Abstract
The effect of reservoir group networking and joint scheduling on the efficiency of regional water resources allocation is studied in the paper and demonstrated by case analysis of two engineering projects in the counties of Zhejiang Province. The efficiency of water resources allocation involves both engineering and economic aspects, and its improvement is the result of the interaction between institutions and technologies. The efficiency of networking and joint scheduling of reservoir groups is obvious, as proved by the physical network created by joint scheduling, the internal incentive mechanism generated by water right transactions, as well as the networking and joint scheduling of agricultural irrigation, urban water supply and ecological water use. This efficiency mainly comes from the accumulation of reservoir resources and the rational utilization of flood resources brought by networking and joint scheduling. It would be an important model for the future development of regional water resources optimization to network and jointly operate reservoir groups. In essence, the networking and joint scheduling of a reservoir group involve the optimal allocation and operation of multi-source water resources for multi-users. The scheduling diagram can be regarded as the combination of diversion and water supply dispatch of each member reservoir, forming the network structure, realizing the joint operation of regional water resources, and finally improving the efficiency of water resources allocation at different stages in different regions. The main body of the reservoir networking and joint scheduling, the government departments, carry out planned dispatching of reservoirs only with obtaining certain amount of information. It is therefore necessary to establish an incentive compatibility mechanism to overcome such defects as information lag and asymmetry, in networking and operating reservoir groups.
Highlights
Regional water resources allocation is an important part of watershed water resources allocation
The networking and joint scheduling of regional reservoir groups refers to the connection of water reservoirs in a certain area through the construction of tunnels, channels, river courses, etc. to operate them according to the actual water situation
In Yongkang, the networking and joint scheduling of reservoirs was initiated in the 1990s mainly for agricultural irrigation, and only after entering the new century did it change from agricultural water use to urban water supply
Summary
Regional water resources allocation is an important part of watershed water resources allocation. Since 1990s, with the increasing state investment on water conservancy and other infrastructure facilities, the number of newly built reservoirs in the region has risen steadily, so the joint operation of multiple reservoirs could be carried out in accordance with the situation of water coming from different watersheds in the region, providing an important foundation for improving the efficiency of regional water resources allocation [2]. The goal of regional water resources allocation is to realize the sustainable development of regional economy and society based on regional water resources endowment while protecting the ecology and environmental security. The allocation of regional water resources is evolved into the sustainable development of regional economy and society under the condition of ensuring the ecological environment water security [4]
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