Principal Investigator

Brett Walker

Assistant Professor

Canada Research Chair in Accelerator Mass Spectrometry
and Marine Biogeochemistry

Department of Earth and Environmental Science, University of Ottawa

Google Scholar, ResearchGate

Graduate Students

Aislinn Fox

MSc student
afox047 (at)

Thesis: Evaluating sources and cycling of particulate organic matter in Baffin Bay using radiocarbon and stable carbon isotopes

Kayla McKee

MSc student
kmcke038 (at)

Thesis: Evaluating the Molecular Composition of Total Dissolved Organic Matter in Baffin Bay using 1H-NMR Spectroscopy

Liam Jasperse

MSc student
ljasp084 (at)

Thesis: Isotopic composition and cycling of dissolved organic carbon in the Canadian Arctic

underGraduate Students

Lauren O'Reilly

Honors BSc student

Thesis: Distribution of dissolved organic carbon and total nitrogen in Baffin Bay

Shayna Dehaan

UROP student

Molecular Composition of Dissolved Organic Matter in the Canadian Arctic Achipelago

Shanie Nikolajew

Honors BSc student

[co-advised with Clement Bataille]

Thesis: Radiocarbon and stable isotopes as tracers of Narwhal migration and foraging behavoir in the Canadian Arctic

Former Students

Sara Zeidan

MSc 2021

Currently working at Health Canada