Articles | Volume 20, issue 2
https://doi.org/10.5194/acp-20-771-2020
https://doi.org/10.5194/acp-20-771-2020
Research article
 | 
22 Jan 2020
Research article |  | 22 Jan 2020

Natural sea-salt emissions moderate the climate forcing of anthropogenic nitrate

Ying Chen, Yafang Cheng, Nan Ma, Chao Wei, Liang Ran, Ralf Wolke, Johannes Größ, Qiaoqiao Wang, Andrea Pozzer, Hugo A. C. Denier van der Gon, Gerald Spindler, Jos Lelieveld, Ina Tegen, Hang Su, and Alfred Wiedensohler

Data sets

EMAC_2010.nc Y. Chen, J. Lelieveld, and A. Pozzer https://doi.org/10.17635/lancaster/researchdata/297

NCEP sea surface temperature NCEP SST https://polar.ncep.noaa.gov/sst/

Observation data of atmospheric chemical composition and physical properties EBAS http://ebas.nilu.no/default.aspx

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Short summary
Particulate nitrate is one of the most important climate cooling agents. Our results show that interaction with sea-salt aerosol can shift nitrate to larger sized particles (redistribution effect), weakening its direct cooling effect. The modelling results indicate strong redistribution over coastal and offshore regions worldwide as well as continental Europe. Improving the consideration of the redistribution effect in global models fosters a better understanding of climate change.
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