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Open AccessArticle

Specific Types and Adaptability Evaluation of Managed Aquifer Recharge for Irrigation in the North China Plain

1
School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
2
School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
*
Author to whom correspondence should be addressed.
Water 2020, 12(2), 562; https://doi.org/10.3390/w12020562
Received: 30 September 2019 / Revised: 2 January 2020 / Accepted: 14 February 2020 / Published: 18 February 2020
(This article belongs to the Special Issue Managed Aquifer Recharge for Water Resilience)
The North China Plain is the main grain production district in China, with a large area of well irrigation resulting in a large groundwater depression cone. In the 1970s and 1980s, small-scale managed aquifer recharge (MAR) projects were developed to recharge shallow groundwater, which played an important role in ensuring stable and high crop yields. MAR projects are divided into 10 types based on local water conservancy characteristics. The combined use of well–canal irrigation has been widespread in the Yellow River Irrigation District of Shandong Province for nearly 40 years, where canals play multiple roles of transporting and storing Yellow River water or local surface water, recharging groundwater and providing canal irrigation. Moreover, the newly developed open channel–underground perforated pipe–shaft–water saving irrigation system can further expand the scope and amount of groundwater recharge and prevent system clogging through three measures. Finally, an adaptability zoning evaluation system of water spreading has been established in Liaocheng City of Shandong Province based on the following five factors: groundwater depth, thickness of fine sand, specific yield, irrigation return flow, and groundwater extraction intensity. The results show that MAR is more adaptable to the western region than to the eastern and central regions. View Full-Text
Keywords: types of MAR for irrigation; Yellow River Irrigation District; adaptability zoning evaluation types of MAR for irrigation; Yellow River Irrigation District; adaptability zoning evaluation
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MDPI and ACS Style

Liu, S.; Wang, W.; Qu, S.; Zheng, Y.; Li, W. Specific Types and Adaptability Evaluation of Managed Aquifer Recharge for Irrigation in the North China Plain. Water 2020, 12, 562.

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