AYERS, John C.1, WANG, Xiaomei
2 and KATSIAFICAS, Nathan J.
2, (1)Earth & Environmental Sciences, Vanderbilt University, PMB 351805, 2301 Vanderbilt Pl, Nashville, TN 37235-1805, (2)Earth & Environmental Sciences, Vanderbilt University, 2301 Vanderbilt Pl, PMB 351805, Nashville, TN 37235, john.c.ayers@vanderbilt.edu