Isotopic analysis of ice cores, greenhouse gases, and many other matrices; looking at biogeochemistry, carbon cycling and climate change.
Development and analysis of stable isotopes in ice cores on a continuous flow melter system attached to CRDS.
Analysis of stable isotopes in atmospheric carbon dioxide and methane.
Analysis of C, N, O, H, and S isotopes in a range of sample types.
Carbon cycling in semi arid regions with in soil processes.