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考虑鱼类生态需水过程的漓江并联水库群生态调度

杨培思 王丽 莫康乐 陈求稳 李婷 曾晨军 唐磊 张辉

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. 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. 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(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(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

doi: 10.12170/20210715002
基金项目: 国家重点研发计划资助项目(2019YFC0408901);国家自然科学基金(青年基金)资助项目(51809175,52009082)
详细信息
    作者简介:

    杨培思(1990—),男,广东潮州人,博士研究生,主要从事水库生态调度方面的研究。E-mail:364293242@qq.com

    通讯作者:

    陈求稳(E-mail:qwchen@nhri.cn

  • 中图分类号: TV697

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。
  • 图  1  漓江流域水系及水库分布情况

    Figure  1.  Distribution of water system and reservoirs in Lijiang River Basin

    图  2  漓江干流生态流量

    Figure  2.  The ecological flow of the main stream of the Lijiang River

    图  3  青狮潭、五里峡、思安江联合优化调度Pareto非劣解集(漓江二期补水工程)

    Figure  3.  Non-dominated solutions of optimal joint operation of Qingshitan-Wulixia-Sianjiang Reservoirs (Lijiang River water supplement project phase two)

    图  4  漓江干流流量(平水年2014年)

    Figure  4.  The flow of the main stream of the Lijiang River

    图  5  不同调度模式下月平均生态流量满足率(平水年2014年)

    Figure  5.  Guarantee rate of monthly average ecological flow under different scenes(normal year)

    图  6  不同调度模式下青狮潭水库水位年变化情况(平水年2014年)

    Figure  6.  Annual variation of water level of Qingshitan reservoir under different scenes(normal year)

    表  1  漓江二期补水工程各水库基本情况

    Table  1.   Basic information of reservoirs of Lijiang River water supplement project phase two

    水库名称总库容/
    亿m3
    调节库容/
    亿m3
    正常蓄水位/
    m
    死水位/
    m
    调节
    类型
    青狮潭水库6.083.68225204多年调节
    思安江水库0.890.81327254多年调节
    五里峡水库1.080.86289252年调节
    下载: 导出CSV

    表  2  不同调度模式下水库综合效益对比

    Table  2.   Comparison of comprehensive benefits under different scenes

    典型年调度方式发电量/
    (107 kW·h)
    通航满
    足率/%
    通航
    天数/d
    生态流量
    满足率/%
    枯水年
    2011
    多库常规 6.08 79.94 291 41.06
    多库优化 7.09 89.74 327 47.07
    变化量 1.01 9.80 36 6.01
    平水年
    2014
    多库常规 9.68 85.66 312 66.77
    多库优化 10.06 91.15 332 70.79
    变化量 0.38 5.49 20 4.02
    丰水年
    2015
    多库常规 11.18 95.73 349 79.13
    多库优化 11.40 98.70 360 81.12
    变化量 0.22 1.97 11 1.99
    下载: 导出CSV

    表  3  不同调度模式下青狮潭水库年平均水位及蓄水量对比

    Table  3.   Comparison of annual average water level and storage capacity of Qingshitan reservoir under different scenes

    项目枯水年(2011) 平水年(2014) 丰水年(2015)
    水位/m蓄水量/106m3 水位/m蓄水量/106m3 水位/m蓄水量/106m3
    多库常规调度 215.78 198.68 218.28 248.77 218.95 263.27
    多库优化调度 216.93 220.94 217.94 241.59 220.04 287.82
    变化量 1.15 22.26 −0.34 −7.18 1.09 24.55
    下载: 导出CSV
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