Earth and Planetary Sciences
6 years ago

Limited fresh groundwater in Zeeland, Netherlands prompts urgent conservation efforts.

Environmental Research Letters
Large-scale, probabilistic salinity mapping using airborne electromagnetics for groundwater management in Zeeland, the Netherlands
Joost Delsman, E. S. van Baaren, B. Siemon, Willem Dabekaussen, M. Karaoulis, P.S. Pauw, Tommer Vermaas, Huite Bootsma, P. G. B. de Louw, Jan Gunnink, C.W. Dubelaar, Armin Menkovic, A. Steuer, Uwe Meyer, A. Revil, Gualbert Oude Essink

Paper Summary

Seawater intrusion has reduced fresh groundwater in Zeeland, Netherlands. Scientists used airborne electromagnetics to map groundwater salinity. They created a detailed 3D model showing limited fresh groundwater, mainly in dune areas and sandy ridges. Fresh groundwater was found below saline water, protected by clay layers. Uncertainty in the results was highest at transition zones between fresh and saline water. This study helps manage fresh groundwater in Zeeland by providing accurate information to stakeholders.

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