GSTDTAP  > 气候变化
DOI10.1029/2021GL093213
Widespread grounding line retreat of Totten Glacier, East Antarctica, over the 21st century
Tyler Pelle; Mathieu Morlighem; Yoshihiro Nakayama; Helene Seroussi
2021-08-16
发表期刊Geophysical Research Letters
出版年2021
英文摘要

Totten Glacier (TG), the primary ice discharger of East Antarctica, contains 3.85 m sea level rise equivalent (SLRe) ice mass and has displayed ocean-driven dynamic change since at least the early 2000s. We project TG's evolution through 2100 in an asynchronously coupled ice-ocean model, forced at the ocean boundaries with anomalies in CMIP6 projected temperature, salinity, and velocity. Consistent with previous studies, the Antarctic Slope Current continues to modulate warm water inflow towards TG in future simulations. Warm water (-0.5 – urn:x-wiley:00948276:media:grl62875:grl62875-math-0001C) accesses TG's sub-ice shelf cavity through depressions along the eastern ice front, driving sustained retreat of TG's eastern grounding zone that cannot be captured in uncoupled models. In high emission scenarios, warm water overcomes topographic barriers and dislodges TG's southern grounding zone around 2070, increasing the rate of grounded ice loss 3.5-fold (10 to 35 Gt/yr) and resulting in a total 4.20 mm SLRe loss by 2100.

领域气候变化
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/335993
专题气候变化
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Tyler Pelle,Mathieu Morlighem,Yoshihiro Nakayama,et al. Widespread grounding line retreat of Totten Glacier, East Antarctica, over the 21st century[J]. Geophysical Research Letters,2021.
APA Tyler Pelle,Mathieu Morlighem,Yoshihiro Nakayama,&Helene Seroussi.(2021).Widespread grounding line retreat of Totten Glacier, East Antarctica, over the 21st century.Geophysical Research Letters.
MLA Tyler Pelle,et al."Widespread grounding line retreat of Totten Glacier, East Antarctica, over the 21st century".Geophysical Research Letters (2021).
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