Research Interests:   Coupled biogeochemical cycles, characterization of particulate and dissolved organic matter, greenhouse gas emissions from aquatic systems, effects on land use on water quantity and quality, contaminants of emerging concern such as PFAS and neonicotinoid pesticides.

Research Interests:   Estuarine biogeochemistry, freshwater biogeochemistry, wetland restoration, aquaculture, ecosystem services

Research Interests:   Effects of Light on Living Organisms, particularly UV on Phytoplankton and Marine Microbiota, Long Term Variation of Incident UV, UV Transmittance of Natural Waters, Dynamics of Dissolved Organic Matter, Citizen Science approaches to monitoring water quality

Research Interests:   Sediment biogeochemistry, carbon cycling, methane, gas hydrates, stable isotope geochemistry, chromatography, methane in Arctic systems

Research Interests:   Water quality, nitrogen, phosphorus, watershed biogeochemistry, isotopes, agriculture, nutrient management, soil fertility

Research Interests:   Carbon and greenhouse gas cycling in wetlands and forests, plant-microbe processes and interactions that regulate methane dynamics, the stability of tidal wetlands faced with accelerated sea level rise, the responses of wetlands to elevated carbon dioxide, warming, nitrogen eutrophication, and invasive species.

Research Interests:   greenhouse gas cycling, ecosystem ecology, soil-plant-atmosphere continuum, salt marshes, herbaceous wetlands, global change ecology, plant-microbe interactions, invasive species

Research Interests:   Sustainable nutrient management, nitrogen cycles, sustainable agriculture, food security, international trade, system resilience, green house gases emissions, bio-economic model

Research Interests:   Stable isotope ecology, Ecology and evolution of C4 grasses, Wind-wildlife interactions, Watershed biogeochemistry, Microbial biogeography

Research Interests:   Eutrophication, numerical modeling, oxygen depletion, acidification, estuarine ecology