Associate Professor and Director of the Office of Undergraduate Biology, Cornell University
Ph.D., Botany, Washington State University, 1998
B.S., University of Utah, 1994
I am interested in ways that organisms influence the cycling of elements and energy within ecosystems and between ecosystems and the atmosphere. Biogeochemical variation often results from both natural and human-induced environmental changes and human impacts are often an important part of our work. We use a variety of analytical methods with a focus on stable isotopes.
87Sr/86Sr, Ca/Sr, and Ge/Si ratios as tracers of solute sources and biogeochemical cycling at a temperate forested shale catchment, central Pennsylvania, USA. Meek, Katherine, Derry, Louis, Sparks, Jed, and Cathles, Lawrence (2016): Chemical Geology, vol. 445, 84–102
Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.
Tree-driven redistribution of mineral nutrients in a temperate forested shale catchment. Fiona Soper*, Samuel Chamberlain, Louis A Derry, Jed P Sparks (2018): Abstract B21I-2439 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14
EP23E-3637 Ge/Si, Ca/Sr and 87Sr/86Sr tracers of biogeochemical sources and cycling of Si and Ca at the Shale Hills CZO . Louis Derry • Katherine Meek • Jed Sparks (2014): 2014 AGU Annual Fall Meeting, San Francisco, CA, Dec 15-19th