Articles | Volume 22, issue 12
https://doi.org/10.5194/nhess-22-4087-2022
https://doi.org/10.5194/nhess-22-4087-2022
Research article
 | 
21 Dec 2022
Research article |  | 21 Dec 2022

A global open-source database of flood-protection levees on river deltas (openDELvE)

Jaap H. Nienhuis, Jana R. Cox, Joey O'Dell, Douglas A. Edmonds, and Paolo Scussolini

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Latest update: 26 Feb 2024
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Short summary
Humans build levees to protect themselves against floods. We need to know where they are to correctly predict flooding, for example from sea level rise. Here we have looked through documents to find levees, and checked that they exist using satellite imagery. We developed a global levee map, available at www.opendelve.eu, and we found that 24 % of people in deltas are protected by levees.
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