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| Liujiaxia Reservoir | |
|---|---|
| Name | Liujiaxia Reservoir |
| Location | Lanzhou, Gansu, China |
| Type | Reservoir |
| Inflow | Yellow River |
| Outflow | Yellow River |
| Basin countries | China |
Liujiaxia Reservoir is a large reservoir on the Yellow River in Gansu province, China, created by the construction of a major hydroelectric dam. The reservoir lies in the upper reaches of the Yellow River corridor near Lanzhou and has played a central role in regional water regulation, power generation, and transportation since its completion. It connects to broader infrastructural networks linking Shaanxi, Qinghai, and Inner Mongolia and influences projects tied to the South–North Water Transfer Project and national energy planning led by the State Council of the People's Republic of China.
The reservoir occupies a gorge section of the Yellow River downstream of the Lanzhou Basin and upstream of the Liujiaxia Gorge, bounded by cliffs near Bingling Temple and adjacent to the Hexi Corridor. The hydrology reflects seasonal inputs from tributaries such as the Tao River (Gansu), Daxia River, and runoff from the Qilian Mountains and Qinling Mountains foothills. Water regulation interacts with flood control frameworks established following the 1931 China floods and later flood management policies of the Ministry of Water Resources and technical guidance from the China Three Gorges Corporation and Yellow River Conservancy Commission. Sediment transport links to long-standing geomorphological processes studied by institutions like the Chinese Academy of Sciences and the Lanzhou University Department of Earth Sciences.
Planning originated in the context of mid-20th-century hydraulic initiatives influenced by the First Five-Year Plan (People's Republic of China), the Great Leap Forward, and subsequent industrialization drives endorsed by leaders including Zhou Enlai and Deng Xiaoping. Design and engineering drew on domestic expertise from the Hydropower Planning and Design Institute and consultation with projects such as the Gezhouba Dam and Sanmenxia Dam. Construction began amid campaigns to expand electrification and rural development, involving mobilization of workforces from the People's Liberation Army logistical units and provincial cadres of Gansu Province. The reservoir’s creation required relocation and resettlement programs coordinated with the Ministry of Civil Affairs and municipal authorities in Lanzhou and Dingxi, echoing earlier resettlement precedents established during the Danjiangkou Reservoir project.
The concrete gravity dam impounding the reservoir incorporates turbines and spillways modelled on contemporary hydroelectric designs used at sites like Gezhouba Dam and Ertan Dam. Installed generating units connect to the regional grid operated by the State Grid Corporation of China, contributing to capacity prioritized by the National Development and Reform Commission. Engineering collaboration involved units from the China National Machinery Industry Corporation and research input from the Tsinghua University engineering faculty. The power plant addresses peak and base load demands that support industrial hubs in Lanzhou, Baiyin, and Pingliang while integrating with transmission corridors to Xi'an and Tibet-linked networks. Safety protocols reference standards promulgated by the Ministry of Water Resources and the Ministry of Ecology and Environment.
Flooding of the river valley altered habitats for species documented by researchers at the Chinese Academy of Sciences, including shifts in fish assemblages noted by the Chinese Society of Fisheries. Riverine wetland conversion affected migratory bird stopovers associated with flyways used by species monitored by the Sichuan University biology departments and conservation groups such as the World Wide Fund for Nature in China. Sediment trapping influenced downstream aggradation and deltaic dynamics examined in studies by the Institute of Geographic Sciences and Natural Resources Research. Water quality and eutrophication concerns prompted monitoring protocols aligned with the Ministry of Ecology and Environment and collaborative remediation trials involving the Nanjing Institute of Geography and Limnology.
The reservoir underpins irrigation schemes serving agricultural districts in Gansu and supports industrial cooling for metallurgical complexes in Baiyin and chemical plants tied to the Lanzhou New Area. Hydropower revenues feed municipal budgets subject to oversight by provincial governments of Gansu Province and bureaus such as the Gansu Development and Reform Commission. Resettlement altered demographic patterns in counties like Linxia and necessitated public health interventions coordinated with the National Health Commission and provincial Centers for Disease Control. The project catalyzed infrastructure including highways connected to the China National Highways network and spur rail links interfacing with the Longhai Railway corridor.
Scenic gorges near cultural sites such as Bingling Temple Grottoes and historical routes in the Hexi Corridor have become focal points for tourism promoted by the China National Tourism Administration and provincial tourism bureaus. Boating, angling, and sightseeing cruises operate from ports managed by local municipal authorities, with services marketed through platforms endorsed by the Ministry of Culture and Tourism. Nearby attractions draw visitors traveling via Lanzhou Zhongchuan International Airport and rail connections to Xi'an North railway station and Zhongwei nodes, integrating heritage tourism featuring Silk Road narratives and archaeological research led by the Institute of Archaeology, Chinese Academy of Social Sciences.
Operational oversight involves the Yellow River Conservancy Commission, provincial water resource departments, and grid coordination by the State Grid Corporation of China. Environmental compliance follows regulations issued by the Ministry of Ecology and Environment and policy frameworks from the National Development and Reform Commission. Research partnerships with universities including Lanzhou University, Tsinghua University, and the Chinese Academy of Sciences support adaptive management, sedimentation control studies, and risk assessments informed by international best practices from organizations such as the World Bank and United Nations Environment Programme.
Category:Reservoirs in China Category:Buildings and structures in Gansu