Colin J Gleason, University of Massachusetts Amherst, Civil & Environmental Engineering, Amherst, MA, United States, Kang Yang, Nanjing University, School of Geography and Ocean Science, Nanjing, China, Laurence C Smith, Brown University, Providence, RI, United States, Lincoln H Pitcher, University of California Los Angeles, Los Angeles, CA, United States and Dongmei Feng, University of Massachusetts Amherst, Amherst, United States