Purdue Stable Isotope (PSI) Facility psi logo Department of Earth, Atmospheric, and Planetary Sciences


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 Lisa Welp. 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.


Earth, Atmospheric, and Planetary Sciences, 550 Stadium Mall Drive, West Lafayette, IN 47907 • Phone: (765) 494-3258 • Fax: (765) 496-1210 • Contact Us

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