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Volume 12
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10.3390/w12030625
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Article

Response of Groundwater Levels in a Coastal Aquifer to Tidal Waves and Rainfall Recharge

by
Ping-Cheng Hsieh
*,
Jing-Lun Huang
and
Ming-Chang Wu
Department of Soil and Water Conservation, National Chung Hsing University, Taichung 40227, Taiwan
*
Author to whom correspondence should be addressed.
Water 2020, 12(3), 625; https://doi.org/10.3390/w12030625
Submission received: 31 December 2019 / Revised: 20 February 2020 / Accepted: 24 February 2020 / Published: 25 February 2020
(This article belongs to the Section Hydraulics and Hydrodynamics)
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Abstract

Groundwater level in coastal aquifers is usually affected by tidal waves and rainfall recharge. Therefore, the objective of this study is to present a mathematical model to account for the effects of tidal waves and rainfall recharge simultaneously. The model is based on the Dupuit–Forchheimer assumptions and is separated into a tidal waves component and rainfall recharge component. A new more general analytical solution for the recharge component is acquired by the generalized integral transform technique. The beach slope, the inclination of an impermeable base of an aquifer, and any randomly distributed rainfall recharge are taken into account in the model. A new finding is that the highest fluctuation in groundwater levels might occur when the range of rainfall recharge is larger than the decay length.
Keywords: groundwater level; tidal wave; sloping aquifer; recharge groundwater level; tidal wave; sloping aquifer; recharge

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MDPI and ACS Style

Hsieh, P.-C.; Huang, J.-L.; Wu, M.-C. Response of Groundwater Levels in a Coastal Aquifer to Tidal Waves and Rainfall Recharge. Water 2020, 12, 625. https://doi.org/10.3390/w12030625

AMA Style

Hsieh P-C, Huang J-L, Wu M-C. Response of Groundwater Levels in a Coastal Aquifer to Tidal Waves and Rainfall Recharge. Water. 2020; 12(3):625. https://doi.org/10.3390/w12030625

Chicago/Turabian Style

Hsieh, Ping-Cheng, Jing-Lun Huang, and Ming-Chang Wu. 2020. "Response of Groundwater Levels in a Coastal Aquifer to Tidal Waves and Rainfall Recharge" Water 12, no. 3: 625. https://doi.org/10.3390/w12030625

APA Style

Hsieh, P.-C., Huang, J.-L., & Wu, M.-C. (2020). Response of Groundwater Levels in a Coastal Aquifer to Tidal Waves and Rainfall Recharge. Water, 12(3), 625. https://doi.org/10.3390/w12030625

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