Andrea Ustra, University of Sao Paulo, Sao Paulo, United States, Carlos Alberto Mendonça, IAG Institute of Astronomy, Geophysics and Atmospheric Sciences, Sao Paulo, Brazil, Aruã Leite Sr, Geosciences Environnement Toulouse, Toulouse, France, Melina Macouin, GET / OMP, Toulouse, France, Giovanna Ery Tocuti, Universidade de São Paulo, São Paulo, Brazil and Rory Doherty, Queen's University Belfast, School of Natural and Built Environment, Belfast, United Kingdom