格陵兰岛和南极洲的冰层正在消融——第1级
25-09-2026 07:00
一项大型研究表明，自1979年以来，格陵兰岛和南极洲的冰层大量消融。暖水和暖空气正使冰层迅速融化。
这些流失的冰导致全球海平面上升了3.2厘米。海平面上升会引发大规模洪水，这对居住在沿海地区的人们来说非常危险。海平面每上升1厘米，就可能导致数百万户家庭被淹。
科学家们分析了长达四十年的卫星图像。他们表示，过去冰层状况尚可，但如今每年融化速度都在加快。如果全球变暖趋势持续，海平面将不断上升。
您可以在“第3级”栏目中观看原版视频。
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由于冰川消融，全球海平面上升了多少厘米？
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