Biography：

Parv Suntharalingam is a Professor in the School of Environmental Sciences at the University of East Anglia, UK. Her research investigates the biogeochemical cycles of climatically important species in the atmosphere and ocean using numerical models in combination with a range of measurement sources. She has a Bachelor’s degree in Engineering from the University of Cambridge, UK, and a PhD in Chemical Oceanography from Princeton University, USA. Following postdoctoral work in the Atmospheric Chemistry Modeling group at Harvard University, she moved to the University of East Anglia, where she has led research projects funded by the UK’s Natural Environment Research Council, and by the European Union’s Horizon program. Other responsibilities include Associate Editor roles at the journals Global Biogeochemical Cycles (AGU) and at Earth System Dynamics (Copernicus). She has served as a member on international scientific panels including the SOLAS Scientific Steering Committee, and the Global N₂O Budget activity of the Global Carbon Project, and has contributed to a range of scientific assessment reports including the IPCC Working Group 1 AR6 report.

Abstract：

Earth’s climate and atmospheric chemistry is significantly influenced by the air-sea exchange of fluxes of greenhouse gases and climate-active species. These fluxes are controlled by a range of physical and biogeochemical processes in the upper ocean and atmospheric marine boundary layer. Significant progress has been made on our knowledge of these fluxes over the past years, however there are still many open questions on (i) the underlying oceanic processes, (ii) the magnitudes and distributions of these fluxes, and (iii) how they could change under anthropogenic and climate change impacts. In this talk, I will discuss work conducted in my group at the University of East Anglia to improve understanding and quantification of air-sea biogeochemical fluxes. Our research combines analyses of global numerical models of the ocean and atmosphere and available observations from a range of measurement platforms (land-based, shipboard, aircraft). The talk will cover investigations of key greenhouse gases and trace-species including: (i) improved process understanding of oceanic nitrous-oxide (N₂O) emissions using ocean biogeochemical models; (ii) quantification of air-sea fluxes of carbon-dioxide (CO₂) using atmospheric inverse model analyses; and (iii) investigations of ocean emissions of the sulfur compounds carbonyl-sulfide (COS) and dimethyl-sulfide (DMS).