Exposure of developing countries to sea-level rise and storm surges |
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Authors: | Susmita Dasgupta Benoit Laplante Siobhan Murray David Wheeler |
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Affiliation: | (1) Marine and Coastal Ecosystems Branch, United Nations Environment Programme, UN Gigiri Complex, 30552–00100, Nairobi, Kenya |
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Abstract: | An increase in sea surface temperature is strongly evident at all latitudes and in all oceans. The scientific evidence to date suggests that increased sea surface temperature will intensify cyclone activity and heighten storm surges. The paper assesses the exposure of (coastal) developing countries to sea-level rise and the intensification of storm surges. Geographic Information System (GIS) software is used to overlay the best available, spatially-disaggregated global data on critical exposed elements (land, population, GDP, agricultural extent and wetlands) with the inundation zones projected with heightened storm surges and a 1 m sea-level rise. Country-level results indicate a significant increase in exposure of developing countries to these climate-induced changes. |
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