Articles | Volume 22, issue 14
https://doi.org/10.5194/acp-22-9721-2022
https://doi.org/10.5194/acp-22-9721-2022
Research article
 | 
29 Jul 2022
Research article |  | 29 Jul 2022

Circum-Antarctic abundance and properties of CCN and INPs

Christian Tatzelt, Silvia Henning, André Welti, Andrea Baccarini, Markus Hartmann, Martin Gysel-Beer, Manuela van Pinxteren, Robin L. Modini, Julia Schmale, and Frank Stratmann

Data sets

Ice Nucleating Particle number concentration from low-volume sampling over the Southern Ocean during the austral summer of 2016/2017 on board the Antarctic Circumnavigation Expedition (ACE) Christian Tatzelt, Silvia Henning, Fiona Tummon, Markus Hartmann, Andrea Baccarini, André Welti, Katrianne Lehtipalo, and Julia Schmale https://doi.org/10.5281/zenodo.4311665

Cloud Condensation Nuclei number concentrations over the Southern Ocean during the austral summer of 2016/2017 on board the Antarctic Circumnavigation Expedition (ACE) Christian Tatzelt, Silvia Henning, Fiona Tummon, Markus Hartmann, Andrea Baccarini, André Welti, Katrianne Lehtipalo, Julia Schmale, and Robin Modini https://doi.org/10.5281/zenodo.4415495

Ionic composition of particulate matter (PM10) from high-volume sampling over the Southern Ocean during the austral summer of 2016/2017 on board the Antarctic Circumnavigation Expedition (ACE) Christian Tatzelt, Silvia Henning, Fiona Tummon, Markus Hartmann, Andrea Baccarini, André Welti, Katrianne Lehtipalo, Julia Schmale, and Manuela Van Pinxteren https://doi.org/10.5281/zenodo.3922147

10-day backward trajectories from ECMWF analysis data along the ship track of the Antarctic Circumnavigation Expedition in austral summer 2016/2017 Iris Thurnherr, Heini Wernli, and Franziska Aemisegger https://doi.org/10.5281/zenodo.4031705

Distance to the nearest land/coastline (including small subantarctic islands) for the five-minute average cruise track of the Antarctic Circumnavigation Expedition (ACE) during the austral summer of 2016/2017 Michele Volpi, Sebastian Landwehr, Jenny Thomas, and Julia Schmale https://doi.org/10.5281/zenodo.3832045

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Short summary
We present the abundance and origin of cloud-relevant aerosol particles in the preindustral-like conditions of the Southern Ocean (SO) during austral summer. Cloud condensation nuclei (CCN) and ice-nucleating particles (INP) were measured during a circum-Antarctic scientific cruise with in situ instrumentation and offline filter measurements, respectively. Transport processes were found to play an equally important role as local sources for both the CCN and INP population of the SO.
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