...As sheet erosion progresses, small undulations and grooves form, and as runoff accelerates, the erosion expands (crack erosion, trickle erosion). When erosion progresses further and the soil is dug deep, forming a ravine, this is called canyon erosion (crevice erosion). Water erosion caused by melting snow or ice is called thaw erosion. *Some of the terminology that refers to "canyon erosion" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…面状浸食が進行すると小さな起伏や溝を生じ,流去水の加速とともに浸食が拡大する(雨裂浸食,細流浸食)。さらに浸食が進み土壌が深くえぐられ峡谷が形成されたものを峡谷浸食(地隙(ちげき)浸食)という。水食のうち融雪や融氷に起因するものを融凍浸食という。… ※「峡谷浸食」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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