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WHAT WE DO

Natural abundance stable isotopes of N and O in nitrite and nitrate can be powerful tools for interpreting nitrogen

biogeochemistry in the environment. Our research interests focus around measuring the isotope systematics of

relevant microbial nitrogen transformation processes and using these values to interpret natural abundance iso-

topes in a wide range of environments including wastewater, lakes, estuaries, rivers and the ocean. An overarching

goal of the research is to use these tools to understand how anthropogenic nitrogen pollution has affected our

local ecosystems.