杨培思,王丽,莫康乐,等. 考虑鱼类生态需水过程的漓江并联水库群生态调度[J]. 水利水运工程学报,2022(5):138-147. doi: 10.12170/20210715002
引用本文: 杨培思,王丽,莫康乐,等. 考虑鱼类生态需水过程的漓江并联水库群生态调度[J]. 水利水运工程学报,2022(5):138-147. doi: 10.12170/20210715002
(YANG Peisi, WANG Li, MO Kangle, et al. Ecological operation of Lijiang parallel reservoirs considering ecological flow requirement of fish[J]. Hydro-Science and Engineering, 2022(5): 138-147. (in Chinese)). doi: 10.12170/20210715002
Citation: (YANG Peisi, WANG Li, MO Kangle, et al. Ecological operation of Lijiang parallel reservoirs considering ecological flow requirement of fish[J]. Hydro-Science and Engineering, 2022(5): 138-147. (in Chinese)). doi: 10.12170/20210715002

考虑鱼类生态需水过程的漓江并联水库群生态调度

Ecological operation of Lijiang parallel reservoirs considering ecological flow requirement of fish

  • 摘要: 水库群联合运行带来巨大的经济和社会效益,同时也对河流生态造成诸多影响。为提升漓江流域水库群联合运行的发电、通航、生态保护和青狮潭水库蓄水综合效益,构建了考虑鱼类生态需水过程的并联水库群多目标调度模型,采用第三代非支配遗传算法(NSGA-Ⅲ)对模型优化求解。结果表明:(1)与常规调度相比,优化调度在保障发电工程效益的同时,实现了通航与生态效益的提升;(2)构建的并联水库群多目标生态调度模型,在枯、平、丰水年的生态流量满足率都维持在47%之上,尤其保障了鱼类越冬、产卵和繁殖期的生态需求;(3)实施漓江并联水库群联合生态调度,青狮潭水库在枯水年和丰水年蓄水量分别增加22.26×106 m3和 24.55×106 m3,缓解了青狮潭水库供水压力。研究可为并联水库群多目标生态调度提供相关参考。

     

    Abstract: The joint operation of reservoirs brings huge economic and social benefits, and also has a lot of impacts on the river ecology. In order to improve the comprehensive benefits of power generation, navigation, ecology and Qingshitan Reservoir storage of the joint operation of Lijiang parallel reservoirs, the multi-objective parallel reservoirs operation model considering ecological flow requirement of fish is developed. The model is optimized by Non-Dominated Sorted Genetic Algorithm-Ⅲ. The results show that: (1) Compared with regular operation, parallel reservoirs optimal operation can ensure the benefit of power generation, and guarantee the benefit of navigation and ecology at the same time. (2) The constructed multi-objective parallel reservoir ecological operation model maintains the rate of ecological flow requirement above 47% in dry, normal and wet years. In particular, the ecological demand of fish during the winter, spawning and breeding periods is guaranteed. (3) The implementation of joint operation of the Lijiang parallel reservoirs can alleviate the pressure of water supply of Qingshitan Reservoir, and increase the reservoir storage in dry and wet years by 22.26×106 m3 and 24.55×106 m3, respectively. This study can provide a reference for multi-objective ecological operation of parallel reservoirs.

     

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