冰川侵蚀
- 网络GLACIAL EROSION;glacier erosion;freeze-thaw erosion
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研究人员发现,越往北越温暖的地方,冰川侵蚀速度较快,而较冷的南方则较慢。
They found that erosion happened faster in the warmer mountains to the north , and more slowly in the colder mountains in the south .
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然而冰川侵蚀的迹象——碗状的盆地,即盆地谷——在峡谷的很长一段距离里都神秘消失了。
Yet the telltalesigns of that glacial erosion - bowl-shaped basins known as cirques - are mysteriously absent for a long stretch of the ravine .
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来自亚利桑那大学的科学家团队,在南美的巴塔哥尼亚的偏远地区研究了山脉。安第斯山脉正在拔高。滚烫的熔岩冲上顶端,但是冰川的侵蚀又让它们退到一边去。
A team led by scientists from the University of Arizona studied mountains in remote areas of Patagonia in South America.The Andes are actively growing .
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北京——多年来,中外冰川学家称,气候变化是导致冰川侵蚀的主要原因,而冰川的退缩危及了许多人的水资源供给。
BEIJING - Glaciologists in China and elsewhere have said for years that climate change is the main cause of glacier erosion , which threatens the water sources of much of humanity .
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由于北大山冰川遗迹中的节理裂隙,受到冰川和流水侵蚀,特别是长期强烈的寒冻风化及风蚀等外动力作用,逐渐形成了现今独特的花岗岩石林。
Due to those joints within glacial remains were eroded by glacier and running water action , especial exogenous process of frost weathering and wind abrasion for a long time , the unique granite forest was gradually formed nowadays .