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dc.contributor.authorMahesha, A.-
dc.date.accessioned2020-03-31T08:18:59Z-
dc.date.available2020-03-31T08:18:59Z-
dc.date.issued2009-
dc.identifier.citationJournal of Environmental Engineering, 2009, Vol.135, 10, pp.980-988en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/10353-
dc.description.abstractThe effect of subsurface barrier on the motion of the saltwater-freshwater interface in coastal aquifers is analyzed for wide ranging freshwater pumping scenarios. A Galerkin finite-element model considering sharp interface approach is used for this purpose. A semi-pervious subsurface barrier extending up to impervious bottom of the aquifer is considered at certain distance inland, parallel to the seacoast. The effect of barrier is analyzed in checking the advancement of the saltwater-freshwater interface under different scenarios of freshwater withdrawals at seaward and landward locations of the barrier and compared with nonbarrier conditions. The results indicated that barrier is able to check the advancement of the intrusion significantly and in certain cases, the progress is completely stalled for withdrawals on the landward side. Also, marked variations in the interface profile are observed as compared to no barrier condition, especially, for the seaward freshwater developments. From the model, nearest possible locations from the seacoast have been worked out for the safe withdrawal of freshwater where their effects are negligible on the saltwater advancement. 2009 ASCE.en_US
dc.titleConceptual model for the safe withdrawal of freshwater from coastal aquifersen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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