Early Warning: Atlantic’s ‘Conveyor Belt’ Showing Signs of Slowing


ocean.acid.un.atlantic.conveyor.belt.ice.age_occupycorporatismSusanne Posel ,Chief Editor Occupy Corporatism | The US Independent
December 9, 2014

 

Researchers from the University of Exeter have issued a warning that the Atlantic Meridoinal Overturning Circulation (AMOC) shows signs of slowing.

The AMOC is the natural “conveyor belt” in the ocean that drives water flow utilizing temperature and saline density to disperse throughout the world’s oceans.

The natural flow of heated water is facilitated by the AMOC from the tropics to the Southern Hemisphere to the North Atlantic and is a vital component to the climate and weather patterns of the planet.

Chris Boulton, lead author of the study told the press : “We found that natural fluctuations in the circulation were getting longer-lived as the collapse was approached, a phenomenon known as critical slowing down.”

The study points out that “the continued influx of freshwater, driven by global warming and the melting polar ice caps, could be enough to slow AMOC to a halt. A collapse of the ocean conveyor belt would mean drastic cooling in northern climes, rising sea levels, and prolonged drought conditions in some areas.”

Two years ago another study showed that ocean fertilization is causing the AMOC to slow down and could possibly cause it to stop completely.

Jack Cullen, oceanographer with Dalhousie University (DU) and lead author of the study said that ocean fertilization experiments “are dangerous” and if continued would cause another mini Ice Age because the geo-engineering technique would directly affect the AMOC.

Earlier this year, researchers for the University of Washington (UW) published a study stating that missing atmospheric heat can be attributed to a large “sink” into the ocean.

In the Atlantic Ocean, the heat storage was as deep as a thousand feet which is being identified as causation for the current “pause” in rising averages of surface temperature throughout the world.

According to the study, the writers assert that “a vacillating global heat sink at intermediate ocean depths is associated with different climate regimes of surface warming under anthropogenic forcing. We found that the slowdown is mainly caused by heat transported to deeper layers in the Atlantic and the Southern oceans, initiated by a recurrent salinity anomaly in the subpolar North Atlantic. Cooling periods associated with the latter deeper heat-sequestration mechanism historically lasted 20 to 35 years.”

OA uses iron and “other nutrients” that induce microscopic marine plants to absorb CO2 through the natural process of photosynthesis.

As they inject the CO2, the plankton releases it back into the ocean at a lower depth.

Another study published in 2014 by researchers with the University of New South Wales (UNSW) concluded the surface temperature of the oceans are cooling because of a “pronounced strengthening in Pacific trade winds over the past two decades.”

This study states that “the accelerated trade winds have increased equatorial upwelling in the central and eastern Pacific, lowering sea surface temperature there, which drives further cooling in other regions. The net effect of these anomalous winds is a cooling in the 2012 global average surface air temperature of 0.1–0.2 °C, which can account for much of the hiatus in surface warming observed since 2001. This hiatus could persist for much of the present decade if the trade wind trends continue, however rapid warming is expected to resume once the anomalous wind trends abate.”

Back in 2010, the Intergovernmental Oceanographic Commission (IOC), which is part of UNESCO, published a study that approved of ocean fertilization as a “preventative” measure of sequestering CO2 in the deep oceans.





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