GSTDTAP  > 气候变化
DOI10.1029/2019GL086821
Aurora Basin, the Weak Underbelly of East Antarctica
Pelle, Tyler1; Morlighem, Mathieu1; McCormack, Felicity S.2,3
2020-05-16
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2020
卷号47期号:9
文章类型Article
语种英语
国家USA; Australia
英文摘要

The East Antarctic Ice Sheet (EAIS) has the potential to raise global sea levels by similar to 52 m. Here, we model the evolution of select EAIS catchments to 2100 using three basal melt rate parameterizations and force our model with surface mass balance and ocean thermal anomalies from 10 global climate models. While the domain loses mass under low-emission scenarios, it gains similar to 10-mm sea-level rise equivalent ice volume (SLRe) under high-emission scenarios. The primary region of thinning is within 50 km upstream of Totten Glacier's grounding line. Totten's glacial discharge is modulated by the migration of its grounding line, which is sensitive to brief intrusions of ocean water at temperatures higher than present. Once the grounding line is dislodged, Totten's ice velocity increases by up to 70% of present-day values, resulting in similar to 6-mm SLRe loss from this sector.


英文关键词Aurora Antarctica Totten modeling mass balance
领域气候变化
收录类别SCI-E
WOS记录号WOS:000536639500055
WOS关键词SURFACE MASS-BALANCE ; ICE-SHEET ; TOTTEN GLACIER ; OCEAN ACCESS ; MELT RATES ; SHELF ; DYNAMICS ; RETREAT ; BENEATH
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/279909
专题气候变化
作者单位1.Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA 92697 USA;
2.Univ Tasmania, Inst Marine & Antarctic Studies, Hobart, Tas, Australia;
3.Sch Earth, Atmosphere, Hobart, Tas, Australia
推荐引用方式
GB/T 7714
Pelle, Tyler,Morlighem, Mathieu,McCormack, Felicity S.. Aurora Basin, the Weak Underbelly of East Antarctica[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(9).
APA Pelle, Tyler,Morlighem, Mathieu,&McCormack, Felicity S..(2020).Aurora Basin, the Weak Underbelly of East Antarctica.GEOPHYSICAL RESEARCH LETTERS,47(9).
MLA Pelle, Tyler,et al."Aurora Basin, the Weak Underbelly of East Antarctica".GEOPHYSICAL RESEARCH LETTERS 47.9(2020).
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