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dc.contributor.authorBenn, Doug I
dc.contributor.authorSugden, David E.
dc.date.accessioned2021-03-23T14:30:02Z
dc.date.available2021-03-23T14:30:02Z
dc.date.issued2021-02-14
dc.identifier.citationBenn , D I & Sugden , D E 2021 , ' West Antarctic Ice Sheet and CO 2 greenhouse effect : a threat of disaster ' , Scottish Geographical Journal , vol. 136 , no. 1-4 , pp. 13-23 . https://doi.org/10.1080/14702541.2020.1853870en
dc.identifier.issn1470-2541
dc.identifier.otherPURE: 271330739
dc.identifier.otherPURE UUID: 74c5443d-bc1e-4adb-8270-61c639e8ff37
dc.identifier.otherScopus: 85100926032
dc.identifier.otherORCID: /0000-0002-3604-0886/work/91340766
dc.identifier.otherWOS: 000617980600003
dc.identifier.urihttp://hdl.handle.net/10023/21690
dc.descriptionDIB's contribution to this work is from the DOMINOS project, a component of the International Thwaites Glacier Collaboration (ITGC). Support for DIB was provided by the Natural Environment Research Council (NERC: Grant NE/S006605/1). ITGC Contribution No. ITGC:025.en
dc.description.abstractOver 40 years ago, the glaciologist John Mercer warned that parts of the West Antarctic Ice Sheet were at risk of collapse due to the CO2 greenhouse effect. Mercer recognised the unique vulnerability of ice sheets resting on beds far below sea level (marine-based ice sheets), where an initial warming signal can initiate irreversible retreat. In this paper, we review recent work on evidence for ice sheet collapse in warmer periods of the recent geological past, the current behaviour of the ice sheet, and computer models used to predict future ice-sheet response to global warming. Much of this work points in the same direction: warming climates can indeed trigger collapse of marine-based portions of the West Antarctic Ice Sheet, and retreat in response to recent warming has brought parts of the ice sheet to the threshold of instability. Further retreat appears to be inevitable, but the rate of collapse depends critically on future emissions.
dc.language.isoeng
dc.relation.ispartofScottish Geographical Journalen
dc.rightsCopyright © 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.en
dc.subjectIce sheet instabilityen
dc.subjectAntarcticaen
dc.subjectClimate changeen
dc.subjectG Geography (General)en
dc.subjectT-NDASen
dc.subject.lccG1en
dc.titleWest Antarctic Ice Sheet and CO2 greenhouse effect : a threat of disasteren
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.Environmental Change Research Groupen
dc.contributor.institutionUniversity of St Andrews.Bell-Edwards Geographic Data Instituteen
dc.contributor.institutionUniversity of St Andrews.School of Geography & Sustainable Developmenten
dc.identifier.doihttps://doi.org/10.1080/14702541.2020.1853870
dc.description.statusPeer revieweden


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