The kinetics of ammonium uptake and oxidation during winter across the Indian sector of the Southern Ocean

Mhlangabezi Mdutyana1, Xin Sun2, Jessica Burger1, Sandy Jane Thomalla3, Bess B Ward4 and Fawcett Sarah1, (1)University of Cape Town, Oceanography, Cape Town, South Africa, (2)Princeton University, Princeton, NJ, United States, (3)CSIR, Southern Ocean Carbon and Climate Observatory, South Africa, (4)Princeton University, Department of Geosciences, Princeton, NJ, United States