Xuyuan (Ellen) is a sixth year graduate student in the Geosciences department at Princeton. She received her B.S. in Environmental Science from University of Science and Technology of China. Xuyuan is interested in the interaction between ocean biogeochemical cycles and climate. She is currently working on interpreting nitrogen isotopic signals…

Mason Scher is a graduate student interested in exploring several isotope systems (N, C, Mg, Ca, K) in efforts to understand the ecology and environmental conditions of the geologic past. 

Keiran Swart is a sixth year graduate student in the Geosciences department at Princeton. He received his B.S. in Geoscience at the University of Miami in 2012 joining the Sigman lab-group with prior research experience in geomicrobiology and geochemistry.  Keiran is interested in reconstructing paleoclimatology using geochemical methods…