Impacts of sea-level rise on coastal zones of Mauritius: insights following calculation of a coastal vulnerability index

Beeharry, Yashna Devi, Bekaroo, Girish ORCID: https://orcid.org/0000-0003-1753-4300, Bokhoree, Chandradeo and Robert Phillips, Michael (2022) Impacts of sea-level rise on coastal zones of Mauritius: insights following calculation of a coastal vulnerability index. Natural Hazards . ISSN 0921-030X [Article] (Published online first) (doi:10.1007/s11069-022-05378-9)

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Abstract

Whilst climate change has been regarded as a growing concern in recent years due the disruptive and detrimental effects experienced across the globe, one of its most compelling and threatening evidence is Sea Level Rise (SLR). This phenomenon is more prominent in Small Island Developing States (SIDS) and such islands are already facing escalating associated environmental threats, causing social and economic disruptions as well as insecurities. Amongst the SIDS, the coastal areas of Mauritius are considered among the most vulnerable to SLR, where statistics showed that between the years 1987 and 2007, an annual increase of 2.1mm in the sea level has been observed around Mauritius. Although SLR has various associated impacts, limited work has been undertaken to assess the coastal vulnerability of the impacts of SLR for Mauritius and to compute the Coastal Vulnerability Index (CVI) of the island. Taking cognizance of this limitation, the purpose of this paper is to quantify, prioritize and critically assess the vulnerability of key impacts of sea level rise on the coastal areas of Mauritius following computation of a CVI. In this process, five key research questions are answered towards calculating the CVI of the island to eventually conceptualize a framework with the aim to reduce the adverse impacts of SLR on coastal zones of Mauritius. Findings of this study aim at the advancement of resilience and increased sustainability of coastal areas to the impacts of SLR.

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