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August 15, 2025Open Access

Unique Microphysical Properties of Small Boundary Layer Ice Particles under Pristine Conditions on Dome C, Antarctica

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Authors

AHA. HamelMGMassimo Del GuastaCSCarl Schmitt

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Overview

In situ analysis measures ice particle size and concentration in Antarctica, suggesting unique characteristics compared to the Arctic.

Key Points

  • Mean particle sizes during ice fog events are smaller than 11 μm, indicating unique conditions in Antarctic air.
  • Ice fog particle concentration at Dome C is 3.9 L−1, significantly lower than urban ice fog levels observed in Fairbanks, Alaska.
  • Multi-week in situ optical measurements captured ice particle characteristics with high temporal resolution, enhancing data accuracy.
  • Different parametrization is needed for Antarctic ice particles due to their pristine nature compared to Arctic particles.

Cite This Study

Hamel et al. (2025) studied this question.

synapsesocial.com/papers/68a365740a429f797332bcc7https://doi.org/10.5194/egusphere-2025-3598
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