Tess Russo, Ph.D.¹ and Upmanu Lall, Ph.D.², (1)Department of Geosciences, Pennsylvania State University, University Park, PA, (2)Earth and Environmental Engineering, Columbia University, New York, NY

Luis Marin¹, Omar Tapia, Ph.D.², Eduardo Cota, M.S. Ecology³, Oscar Martinez, MBA⁴ and Rosa Leal-Bautista⁵, (1)Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Mexico, Mexico, (2)Hidrobiologia, Universidad Autonoma Metropolitana Unidad Iztapalapa, Mexico DF, Mexico, (3)Conservation, Pronatura de Mexico, AC, Mexico DF, Mexico, (4)Consultores Sostenibles, Mexico DF, Mexico, (5)Water Sciences Unit, Yucatan Center for Scientific Research, Quintana Roo, Mexico

Steve Luis¹, Alka Singhal², Truong Mai³, George Linkletter, Ph.D.⁴ and Catherine Talbot⁵, (1)ENVIRON International Corporation, (2)Ramboll Environ, Emeryville, CA, (3)ERM, Irvine, CA, (4)ENVIRON International Corporation, Little Deer Isle, ME, (5)TBA, Louisville, CO

Sharon B. Megdal, Ph.D., Water Resources Research Center, The University of Arizona, Tucson, AZ