Articles | Volume 22, issue 7
https://doi.org/10.5194/hess-22-3951-2018
https://doi.org/10.5194/hess-22-3951-2018
Research article
 | 
20 Jul 2018
Research article |  | 20 Jul 2018

Analysis of three-dimensional unsaturated–saturated flow induced by localized recharge in unconfined aquifers

Chia-Hao Chang, Ching-Sheng Huang, and Hund-Der Yeh

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Cited articles

Bansal, R. K. and Teloglou, I. S.: An analytical study of groundwater fluctuations in unconfined leaky aquifers induced by multiple localized recharge and withdrawal, Global Nest J., 15, 394–407, 2013. 
Batu, V.: Flow net for unsaturated infiltration from periodic strip sources, Water Resour. Res., 16, 284–288, 1980. 
Bear, J.: Hydraulics of Groundwater, McGraw-Hill, New York, 1979. 
Bianchi, W. C. and Haskell, E. E.: Field observations compared with Dupuit-Forchheimer theory for mound heights under a recharge basin, Water Resour. Res., 4, 1049–1057, https://doi.org/10.1029/WR004i005p01049, 1968. 
Chang, C.-H., Huang, C.-S., and Yeh, H.-D.: Technical Note: Three-dimensional transient groundwater flow due to localized recharge with an arbitrary transient rate in unconfined aquifers, Hydrol. Earth Syst. Sci., 20, 1225–1239, https://doi.org/10.5194/hess-20-1225-2016, 2016. 
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Short summary
Existing analytical solutions associated with groundwater recharge are only applicable to the studies of saturated flow in aquifers. This paper develops an analytical solution for 3-D unsaturated–saturated flow due to localized recharge into an unconfined aquifer. The effects of unsaturated flow on the recharge process are analyzed. The present solution agrees well with a finite-difference solution. The solution’s predictions also match well with observed data obtained by a field experiment.