Intense atmospheric rivers can weaken ice shelf stability at the Antarctic Peninsula

被引：85

作者：

Wille, Jonathan D. ^{[1
]}

Favier, Vincent ^{[1
]}

Jourdain, Nicolas C. ^{[1
]}

Kittel, Christoph ^{[1
,2
]}

Turton, Jenny, V ^{[3
,4
]}

Agosta, Cecile ^{[5
]}

Gorodetskaya, Irina, V ^{[6
]}

Picard, Ghislain ^{[1
]}

Codron, Francis ^{[7
]}

Leroy-Dos Santos, Christophe ^{[6
]}

Amory, Charles ^{[1
]}

Fettweis, Xavier ^{[2
]}

Blanchet, Juliette ^{[1
]}

Jomelli, Vincent ^{[8
]}

Berchet, Antoine ^{[5
]}

机构：

[1] CNRS UGA, Inst Geosci Environm, St Martin Dheres, France

[2] Univ Liege, Dept Geog, Lab Climatol, Liege, Belgium

[3] Friedrich Alexander Univ, Inst Geog, Erlangen, Germany

[4] Arctic Frontiers AS, Tromso, Norway

[5] Univ Paris Saclay, Lab Sci Climat & Environm, LSCE IPSL, CEA CNRS UVSQ, Gif Sur Yvette, France

[6] Univ Aveiro, CESAM Ctr Environm & Marine Studies, Dept Phys, Aveiro, Portugal

[7] Sorbonne Univ, LOCEAN, Paris, France

[8] Aix Marseille Univ, CNRS, IRD, Coll France,INRAE,CEREGE, Aix En Provence, France

来源：

COMMUNICATIONS EARTH & ENVIRONMENT | 2022年 / 3卷 / 01期

关键词：

SURFACE MASS-BALANCE; MELT; MODEL; VULNERABILITY; TEMPERATURE; COLLAPSE; IMPACTS; ENERGY; COVER;

D O I：

10.1038/s43247-022-00422-9

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The disintegration of the ice shelves along the Antarctic Peninsula have spurred much discussion on the various processes leading to their eventual dramatic collapse, but without a consensus on an atmospheric forcing that could connect these processes. Here, using an atmospheric river detection algorithm along with a regional climate model and satellite observations, we show that the most intense atmospheric rivers induce extremes in temperature, surface melt, sea-ice disintegration, or large swells that destabilize the ice shelves with 40% probability. This was observed during the collapses of the Larsen A and B ice shelves during the summers of 1995 and 2002 respectively. Overall, 60% of calving events from 2000-2020 were triggered by atmospheric rivers. The loss of the buttressing effect from these ice shelves leads to further continental ice loss and subsequent sea-level rise. Under future warming projections, the Larsen C ice shelf will be at-risk from the same processes.

引用

页数：14

共 23 条

[21] A comparative analysis between variations in wet snow zone and the main break-up and disintegration events in WILKINS ice shelf, Antarctic peninsula [J].

Lemos, Adriano ;

Arigony-Neto, Jorge ;

Mendes-Junior, Claudio Wilson ;

Costi, Juliana .

GLOBAL AND PLANETARY CHANGE, 2019, 177 :39-44

[22] Comparison of kilometre and sub-kilometre scale simulations of a foehn wind event over the Larsen C Ice Shelf, Antarctic Peninsula using the Met Office Unified Model (MetUM) [J].

Orr, Andrew ;

Kirchgaessner, Amelie ;

King, John ;

Phillips, Tony ;

Gilbert, Ella ;

Elvidge, Andrew ;

Weeks, Mark ;

Gadian, Alan ;

Munneke, Peter Kuipers ;

van den Broeke, Michiel ;

Webster, Stuart ;

McGrath, Daniel .

QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, 2021, 147 (739) :3472-3492

[23] Blowing Snow Contributes to Positive Surface Energy Budget and Negative Surface Mass Balance During a Melting Season of Larsen C Ice Shelf, Antarctic Peninsula [J].

Luo, Liping ;

Zhang, Jing .

GEOPHYSICAL RESEARCH LETTERS, 2022, 49 (10)

← 1 2 3 →