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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.
Industry: Water bodies
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Glaciers
均衡
Water bodies; Glaciers
地球內部的變化之間的平衡地殼的和披風,那裡的材料流離失所 (等靜壓抑鬱症) 增加回應或在任一點在地球表面以上的大量減少 (等靜壓回彈)。這種變化通常由研究進展或冰川的務虛會導致。 ...
小冰期
Water bodies; Glaciers
最近的間隔內的溫帶冰川擴張和地球上的進展。這是在多個位置開始 ~ 650 多年前和繼續了入 20 世紀的 。溫帶冰川在北美、 南美、 非洲、 歐洲和亞洲受到的影響。 ...
德魯姆林
Water bodies; Glaciers
由移動在床上的一條冰川的冰雕刻的冰川沉積物瘦長的山脊。一般情況下,向下-冰川末端是橢圓形或圓角和向上-冰川末端逐漸變細。形狀常被比作倒立、 鈍器結束的獨木舟。雖然不常見在阿拉斯加,drumlins 覆蓋地區的東部和中西部美國 ...
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