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Non-freezing of the Kara Sea can lead to an increase in precipitation in Western Siberia

Scientists of the Arctic Research Centre and the Institute for Water and Environmental Problems of the Siberian Branch of the Russian Academy of Sciences (SB RAS), after studying the satellite data, have found that the ice-free period in the Kara Sea is getting longer, which leads to an increase in atmospheric moisture. This, in turn, could affect the change in weather conditions and the increase in precipitation in Western Siberia, the press service of the scientific centre said on Friday.
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«The satellite sounding data showed that the time of open water increased in the Kara Sea between 2012 and 2017. Even during the winters the sea did not freeze for a long time in some areas around Novaya Zemlya and Yamal peninsula. The prolonged ice-free period led to an increase in atmospheric moisture and the change in meteorological conditions in Western Siberia. A fourfold excess of snow reserves in the south of Western Siberia, for example in Altai in 2017, is partially associated with the changes in the Kara Sea, the scientists believe,» the report said.

Andrei Romanov, deputy director of the Institute for Water and Environmental Problems of the SO RAS, explained that airborne Arctic transfers have significant effect on the meteorological conditions in the region, bringing cold air and moisture into it, and the Ob river, originating in the Altai, carries heat to the north along with its waters.

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