Study shows separation between Caribbean and North Atlantic 10 million years agoDifferences in salinity of water masses drive the global ocean circulation. Model simulations show that the circulation can be weakened by high freshwater input in key regions. Until now, a strong Gulf Stream system in the Miocene about ten million years ago seemed to contradict this assumption. At that time, the land bridge between North and South America was not yet closed and relatively fresh water from the Pacific reached the Atlantic. A new study by scientists from the GEOMAR Helmholtz Centre for Ocean Research in Kiel published today in the international journal Nature Communications resolve this contradiction.
from "Future Ocean" – News https://ift.tt/2ZYRdS1 https://ift.tt/eA8V8J
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