一般而言,以最热月月均温0°C的等温线为界,分为堆积区消融区

山岳冰河

以最热月月均温0°C的等温线为界,上游地势较高,温度较低,冰雪终年堆积,属于冰河的堆积区;下游地势较低,温度较高,一旦温度超过0°C,冰河便会使消融,属于冰河的消融区。

大陆冰河

以最热月月均温0°C的等温线为界,纬度较高者,温度较低,冰雪终年堆积,属于冰河的堆积区;纬度较低者,温度较高,一旦温度超过0°C,冰河便会使消融,属于冰河的消融区。

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