Miyagi Marumoricho The cause of flooding is the overflow of the tributaries that flow into the Abukuma River, or October 16, 5:20
Experts analyzed the satellite photo of Marumori Town, Miyagi Prefecture, which was severely damaged by Typhoon No. 19. I understood that.
In Marumori Town, Miyagi Prefecture, where the Abukuma River flows, a wide range of residential areas and town halls are inundated, and five people have been confirmed dead.
Prof. Yasuo Nibei from Tokyo University of Science, who is familiar with river disasters, analyzed satellite images taken by a private surveying company “Pasco” about the inundation situation in Marumori Town.
As a result, it was confirmed that there were no breaks in the Abukuma River embankment, but there were several breaks in several tributaries such as the Shin River that flowed into the Abukuma River.
Prof. Nibe says that the water level of the Abukuma River has risen and the water level of the tributary has stopped, and the water level has risen.
This was also the cause of the flooding in Kurobi-shi, Okayama Prefecture last year's heavy rain in western Japan.
This time, it has been raining over a wide area in the Tohoku region where the amount of rain is relatively low, and it points out that unprecedented flood control measures are necessary in various parts of the country.
On top of that, Professor Nibe said, “Not only the rain information but also the water level information of the river is important. I can understand.