Urban Flooding of Greater Dhaka in a Changing Climate

Susmita Dasgupta, Asif Zaman, Subhendu Roy, Mainul Huq, Sarwar Jahan and Ainun Nishat

No 22768 in World Bank Publications - Books from The World Bank Group

Abstract: Dhaka, the capital of Bangladesh and one of the world’s rapidly growing megacities, is an urban hotspot for climate risks. Located in central Bangladesh on the lower reaches of the Ganges-Brahmaputra Delta, the city faces the recurring phenomena of urban flooding and waterlogging following intense rainfall nearly every year. As a low-elevation city with a tropical monsoon climate, Dhaka has a long history of river flooding as a natural hazard. Recent major floods have been worse in terms of depth and extent of inundation and duration, especially in fringe areas, where many of the city’s poor reside. Rapid, unplanned urbanization and the gradual filling up of low-lying flood plains, rivers, canals, and other water bodies traditionally used to drain or retain water during rainfall have exacerbated the problem. A growing concern is that, in a changing climate, characterized by heavier and more erratic rainfall in the Ganges-Brahmaputra-Meghna (GBM) Basin during the monsoon season, the situation may worsen. The analysis in this book will help Bangladesh’s policy makers take targeted steps to mitigate urban flooding in Dhaka and improve the city’s resilience in the face of climate change and variability. Equipped with a host of investment options designed to address current flooding and further climate-proof urban infrastructure, local decision makers will be able to develop realistic, yet effective, strategies that prioritize interventions and sequence activities.

Keywords: Environment-Climate; Change; Mitigation; and; Green; House; Gases; Urban; Development-Hazard; Risk; Management; Urban; Development-Urban; Water; &; Waste; Management; Water; Resources-Wetlands; Water; Supply; and; Sanitation-Water; Supply; and; Systems (search for similar items in EconPapers)
Date: 2015
ISBN: 978-1-4648-0710-7
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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