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1 INTEGRAETED RIVER BASIN ENVIRONMENT ASSESSMENT AND PLANNING THROUGH HYBRID SIMULATION PROCESSES

IWRA World Water Congress 2003 Madrid Spain
IWRA WWC2003 - default topic
Author(s): KOJIRI Toshiharu and TERAMURA Toshihisa

KOJIRI Toshiharu* and TERAMURA Toshihisa**
* Water Resources Research Center, DPRI, Kyoto University, Gokasho, Uji, Kyoto, Japan, 611- 0011
** Penta-Ocean Co., Ltd., 2-2-8 Kouraku, Bunkyo-ku, Tokyo, Japan, 112-8576


Article:

Abstract

Due to the recent social and economical development, multi-viewpoint or multi-criteria on river basin has been requested. Especially, the life environment in addition to the life convenience has become one of the important issues from engineering aspects. Nowadays Japanese government proposed the new river basin plan called “sound water circulation” including water quantity, quality and ecosystem in the basin scale.

On the other hand, the distributed runoff models have been developed by many researchers using GIS (Geographical Information System) and land data such as digital elevation map, land use map, population map and so on. Consequently the basin-wide situations on water quantity and quality can be easily grasped from not only long but also short-term viewpoints. In this paper, we will propose the integrated river basin management procedures combining runoff simulation and improvement technologies.

Firstly the concept of river basin management is proposed and the objective functions are formulated considering the common events such as flood, drought, river scenery, water amenity and so on. Secondly introducing the distributed runoff model, the river basin situation is evaluated through the fuzzy set concept. Finally the improvement technologies to perform the sustainable water resources management are proposed through the genetic algorithm.

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