Articles | Volume 25, issue 15
https://doi.org/10.5194/acp-25-8455-2025
https://doi.org/10.5194/acp-25-8455-2025
Research article
 | 
04 Aug 2025
Research article |  | 04 Aug 2025

Particle flux–gradient relationships in the high Arctic: emission and deposition patterns across three surface types

Theresa Mathes, Heather Guy, John Prytherch, Julia Kojoj, Ian Brooks, Sonja Murto, Paul Zieger, Birgit Wehner, Michael Tjernström, and Andreas Held

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Particle flux-gradient relationships for the expedition ARTofMELT, Arctic Ocean, 2023 Theresa Mathes and Andreas Held PANGAEA.974992

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Short summary
The Arctic is warming faster than the global average and an investigation of aerosol–cloud–sea ice interactions is crucial for studying its climate system. During the ARTofMELT Expedition 2023, particle and sensible heat fluxes were measured over different surfaces. Wide lead surfaces acted as particle sources, with the strongest sensible heat fluxes, while closed ice surfaces acted as particle sinks. In this study, methods to measure these interactions are improved, enhancing our understanding of Arctic climate processes.
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