RESEARCH

Current funded Research Projects


NSF Chemical Oceanography Collaborative Research: Resolving the production and fate of nitrogenous metabolites in the surface ocean. With coPI Katherine Heal (Integral Consulting) and PI Oscar Sosa (University of Puget Sound).

Simons Foundation SCOPE Investigator: Connecting genomes and metabolomes to their biogeochemical consequences at Station ALHOA. For additional information about this program, see the SCOPE Collaboration Webpage and Simons Foundation SCOPE Webpage.

Simons Foundation SCOPE-Gradients: Model-driven investigation of ocean transition zones.

NSF Polar Programs Collaborative Research: Time Matters - A Comparison of diatom 14C and Thermochemical 14C dating methods in sediment records of ice retreat from the East and West Antarctic Margins. With Brad Rosenheim and Amelia Shevenell (University of South Florida).

Previous Projects

NSF Biological Oceanography Characterizing the contribution of bacteria from the SUP05 clade to autotrophic and heterotrophic carbon cycling across ocean gradients. With Robert Morris, UW Oceanography Morris Lab Webpage

NSF Major Research Instrumentation MRI: Acquisition of a liquid chromatograph-mass spectrometer for microbial metabolomics.

NSF Biological Oceanography EAGER: Characterizing biological function across a persistent oceanographic “hotspot” in the NE Pacific Ocean

NSF Dimensions of Biodiversity Collaborative research: Significance of nitrification in shaping planktonic diversity in the ocean.

NSF Chemical Oceanography Molecular and isotopic composition of novel biomarkers in diatom frustules as indicators of past ocean conditions.

NSF Biological Oceanography Collaborative Research: Quantifying the role of Group I Crenarchaeota in the marine nitrogen cycle using cultures and environmental monitoring of ammonia oxidation, 16S rRNA genes and lipid biomarkers.

Current MMRC Instruments:

Thermo Q Exactive HF (Orbitrap)


Waters Xevo TQ-S (triple quadrupole)