黄河几字弯区水网优化策略与总体格局研究
张金良 , 崔萌 , 唐梅英 , 张权 , 张钰 , 王建利 , 雷凯旋
中国工程科学 ›› 2025, Vol. 27 ›› Issue (4) : 118 -128.
黄河几字弯区水网优化策略与总体格局研究
Water Network Optimization Strategies and Overall Layout of Jiziwan Region in the Yellow River Basin
黄河几字弯区是能源资源富集区、生态屏障区,与多个国家重大战略和工程交叉,然而水资源匮乏是制约区域生态保护和高质量发展的主要因素。结合南水北调西线工程受水区水资源优化配置方案,加快构建黄河几字弯区水网整体格局,对破解区域水资源瓶颈制约具有重要意义。本文系统梳理了黄河几字弯区的引调水工程现状,辨识了重要引调水工程的关联关系与竞争互补效应,分析了分散供水与集中自流供水方案,进而提出了“集中+分散”供水的黄河几字弯区水网优化策略。建议依托南水北调西线工程调入水量,优化黄河几字弯区水网总体格局,形成以九甸峡 ‒ 无定河集中供水工程和黄河干流为“纲”,古贤供水、黑山峡供水和其他引黄供水工程为“目”,防溃决能蓄水多拦沙高标准淤地坝工程和中小型水库为“结”的黄河几字弯区三级水网。该格局可充分利用黄河几字弯区各省份现状已/在建供水工程并有效实现自流,具有调蓄能力强、水源保障程度高、工程投资低等优点,可为高质量推进黄河几字弯区后续水网工程建设提供方案参考。
The Jiziwan region, situated in the Yellow River basin, serves as an energy resource-rich region and an ecological barrier in China. It is also a convergence zone for multiple national major projects. However, water scarcity remains the primary constraint for ecological conservation and high-quality development in the region. Based on an optimal water resource allocation scheme for water-receiving areas of the Western Route of the South-to-North Water Transfer Project, accelerating the construction of the overall water network structure in the Jiziwan region is critical to addressing the bottleneck related to water resources. This study reviews the current status of water diversion and transfer projects in the Jiziwan region, and identifies the interconnections and competitive-complementary effects among key projects. It also analyzes decentralized and centralized gravity-fed water supply schemes, and proposes an integrated centralized‒decentralized optimization strategy for the regional water network. Proposal for optimizing the integrated water network configuration in the Jiziwan region through utilizing allocated water resources from the Western Route of the South-North Water Transfer Project is put forward. The resulting framework establishes a three-tier water network system in the Jiziwan region: The Jiudianxia‒Wuding River centralized water supply project and the mainstem of the Yellow River form the "backbone"; the Guxian water supply, Heishanxia water supply, and other Yellow River diversion projects act as "branches"; and high-standard silt-trapping dams (with anti-breaching capacity, water storage, and sediment retention functions) along with small-to-medium reservoirs serve as "nodes". This layout can fully leverage existing and under-construction water supply projects across provinces in the Jiziwan region, ensures efficient gravity-fed operation, and offers advantages such as strong regulation capacity, high water source reliability, and low engineering costs, which provides a valuable reference for advancing high-quality water network construction in the Jiziwan region.
黄河几字弯 / 引调水工程 / 竞争 ‒ 互补效应 / 水网格局 / 水网优化
Jiziwan region in the Yellow River basin / water diversion and transfer projects / competitive‒complementary effects / water network layout / water network optimization
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国家重点研发计划项目(2022YFC3202405)
中国工程院咨询项目“黄河几字弯区水 ‒ 土 ‒ 经济高质量协同发展战略研究”(2024-XBZD-11)
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