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The maps show coastal points which summarise the number of persons (number per km of coast) in adjacent, hazard-exposed areas who are likely to be receiving protection from flooding. The hazard in the model is informed by wind and wave energy, which are indicative of threats arising both from flooding (including wave overtopping during storms) and erosion. Exposed areas include a 500m strip along all coasts, plus additional low-lying areas <5km from the shore. Population information in these hazard exposed areas is from WorldPop 2020, which provides population data over a 30′′ grid (approximately 1-km at the equator). For more details, see: Burke and Spalding (2022). Shoreline protection by the world’s coral reefs: Mapping the benefits topeople, assets, and infrastructure. Marine Policy. |