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Named another possible cause of dinosaur extinction

Названа еще одна возможная причина вымирания динозавровThe reason for the extinction of dinosaurs became cold and sulfuric acid

Scientists said that the cause of the dinosaur extinction was abrupt, which was caused by accumulated in the upper atmosphere with sulfuric acid.

The findings of scientists was published in the journal Geophysical Research Letters. In the study, researchers conducted a computer simulation that showed that the fall of the asteroid could cause the formation in the upper atmosphere drops of sulfuric acid, which led to the cold that many species could not survive. “Prolonged cold snap, caused by sulphate aerosols, could have been much more significant factor to mass extinction than the dust that remains in the atmosphere for a relatively short time,” said one of the study’s authors Julie Brugger.

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Simulation of climate models, which could be 66 million years ago, showed that sulfuric acid could be formed in the atmosphere due to volcanic activity, as well as because of the fumes rising above resulting from a collision with an asteroid crater.

For several years the temperature fell to 26 degrees Celsius, frost was even at the equator and at the poles the temperature reached -60 degrees Celsius. Also, perhaps due to the water cooling from the ocean surface are deeper, and warmer, and rose when the nutrients were on the surface, there was a massive bloom of algae, including toxic.

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Earlier it was reported that scientists have discovered the remains of a unique Arctic dinosaur, which was named Ugrunaaluk kuukpikensis, which means “ancient animal Colville river”. In length this dinosaur reached about 7.5 m. During the Ugrunaaluk kuukpikensis the Arctic were covered in coniferous forests, mean annual temperature was 7 degrees Celsius.

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