Haiqing Xu¹, Shailesh van der Steeg¹, Raymond Torres², Jessica Chassereau Sullivan³ and Enrica Viparelli⁴, (1)University of South Carolina Columbia, Earth and Ocean Sciences, Columbia, SC, United States, (2)University of South Carolina, Earth and Ocean Sciences, Columbia, SC, United States, (3)University of South Carolina, Columbia, SC, United States, (4)University of South Carolina, Civil and Environmental Engineering, Columbia, SC, United States