Articles | Volume 20, issue 21
https://doi.org/10.5194/acp-20-13671-2020
https://doi.org/10.5194/acp-20-13671-2020
Research article
 | 
13 Nov 2020
Research article |  | 13 Nov 2020

From a polar to a marine environment: has the changing Arctic led to a shift in aerosol light scattering properties?

Dominic Heslin-Rees, Maria Burgos, Hans-Christen Hansson, Radovan Krejci, Johan Ström, Peter Tunved, and Paul Zieger

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Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Aerosol particles are one important key player in the Arctic climate. Using long-term measurements of particle light scattering from an observatory on Svalbard, this study investigates the reasons behind an observed shift towards larger particles seen in the last 2 decades. We find that increases in sea spray are the most likely cause. Air masses from the south-west have increased significantly, suggestive of a potential mechanism, whilst the retreat in sea ice has a marginal influence.
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