An evaluation of disaster risk reduction (DRR) approaches for coastal delta cities: a comparative analysis

Sarfaraz Gani Adnan () and Heidi Kreibich ()
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Sarfaraz Gani Adnan: Chittagong University of Engineering and Technology (CUET)
Heidi Kreibich: GFZ German Research Centre for Geosciences

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2016, vol. 83, issue 2, No 23, 1257-1278

Abstract: Abstract Deltas are the promising places with multifarious ecosystems and arable soils along with the ease of water transportation system; hence, a number of important cities are established in or near coastal delta regions. However, due to the geomorphic characteristics, those cities are extremely exposed to hydro-meteorological hazards, especially to riverine and coastal flood. Additionally, climate change, rapid urbanization and subsidence are exacerbating the existing situation and causing monumental loss. Researchers as well as various international organizations like United Nations Inter-Agency Secretariat of the International Strategy for Disaster Reduction have recognized the implications of formulating disaster risk reduction (DRR) plans for coastal delta cities. This demands for the excogitation of adaptation policies and measures in addition to the mitigation efforts to reduce flood risks. In this regard, to support the comprehensive concept development, this study elicits different components of flood risk reduction policies and measures, congenial for coastal delta cities in respect of physical and environmental perspectives. Eleven precedent (model) cities are selected to study their various initiatives for reducing coastal flood risks. Findings show that protecting cities from flooding and reducing exposure to floods are two different but interrelated approaches of DRR. Combinations of structural and non-structural measures are the prerequisites to achieve the goal of effective DRR.

Keywords: Coastal delta cities; Climate change; Disaster risk reduction; Coastal flooding (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s11069-016-2388-8

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