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Assessment of Future Flood Hazards for Southeastern Texas: Synthesizing Subsidence, Sea-Level Rise, and Storm Surge Scenarios

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dc.contributor.authorMiller, Megan M.en
dc.contributor.authorShirzaei, Manoochehren
dc.contributor.departmentGeosciencesen
dc.coverage.stateTexasen
dc.date.accessioned2021-07-29T18:06:01Zen
dc.date.available2021-07-29T18:06:01Zen
dc.date.issued2021-04-28en
dc.description.abstractRecent hurricanes highlight shortcomings of flood resilience plans in Texas that can worsen with climate change and rising seas. Combining vertical land motion (VLM) with sea-level rise (SLR) projections and storm surge scenarios for the years 2030, 2050, and 2100, we quantify the extent of flooding hazards. VLM rates are obtained from GNSS data and InSAR imagery from ALOS and Sentinel-1A/B satellites. VLM is resampled and projected on LIDAR topographic data, then multiple inundation and flooding scenarios are modeled. By the year 2100, over 76 km(2) are projected to subside below sea level. Subsidence increases the area of inundation over SLR alone by up to 39%. Under the worst-case composite scenario of an 8-m storm surge, subsidence, and the SLR RCP8.5, the total affected area is 1,156 km(2). These models enable communities to improve flood resiliency plans.en
dc.description.notesWe thank Cathleen E. Jones for offering improvements to the manuscript. M. Shirzaei was supported by the U.S. National Aeronautics and Space Administration Grant 80NSSC170567.en
dc.description.sponsorshipU.S. National Aeronautics and Space AdministrationNational Aeronautics & Space Administration (NASA) [80NSSC170567]en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1029/2021GL092544en
dc.identifier.eissn1944-8007en
dc.identifier.issn0094-8276en
dc.identifier.issue8en
dc.identifier.othere2021GL092544en
dc.identifier.urihttp://hdl.handle.net/10919/104446en
dc.identifier.volume48en
dc.language.isoenen
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivs 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectFloodingen
dc.subjectInSARen
dc.subjectsea&#8208en
dc.subjectlevel riseen
dc.subjectstorm surgeen
dc.subjectsubsidenceen
dc.subjectvertical land motionen
dc.titleAssessment of Future Flood Hazards for Southeastern Texas: Synthesizing Subsidence, Sea-Level Rise, and Storm Surge Scenariosen
dc.title.serialGeophysical Research Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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