#video | How to look like the Earth, if all the oceans dry?

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2020-02-03 12:20:10

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#video | How to look like the Earth, if all the oceans dry?

Earth without water looks like that.

cover most of our planet, including the longest mountain range in the world and "bridges" through which our ancestors could move from one continent to another. All of these facilities and areas are not visible to us under the water, but recently the employees of the space Agency NASA has published a video in which all this was shown clearly. The author of this video is a planetary scientist James O’Donohue (James O’Donoghue), who decided to show how would look our planet, if there was no water. Apparently, she remotely resembled Mars, but water on the Earth is unlikely to disappear any time soon, because it grows more because of a gradual increase in air temperature .

About the published video was presented in the publication . Actually, the original video was created back in 2008 Horace Mitchell, who worked as a NASA physicist and an animator. A planetary scientist James O’Donohue only slightly edited the animation speed and added an indicator of how much water disappears during the video. This video was more informative, because because of the slower action it became obvious that it was hardly noticeable before.

planet Earth without water

In the first minutes of the video, when the oceans begin to dry gradually, we become visible underwater edge of each continent, which are also known as continental shelves. According to James O’Donohue, he slowed the speed of the initial part of the video because I wanted to show the disclosure of remaining under water, out of the corner of every continent.

Some continental shelves, once upon a time was a land "bridge" through which the ancient people moved from one continent to another. For example, tens of thousands of years ago our ancestors had a great opportunity to quickly move from continental Europe to the UK, or from Siberia to Alaska. Also ancient could easily move to the surrounding continent of the island without the construction of swimming facilities.

the Ancient inhabitants of Australia were free to move on the neighboring Islands

James O’Donohue explained that, before such land bridges existed thanks frozen during the Ice age the water. Once this period has passed, the water began to melt and light passages between the continents disappeared. It turns out that if the temperature of our planet will continue to rise in the future, we may lose the passages between the continents that we have at the moment.

I like how this animation shows that the ocean bottom is as variable and interesting in its Geology, and continents. The devastation of the seas reveals to us not only the bottom of the ocean, but also the ancient history of mankind — shared James O’Donohue.

Also in the video you can see the so-called mid-ocean ridge. This network of ridges extends for 60,000 km around the globe, with more than 90% of its area is covered by water. You may notice that almost all the ridges located in the Central parts of all oceans.

If you follow the video attached to scale the depths of the oceans, you notice that the disappearance of 6000 meters of water, almost all the water disappears. But she completely disappeared, you need to wait until about 5000 meters that fill .

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