Shaneeza Aziz¹, Cecilia M McHugh², William B F Ryan³, Pierre Henry⁴, Julia Kende⁵, Michael Delligatti¹ and Kazuyo Tachikawa⁶, (1)Queens College, City University of New York, USA, Flushing, NY, United States, (2)Queens College, City University of New York and Lamont Doherty Earth Observatory, USA, Flushing, NY, United States, (3)Lamont -Doherty Earth Observatory, USA, Palisades, NY, United States, (4)CEREGE, Aix-en-Provence, France, Aix-En-Provence, France, (5)Aix Marseille University, CEREGE, Aix-en-Provaence, France, Paris, France, (6)Aix Marseille Univ, CNRS, IRD, INRA, Coll France, CEREGE, France, Aix-en-Provence Cedex, France