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English: The Drake Passage influences the global surface temperature and Atlantic circulation. With a closed Drake Passage, there is no Antarctic Circumpolar Current (as the Pacific and Atlantic are not connected), no North Atlantic Deep Water cell, the Southern Hemisphere is warmer and the Northern Hemisphere is colder. Gradually deepening the Drake Passage, a lighter ACC appears, but with a DP of 690m depth there is still no NADW, and the Northern Hemisphere is still colder. Only with the current shape (width and depth) of the Drake Passage the Southern Hemisphere is cold enough for the Antarctic Ice Sheet to appear, and the Atlantic Circulation is strong enough for the Northern Hemisphere to warm. (adapted from [Sijp and England, 2003]) |
| Date | |
| Source | Own work |
| Author | EdoB99 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:54, 14 May 2021 | | 9,756 × 16,000 (4.48 MB) | EdoB99 | Cross-wiki upload from en.wikipedia.org |
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