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消融区

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冰川學中,消融區(ablation zone)是指冰量每年「因消融而損失」超過「因降水而增加」的冰川區域。[1]

一般而言,以最熱月月均溫0°C的等溫線為界,分為堆積區和消融區。[來源請求]

山岳冰河

[编辑]

以最熱月月均溫0°C的等溫線為界,上游地勢較高,溫度較低,冰雪終年堆積,屬於冰河的堆積區;下游地勢較低,溫度較高,一旦溫度超過0°C,冰河便會使消融,屬於冰河的消融區。

大陸冰河

[编辑]

以最熱月月均溫0°C的等溫線為界,緯度較高者,溫度較低,冰雪終年堆積,屬於冰河的堆積區;緯度較低者,溫度較高,一旦溫度超過0°C,冰河便會使消融,屬於冰河的消融區。

參考資料

[编辑]
  1. ^ Helm, Nakita. A Comprehensive book on Glaciology. 2012. ISBN 9788132336914. 
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