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from the don't-care-I-live-in-amundsen-scott-base dept.
The research co-led by Drs. Christelle Not and Benoit Thibodeau from the Department of Earth Sciences and the Swire Institute of Marine Science, The University of Hong Kong, highlights a dramatic weakening of the circulation during the 20th century that is interpreted to be a direct consequence of global warming and associated melt of the Greenland Ice-Sheet. This is important for near-future climate as slower circulation in the North Atlantic can yield profound change on both the North American and European climate but also on the African and Asian summer monsoon rainfall. The findings were recently published in the prestigious journal Geophysical Research Letters.
[...] Interestingly, the research team also found a weak signal during a period called the Little Ice Age (a cold spell observed between about 1600 and 1850 AD). While not as pronounced as the 20th century trend, the signal might confirm that this period was also characterized by a weaker circulation in the North Atlantic, which implies a decrease in the transfer of heat toward Europe, contributing to the cold temperature of this period. However, more work is needed to validate this hypothesis.
https://www.eurekalert.org/pub_releases/2018-11/tuoh-oci112318.php
(Score: 1, Offtopic) by Username on Sunday December 02 2018, @11:41PM
I like that they make a bunch of assumptions, and have no way to prove it. Like assuming water current has always been present there, and did not move. That only water current can change the temperature. That temperature is the only thing determining protozoa growth. I feel like I should make a similar paper, about the depth of grass roots that indicate bluegrass growth in my backyard was stunted by the temperature dropping via thermodynamics of the jet stream due to climate changing.