from an article by Bill McAuliffe at the Star Tribune:"Erika Wertz might measure her college career in tree rings. Wertz, a University of Minnesota senior, has been studying what the rings in bur oak trees in the Red River Valley can reveal about floods in the distant past, which someday may also indicate what the future might hold for the flood-prone Red and its broad, populated, level valley. Wertz's research is similar to other studies in "paleoclimatology," in which researchers look for clues about past weather and climate events by studying ice cores as well as layers of pollen, volcanic ash and the like laid down long before the advent of modern record-keeping."
Read the full story here.
