The Japan Agency for Marine-Earth Science and Technology announced that the phenomenon called "Kuroshio large meandering", in which the Kuroshio current flowing along the southern coast of Japan, continued for 4 years and 9 months in April, was the longest in the history of observation.
The Kuroshio is a warm current that flows northeast along the southern coast of the Japanese archipelago, and may meander off the coast of the Kii Peninsula and flow in a large swell to the south. ..
It has occurred 6 times since the start of observation in 1965, and the Japan Agency for Marine-Earth Science and Technology announced that this "Kuroshio large meander" started in August 2017 and became 4 years and 9 months in April. Did.
This is the longest in the history of observation, surpassing the longest time of 4 years and 8 months until March 1980.
According to experts, when the "Kuroshio meander" occurs,
▽ high tides are likely to occur along the coasts of the Tokai and Kanto regions,
▽ the range of fish habitat changes and causes poor fishing, and
▽ summer temperatures around the Kanto region.
It has been pointed out that there are various effects
such as increasing the humidity and humidity .
Toru Miyama, a senior researcher at the Japan Agency for Marine-Earth Science and Technology, said, "I didn't expect it to last so long. There are voices of anxiety from fishermen, and it is expected that it will continue for at least half a year."