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Nicholls, Robert J. 
ORCID: https://orcid.org/0000-0002-9715-1109, Lincke, Daniel, Hinkel, Jochen, Brown, Sally, Vafeidis, Athanasios T., Meyssignac, Benoit, Hanson, Susan E., Merkens, Jan-ludolf and Fang, Jiayi
(2021)
A global analysis of subsidence, relative sea-level change and coastal flood exposure.
Nature Climate Change, 11 (4).
pp. 338-342.
ISSN 1758-678X
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Abstract
Climate-induced sea-level rise and vertical land movements, including natural and human-induced subsidence in sedimentary coastal lowlands, combine to change relative sea levels around the world’s coasts. Although this affects local rates of sea-level rise, assessments of the coastal impacts of subsidence are lacking on a global scale. Here, we quantify global-mean relative sea-level rise to be 2.5 mm yr−1 over the past two decades. However, as coastal inhabitants are preferentially located in subsiding locations, they experience an average relative sea-level rise up to four times faster at 7.8 to 9.9 mm yr−1. These results indicate that the impacts and adaptation needs are much higher than reported global sea-level rise measurements suggest. In particular, human-induced subsidence in and surrounding coastal cities can be rapidly reduced with appropriate policy for groundwater utilization and drainage. Such policy would offer substantial and rapid benefits to reduce growth of coastal flood exposure due to relative sea-level rise.
| Item Type: | Article |
|---|---|
| Additional Information: | Erratum at 10.1038/s41558-021-01064-z |
| Uncontrolled Keywords: | sdg 13 - climate action ,/dk/atira/pure/sustainabledevelopmentgoals/climate_action |
| Faculty \ School: | University of East Anglia Research Groups/Centres > Theme - ClimateUEA |
| UEA Research Groups: | University of East Anglia Schools > Faculty of Science > Tyndall Centre for Climate Change Research Faculty of Science > Research Centres > Tyndall Centre for Climate Change Research Faculty of Science > Research Groups > Collaborative Centre for Sustainable Use of the Seas |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 26 Mar 2021 00:49 |
| Last Modified: | 22 Oct 2022 09:30 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/79565 |
| DOI: | 10.1038/s41558-021-00993-z |
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