Syee Weldeab, University of California Santa Barbara, Santa Barbara, CA, United States, Carsten Rühlemann, BGR Federal Institute for Geosciences and Natural Resources, Hannover, Germany, Qinghua Ding, UCSB, Geography, Santa Barbara, CA, United States, Vyacheslav C. Khon, University of Kiel, Kiel, Germany, Birgit Schneider, University of Kiel - CAU, Institut für Geowissenschaften, Kiel, Germany and William Robert Gray, University of California Santa Barbara, Santa Barbara, United States