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Numerical Analyses of Potential Losses of Freshwater Resources in Coastal Aquifers Caused by Global Climate Change Using an Appropriate Boundary Condition
| Title: | Numerical Analyses of Potential Losses of Freshwater Resources in Coastal Aquifers Caused by Global Climate Change Using an Appropriate Boundary Condition |
| Author: | Mizuno, Jun |
| Description: | Coastal regions face various hydrological problems including saltwater intrusion in the aquifers. One of the processes affecting saltwater intrusion is sea-level rise caused by global climate change. Sea-level rise could enhance saltwater intrusion and cause a decrease in freshwater resources from aquifers. The boundary condition with variable mass flux and constant pressures, the Dynamic Mass Flux Boundary (DMFB), was examined for the numerical simulation of saltwater intrusion in coastal aquifers. The results showed the DMBF to be more accurate than the typically-used Dirichlet boundary. Using the DMFB, the effects of potential sea-level rise on saltwater intrusion and the freshwater supply in coastal aquifers with heterogeneous permeability fields were investigated. The impact of pumping was also examined in conjunction with the effects of sea-level rise. It is found that heterogeneous permeability fields greatly enhanced the saltwater intrusion process under the combined effects of sea-level rise and pumping. |
| Permanent Link: |
http://rave.ohiolink.edu/etdc/view?acc_num=osu1213328150
http://hdl.handle.net/2374.OX/106310 |
| Date: | 2008 |
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