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Glaciers

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. Glaciers slowly deform and flow due to stresses induced by their weight, creating crevasses, seracs, and other distinguishing features. They also abrade rock and debris from their substrate to create landforms such as cirques and moraines. Glaciers form only on land and are distinct from the much thinner sea ice and lake ice that form on the surface of bodies of water.

Contributors in Glaciers

Glaciers

Water bodies; Glaciers

孤立熔煉品質的冰川冰就成為脫離其源,冰川的其餘部分。一些遺留蓋很多平方英里。

esker

Water bodies; Glaciers

蜿蜒、 水存放、 一般陡峭沙嶺冰川下或 englacial 流通道內形成。及其地板可以是基岩、 泥沙、 或冰。冰川融化 隨後公開存款。一般由階層式砂、 礫石層、 蛇形可以範圍從腳到英里的長度,可能會超過 100 ...

芯冰磧

Water bodies; Glaciers

懸垂性泥沙覆的停滯冰塊組成的冰磧嶺。

冰漂流

Water bodies; Glaciers

遠離的冰山冰緣冰川沉積物的運輸。用冰浮運並存放在海洋中的泥沙被稱為末次冰期海洋沉積物。存放在湖泊中,它被稱為冰川湖泊沉積。

不穩定

Water bodies; Glaciers

岩石的未指定的形狀和大小,由冰川或冰山運輸重大的距離,從它的起源及存放的冰融化。礫卵石大小範圍到大於一棟房子和通常組成不同的是,他們交存的基岩或沉積物。 ...

電水壺

Water bodies; Glaciers

由融化的冰川冰就是從正在撤退的冰川距分隔與其後埋冰川沉澱法原位塊 outwash 平原或其他冰磧中形成的經濟蕭條。如埋的冰融化,大蕭條將放大。

岩粉

Water bodies; Glaciers

通過移動冰的基地和兩邊冰川的基岩的力學侵蝕而形成的細細微性、 淤泥大小泥沙。當它進入流時,它會在流棕色、 灰色、 閃光的藍綠色,或乳白色白的顏色。也稱為冰川麵粉或冰川牛奶。 ...

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