The average area of an erg is about 200,000 km2 , with the Rub' al-Khali Erg in the Arabian Peninsula covering over 560,000 km2 . The sandy desert consists of a flat sandy plain (sand sheet, also called a sand sea) with no undulations other than wind ripples, and a depositional topography of sand dunes. *Some of the terminology that mentions "sand sheet" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…エルグの平均的な面積は約20万km2で,アラビア半島のルブー・アルハーリー・エルグは56万km2以上を占める。砂砂漠は,風紋以外には起伏のまったく見られない平たんな砂原(砂床(さしよう)sand sheet。砂海ともいう)と砂丘の堆積地形からなる。… ※「sand sheet」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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