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2016 Reunion, Class Day and Commencement Geosciences event information and the "Class Day Ceremony Program" for download.
The Department of Geosciences and Princeton University congratulates Cara Magnabosco on successfully defending her Ph.D. thesis: "From Genes to Metagenomes:
Exploring Life Underground."
A digital version of the Spring 2016 "Smilodon" Alumni Newsletter is now published. Featured article: "Princeton researchers go to the end of the Earth for the world's oldest ice."
Princeton University's 269th Commencement Web pages. This information focuses on events for all seniors and advanced degree candidates.  Key event dates for 2016 are listed.
Good news about climate change is rare — but a research team led by geosciences scholar Chui Yim “Maggie” Lau has uncovered some less-bad news about the warming of the Arctic: While rising temperatures will release heat-trapping methane gas, they also will improve the effectiveness of bacteria in the soil that can remove methane from the atmosphere.
The Southern Ocean around Antarctica is active in deep ocean ventilation and thus important in the uptake of fossil fuel carbon dioxide and global warming heat. Prof. Daniel Sigman presents evidence that deep ocean ventilation by the Southern Ocean was slower during past ice ages and faster during warm interglacial periods. These findings raise possibilities that deep ocean ventilation by the Southern Ocean will accelerate into the global warming future, counter to most model-based expectation.
The Department of Geosciences and Princeton University congratulates Camelia Stan on successfully defending her Ph.D. thesis: "High-pressure studies of analogs with applications to materials science and geoscience."
To bridge the gap between projections of future sea-level rise and the need to prepare for it, a Princeton University researcher and collaborators developed a method that consolidates climate models and the range of opinions that leading scientists have about them into a single, consistent set of probabilities.
Princeton University researchers found that ocean currents can carry objects to almost any place on the globe in less than a decade, faster than previously thought. While good for microorganisms such as phytoplankton that are essential to the marine food web, it also means that plastic debris, radioactive particles and virtually any kind of litter can quickly become a problem in areas far from where they originated.
Kelly B. Sponberg ’98 died Aug. 28, 2015, in Silver Spring, Md., of cancer.  Sponberg majored in geology at Princeton, was an Outdoor Action leader, and an active volunteer in Trenton and the developing world. The department sends their sincere condolences to family, friends and all those who knew him here at Geosciences.