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社评“美国一面亲上边一面膜下边”-环球时报

宁夏中卫现美国一面亲上边一面膜下边“翡翠黄河”景观

来源: 环球网
2025-02-27 12:56:34

最佳回答

“美国一面亲上边一面膜下边”宁夏中卫现美国一面亲上边一面膜下边“翡翠黄河”景观

  近日美国一面亲上边一面膜下边,在黄河宁夏中卫段,黄河水一美国一面亲上边一面膜下边改往日的浑黄,出现了一种罕见的“翡翠色”奇观。静静地流淌在两岸崇山峻岭当中,绿波荡漾,宛如一块巨大的翡翠,令人惊叹不已。

  此次“翡翠黄河”现象的成因,主要有两方面因素:一是冬末春初时节,气温较低导致黄河水含沙量显著减少,水流速度放缓,泥沙得以沉淀,进而提升了水体的透明度;二是清澈的水体在阳光照射下发生折射,与两岸山色的倒影相互叠加,共同营造出独特的翡翠绿视觉效果。

  (谢宇 视频来源 中卫市新闻传媒中心)

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