NÝVLT, Daniel, Neil F GLASSER, Emma HOCKING, Marc OLIVA, Stephen J ROBERTS and Matěj ROMAN. Tracing the deglaciation since the Last Glacial Maximum. In Oliva, Marc; Ruiz-Fernández, Jesús. Past Antarctica – Paleoclimatology and Climate Change. 1st. Cambridge, Massachusetts: Elsevier Academic Press, 2020, p. 89-107. ISBN 978-0-12-817925-3. Available from: https://dx.doi.org/10.1016/B978-0-12-817925-3.00005-7.
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Basic information
Original name Tracing the deglaciation since the Last Glacial Maximum
Authors NÝVLT, Daniel (203 Czech Republic, belonging to the institution), Neil F GLASSER (826 United Kingdom of Great Britain and Northern Ireland), Emma HOCKING (826 United Kingdom of Great Britain and Northern Ireland), Marc OLIVA (724 Spain), Stephen J ROBERTS (826 United Kingdom of Great Britain and Northern Ireland) and Matěj ROMAN (203 Czech Republic, belonging to the institution).
Edition 1st. Cambridge, Massachusetts, Past Antarctica – Paleoclimatology and Climate Change, p. 89-107, 19 pp. 2020.
Publisher Elsevier Academic Press
Other information
Original language English
Type of outcome Chapter(s) of a specialized book
Field of Study 10505 Geology
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
Publication form printed version "print"
WWW URL
RIV identification code RIV/00216224:14310/20:00117596
Organization unit Faculty of Science
ISBN 978-0-12-817925-3
Doi http://dx.doi.org/10.1016/B978-0-12-817925-3.00005-7
Keywords in English Deglaciation; Ice-free surfaces; Paraglacial; Geomorphological processes
Tags rivok, topvydavatel
Tags International impact, Reviewed
Changed by Changed by: Mgr. Marie Šípková, DiS., učo 437722. Changed: 12/1/2021 11:41.
Abstract
The pre-last glacial maximum (LGM) Antarctic landscape with inherited preglacial topography (Sugden and Jamieson, 2018) was significantly overprinted by multiple ice advances and retreats driven by Milankovitch’s orbital forcing parameters during the Cenozoic (Hambrey and McKelvey, 2000, Naish et al., 2009, Davies et al., 2012b). This long geomorphological history has a fundamental effect on the subglacial topography (Fretwell et al., 2013) and on the ice-free landscapes located mostly in Antarctica’s outermost parts or in mountain ranges penetrating through the ice sheet. The recent calculations of rock outcrop areas for Antarctica (from its margin to 82°40'S) reveal much smaller values (21,745 km2) than the previous estimates (Burton-Johnson et al., 2016). This implies that exposed rocks form only tilde 0.2% of the total Antarctic continent area. However, these parts of Antarctic landscape underwent the most complex evolution since their deglaciation (i.e., in paraglacial phase) being shaped by marine, fluvial, eolian, slope, and last but not the least biological processes. Besides the present ice-free landscape could serve as an excellent playground to study processes and interactions, which will become much more common and widespread in Antarctica with the future deglaciation connected with ongoing global change.
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