Cambio Climatico

Juan G. R. Floods in Japan require improving the efficiency of surface and internal drainages.

Water and Irrigation Vol .: 9, No. 1: 11-12, July 2018, Spain.

In the fight against floods and the effects of climate change in Japan, it is necessary to increase the efficiency of surface and internal drainages in urban and rural areas, in line with the current climate situation in the country, which will continue to be more disastrous in the future years, in order to achieve a more effective protection of human lives and of material and economic goods. Floods as a result of torrential rains in Japan have caused some 209 deaths as well as damage to roads and bridges infrastructure, landslides, constant water and electricity cuts and transport disruptions, have been evacuated around 5 million people, The meteorological phenomenon has also damaged agriculture and livestock and has hurt Japanese industrial companies.

There are thousands of refugees in Japan in temporary centers, such as schools, public buildings and temples where the victims receive food and basic services from local authorities and volunteers. The authorities have ordered the evacuation of around 5 million people, as a result of the floods. This natural disaster is the phenomenon that has caused more affectations in the country in the last 36 years.

Floods as a result of torrential rains in Japan have caused some 209 deaths as well as damage to road and bridge infrastructures, landslides, constant water and electricity cuts and transport disruptions.

The Japanese Prime Minister, Shinzo Abe, has moved to Okayama in the southwest and then to Hiroshima in the west as well as to other areas hit by the disaster, to observe more closely the assistance of tens of thousands of affected people and the tasks of rescue. Abe has visited several evacuation centers in the town of Okayama, where he has spoken with people who had lost their homes and has promised that the government “will make every effort to rebuild their lives, according to the Japanese agency Kyodo.

Around 75,000 members of the Army, police and firefighters continue with the tasks of searching and rescuing the disappeared, 83 helicopters and dozens of vessels have also been deployed in support of rescue operations. One of the most affected cities is Kurashiki, which has a population of around 500,000 inhabitants. The meteorological phenomenon has also damaged agriculture and livestock and has hurt Japanese companies that have production plants in the most affected areas, and that have been forced to stop production.

In some parts of Japan, the torrential rainfall of the last days, from June 25 to July 6, is estimated at around four times more than the amount of rain that they usually register throughout the month of July. In the Kochi region, 716 mm were recorded in Motoyama and 653 mm in Odochi according to the Japan Meteorological Agency. The rains in Kochi represent approximately one third of the annual average for the area.

On June 28, Typhoon Prapiroon became a tropical depression and touched land in Japan on July 3, the day 4 had already disappeared. On July 5 Tropical Storm Maria moved slowly to the northeast, later it was updated as Severe Tropical Storm by the Japan Meteorological Agency. Later Maria with wind speed of 260 km / hour was updated again to the category of Typhoon, finally Maria moved away from Japan and touched land in China in Fujian on July 11

In the fight against floods and the effects of climate change in Japan, it is necessary to increase the efficiency of surface and internal drainages in urban and rural areas, in line with the current climate situation in the country, which will continue to be more disastrous in the future. the future years, in order to achieve a more effective protection of human lives and material and economic goods

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