Why does global warming bring the earth into an ice age?
These scientists' predictions are based on their natural circulation analysis of sea water temperature in the Pacific Ocean and the Atlantic Ocean, which overturns some widely accepted theories of climate warming, which claim that by the summer of 20 13, the Arctic Circle will be completely ice-free.
According to the Daily Mail, according to the data of Colorado National Snow and Ice Data Center, since 2007, the Arctic summer sea ice has increased by nearly 6.5438+0.06 million square kilometers, an increase of 26%. Even those who strongly advocate preventing global warming have not refuted this point.
Scientists' prediction also overturns the computer calculation model of climate change, which holds that global warming since 1900 is entirely caused by man-made greenhouse gas emissions, and will continue to warm as long as the concentration of carbon dioxide increases.
Scientists say that their research shows that most of the warming is because the ocean circulation used to be in a "warm period", but now it is in a "cold period".
Mojib Latif, a famous climate expert at Leibniz Institute of Kiel University in Germany, invented a new method to measure the temperature of seawater 900 meters below the sea surface. The cooling and heating cycle of seawater starts from this depth of seawater. In the research report published in 2008, he and his colleagues predicted that seawater would enter a new cold cycle, and issued a warning at the meeting of the United Nations Intergovernmental Panel on Climate Change last September.
In an interview with the Daily Mail, he said: "From 1980 to 2000, a large part of global warming, perhaps 50%, was affected by the warming cycle of seawater. Now the ocean has entered a cold cycle, so cold weather like this winter will appear more in the future, and it may be colder in summer. This climate may last for more than 20 years. He said: "The phenomenon of glaciers and sea ice retreating that we have seen in the past will stop. At present, global warming has stopped, and it is likely to get colder and colder in the future. 」
Last week, the temperature in Europe, Asia and North America was the lowest in decades. Some media reported that this is only an abnormal disturbance and a short-lived phenomenon, and the trend of global warming has not changed.
Latif disagrees with this statement. He believes that it is a long-term climate change, which is called "decades of oscillation" in the Pacific Ocean and Atlantic Ocean. For example, the seawater temperature in the central North Atlantic is several degrees lower than the average temperature when the earth is still warming.