PBL Netherlands Environmental Assessment Agency, P.O. Box 303, 3720 AH Bilthoven, The Netherlands

Department of Earth Sciences – Geochemistry, Faculty of Geosciences, Utrecht University, P.O. Box 80021, 3508 TA Utrecht, The Netherlands

Department of Physical Geography – Faculty of Geosciences, Utrecht University, P.O. Box 80115, 3508 TC Utrecht, The Netherlands

Deltares, P.O. Box 85467, 3508 AL Utrecht, The Netherlands

Deltares, P.O. Box 85467, 3508 AL Utrecht, The Netherlands

Department of Innovation, Environmental and Energy Sciences – Faculty of Geosciences, Utrecht University, P.O. Box 80115, 3508 TA Utrecht, The Netherlands

TNO Geological Survey, P.O. Box 80 015, 3508 AL Utrecht, The Netherlands

Ecology and Biodiversity, Department of Biology, Faculty of Natural Sciences, Utrecht University, P.O. Box 800.84, 3508 TB Utrecht, The Netherlands

Department of Earth Sciences – Geochemistry, Faculty of Geosciences, Utrecht University, P.O. Box 80021, 3508 TA Utrecht, The Netherlands

Department of Physical Geography – Faculty of Geosciences, Utrecht University, P.O. Box 80115, 3508 TC Utrecht, The Netherlands

Department of Earth Sciences – Geochemistry, Faculty of Geosciences, Utrecht University, P.O. Box 80021, 3508 TA Utrecht, The Netherlands