Cracks and ice tunnels may be allowing some water to flow through; a bridge across the river downstream has been washed out from one water surge so far.

冰中自然形成的裂缝和隧道可能会允许一些河水流过去，而目前河下游的一座桥已经被河水冲击所侵蚀。

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In this process the water can refreeze, creating additional cracks in the more vulnerable warm ice, according to the study.

根据该项研究，在这个过程中，水可以重新冻结，在更脆弱的暖冰中造成更多裂缝。

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Ice flowers are formed on new layers of sea ice, from saturated water vapors that come up from under the ice through cracks.

冰花在海水冰面的新层形成，这些饱和海水的水汽透过裂缝从冰层下面出来。

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Changes in the winter wind field broke up floating sea ice to create cracks that suggest the "opening of a Venetian blind, " said Dr Serreze.

BBC: Record ice loss in Arctic

Where there is a risk tractors usually have a radar probe protruding in front of them looking for cracks in the ice.

BBC: Internet to reach South Pole

The geometric cracks are likely caused by the repeated freezing and thawing of buried ice.

NPR: Phoenix Sends Color Photos of Mars to NASA