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AS3.11/OS3.5

Ship Plumes: Impacts on atmospheric chemistry, climate and nutrient supply to the oceans (co-organized)
Convener: Roland von Glasow (deceased) | Co-Convener: Adina Paytan 
Poster Programme
 / Attendance Mon, 04 Apr, 17:30–19:00  / Display Mon, 04 Apr, 08:00–19:30  / Halls X/Y
Emissions of gases and particles from ocean-going ships may have a major impact on both photochemistry of the marine boundary layer and the biogeochemistry of the surface ocean. This problem has for a while been recognised for the atmosphere but very little work seems to have been done so far for the impact on the ocean. We would like to bring scientists from different backgrounds together in this session to discuss the following and related questions:

(i) How large are ship emissions and where are they located?
(ii) How can sub-grid-scale ship plumes be parameterised in numerical models?
(iii) What are the regional and global quantitative impacts of ship emissions on atmospheric photochemistry?
(iv) What are the regional and global impacts of ship emissions on climate forcing?
(v) Does nitrogen or heavy metal deposition due to ship emissions impact ocean biogeochemistry?

This session is in support of the Mid-Term Strategy of the Surface Ocean Lower Atmosphere (SOLAS) program.