南水北调中线一期工程截至8月7日已累计向北方调水超过800亿立方米[1]。长江水利委员会通过精细化水资源调度、多部门协同共护和数字智能治水等措施,确保了这一跨域调水工程的安全稳定运行,同时统筹兼顾南北方发展需求和生态流量要求。
在水量调配方面,长江委发挥水库群联合调度的作用,去年精细调度水库群补水近18亿立方米、拦洪174亿立方米[1]。今年夏汛期通过主动消落水位至161.8米,多蓄水约15亿立方米,为调水提供充足水源[1]。生态补水累计超过114亿立方米,直接受益人口达到近1.18亿[1]。
在多部门协同共护方面,近三年长江委协同办理水事违法案件超过699起,恢复丹江口水库库容近10万立方米[1]。丹江口水库库岸线总长4000余公里,分属陕鄂豫三省五市,需要多地联合管护[1]。此外,数字孪生丹江口系统已累计开展118期汛期专项模拟预演[1],为科学调度提供数据支撑。
The central route of the South-to-North Water Diversion Project has cumulatively transferred more than 800 billion cubic meters of water to northern regions as of August 7, according to the Yangtze River Commission [1]. The project operates across a complex water management landscape, with the Danjiangkou Reservoir serving as the critical source, its shoreline spanning over 4,000 kilometers across Shaanxi, Hubei, and Henan provinces involving five municipalities [1].
To ensure stable supply while balancing development and ecological needs across both north and south, the Yangtze River Commission employs three strategic dimensions of water management. Through refined scheduling of reservoir systems, the Commission conducted supplemental water releases of approximately 18 billion cubic meters and managed 174 billion cubic meters of flood retention in the previous year [1]. In the current summer flood season, water levels at the Danjiangkou Reservoir were managed down to 161.8 meters, enabling the storage of approximately 15 billion additional cubic meters [1]. Ecological water supplements have exceeded 114 billion cubic meters cumulatively, directly benefiting nearly 1.18 billion people [1].
Multi-departmental coordination represents the second pillar of protection, with authorities jointly handling over 699 water-related violation cases in recent years and recovering nearly 100,000 cubic meters of reservoir storage capacity [1]. The third dimension leverages advanced technology through a digital twin system of the Danjiangkou Reservoir, which has conducted 118 specialized simulation exercises for flood season preparedness [1].