Articles | Volume 20, issue 6
https://doi.org/10.5194/acp-20-3777-2020
https://doi.org/10.5194/acp-20-3777-2020
Research article
 | 
30 Mar 2020
Research article |  | 30 Mar 2020

Aerosol hygroscopicity and its link to chemical composition in the coastal atmosphere of Mace Head: marine and continental air masses

Wei Xu, Jurgita Ovadnevaite, Kirsten N. Fossum, Chunshui Lin, Ru-Jin Huang, Colin O'Dowd, and Darius Ceburnis

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Short summary
A humidified tandem differential mobility analyser (HTDMA) and a high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) were simultaneously deployed during winter at Mace Head observatory to characterise the hygroscopicity of marine aerosols and their link to chemical composition. Good agreement was generally found between measured and estimated growth factors. A significant degree of external mixing was found in all air masses manifesting primary and secondary sources.
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