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Water 2015, 7(10), 5768-5787; doi:10.3390/w7105768

Numerical Simulation of Groundwater Flow in a River Valley Basin in Jilin Urban Area, China

1
Key Laboratory of Groundwater Resources and Environment, Ministry of Education, College of Environment and Resources, Jilin University, 2519 Jiefang Rd, 130021 Changchun, China
2
Canon (China) Co., LTD. Zhongyin Biulding, No.726, Xi’an Rd, 130000 Changchun, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Karl-Erich Lindenschmidt
Received: 28 June 2015 / Revised: 9 October 2015 / Accepted: 13 October 2015 / Published: 21 October 2015
(This article belongs to the Special Issue Geospatial Modeling of River Systems)
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Abstract

In order to evaluate the groundwater resources and aquifer system of the Jilin urban area (JUA), a groundwater numerical flow model was established by using the groundwater modeling system based on data from 190 boreholes. River stages were interpolated to control the groundwater flow field. The input parameters such as hydraulic conductivity and specific yield were based on data from 260 pumping test data. The model was calibrated by trial and error, simulated results were compared to the observed head and contour maps, which were generally in good agreement, and the root mean squared error was 0.66 m. Sensitivity analysis was carried out and recharge proved to be the most sensitive factor in this model. The water budget showed that the input was 2.07× 108 m3/a, which was smaller than the output of 2.21 × 108 m3/a. A groundwater level decline and cone of depression exist in the Songhua and Aolong river valley. The JUA aquifer systems can be well and efficiently modeled by constructing a numerical model. Based on the supply and demand analysis of water resources, the established model would finally provide a scientific basis to use the groundwater resources sustainably in JUA. View Full-Text
Keywords: Jilin urban area; groundwater flow model; Groundwater Modeling System (GMS); groundwater flow system; groundwater resources Jilin urban area; groundwater flow model; Groundwater Modeling System (GMS); groundwater flow system; groundwater resources
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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MDPI and ACS Style

Qiu, S.; Liang, X.; Xiao, C.; Huang, H.; Fang, Z.; Lv, F. Numerical Simulation of Groundwater Flow in a River Valley Basin in Jilin Urban Area, China. Water 2015, 7, 5768-5787.

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