地球上的淡水会用光吗

2025-02-05 19:42:52
推荐回答(4个)
回答1:

地球上的水是能循环利用的,因此水不会被用光。
地球上有很多水,但是我们人类能直接利用的水却很少。地球上的水有97、47%是咸水,包括海水、咸水湖的水、高矿化的地下水等,这些水含盐量大,很难直接利用。
地球淡水大约有.35亿立方千米,占总水量的2、53%。而这些淡水大部分是以冰雪的固态形式存在于南北两极、高山冰川、大陆冰盖和永久冻土层中。
以我们现有的技术条件,这些淡水也很难开发利用。再加上深层地下水很难开采,地球淡水的99、66%不能为人所用。

回答2:

不会,淡水不止有河流湖泊水,还有冰川也属于淡水,同时加上大气运动,即使陆地上没水了,海洋上的水也会通过蒸发水汽输送到达陆地形成降水。也就是说水在地球上是动态的,并不是静止不动,除非哪天没有陆地了,全部都是海洋,也说不好,还有两极,只要两极有冰川就有淡水

回答3:

有人类的情况下不会

回答4:

地球上的水从哪来的水会被用光吗

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