AMOC Stabilization Under the Interaction With Tipping Polar Ice Sheets

被引：10
作者：
Sinet, S. [1 ,2 ]
von der Heydt, A. S. [1 ,2 ]
Dijkstra, H. A. [1 ,2 ]
机构：
[1] Univ Utrecht, Inst Marine & Atmospher Res Utrecht, Dept Phys, Utrecht, Netherlands
[2] Univ Utrecht, Ctr Complex Syst Studies, Dept Phys, Utrecht, Netherlands
来源：
GEOPHYSICAL RESEARCH LETTERS | 2023年 / 50卷 / 02期
关键词：
tipping; tipping cascade; domino effect; AMOC; WAIS; GIS; MERIDIONAL OVERTURNING CIRCULATION; PINE ISLAND GLACIER; THERMOHALINE CIRCULATION; STABILITY; COLLAPSE; POINTS; MODELS; SENSITIVITY; THRESHOLDS; ANTARCTICA;
D O I：
10.1029/2022GL100305
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Several large-scale components of the climate system may undergo a rapid transition as critical conditions are exceeded. These tipping elements are also dynamically coupled, allowing for a global domino effect under global warming. Here we focus on such cascading events involving the Greenland Ice Sheet (GIS), the West Antarctica Ice Sheet (WAIS) and the Atlantic Meridional Overturning Circulation (AMOC). Using a conceptual model, we study the combined tipping behavior due to three dominant feedbacks: the marine ice sheet instability for the WAIS, the height-surface mass balance feedback for the GIS and the salt-advection feedback for the AMOC. We show that, in a realistic parameter range of the model, a tipping of the WAIS can inhibit cascading events by preserving the AMOC stability.
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页数：9
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