. The approach followed in this study can be replicated for shelter implementation in any riverine char environment for better outcome.

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