1 AIT Asian Institute of Technology

Experimental study on salt water intrusion in coastal aquifer

AuthorWang, Paul Ching-shen
Call NumberAIT Thesis no. 1366
Subject(s)Saltwater encroachment
Aquifers
NoteA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand
PublisherAsian Institute of Technology
AbstractHele-Shaw model experiments were conducted using oil (to represent fresh water) and fresh water (to represent salt water) in a 140 cm. length model to simulate salt water intrusion problem in coastal aquifers. Experiments were done under normal conditions, and with infiltration gallery at different locations within the flow domain for various water table levels above MSL (H ) . Several withdrawal ratios were considered to observe the different degree of upcoming of the Interface. The experimental results were used to check the validity of the approximate solution based on Dupuit and Ghyben-Herzberg assumptions. From the dimensionless analysis, graphical solutions were obtained that can clearly determine, for a given withdrawal ratio, the depth of the infiltration gallery below MSL as well as the distance of the gallery from the shore. The graphical solutions can also be used to determine the critical withdrawal ratio suggested by BEAR and DAGAN. Finally, systematic procedure is presented to find such a solution with the aid of the experimental graphs in more detail.
Year1979
TypeThesis
SchoolStudent Research Before 1979
DepartmentOther Field of Studies (No Department)
Academic Program/FoSThesis (Year <=1979)
Chairperson(s)Arbhabhirama Anat ; Gupta, Ashim Das
Examination Committee(s)Suphat Vongvisessomjai
Scholarship Donor(s)Government of Republic of China
DegreeThesis (M.Eng.) - Asian Institute of Technology, 1979


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