在南极主要冰川下发现巨大的暖水通道

在索尔兹冰川(Thwaites Glacier)冰舌下方采集的新地图以及更远的海域显示,那里存在深(> 1000 米)而宽(> 20,000 米)的通道,将温暖的海水引导至冰层之下,加速融化,最终可能导致冰川崩塌。索尔兹冰川是西南极冰盖(WAIS)的一部分,其面积相当于英国,自 1992 年以来,它占西南极冰盖年质量损失的 55%。这些通道对暖水流向、冰川稳定性以及西南极冰盖的其余部分起着根本性的控制作用。仅这座冰川的崩塌就可能导致全球海平面上升超过 65 厘米。.

https://tc.copernicus.org/articles/14/2869/2020/
https://tc.copernicus.org/articles/14/2883/2020/

艾米·伊姆迪克编

帕姆·皮尔森

最新帖子

Lakes at the Edge of the Greenland Ice Sheet Increase Ice Loss, Sea-level Rise

Nature Communications, 1 April 2026 A growing network of meltwater lakes along the edge of…

6 天 ago

Arctic River Rusting Driven by Iron Release from Permafrost Thaw

Nature Communications, 6 April 2026 Arctic warming increases the amount of iron draining out of…

6 天 ago

Northern Arctic Vegetation Takes Decades to Recover Following Abrupt Permafrost Thaw

Nature Climate Change, 30 March 2026 Rising temperatures increase the frequency of retrogressive thaw slumps…

6 天 ago

Only Low Emissions Scenarios Slow Growth in Antarctic Surface Melt

Nature Communications, 30 March 2026 Surface melting in Antarctica is projected to increase this century,…

6 天 ago

COP30 Video of the Week: Monitoring Global Permafrost Thaw and Climate Feedbacks

Permafrost is a critical component of the global climate system because its thaw releases vast…

6 天 ago

Shutdown of AMOC Could Release Ocean Carbon, Increasing Global Warming

Communications Earth & Environment, 27 March 2026 The potential collapse of the major system of…

1 周 ago