Extremely cold desert soil

Japanese: 極寒砂漠土 - きょっかんさばくど
Extremely cold desert soil


[Zonal soil type]
(1) Soil types in polar regions and cold regions In polar regions, it is becoming clear that, unlike the conventional belief, physical weathering is not the only process that occurs, but that chemical weathering, with the participation of living organisms, reaches deep into the rocks. In the polar periglacial deserts not covered by the Antarctic ice sheet, there exists freeze-dried cold desert soil that does not contain humus and is composed of the accumulation of salts such as carbonates and gypsum. It is unclear whether cold desert soil is distributed in the Arctic region.

*Some of the terminology that refers to "extremely cold desert soil" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[成帯性土壌型]
 (1)極地および寒帯の土壌型 極地では,これまで一般に考えられていたように物理的風化作用だけが進行しているのではなく,生物の参加によって化学的風化作用が岩石の深部まで達していることが明らかになってきている。南極の氷床におおわれていない極地周氷河砂漠には,腐植を含まない,炭酸塩やセッコウなどの塩類の集積した,凍結乾燥した極寒砂漠土が存在する。極寒砂漠土が北極地方に分布するかどうかは不明である。…

※「極寒砂漠土」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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