Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/25668
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dc.contributor.authorMendelova, Monikaen_UK
dc.contributor.authorHein, Andrew Sen_UK
dc.contributor.authorMcCulloch, Roberten_UK
dc.contributor.authorDavies, Bethanen_UK
dc.date.accessioned2018-03-24T23:58:06Z-
dc.date.available2018-03-24T23:58:06Z-
dc.date.issued2017en_UK
dc.identifier.urihttp://hdl.handle.net/1893/25668-
dc.description.abstractThis paper reviews published geochronological data on glacier fluctuations and environmental changes in central Patagonia (44° S - 49° S) from the Last Glacial Maximum (LGM) through to the Holocene. Well-dated glacial chronologies from the southern mid-latitudes can inform on the synchronicity of glacial advances worldwide and provide insight on the drivers of southern hemisphere glaciations. In central Patagonia, two large outlet lobes of the former Patagonian Ice Sheet advanced in broad synchrony with the global LGM. In contrast to other parts of Patagonia, there is no convincing evidence for a more extensive local LGM advance during Marine Isotope Stage 3. Deglaciation initiated at ca. 19 ka, earlier than in other parts of Patagonia and regionally in the Southern Hemisphere, and rapid deglaciation saw ice margins retreat in places by at least 80-120 km within a few millennia. The Lateglacial glacier margins are poorly constrained, but an ice mass substantial enough to maintain a large regional proglacial lake must have persisted at this time. The timing of lake drainage and opening of the Río Baker drainage route to the Pacific Ocean is debated; the only directly dated shoreline suggests this occurred at the end of the Antarctic Cold Reversal at 12.7 ka. Palaeoecological evidence for cooling during the Antarctic Cold Reversal or Younger Dryas remains equivocal, which may reflect both the eurythermic nature of Patagonian vegetation and shifting Southern Westerly Winds. Eastern outlet glaciers appear to have advanced or stabilised at the Lateglacial/Holocene transition when palaeoenvironmental records indicate warmer and drier conditions, but the reason for this is unclear. Our review reveals both spatial and temporal gaps in available data that provide avenues for future research.en_UK
dc.language.isoenen_UK
dc.publisherUniversidad de La Rioja, Spainen_UK
dc.relationMendelova M, Hein AS, McCulloch R & Davies B (2017) The Last Glacial Maximum and deglaciation in central Patagonia, 44°S–49°S. Cuadernos de Investigación Geográfica, 43 (2), pp. 719-750. https://publicaciones.unirioja.es/ojs/index.php/cig/article/view/3263; https://doi.org/10.18172/cig.3263en_UK
dc.rightsThis journal guarantees open free access to the published information, based on the principle that free access to research improves the global exchange of knowledge. First published in Cuadernos de Investigación Geográfica Vol 43, No 2 (2017), pp. 719-750, published by Universidad de La Rioja (Spain). The original publication is available at: https://publicaciones.unirioja.es/ojs/index.php/cig/article/view/3263en_UK
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en_UK
dc.subjectLast Glacial Maximumen_UK
dc.subjectdeglaciationen_UK
dc.subjectHoloceneen_UK
dc.subjectPatagoniaen_UK
dc.subjectglacial chronologyen_UK
dc.titleThe Last Glacial Maximum and deglaciation in central Patagonia, 44°S–49°Sen_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.18172/cig.3263en_UK
dc.citation.jtitleCuadernos de Investigación Geográficaen_UK
dc.citation.issn1697-9540en_UK
dc.citation.issn0211-6820en_UK
dc.citation.volume43en_UK
dc.citation.issue2en_UK
dc.citation.spage719en_UK
dc.citation.epage750en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.identifier.urlhttps://publicaciones.unirioja.es/ojs/index.php/cig/article/view/3263en_UK
dc.author.emailrobert.mcculloch@stir.ac.uken_UK
dc.citation.date31/05/2017en_UK
dc.contributor.affiliationUniversity of Edinburghen_UK
dc.contributor.affiliationUniversity of Edinburghen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationRoyal Holloway University of Londonen_UK
dc.identifier.isiWOS:000418809200016en_UK
dc.identifier.scopusid2-s2.0-85029705657en_UK
dc.identifier.wtid523285en_UK
dc.contributor.orcid0000-0001-5542-3703en_UK
dc.date.accepted2017-03-23en_UK
dcterms.dateAccepted2017-03-23en_UK
dc.date.filedepositdate2017-07-19en_UK
rioxxterms.apcnot chargeden_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorMendelova, Monika|en_UK
local.rioxx.authorHein, Andrew S|en_UK
local.rioxx.authorMcCulloch, Robert|0000-0001-5542-3703en_UK
local.rioxx.authorDavies, Bethan|en_UK
local.rioxx.projectInternal Project|University of Stirling|https://isni.org/isni/0000000122484331en_UK
local.rioxx.freetoreaddate2017-07-25en_UK
local.rioxx.licencehttp://creativecommons.org/licenses/by-nc-nd/4.0/|2017-07-25|en_UK
local.rioxx.filename3263-6387-1-PB.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source1697-9540en_UK
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