Hvalsø church,  Norse Eastern Settlement

South Greenland 2011

Ph.D. Geology, University of Toronto 2007

M.S. Geosciences, University of Massachusetts, Amherst 2001

B.A. (Hon.) Geology, Vassar College 1998


I am a Quaternary paleoecologist with a specialization in Arctic environmental change. Specifically, I use diatoms and other fossil remains in lake sediments to reconstruct changing environmental conditions resulting from eutrophication, 20th and 21st Century climate warming, or Holocene natural variability.


In the news!

New Scientist piece

CBC Quirks and Quarks interview mp3

National Geographic news piece