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EMSlimflex: Flexible monitoring of fresh-saltwater interfaces
Example of article with exposure of various monitoring techniques
Louw, P.G.B., de, Eeman, S., Siemon, B., Voortman, B.R., Gunnink, J., Baaren, E.S., van and G.H.P. Oude Essink, Shallow rainwater lenses in deltaic areas with saline seepage, Hydrol. Earth Syst. Sci. Discuss., 8, 7657-7707, 2011.
link to HESS