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Pan‐Arctic assessment of coastal settlements and infrastructure vulnerable to coastal erosion, sea‐level rise, and permafrost thaw

dc.contributor.authorTanguy, Rodrigue
dc.contributor.authorBartsch, Annett
dc.contributor.authorNitze, Ingmar
dc.contributor.authorIrrgang, Anna
dc.contributor.authorPetzold, Pia
dc.contributor.authorWidhalm, Barbara
dc.contributor.authorvon Baeckmann, Clemens
dc.contributor.authorBoike, Julia
dc.contributor.authorMartin, Julia
dc.contributor.authorEfimova, Aleksandra
dc.contributor.authorVieira, Gonçalo
dc.contributor.authorWhalen, Dustin
dc.contributor.authorHeim, Birgit
dc.contributor.authorWieczorek, Mareike
dc.contributor.authorGrosse, Guido
dc.date.accessioned2024-12-27T16:49:53Z
dc.date.available2024-12-27T16:49:53Z
dc.date.issued2024
dc.description.abstractThis study assesses the vulnerability of Arctic coastal settlements and infrastructure to coastal erosion, Sea‐Level Rise (SLR) and permafrost warming. For the first time, we characterize coastline retreat consistently along permafrost coastal settlements at the regional scale for the Northern Hemisphere. We provide a new method to automatically derive long‐term coastline change rates for permafrost coasts. In addition, we identify the total number of coastal settlements and associated infrastructure that could be threatened by marine and terrestrial changes using remote sensing techniques. We extended the Arctic Coastal Infrastructure data set (SACHI) to include road types, airstrips, and artificial water reservoirs. The analysis of coastline, Ground Temperature (GT) and Active Layer Thickness (ALT) changes from 2000 to 2020, in addition with SLR projection, allowed to identify exposed settlements and infrastructure for 2030, 2050, and 2100. We validated the SACHI‐v2, GT and ALT data sets through comparisons with in‐situ data. 60% of the detected infrastructure is built on low‐lying coast (<10 m a.s.l). The results show that in 2100, 45% of all coastal settlements will be affected by SLR and 21% by coastal erosion. On average, coastal permafrost GT is increasing by 0.8°C per decade, and ALT is increasing by 6 cm per decade. In 2100, GT will become positive at 77% of the built infrastructure area. Our results highlight the circumpolar and international amplitude of the problem and emphasize the need for immediate adaptation measures to current and future environmental changes to counteract a deterioration of living conditions and ensure infrastructure sustainability.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationTanguy, R., Bartsch, A., Nitze, I., Irrgang, A., Petzold, P., Widhalm, B., von Baeckmann, C., Boike, J., Martin, J., Efimova, A., Vieira, G., Whalen, D., Heim, B., Wieczorek, M., & Grosse, G. (2024). Pan-Arctic assessment of coastal settlements and infrastructure vulnerable to coastal erosion, sea-level rise, and permafrost thaw. Earth's Future, 12(12), e2024EF005013. https://doi.org/10.1029/2024EF005013pt_PT
dc.identifier.doi10.1029/2024EF005013pt_PT
dc.identifier.issn2328-4277
dc.identifier.urihttp://hdl.handle.net/10400.5/96721
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherJohn Wiley and Sonspt_PT
dc.relationEuropean Space Agency (ESA) Polar Science Cluster Program Project EO4PAC (4000134425/21/I‐NB)pt_PT
dc.relationESA Climate Change Initiative project CCI+ Permafrost (4000123681/18/I‐NB)pt_PT
dc.relationEuropean Union’s Horizon 2020 Research and Innovation Program under Grant Agreement No. 773421 (Nunataryuk)pt_PT
dc.relation101003472 (Arctic Passion)pt_PT
dc.relationHORIZON Europe program under Grant Agreement No. 101133587 (ILLUQ)pt_PT
dc.relation.publisherversionhttps://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2024EF005013pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectClimate changept_PT
dc.subjectCoastal erosionpt_PT
dc.subjectInfrastructurespt_PT
dc.subjectPermafrostpt_PT
dc.subjectRemote sensingpt_PT
dc.subjectSea level risept_PT
dc.titlePan‐Arctic assessment of coastal settlements and infrastructure vulnerable to coastal erosion, sea‐level rise, and permafrost thawpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue12pt_PT
oaire.citation.startPagee2024EF005013pt_PT
oaire.citation.titleEarth's Futurept_PT
oaire.citation.volume12pt_PT
person.familyNameBrito Guapo Teles Vieira
person.givenNameGonçalo
person.identifierG-5958-2010
person.identifier.ciencia-id2519-6583-CAEA
person.identifier.orcid0000-0001-7611-3464
person.identifier.scopus-author-id7005863976
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication7039fbb2-e1f8-4c3e-80f1-603b12d33c1c
relation.isAuthorOfPublication.latestForDiscovery7039fbb2-e1f8-4c3e-80f1-603b12d33c1c

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