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社评“专约老阿姨精神小伙返场是真的吗”-环球时报

水往高处流?南水专约老阿姨精神小伙返场是真的吗北调东线帮水“攀登”了40米

来源: 四川日报
2024-12-11 22:57:40

最佳回答

“专约老阿姨精神小伙返场是真的吗”水往高处流?南水专约老阿姨精神小伙返场是真的吗北调东线帮水“攀登”了40米

  目前专约老阿姨精神小伙返场是真的吗,南水北调东线一期工程启专约老阿姨精神小伙返场是真的吗动了2024—2025年度全线调水,供水范围涉及济南、青岛等13个市。目前调水情况如何?

  南水北调东线年度调水工作启动

  总台记者 宋文瑾:这里是台儿庄泵站,也是“南水北调”东线工程长江水进入山东的“第一站”。水渠里的水翻动着波纹,这是因为水下有水泵在运转。本次东线的调水会持续到明年五月底,调水量是11.25亿方,这个数字是什么概念呢?它相当于约80个西湖的水量。

  南水北上 如何实现“水往高处流”

  通过无人机航拍可以看到,台儿庄泵站旁边就是京杭大运河,南水北调东线工程就是使用京杭大运河和一些南北向的现成河道来“运水”。沿线还有多个湖泊作为天然调蓄水库,过程看似很顺畅,但其实不然,东线存在一个明显的地势差,山东调水线路中的最高地势比调水起点高了约40米,相当于13层楼的高度。为了实现“水往高处流”,南水北调东线沿线建设了13级泵站,台儿庄泵站就是其中之一。

  台儿庄泵站的调水过程,也是让水上升高大约3米的过程。是怎么做到的呢?用微观模型演示下,当水泵开启的时候,下面的叶轮就会不断旋转,从而让水上升,最终实现“水往高处流”。

  南水北调 让大运河重焕生机

  不远处的韩庄运河,每天都有许多船只在上面穿梭,这里之所以能够常年通航稳定,也离不开南水北调工程。河道水位智慧监测系统,可以显示大运河的实时水位。

  可以发现,大运河水位变化非常平稳,这是因为泵站在不断地补充调节大运河的水位,这里再也不会像过去那样到枯水季就通航困难。现在这个河段年通过船舶可以达到10余万艘次。

  此外,南水北调改善了沿途受水区的生态。记者这些天附近经常能看到白鹭,就在泵站不远处有一个湿地公园,因为调水工程同时补充了湿地的水源,现在那里已成了黑天鹅、斑头雁等候鸟的“乐园”。

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