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Example of article with exposure of various monitoring techniques
Louw, P.G.B., de, Eeman, S., Siemon, B., Voortman, B.R., Gunnink, J., van Baaren, E.S., and Oude Essink, G.H.P., 2011, Shallow rainwater lenses in deltaic areas with saline seepage, Hydrol. Earth Syst. Sci., 15, 3659-3678.
link to HESS
Presentation on 22nd Salt Water Intrusion Meeting, Buzios, Brazil, June 17-21, 2012 Gualbert Oude Essink, Geophysics Applied to Coastal Aquifer Studies