Salvatore Savastano, Mark E. Pattle, Albert Garcia-Mondéjar, isardSAT Ltd, United Kingdom; Victor Estella-Perez, Lobelia Earth, S.L., Spain; Paula Gomes da Silva, Jara Martínez Sánchez, IHCantabria – Instituto de Hidráulica Ambiental de la Universidad de Cantabria, Spain; Andres Payo, British Geological Survey, United Kingdom; Yeray Castillo, Xavier Monteys, Geological Survey Ireland, Ireland