Combination of CFCs and stable isotopes to characterize the mechanism of groundwater-surface water interactions in a headwater basin of the North China Plain

2018 ◽  
Vol 32 (11) ◽  
pp. 1571-1587 ◽  
Author(s):  
Shiqin Wang ◽  
Ruiqiang Yuan ◽  
Changyuan Tang ◽  
Xianfang Song ◽  
Matthew Currell ◽  
...  
Keyword(s):  
Stable Isotopes ◽  
Surface Water ◽  
North China Plain ◽  
North China ◽  
The North ◽  
The North China Plain

scholarly journals The cost of ending groundwater overdraft on the North China Plain

2016 ◽  
Vol 20 (2) ◽  
pp. 771-785 ◽  
Author(s):  
Claus Davidsen ◽  
Suxia Liu ◽  
Xingguo Mo ◽  
Dan Rosbjerg ◽  
Peter Bauer-Gottwein
Keyword(s):  
Surface Water ◽  
River Basin ◽  
North China Plain ◽  
North China ◽  
Management Problem ◽  
The North ◽  
Groundwater Overdraft ◽  
The North China Plain ◽  
Surface Water And Groundwater ◽  
Groundwater Value

Abstract. Overexploitation of groundwater reserves is a major environmental problem around the world. In many river basins, groundwater and surface water are used conjunctively and joint optimization strategies are required. A hydroeconomic modeling approach is used to find cost-optimal sustainable surface water and groundwater allocation strategies for a river basin, given an arbitrary initial groundwater level in the aquifer. A simplified management problem with conjunctive use of scarce surface water and groundwater under inflow and recharge uncertainty is presented. Because of head-dependent groundwater pumping costs the optimization problem is nonlinear and non-convex, and a genetic algorithm is used to solve the one-step-ahead subproblems with the objective of minimizing the sum of immediate and expected future costs. A real-world application in the water-scarce Ziya River basin in northern China is used to demonstrate the model capabilities. Persistent overdraft from the groundwater aquifers on the North China Plain has caused declining groundwater levels. The model maps the marginal cost of water in different scenarios, and the minimum cost of ending groundwater overdraft in the basin is estimated to be CNY 5.58 billion yr−1. The study shows that it is cost-effective to slowly recover the groundwater aquifer to a level close to the surface, while gradually lowering the groundwater value to the equilibrium at CNY 2.15 m−3. The model can be used to guide decision-makers to economic efficient long-term sustainable management of groundwater and surface water resources.

scholarly journals The cost of ending groundwater overdraft on the North China Plain

2015 ◽  
Vol 12 (6) ◽  
pp. 5931-5966 ◽  
Author(s):  
C. Davidsen ◽  
S. Liu ◽  
X. Mo ◽  
D. Rosbjerg ◽  
P. Bauer-Gottwein
Keyword(s):  
Surface Water ◽  
River Basin ◽  
North China Plain ◽  
North China ◽  
Management Problem ◽  
The North ◽  
Groundwater Overdraft ◽  
The North China Plain ◽  
Surface Water And Groundwater ◽  
The Cost

Abstract. Over-exploitation of groundwater reserves is a major environmental problem around the world. In many river basins, groundwater and surface water are used conjunctively and joint optimization strategies are required. A hydroeconomic modelling approach is used to find cost-optimal sustainable surface water and groundwater allocation strategies for a river basin, given an arbitrary initial groundwater level in the aquifer. A simplified management problem with conjunctive use of scarce surface water and groundwater under inflow and recharge uncertainty is presented. Because of head-dependent groundwater pumping costs the optimization problem is non-linear and non-convex, and a genetic algorithm is used to solve the 1-step-ahead sub-problems with the objective of minimizing the sum of immediate and expected future costs. A real-world application in the Ziya River Basin in northern China is used to demonstrate the model capabilities. Persistent overdraft from the groundwater aquifers on the North China Plain has caused declining groundwater tables, salinization and infiltration of \\hack{\\break} wastewater. The model maps the opportunity cost of water in different scenarios, and the cost of ending groundwater overdraft in the basin is estimated to be 5.47 billion CNY yr−1. The model can be used to guide decision makers to ensure long-term sustainability of groundwater and surface water resources management in the basin in an economically optimal way.

Energy/water budgets and productivity of the typical croplands irrigated with groundwater and surface water in the North China Plain

2013 ◽  
Vol 181 ◽  
pp. 133-142 ◽  
Author(s):  
Yanjun Shen ◽  
Yucui Zhang ◽  
Bridget R. Scanlon ◽  
Huimin Lei ◽  
Dawen Yang ◽  
...  
Keyword(s):  
Surface Water ◽  
North China Plain ◽  
North China ◽  
Water Budgets ◽  
The North ◽  
The North China Plain
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