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Archive – February 2012

Alan Marshall, an Australian geologist, died July 16, 2011, after a long battle with a rare brain disorder. He was 72.
On Saturday, February 25th, the Princeton Undergraduate Geosciences Society (PUGS) led a group of 25 undergraduate students on a field trip to the American Museum of Natural History (AMNH). Located in New York City, AMNH is one of the world’s most celebrated scientific and cultural museums in the world, hailed for its habitat dioramas, fossil halls, collection of gems and minerals, and more.
As the Earth's climate changes, the worst inundations from hurricanes and tropical storms could become far more common in low-lying coastal areas, a new study suggests. Researchers from Princeton University and the Massachusetts Institute of Technology found that regions such as the New York City metropolitan area that currently experience a disastrous flood every century could instead become submerged every one or two decades.
A new study, initiated and led by Lars Hedin, professor of ecology and evolutionary biology and an associated faculty member at the Princeton Environmental Institute, indicates that tropical forests leak large amounts of the plant nutrient nitrogen. Hedin’s coauthors include E.N. Jack Brookshire, a former postdoctoral student in Hedin’s lab and now assistant professor at Montana State University; Daniel M. Sigman, professor of geosciences at Princeton University; and J. Denis Newbold and Joh
Jon Kirby is visiting Princeton Geosciences for 7 weeks to work with Dr. Frederik Simons on spectral analysis methods in geophysics. Their work will address certain misapplications of such techniques in the recent literature.
A team of researchers including members of the Princeton Geosciences Department have recently achieved record high pressures in laboratory compression experiments. In the recent experiments, diamond was compressed to 50 million bars – a pressure that exceeds that at the center of Saturn!