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Hidden vulnerability of US Atlantic coast to sea-level rise due to vertical land motion

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dc.contributor.authorOhenhen, Leonard O.en
dc.contributor.authorShirzaei, Manoochehren
dc.contributor.authorOjha, Chandrakantaen
dc.contributor.authorKirwan, Matthew L.en
dc.coverage.countryUnited Statesen
dc.date.accessioned2023-04-13T12:27:42Zen
dc.date.available2023-04-13T12:27:42Zen
dc.date.issued2023-04-11en
dc.description.abstractThe vulnerability of coastal environments to sea-level rise varies spatially, particularly due to local land subsidence. However, high-resolution observations and models of coastal subsidence are scarce, hindering an accurate vulnerability assessment. We use satellite data from 2007 to 2020 to create high-resolution map of subsidence rate at mm-level accuracy for different land covers along the ~3,500 km long US Atlantic coast. Here, we show that subsidence rate exceeding 3mm per year affects most coastal areas, including wetlands, forests, agricultural areas, and developed regions. Coastal marshes represent the dominant land cover type along the US Atlantic coast and are particularly vulnerable to subsidence. We estimate that 58 to 100% of coastal marshes are losing elevation relative to sea level and show that previous studies substantially underestimate marsh vulnerability by not fully accounting for subsidence.en
dc.description.sponsorshipL.O. and M.S. are supported by NASA Grant (80NSSC170567) and a grant from US Geological Survey. M.K. is supported by the National Science Foundation (#1654374, #1832221, and #2012670).en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1038/s41467-023-37853-7en
dc.identifier.issue14en
dc.identifier.urihttp://hdl.handle.net/10919/114493en
dc.identifier.volume2023en
dc.language.isoenen
dc.publisherNature Researchen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleHidden vulnerability of US Atlantic coast to sea-level rise due to vertical land motionen
dc.title.serialNature Communicationsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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