南极洲西部的冰川退缩始于 20 世纪 40 年代，由于气候变化，思韦茨冰川每年损失 500 亿吨冰。 West Antarctica's glacial retreat began in the 1940s, with Thwaites Glacier losing 50 billion tons of ice annually due to climate change.

发表在《PNAS》杂志上的一项新研究表明，西南极洲的冰川显着退缩始于 20 世纪 40 年代，这与之前对松岛冰川的研究相吻合。 A new study published in the journal PNAS reveals that significant glacial retreat in West Antarctica began in the 1940s, coinciding with a previous study on Pine Island Glacier. 思韦茨冰川是世界上最宽的冰川，每年流失约 500 亿吨冰，使其稳定性岌岌可危。 The Thwaites Glacier, the world's widest glacier, has been losing about 50 billion tons of ice per year, putting it in a precarious position regarding its stability. 冰川退缩的变化不是随机的，而是更大的气候变化背景的一部分。 The change in glacial retreat is not random and is part of a larger context of climate change.