Articles | Volume 22, issue 2
Research article
08 Feb 2018
Research article |  | 08 Feb 2018

Impact of coastal forcing and groundwater recharge on the growth of a fresh groundwater lens in a mega-scale beach nourishment

Sebastian Huizer, Max Radermacher, Sierd de Vries, Gualbert H. P. Oude Essink, and Marc F. P. Bierkens

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Cited articles

Allen, R. G., Pereira, L. S., Raes, D., and Smith, M.: Crop Evapotranspiration-Guidelines for Computing Crop Water Requirements. FAO Irrigation and Drainage Paper 56, FAO – Food and Agriculture Organization of the United Nations, Rome, Italy, 1998. 
Aquavision, Boskalis, Deltares, EcoShape, Imares, Nortek, Oregon State University, Provincie Zuid-Holland, Rijkswaterstaat, Shore Monitoring and Research, TU Delft, University of Twente, Utrecht University, Van Oord, VU University Amsterdam, and Wageningen University: Sand Motor raw data 2011–2016, TU Delft, Faculty of Civil Engineering and Geosciences, Department of Hydraulic Engineering, Dataset,, 2017. 
Colombani, N., Osti, A., Volta, G., and Mastrocicco, M.: Impact of Climate Change on Salinization of Coastal Water Resources, Water Resour. Manag., 30, 2483–2496,, 2016. 
de Schipper, M. A., de Vries, S., Ruessink, G., de Zeeuw, R. C., Rutten, J., van Gelder-Maas, C., and Stive, M. J. F.: Initial spreading of a mega feeder nourishment: Observations of the Sand Engine pilot project, Coast. Eng., 111, 23–38,, 2016. 
Short summary
For a large beach nourishment called the Sand Engine we have examined the impact of groundwater recharge, tides, storm surges, and geomorphological changes on the growth of the fresh groundwater resources between 2011 and 2016. With detailed model simulations of these coastal processes we were able to get a good match with field measurements, and demonstrated the importance of wave runup and coastal erosion in studies on fresh groundwater in such dynamic coastal environments.