Christian Massari, Italian National Research Council (CNR), Perugia, Italy, Thierry Pellarin, CNRS, The Institute for Geosciences and Environmental research (IGE), Grenoble, France, Luca Brocca, Research Institute for Geo-Hydrological Protection National Research Council CNR, Perugia, Italy, Gab Abramowitz, University of New South Wales, Sydney, NSW, Australia, Paolo Filippucci, Italian National Research Council (CNR), Rome, Italy, Luca Ciabatta, Italian National Research Council (CNR), IRPI, Perugia, Italy, Viviana Maggioni, George Mason University Fairfax, Sid and Reva Dewberry Dept. of Civil, Environmental & Infrastructure Engineering, Fairfax, VA, United States, Yann H Kerr, CNES French National Center for Space Studies, Toulouse Cedex 09, France and Diego Fernandez-Prieto, European Space Research Institute (ESRIN) - European Space Agency (ESA), Frascati, Italy