Aerosols in Polar Atmospheres

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The climate and the atmospheric environment are irreversibly changing due to growing greenhouse gas emissions, especially in polar regions. The Arctic is an ocean surrounded by land that is warming much faster than the rest of the planet. The Antarctic continent and its surrounded Southern Ocean are within the most near-pristine aerosol environments on our planet Earth. Both the Arctic and the Antarctic are an ensemble of regions with substantial spatial heterogeneity across marine, terrestrial, and freshwater biomes, with productivity and biodiversity patchiness super-imposed on strong environmental gradients.

Our ability to monitor polar aerosols and their role in cloud formation is limited by remoteness and sea-ice coverage, but an oversimplification of two broad natural sources governing the aerosol population in the polar regions - sea spray aerosol and non-sea salt sulfate - has been challenged in a recent intensification in aerosol measurement field campaigns. The local atmospheric composition of polar regions is remarkably different, investigating the geographical variation in surface types across these regions is the key to understanding local aerosols sources and processes.

This Collection aims to broaden our knowledge of the relevant physical, chemical, and biological components of polar atmospheric and climate science, with a particular focus on regional atmospheric aerosol composition. We invite Original Research and Review articles addressing primary and secondary aerosol response to warming and changes in the polar regions.

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The Collection will publish original research papers, and articles in various formats (full details on content types can be found here). Papers will be published in npj Climate and Atmospheric Science as soon as they are accepted and then collected together and promoted on the Collection homepage. All Collections are associated with a call for papers and are managed by one or more journal editors and/or Guest Editors.

This Collection welcomes submissions from all authors – and not by invitation only – on the condition that the manuscripts fall within the scope of the Collection and of  npj Climate and Atmospheric Science more generally. All submissions are subject to the same peer review process and editorial standards as regular npj Climate and Atmospheric Science articles, including the journal’s policy on competing interests. The Editors declare no competing interests with the submissions which they have handled through the peer review process. The peer review of any submissions for which the Editors have competing interests is handled by another Editor who has no competing interests. For more information, refer to our Collections guidelines.

This Collection is not supported by sponsorship.