By Japan Commission on Large Dams - JCOLD
Review of Japan’s lengthy water heritage, through the japanese fee on huge dams. ranging from the seventh century, while irrigation ponds have been first built for paddy cropping, till the start of the twenty first century. Elaborates on quite a few roles of dams: water provide, energy new release and flood keep watch over. Moreover, tries to elucidate the unfavourable affects of dams at the average setting and native societies, in addition to vast efforts made to reduce those affects. Includes appendices with location and features of major dams, administrative organs, river administration approach and water assets improvement river structures and amenities to provide the total photograph. Richly-illustrated. meant for dam and water assets pros.
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Extra info for Dams in Japan: Past, Present and Future
See colour plate section) Roles played by dams as seen in the history of water use in Japan 31 sugar cane and cotton, crops that they had cultivated until that time. This further accelerated the shortage of irrigation water, so the region’s farmers used groundwater obtained from wells. As a result, wells were constructed at 12,000 different locations by the end of the Taisho Period. The Honen-ike Pond was constructed to overcome such shortages of irrigation water. Work started in 1926 and was completed in 1930, after four years of hard work by 150,000 people.
4 The Kamakura to the Azuchi-Momoyama Period (1185 to 1600) The chieftain (Minamoto no Yoritomo) of the Minamoto Family who was victorious in the Minamoto – Taira war, obtained the title Sei-i Taishogun (barbarian-subduing General) from the Emperor (a designation that actually signified the consignment of ruling authority by the Emperor) and consolidated all administrative authority in his own hands. He established the Bakufu (literally “tent-government”, it signified rule by a military family) in Kamakura in the Kanto Region, so the following period is called the Kamakura Period (1185–1333).
It is thought that new field development accompanied by the construction of irrigation ponds contributed most to this growth. Irrigation ponds were also constructed during and after the Meiji Period. 5 million m3 of water resources: a quantity that corresponds to about 30% of all water resources developed before the war. 3 Manno-ike Pond. (See colour plate section) requiring the construction and improvement of irrigation ponds to overcome this shortage, and so on. As a result, more than 14,600 irrigation ponds, including the Manno-ike Pond, have been constructed or raised, thereby ensuring irrigation water and expanding rice cultivation.
Dams in Japan: Past, Present and Future by Japan Commission on Large Dams - JCOLD