Hawking’s predictions will come true? The Arctic has a high temperature of 38 degrees and greenhouse gases are released. The earth returns to 3 million years ago
Recently, it has been”hot, hot, and hot”. Now this season is the summer in the northern hemisphere. The ice and snow arctic is also welcoming the high temperature of the year, and polar days appear in parts of the arctic circle.
But this year’s Arctic is a bit overheated. Last month, scientists measured a high temperature of 38 degrees Celsius in the small town of Verkhoyansk at 67.5 degrees north latitude. This temperature has broken the extreme value of the region since monitoring. From its latitude, the town is already within the Arctic Circle. This is beyond our imagination. The world of ice and snow ushered in a high temperature of 38 degrees Celsius.
High temperatures have also brought forest fires to Siberia and the Far East, and the smoke released by the fires is drifting into the Arctic Circle. This time of year is the season when forest fires occur frequently, but this year due to the rare high temperature weather, the forest fire area in Siberia is relatively extensive and the damage is more serious. In fact, similar to the forest fire in Australia in 2019, the forest fire was particularly serious because of the high temperature in 2019, which caused a fire to burn from 2019 to early 2020.
The annual warming rate in the Arctic is more than three times that of other regions. It can be said that the effect of the greenhouse effect has begun to show serious effects in the polar regions .
Hawking had predicted during his lifetime that the earth would become a fireball in the future, hoping that mankind could find a new home as soon as possible, But Hawking predicted that the time is 2600 years. About 600 years later, he may not have thought that the greenhouse effect is so serious now. In fact, for a long period of time in the future, the earth will only be our only home for survival. Humans have been developing on the earth for millions of years, and it is impossible to leave easily.
A rare high temperature in the Arctic will cause glaciers to melt, and Siberian permafrost to melt. According to the monitoring data of the Russian Hydrological and Meteorological Bureau, from the previous From the 1980s to today, the permanent glaciers of the Arctic Ocean have melted nearly 50%. In 1980, the Arctic Ocean glacier area was 7.28 million square kilometers, and in 2012 it had dropped to 3.35 million square kilometers.
The melting of glaciers will release ancient viruses into the marine ecosystem, and also release greenhouse gases such as methane and carbon dioxide. At the beginning of this year, there were more than 2 million methane hotspots in the Arctic, which was still the Arctic winter. According to the latest observation data from NASA satellites in July, more than 3.6 million lakes in the Arctic are experiencing anomalies and are releasing large amounts of methane greenhouse gases. This situation will exacerbate the crisis in the Arctic, because methane is a more serious greenhouse gas than carbon dioxide.
Not just methane, the carbon dioxide content of the earth in the past two years has reached an extreme value, according to published in the”Scientific Report” (Scientific Reports) show that in the next five years, the carbon dioxide content of the earth may reach its highest value in nearly millions of years. Scientists collected ancient fossils from the bottom of the Caribbean Sea, and learned the carbon dioxide concentration on the earth 3.3 million years ago through chemical analysis.
Scientists reconstructed the model. The average temperature of the earth 3.3 million years ago was 3 degrees Celsius higher than it is now. The carbon dioxide concentration is 380-420ppm, and now the concentration of carbon dioxide on the earth has reached 415ppm. Scientists pointed out that the climate and environment on the earth may return to what it was more than 3 million years ago.
More than 3 million years ago, the ancestors of mankind were still living on the African savannah for life. At that time, it should be Australopithecus australis is an active era, and the unextinct horror cats are precisely the natural enemies of Australopithecus australis. It is hard to imagine that we may experience three million years later. The climate that the earth used to have.
The global temperature increase caused by the greenhouse effect is actually imminent. Don’t look at the temperature rise of a few degrees Celsius first, it is really likely to bring widespread extinction. Never let the fireball earth Hawking once predicted arrive so soon.
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