Ice sheet dynamics and mass balance; continental dynamics; estuarine processes; linkages between ice sheet processes and subglacial geology.
Tropical climate: dynamics of ITCZs and monsoons. Past and future anthropogenic climate change, especially over Africa. Adaptation to climate change in developing countries.
Soils, aqueous geochemistry, sediment redox cycling, biogeochemistry, mineralogy, applications of spectroscopy in earth sciences.
Dendrochronology, dendroclimatology; tropical forest ecosystems; arctic treeline studies.