Management of Unanticipated Extreme Flood: A Case Study on Flooding in NW Bangladesh during 2017

Management of Unanticipated Extreme Flood: A Case Study on Flooding in NW Bangladesh during 2017

Partho Das (Institute of Water and Flood Management, Bangladesh University of Engineering and Technology, Bangladesh) and Rezaur Rahman (Institute of Water and Flood Management, Bangladesh University of Engineering and Technology, Bangladesh)
DOI: 10.4018/IJDREM.2018010102

Abstract

South Asian countries (Nepal, India, and Bangladesh) experienced extreme flooding in August 2017 which is one of the deadliest in the recent few decades. Being the downstream country of this Himalayan region Bangladesh experienced immense flooding both in its flood prone and less flood prone areas. Northwest Bangladesh district Dinajpur is known for its high topography where flooding is not a common phenomenon. Due to this reason flood control and flood management practices by concerned agencies are very rare in this region. Such negligence in river and floodplain management turned this region a vulnerable one due to flood. The unexpected August 2017 flood in Dinajpur bears an example that this region is no longer flood free. This study aims to study the insights of this August 2017 flood event bi investigating causes, flood time and after flood recovery, existing management practices and damage information etc. Based on those primary and secondary assessment, future directions for flood management in this region has been proposed.
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Study Area

Dinajpur is one of the North most district of Bangladesh. According to BBS 2011, the total population in Dinajpur is around 3 million. Population density in this district is 868 people in per sq. km. Agriculture is the major source of income in this district. So almost major part of the population leads a rural life which is also reflected in BBS estimation of rural household. In Dinajpur, the rural percentage of total number of HHs is 85.3%.

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