Her research interests are in sea level, ocean circulation and dynamics, air-sea interaction, and climate variability and change. Among her recent work is an analysis of patterns of sea level change in the Indian Ocean and the influence of North Atlantic circulation on glacial sea level changes. Dr. Han serves on a panel of the World Climate Research Programme's CLIVAR (Climate Variability and Predictability) project, and is a recipient of an NSF Faculty Early CAREER Award. She received a B.S. in meteorology from the Nanjing Institute of Meteorology, an M.S. in meteorology from the Chinese Academy of Meteorological Sciences, and a Ph.D. in physical oceanography from the Nova Southeastern University Oceanographic Center.