Articles | Volume 23, issue 10
https://doi.org/10.5194/acp-23-5641-2023
https://doi.org/10.5194/acp-23-5641-2023
Research article
 | 
22 May 2023
Research article |  | 22 May 2023

Modelling wintertime sea-spray aerosols under Arctic haze conditions

Eleftherios Ioannidis, Kathy S. Law, Jean-Christophe Raut, Louis Marelle, Tatsuo Onishi, Rachel M. Kirpes, Lucia M. Upchurch, Thomas Tuch, Alfred Wiedensohler, Andreas Massling, Henrik Skov, Patricia K. Quinn, and Kerri A. Pratt

Model code and software

WRF-Chem 3.9.1.1: MOSAIC sea-spray emissions Eleftherios Ioannidis, Kathy Law, Jean-Christophe Raut, Louis Marelle, Tatsuo Onishi, Rachel M. Kirpes, Lucia M. Upchurch, Andreas Massling, Henrik Skov, Patricia K. Quinn, and Kerri A. Pratt https://doi.org/10.5281/zenodo.7502210

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Short summary
Remote and local anthropogenic emissions contribute to wintertime Arctic haze, with enhanced aerosol concentrations, but natural sources, which also contribute, are less well studied. Here, modelled wintertime sea-spray aerosols are improved in WRF-Chem over the wider Arctic by including updated wind speed and temperature-dependent treatments. As a result, anthropogenic nitrate aerosols are also improved. Open leads are confirmed to be the main source of sea-spray aerosols over northern Alaska.
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