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Water 2016, 8(9), 412;

A New Method for Evaluating Riverside Well Locations Based on Allowable Withdrawal

State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
Author to whom correspondence should be addressed.
Academic Editors: Y. Jun Xu, Guangxin Zhang and Hongyan Li
Received: 3 June 2016 / Revised: 15 August 2016 / Accepted: 31 August 2016 / Published: 21 September 2016
(This article belongs to the Special Issue Tackling Complex Water Problems in China under Changing Environment)
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This study aims to derive the optimal solution for well locations based on the allowable withdrawal. To demonstrate the proposed technique, a numerical model of a typical well field at the Qinbei Power Plant was constructed and 20 possible drawdown scenarios were simulated for each of three different arrangements of pumping wells. The concept of the Unit Increased Drawdown Value (UIDV) was used as a basis to select the location of pumping wells, where the UIDV is defined as the increase in drawdown associated with the addition of a unit of extraction. Results showed that for modeled well fields with the same number of wells and rates of exploitation, drawdown will reach the maximum and minimum when the well field is located in the recharge zone and discharge zone, respectively, because of the specific relationships between groundwater and surface water. This paper considered a pumping program with maximum exploitation and minimum costs corresponding to allowable withdrawals of 2.44 m3/s and 1.07 m3/s, respectively, and the relationship between groundwater and surface water was elucidated. The study results provide a theoretical basis for the layout of wells. The solution takes economic factors into consideration and describes the best solution for well locations to meet drawdown limitations during pumping applications. View Full-Text
Keywords: riverside; pumping wells; drawdown; UIDV; location selection riverside; pumping wells; drawdown; UIDV; location selection

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Chen, S.; Shu, L.; Lu, C. A New Method for Evaluating Riverside Well Locations Based on Allowable Withdrawal. Water 2016, 8, 412.

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