Your textbook includes these as types, as a particular type of glacier movement, but you will see that there are as many textbooks that omit it as a type of movement as include it.

你们的课本中将这些分类，作为一种特殊类型的冰川运动，但是你们会发现，将其作为一种冰川运动类型的教科书和忽略这种类型的教科书同样多。

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This image taken in 2005 of Bear Glacier highlights the beautiful color of many glacial lakes.

这张摄于2005年的大熊冰川的图片突出体现了很多冰川都具有的美丽色彩。

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Any large mass of snow and ice on land, which lasts for many years, may be called a glacier.

陆地上的任何大块冰雪存积多年之后就可以叫做冰川。

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It can be dangerous for casual hikers to go onto the glacier or attempt many of the towering mountains in this part of the Chugach.

BBC: Accessible wilderness in Alaska��s largest city

To melt a glacier at an altitude above 6, 000 metres, where many of the Himalayan glaciers are found, requires a lot more warming than can be expected by 2035 a point made forcefully in a letter to Science by Dr Kaser and others, published this week.

ECONOMIST: Glaciers and the IPCC

"But, ' adds Mel Reasoner, Director of the Mountain Research Initiative, "in many arid and semi-arid areas, people are dependent not only on the amount of glacier melt water, but on the timing of the water flow.

UNESCO: 83e