A large amount of freshwater is found beneath the continental shelf
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There are about 1.4 billion cubic kilometers of water on the earth, 97% of which is seawater and only about 3% of freshwater, and it is said that even less freshwater can be used as drinking water. The world's population is growing to the point of being called a population explosion, and some researchers are worried about a serious water shortage problem in the future, but a professor at an Australian university discovered a low-salt freshwater resource beneath the seabed and water shortage. Can be a solution to.
Offshore fresh groundwater reserves as a global phenomenon: Nature: Nature Publishing Group
http://www.nature.com/nature/journal/v504/n7478/full/nature12858.html
Vast freshwater reserves found beneath the oceans --ScienceDaily
https://www.sciencedaily.com/releases/2013/12/131208085304.htm
Professor Vincent Post of Flinders University in Australia revealed in his paper that freshwater resources exist under the seafloor of the continental shelf located in Australia, China, North America and South America. According to Professor Post, the freshwater resources discovered are about 500,000 cubic kilometers, which is more than 100 times the amount of all water pumped from the surface of the earth in the 100 years since 1900.
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Scientists studying groundwater in the past have pointed out that freshwater is buried under the seafloor, but it was thought that freshwater was generated only in a fairly special environment. .. 'This discovery shows that freshwater exists under the continental shelf, which is everywhere in the world, even if it's not in a confined environment,' says Professor Post.
According to Professor Post, the rain that fell from the sky thousands of years ago, when the sea level was still lower than it is now, penetrated the ground and accumulated underground, covering the sea level that began to rise about 20,000 years ago. , I heard that it was hidden. The freshwater found is similar in composition to groundwater that is drunk as drinking water all over the world, and its salt content is low, so it is not difficult to treat it as drinking water.
By US Army RDECOM
It is possible to convert the discovered freshwater into drinking water, but there is the problem of 'how to extract freshwater'. Pumping fresh water from the basement of the continental shelf is very expensive and the impact on the surrounding environment must be considered. 'The freshwater discovered this time cannot be recycled, and once it is used up, it is necessary to be careful when using it,' Post warns.
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