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atlas-v7x — Coastlines of the Ice Age
#map #earth #iceage
Published: 2017-06-07 07:35:50 +0000 UTC; Views: 24424; Favourites: 157; Downloads: 463
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Description
This map shows how the coastlines of the world may have appeared during the Last Glacial Maximum, around 21,000 years ago, when sea levels were approximately 125 meters (410 feet) below present. This map doesn't include any of the large paleolakes of the time period, it's intended to mainly just show extra land and the different coastlines.
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Comments: 10
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A little nitpick, I'm wondering if there's a problem with the Mediterranean and the Black Sea. I seem to remember they were at a lower level at the time showing different coasts.
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The Mediterranean was the same sea level as the rest of the ocean at -125m which is shown here. The Black Sea was in fact higher than present day, as rivers such as the Ob River of Russia which drains north towards the Kara Sea of the Arctic, were blocked off by the ice sheets. This ice dam created a large lake which flowed all the way back raising the levels of the Aral Sea, the Caspian Sea, and the Black Sea. Here's a map I made which shows how that might have looked
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I did some reading about this, and I think you were right about the Black Sea being lower at Glacial Maximum. It seems this flooding would have happened just after the maximum, not during, but I'm still confused about the exact time period since surely the flooding would have had to have happened while there was still an ice dam in the north.
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I read that the Gibraltar strait was blocked by rocks at the time and so were the Dardanelles/Bosphorus. Some archeologist even think that the biblical flood is a story based on the flooding of the Black Sea and that climate refugees fleeing south brought the story to babylon. The hebrews might have write the Old Testament during their exile here.
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