Content of carbon, nitrogen, Ca/Na value in palsa massifs of the Northern Hem...

The palsa and lithalsa are reliable indicators of the presence of permafrost, especially on its southern border. The subject of the study is the consideration of the C/N ratio...泥炭丘（palsa）与岩质冻胀丘（lithalsa）是多年冻土存在的可靠指示物，尤其在多年冻土分布的南部边界区域。本研究的核心主题为对碳氮比（C/N ratio）的探讨……