气候变化领域集成服务门户(CCPortal): A Major Collapse of Kangerlussuaq Glacier's Ice Tongue Between 1932 and 1933 in East Greenland

CCPortal

DOI	10.1029/2019GL085954
	A Major Collapse of Kangerlussuaq Glacier's Ice Tongue Between 1932 and 1933 in East Greenland
	Vermassen F.; Bjørk A.A.; Sicre M.-A.; Jaeger J.M.; Wangner D.J.; Kjeldsen K.K.; Siggaard-Andersen M.-L.; Klein V.; Mouginot J.; Kjær K.H.; Andresen C.S.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:4
英文摘要	In recent years, several large outlet glaciers in Greenland lost their floating ice tongue, yet little is known regarding their stability over a longer timescale. Here we compile historical documents to demonstrate a major ice tongue collapse of Kangerlussuaq Glacier between 1932 and 1933. This event resulted in a 9-km retreat, exceeding any of the glacier's recent major retreat events. Sediment cores from the fjord are used to reconstruct sea surface temperatures and to investigate a potential sedimentological trace of the collapse. During the 1920s, local and regional sea surface temperatures and air temperatures increased rapidly, suggesting a climatic trigger for the collapse. Fjord bathymetry played an important role too, as the (partially) pinned ice tongue retreated off a submarine moraine during the event. This historical analogue of a glacier tongue collapse emphasizes the fragility of remaining ice tongues in North Greenland within a warming climate. © 2020. The Authors.
英文关键词	Atmospheric temperature; History; Oceanography; Submarine geophysics; Surface properties; Surface waters; Air temperature; Alkenones; Glacier retreat; Historical documents; North greenland; Sea surface temperature (SST); Sediment core; Warming climate; Ice; alkenone; floating ice; glacier retreat; moraine; sea surface temperature; sediment core; Arctic; East Greenland; Greenland; Kangerlussuaq Fjord; Kangerlussuaq Fjord
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170653
作者单位	Department of Glaciology and Climate, GEUS, Copenhagen, Denmark; Centre for GeoGenetics, University of Copenhagen, Copenhagen, Denmark; LOCEAN, CNRS, Sorbonne Université, Campus Pierre et Marie Curie, Paris, France; Department of Geological Sciences, University of Florida, Gainesville, FL, United States; University Grenoble Alpes, CNRS, Grenoble, France; Department of Earth System Science, University of California, Irvine, CA, United States
推荐引用方式 GB/T 7714	Vermassen F.,Bjørk A.A.,Sicre M.-A.,et al. A Major Collapse of Kangerlussuaq Glacier's Ice Tongue Between 1932 and 1933 in East Greenland[J],2020,47(4).
APA	Vermassen F..,Bjørk A.A..,Sicre M.-A..,Jaeger J.M..,Wangner D.J..,...&Andresen C.S..(2020).A Major Collapse of Kangerlussuaq Glacier's Ice Tongue Between 1932 and 1933 in East Greenland.Geophysical Research Letters,47(4).
MLA	Vermassen F.,et al."A Major Collapse of Kangerlussuaq Glacier's Ice Tongue Between 1932 and 1933 in East Greenland".Geophysical Research Letters 47.4(2020).