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Geoscience ›› 2023, Vol. 37 ›› Issue (04): 943-953.DOI: 10.19657/j.geoscience.1000-8527.2022.031

• Water Resources and Environmental Geology • Previous Articles     Next Articles

Evaluation of Exploitable Groundwater Resources in the Buha River Basin Based on Groundwater Numerical Simulation

PENG Hongming1,2(), WANG Zhanwei3, LUO Yinfei4(), YUAN Youjin1,2, WANG Wanping1,2   

  1. 1. Bureau of Qinghai Environmental Geological Prospecting, Xining, Qinghai 810007, China
    2. Key Laboratory of Geological Environment of Qinghai Province, Xining, Qinghai 810007, China
    3. Qinghai Provincial Geological Survey Bureau, Xining, Qinghai 810007, China
    4. Hydrogeological and Environmental Geological Survey Center of China Geological Survey, Baoding, Hebei 071051, China
  • Received:2022-01-30 Revised:2022-06-21 Online:2023-08-10 Published:2023-09-02

Abstract:

The Buha River is the largest tributary of the Qinghai Lake basin, and its runoff reaches 80% of the lake inflow. To ensure sustainable development of the ecological and geological environment in the Qinghai Lake Basin, it is necessary to exploit groundwater resources scientifically in the Buha River Basin. This study discussed the hydrogeological conditions of the Buha river, and establish the river basin mode concept, set up the numerical simulation based on Groundwater Vistas. Using the measured ground flow field to correct the identification model, the prediction results show that the maximum drop depth of the planned water source is 17.99 m (based on the average runoff for 30 years) in the basin with the water source of 50,000 m3/d, 100,000 m3/d and 150,000 m3/d; and after 5 years of dry season, the maximum drop depth of water source is 20.26 m. The groundwater resource exploitation mainly comes from the reduction of hidden excretion of springs and rivers. Finally, according to the watershed planning, the exploitable groundwater resources of Buha River is 300,000 m3/d.

Key words: Groundwater Vistas, Buha river, groundwater, numerical simulation

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