Hydroclimate variability in North Africa and the Middle East through the Neogene.Millennial and orbital-scale variability in ocean circulation.Using radiogenic isotopes to fingerprint dust from source to sink.Exploring climatic influences on evolutionary outcomes of life on land.
Research interests include the study of past climates, in particular from varve archives in freshwater and marine environments, the mineralogy of fine-grained clay-rich sediments, and the application of electron microscopy techniques to archaeological materials.