They ignored the erosion of the mountain by the volcanic ash!

他们忽视了山体被火山灰腐蚀的迹象！

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"What we show is that, once the mountain is pushed up across the snow line, a very effective erosion agent comes into play and that is represented by glaciers," said Egholm.

我们想揭示的就是，一旦山峰被抬高并越过雪线，以冰川为代表的十分明显的侵蚀作用就开始活跃起来。

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Environmental scientists need GIS software to model erosion in coastal areas and mountain valleys.

环境科学家需要GIS软件来模拟沿海区域和山谷的侵蚀。

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Set on the vertiginous site of a granite mountain sculpted by erosion and dominating a meander in the Rio Urubamba, Machu Picchu is a world renowned archaeological site.

UNESCO: MEDIA SERVICES

And other factors driving global change, like radiation, soil erosion, changing soil conditions and demographic pressures, are also very noticeable in mountain regions.

UNESCO: 83e