Josep M Pares, CENIEH, Burgos, Spain, David J Anastasio, Lehigh University, Earth & Environmental Sciences, Bethlehem, PA, United States, Mathieu Duval, Griffith University, Nathan, Australia, Monica Powers, Lehigh University, Bethlehem, United States and Kenneth P Kodama, Lehigh University, Earth and Environmental Sciences, Bethlehem, PA, United States