Articles | Volume 22, issue 1
https://doi.org/10.5194/hess-22-221-2018
https://doi.org/10.5194/hess-22-221-2018
Research article
 | 
12 Jan 2018
Research article |  | 12 Jan 2018

Numerical modeling and sensitivity analysis of seawater intrusion in a dual-permeability coastal karst aquifer with conduit networks

Zexuan Xu, Bill X. Hu, and Ming Ye

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Latest update: 14 Dec 2024
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Short summary
This study helps hydrologists better understand the parameters in modeling seawater intrusion in a coastal karst aquifer. Local and global sensitivity studies are conducted to evaluate a density-dependent numerical model of seawater intrusion. The sensitivity analysis indicates that karst features are critical for seawater intrusion modeling, and the evaluation of hydraulic conductivity is biased in continuum SEAWAT model. Dispervisity is no longer important in the advection-dominated aquifer.