Blowout dune

Japanese: blowout dune(英語表記)blowoutdune
Blowout dune

...As a result, the ground is uniformly lowered or partially hollowed out, leaving behind elliptical deflation hollows several meters deep and several tens of meters in diameter. In cases where the cliffs of a plateau are made of sand, wind erosion cuts the sand layer and blows out the plateau surface, creating hairpin-shaped eroded sand dunes (blowout dunes). In Japan, examples of this can be seen at Ajigaura, which faces the Kashima Nada Sea, and near Shiriyazaki on the Shimokita Peninsula.

*Some of the terminology that mentions "blowout dune" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…そのため地面は一様に低められたり,部分的にくぼまされたりして,深さ数m,径数十mの楕円形の風食凹地deflation hollow(風食窪ともいう)が残される。台地の海崖が砂層からなる場合など,風食が砂層を削り台地面を吹き削って(ブローアウトblowout),平面がヘアピン形の浸食砂丘(ブローアウト砂丘blowout dune)を生ずる。日本では鹿島灘に面する阿字ヶ浦や下北半島尻屋崎付近にその例がある。…

※「blowout dune」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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