Volcanic desert

A volcanic desert is an area devoid of vegetation because of volcanic activity. Usually the term is applied to larger areas such as the Highlands of Iceland or Cordón Caulle in Chile. Volcanic deserts may have enough precipitation to sustain vegetation, but due to repeated covering of tephra after eruptions and high percolation and infiltration rates of water, vegetation is scarce. In addition to this volcanic desert shows often poor or little soil formation due to slow chemical weathering caused by cold climate or resistant felsic tephra.

单词	Volcanic desert
释义	Volcanic desert 原声例句加州的群山（上） I observed their gestures and the various expressions of their corollas, inquiring how they could be so fresh and beautiful out in this volcanic desert. 我观察着它们的姿态和花冠的各种表情，想知道它们在这火山沙漠里怎么会如此清新美丽。英语百科 Volcanic desert A volcanic desert is an area devoid of vegetation because of volcanic activity. Usually the term is applied to larger areas such as the Highlands of Iceland or Cordón Caulle in Chile. Volcanic deserts may have enough precipitation to sustain vegetation, but due to repeated covering of tephra after eruptions and high percolation and infiltration rates of water, vegetation is scarce. In addition to this volcanic desert shows often poor or little soil formation due to slow chemical weathering caused by cold climate or resistant felsic tephra.
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