…The rest of the world is rocky desert, which is mainly a desert with exposed rocks. It develops in mountainous areas, plateaus, and inland basins, and various arid landforms such as inselbergs, pediments, yardangs, and blowouts are seen. Rocky deserts are called hamadas (derived from the Arabic name for the plateau desert found in the Sahara). They can be either exposed rock beds rubbed with sand or gravel deserts, where gravel and debris cover the rock beds. The ground covered with gravel is the result of deflation blowing away sand and dust, leaving behind gravel and boulders, and is called desert pavement in Australia, or gibber plain in Australia. … *Some of the terminology that mentions "hamada" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…その他の大部分を占める岩石砂漠はおもに岩石が露出している砂漠で,山岳地,高原,内陸盆地などに発達し,インゼルベルク,ペディメント,ヤルダン,ブロー・アウトなど種々の乾燥地形が見られる。岩石砂漠はハマダhamada(サハラ砂漠に見られる高原砂漠のアラビア語の呼び名hammadaに由来)といわれ,砂などでこすり磨かれた岩石床が露出する場合と,岩石床の上を礫,岩屑がおおう礫砂漠の場合とがある。礫が敷きつめたように集中して堆積している地面は,デフレーションにより砂塵が吹き飛ばされて礫や岩塊などが残った結果生じたもので,デザート・ペーブメントdesert pavement,オーストラリアではギバー・プレーンgibber plainという。… ※「hamada」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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