Organic Biogeochemistry, Environmental metabolomics, Fate of terrestrial dissolved organic matter and Effects of natural organic matter in the solubility of anthropogenic pollutants.
Fate, transport and health (ecosystem and human) impacts of pollutants, particularly emerging contaminants and marine plastics in coastal and marine environments.
Stable isotope biogeochemistry; Transport, fate, and air-sea-land exchange processes of volatile organic compounds and reactive nitrogen; Bulk and compound-specific stable isotope analysis method development
Hyperspectral imaging and image analysis of a variety of materials, material characterization through spectral signatures and spatial distributions, and thermal imaging and visible-range digital image classification
Compound/Position Specific Carbon and Nitrogen Isotopic Analysis in Amino Acids and Application in Oceanography and Ecology. Stable Isotope Biogeochemistry of Greenhouse Gases in Alaskan Peatlands.
