It is known that the state of the Antarctic deep-sea currents, a dense layer of cold water at a depth of 6000 meters below sea level, depends on the activity of the other currents in the ocean. It is responsible for the timely saturation other layers of ocean water on the planet, which means that it depends on the life of marine ecosystems.
By comparing the measurements carried out in 1970, and including 2012, scientists from Australia and the U.S. found that the volume and density of the cold deep currents were reduced to 60%. This suggests that the oceans began to get less oxygen, and global warming takes place not only on land in the form of desertification, but also on the water expanse.
Scientists explain the situation so that the planet retains 90% of the excess heat it in the ocean, not on land. Any unused heat, accumulated over the last 50 years spent on heating from deep ocean waters and continues to destroy an important source of marine life. Suffer from this ecosystem that failed to adapt to the new quality of sea currents, and subsequently people.