PNAS, September 14 Extensive open fractures have developed in the ice shelves of the Pine Island and Thwaites glaciers in the West Antarctic Ice Sheet, potentially priming them for future collapse. No such crevasses existed at the beginning of satellite records in 1997, with rapidly growing crevasse-damaged areas by 2019, accelerating since 2016. These damaged […]
在索尔兹冰川（Thwaites Glacier）的冰舌下方收集到的新地图以及更远海域的地图显示，存在着深 (> 1000 米) 且宽 (> 20,000 米) 的海沟，这些海沟引导着温暖的洋水流进入冰层之下，加速了融化，最终可能导致其崩塌。索尔兹冰川是西南极冰盖（WAIS）的一部分，面积相当于英国大小，[…]