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Sea ice on the Sea of ​​Okhotsk “Possibility of disappearing at the end of this century”

2019-12-09T20:13:11.617Z

A study of winter features seen in Abashiri, Hokkaido, etc., and drift ice that may disappear due to the effects of global warming at the end of this century ...



Okhotsk Sea Drift Ice "Possibility of disappearing at the end of this century" Global Warming Impact December 10th 5:11

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The Okhotsk Drift Ice Science Center has compiled the findings of winter features such as Abashiri City in Hokkaido, and drift ice that may disappear due to the effects of global warming at the end of this century. The research group points out that the day when it is impossible to see drift ice is approaching at a faster pace than expected, because the drift ice that forms on the coast of Russia will not go south to Hokkaido due to rising temperatures.

Research group of Shuhei Takahashi, Director of Hokkaido Okhotsk Drift Ice Science Center, investigated the impact of global warming on the relationship between the amount of drift ice observed in 15 locations up to 2009 and the average temperature in four locations including Abashiri City. I investigated.

As a result, when the average temperature from January to March rises, the drift ice also decreases, and the average temperature during this period is 4.1 degrees in Shari, 3.1 degrees in Abashiri, 2.5 degrees in Monbetsu, 2.1 degrees in Edako I found out that the drift ice disappeared and I could not see it.

As a result of simulating the average temperature from winter to spring on the Okhotsk Sea side based on the data of the global warming announced by the United Nations, the Sapporo District Meteorological Observatory can rise from 3 degrees to around 6 degrees at the end of this century. I have sex.

For this reason, Director Takahashi said that drift ice generated on the coast of Russia will not go south, so in Hokkaido, drift ice may not be seen at the end of this century. Pointed out. "

The drift ice that fills the Sea of ​​Okhotsk in the severe winter season is also the home of plankton, and is known to supply food for marine products such as salmon and cod. It may also affect the ecosystem of the future. "

Source: nhk

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