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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


outwash 平原

Water bodies; Glaciers

廣泛、 低邊坡角的沖積平原區組成的極度侵蝕的排序 (稱為 outwash) 的沉積物融水經運輸。沖積扇平原山腳下的冰川開始,並可延長數英里。通常,沉積物成為填料細微性與從冰川總站距離的增加。 ...

羅氏 moutonnee

Water bodies; Glaciers

冰川侵蝕產細長、 圓角、 不對稱的基岩旋鈕。它有一個平緩的斜坡上冰川側和陡垂直-面下冰川一側的 。


Water bodies; Glaciers

幾個山體滑坡產生的偉大的阿拉斯加地震受難 1964 年下降,所以命名阿拉斯加楚加奇山冰川表面。


Water bodies; Glaciers



Water bodies; Glaciers

坐落于冰川的總站一個湖。通常情況下,這些湖泊形成的冰川沖刷的基岩盆地。他們擴大為冰川退卻的 。的有時候他們通過結束或 Recessional ...


Water bodies; Glaciers

溫冰川擴張與地球上的進展的最新的時間間隔。這是在多個位置開始前和繼續進入 20 世紀的 ~ 650 年的 。在北美、 南美、 非洲、 歐洲和亞洲的溫帶冰川受到影響。 ...


Water bodies; Glaciers

跨流域、 脊樣積累的形式在總站的前進冰川所達成的最遠點的冰川沉積物。

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