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窟野河變清了——探訪(fǎng)含沙量最大的黃河支流

2019-09-26 09:06來(lái)源：新華網(wǎng)

溫家川水文站站長(cháng)鄭威在窟野河取沙（9月7日攝）。新華社記者劉詩(shī)平攝

窟野河，一條242公里長(cháng)的黃河支流，曾創(chuàng )下年輸沙量3．35億噸的歷史紀錄，含沙量達1700公斤每立方米，是世界河流中最大實(shí)測含沙量。也就是說(shuō)，1方水中含1700公斤沙，流入黃河的基本上是泥漿。

記者近日來(lái)到黃土高原上的窟野河，走進(jìn)實(shí)測到這條河流含沙量極值的水文站——溫家川水文站。然而，記者發(fā)現，過(guò)去含沙量極大的窟野河正在發(fā)生著(zhù)巨變。

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[責任編輯：李曉蕾]

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