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Topics - DrTskoul

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Consequences / Deep Ocean Mining
« on: June 06, 2017, 12:38:58 PM »
Is deep sea mining vital for a greener future, even if it destroys ecosystems? “Mining will be the greatest assault on deep-sea ecosystems ever inflicted by humans”

(The Guardian) – Mining the deep ocean floor for valuable metals is both inevitable and vital, according to the scientists, engineers, and industrialists exploring the world’s newest mining frontier.

The special metals found in rich deposits there are critical for smart electronics and crucial green technologies, such as solar power and electric cars. But as the world’s population rises, demand is now outstripping the production from mines on land for some important elements.

Those leading the global rush to place giant mining machines thousands of metres below the sea surface say the extraordinary richness of the underwater ores mean the environmental impacts will be far lower than on land. But critics say exotic and little-known ecosystems in the deep oceans could be destroyed and must be protected...


From The Guardian

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Science / Ice Thickness Literature and Science
« on: February 11, 2017, 06:10:18 PM »
PETROGRAPHIC CHARACTERISTICS OF YOUNG SEA ICE,POINT BARROW, ALASKA

A pilot study is made of interrelations between structural features readily observed inhorizontal thin sections of sea ice under low magnification. The core used was 31.4 cm inlength and was collected from Elson Lagoon, Point Barrow, Alaska on 26 October, 1960.The growth of the ice sheet from its formation on 1 October to the time of sampling can bedescribed by....


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