periglacial process

Japanese: periglacial process(英語表記)periglacialprocess
periglacial process

...Shallow, cirque-like valleys in snowy regions are often treated as nivation cirques. Geomorphic processes in relatively cold climates, including snow erosion and frost erosion, are collectively called periglacial processes.
[Other erosive actions]
Mass wasting is a type of erosion that is not caused by any specific external action but occurs when unconsolidated material, such as weathered layers on a slope, is moved by gravity.

*Some of the terminology that mentions "periglacial process" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…多雪地域のカール状の浅い谷は雪食圏谷nivation cirqueとして扱われることが多い。雪食や霜食などを含む比較的寒冷な気候下での地形営力は周氷河作用periglacial processと総称される。
[その他の浸食作用]
 特定の外作用によらないが,斜面上の風化層など未固結物質が重力によって移動されるタイプの浸食がマス・ウェースティングmass wasting(マス・ムーブメント)である。…

※「periglacial process」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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