globalchange  > 气候变化与战略
DOI: 10.1016/j.earscirev.2020.103249
论文题名:
Holocene glacial history of Svalbard: Status, perspectives and challenges
作者: Farnsworth W.R.; Allaart L.; Ingólfsson Ó.; Alexanderson H.; Forwick M.; Noormets R.; Retelle M.; Schomacker A.
刊名: Earth Science Reviews
ISSN: 00128252
出版年: 2020
卷: 208
语种: 英语
中文关键词: Climate ; Glaciers ; Holocene ; Little Ice Age ; Neoglacial ; Spitsbergen
英文关键词: cosmogenic radionuclide ; database ; geochronology ; glacial history ; glacier ; glacier retreat ; Holocene ; ice cover ; Little Ice Age ; luminescence dating ; Pleistocene ; radiocarbon dating ; Arctic ; Svalbard ; Svalbard and Jan Mayen
英文摘要: We synthesize the current understanding of glacier activity on Svalbard from the end of the Late Pleistocene (12,000 yrs. before present) to the end of the Little Ice Age (c. 1920 AD). Our glacier history is derived from the SVALHOLA database, the first compilation of Holocene geochronology for Svalbard and the surrounding waters, including over 1,800 radiocarbon, terrestrial cosmogenic nuclide and optically stimulated luminescence ages. Data have been categorized by geological setting, uniformly (re-)calibrated, quality assessed and ultimately used to constrain glacier fluctuations (deglaciation, ice free conditions, glacier re-advances and ice marginal positions). We advance existing knowledge by mapping the extent and distribution of ice-cover during the Holocene glacial maximum and the glacial minimum, as well as present retreat rates (and percentages) within Early Holocene fjord-systems. Throughout the Holocene, Svalbard glaciers have responded to a varying combination of climatic, environmental and dynamic driving factors which influence both the extent and behavior of ice margins. We discuss the complexities of glacier systems and their dynamics in response to changes in climate. This review provides a holistic state of the art of Holocene glaciers on Svalbard, suitable for orienting future works which address gaps in our current knowledge. © 2020 The Author(s)
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166070
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作者单位: Department of Arctic Geology, The University Centre in Svalbard (UNIS), Longyearbyen, N-9171, Norway; Department of Geosciences, UiT The Arctic University of Norway, Tromsø, N-9037, Norway; NordVulk, Nordic Volcanological Center, University of Iceland, Askja, Sturlugata 7, Reykjavík, IS-101, Iceland; Institute of Earth Sciences, University of Iceland, Askja, Sturlugata 7, Reykjavík, IS-101, Iceland; Department of Geology, Lund University, Sölvegatan 12, Lund, S-223 62, Sweden; Department of Geology, Bates College, Lewiston, ME 04240, United States

Recommended Citation:
Farnsworth W.R.,Allaart L.,Ingólfsson Ó.,et al. Holocene glacial history of Svalbard: Status, perspectives and challenges[J]. Earth Science Reviews,2020-01-01,208
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