Rong Fu

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Daniele Bianchi (UCLA) - Oceanic...

Philip Rasch (Pacific Northwest...

Fiaz Ahmed (UCLA) - Probing...

Upcoming Seminar

Daniele Bianchi (UCLA) - Oceanic emissions of nitrous oxide: from global patterns to eddy-driven reactions

Wed, Nov 20, 2019

MS 7124

Assessment of the global budget of nitrous oxide (N2O) is limited by poor knowledge of the oceanic N2O flux to the atmosphere, whose magnitude, variability, and drivers are still uncertain. In the first part of the talk, I discuss a new, data-based reconstruction of oceanic N2O emissions that captures coastal hotspots and reveals a vigorous, globally synchronous seasonal cycle. In the second part of the talk, I discuss results from a high-resolution model of the Eastern Tropical South Pacific that resolves N2O cycling in oxygen-deficient waters. I show that denitrification is a dominant source of N2O, and that “eddy reaction” terms at the boundary of oxygen minimum zones enhance the rate of N2O production and reshape the anaerobic nitrogen cycle.

rfu [at] atmos.ucla.edu

Professor

MSA 7173

https://dept.atmos.ucla.edu/rongfu

Atmospheric and Oceanic Sciences

70°

Chance of Showers

Campus Address

Mailing Address

Contact Information

Campus Address	Mailing Address	Contact Information
520 Portola Plaza	UCLA Atmospheric & Oceanic Sciences	Students Services Office: (310) 825-1954
Math Sciences Building 7127	Box 951565	Email: studentinfo@atmos.ucla.edu
Los Angeles, CA 90095	Los Angeles, CA 90095-1565	Phone: (310) 825-1217