Welcome

The Purdue Stable Isotope (PSI) facility is a state-of-the-art multi-user, stable isotope laboratory housed in the Earth, Atmospheric, and Planetary Sciences Department at Purdue University. PSI is co-directed by Tim Filley,  Greg Michalski, and Yuch Ning Shieh. Together with their students and collaborators from Purdue and beyond, the PSI group conducts research in a range of environmental and climate-related areas, including biogeochemistry, hydrology, ecology, and paleoclimatology. The PSI facility specializes in experimental biogeochemistry, education, and contract analyses.

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PSI Group