The Department of Geosciences,
Princeton University

Congratulates

John Tracey

on successfully defending his Ph.D. thesis

"Biogeochemistry of Nitrogen Cycling in Low O₂ Waters From Oxygen Minimum Zones, Soda Lakes, to Cultures"

on

Tuesday, September 6, 2022

Adviser:  Bess B. Ward

The examining committee members were:
Bess B. Ward, Xinning Zhang, Satish Myneni and Tobias Giesseu (University of Michigan)