629683 external_news 1575486726 1575486726 A new report warns that the Atlantic meridional overturning circulation, or AMOC, is one of nine critical climate systems that greenhouse-gas-fueled warming is actively pushing toward a tipping point....A big limitation in scientists’ ability to pinpoint precisely what’s going on with the AMOC is the lack of long-term observations throughout the current’s route....An important new array called OSNAP (Overturning in the Subpolar North Atlantic) began installment in 2014 between the southern tip of Greenland and Scotland near where the current makes its deepest dive and picks up southward speed. But it’s too soon to see ongoing trends in the AMOC’s strength, says program director Susan Lozier, a Georgia Tech oceanographer.

]]> 2019-12-02 1278 364801