Articles | Volume 22, issue 8
Atmos. Chem. Phys., 22, 5725–5742, 2022
https://doi.org/10.5194/acp-22-5725-2022

Special issue: Marine organic matter: from biological production in the ocean...

Atmos. Chem. Phys., 22, 5725–5742, 2022
https://doi.org/10.5194/acp-22-5725-2022
Research article
02 May 2022
Research article | 02 May 2022

High number concentrations of transparent exopolymer particles in ambient aerosol particles and cloud water – a case study at the tropical Atlantic Ocean

Manuela van Pinxteren et al.

Data sets

Transparent exopolymer particles (TEP) and sodium in ambient aerosol particles and cloud water at Cape Verde islands M. van Pinxteren https://doi.org/10.1594/PANGAEA.938169

Ice nucleating particles measured in air, cloud and seawater at the Cape Verde Atmospheric Observatory (CVAO) X. Gong, H. Wex, M. van Pinxteren, N. Triesch, K. W. Fomba, J. Lubitz, C. Stolle, T.-B. Robinson, T. Müller, H. Herrmann, and F. Stratmann https://doi.org/10.1594/PANGAEA.906946

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Short summary
A class of marine particles (transparent exopolymer particles, TEPs) that is ubiquitously found in the world oceans was measured for the first time in ambient marine aerosol particles and marine cloud waters in the tropical Atlantic Ocean. TEPs are likely to have good properties for influencing clouds. We show that TEPs are transferred from the ocean to the marine atmosphere via sea-spray formation and our results suggest that they can also form directly in aerosol particles and in cloud water.
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