Operating technique for new users of reservoirs
2001
Kimoto, Y. (Mie Univ., Tsu (Japan). Faculty of Bioresources) | Okuda, Y.
Rainfall in Japan is decreasing, so we need to use water resources more effectively. For this purpose we need to construct watershed facilities. However, constructing these facilities has various problems like lack of places for dams, environmental problems, etc Compared to such facilities, exsisting small reservoirs will be considered more important in the future, because there are so many of them and they don't require much construction expenditure. At present, most of the reservoirs are used for irrigation and are controlled and used by local farmers. Their control is based on long experience, so when new users come into the system, rules have to be formulated to avoid conflict between them and existing users. In this paper, we suggest a technique using a "standard operating line" and "required storage for drought volume line" to be applied as rules for reservoirs. The "standard operating line" is the line indicating standard variation of volume of water in reservoirs. The "required storage for drought volume line" is the line indicating the least amount of water below which water becomes inaccessible. Using this technique involving the two lines above will enhance proper distribution of water from reservoirs.
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