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giant ripple
arabic, desert.
巨型沙纹
desert.
巨型沙纹
(撒哈拉和阿拉伯半岛,指荒漠地区粗沙所形成的低矮沙垄或在复合沙丘或线形沙丘丘间低地所形成的低矮沙垄。这种沙垄无滑落面,无植被)
;
横向波状沙垄
(指复合沙丘特别是线形沙丘的低洼处所形成的波状横向沙垄,大多为粗沙,无植被,无滑落面。沙面紧实,为鲸背沙丘 (whaleback) 的同义词)
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