Climate controls on submarine volcanism:
Ice Age variability in dust delivery to the oceans:
Sedimentary archives of dust delivery to the open ocean can be used to investigate changes in continental aridity, atmospheric circulation, mineral aerosol burden, and nutrient delivery to the marine environment over a wide range of climatic conditions. I use the same data sets generated to study hydrothermal systems to constrain variability in dust delivery to the Mid-Atlantic and examine its implications for African climatic conditions over the last glacial cycle.
Ice sheet stability:
I am interested in the stability of Antarctic ice sheets over periods of climatic change. An additional component of my graduate work is to constrain the behavior of the West Antarctic Ice Sheet over the past ~5 million years using cosmogenic exposure dating of rock samples collected above and below the ice in the Trans-Antarctic Mountains.