1. Urban and Environmental Engineering, Liège Univ. (ULiège) Liège Belgium
2. Gembloux Agro‐Bio Tech Liège Univ. (ULiège) Gembloux Belgium
3. Earth and Life Institute, Environmental Science Univ. Catholique de Louvain Louvain‐la‐Neuve Belgium
4. CNRS, LPG Univ. of Nantes, Univ Angers UMR 6112 Nantes F‐44000 France
5. Agrosphere (IBG 3) Forschungszentrum Jülich Jülich Germany
6. Geophysics Section, Institute of Geosciences Univ. of Bonn Germany
7. Flemish Research Institute for Agriculture, Fisheries, and Food (ILVO) Melle Belgium