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Water 2018, 10(7), 874; https://doi.org/10.3390/w10070874

The Effect Evaluation of Comprehensive Treatment for Groundwater Overdraft in Quzhou County, China

1
State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
2
College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
3
College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
4
Institute of Water Resources and Hydrology, Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China
5
School of Water Conservancy and Hydroelectric Power, Hebei University of Engineering, Handan 056021, China
*
Author to whom correspondence should be addressed.
Received: 12 May 2018 / Revised: 24 June 2018 / Accepted: 28 June 2018 / Published: 30 June 2018
(This article belongs to the Section Water Resources Management and Governance)
Full-Text   |   PDF [3018 KB, uploaded 30 June 2018]   |  

Abstract

In recent years, land subsidence in the plain areas of Hebei Province has caused a tremendous potential safety hazard, and has seriously hindered the social and economic development of Hebei Province. Therefore, the relevant ministries and commissions of China decided to implement comprehensive treatments to restore and protect groundwater in Hebei Province from 2014. This paper evaluates the effect of the comprehensive treatments implemented at Quzhou County in 2014 and 2015. Based on socio-economic and surface and groundwater data, the study converted “electricity to water amount” to obtain the actual amount of agricultural groundwater exploitation, and then drew the effective precipitation and agricultural groundwater exploitation amount (P-W) curve. Finally, the study calculated the restriction amount of agricultural groundwater exploitation and validated the groundwater exploitation restriction effect by the variation of groundwater depth. The restriction amounts of agricultural groundwater exploitation of the projects (including water conservancy projects, agricultural projects, and forestry projects) implemented in 2014 and 2015 were 10.54 million m3 and 5.65 million m3, respectively. The target completion ratios were 79.1% in 2014 and 100.8% in 2015, respectively. The groundwater depths of the project regions and the county have restored to some extent. Therefore, this study illustrated that the comprehensive treatments have played an effective role in groundwater recovery and the restriction of groundwater exploitation has not caused the reduction of grain production. The results of this study can also provide effective references and technical supports of the comprehensive treatments of groundwater overdraft for other similar regions. View Full-Text
Keywords: groundwater overdraft; comprehensive treatment; effect evaluation; water and food security groundwater overdraft; comprehensive treatment; effect evaluation; water and food security
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Xu, T.; Yan, D.; Weng, B.; Bi, W.; Do, P.; Liu, F.; Wang, Y.; Ma, J. The Effect Evaluation of Comprehensive Treatment for Groundwater Overdraft in Quzhou County, China. Water 2018, 10, 874.

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