Regionally sourced bioaerosols drive high-temperature ice nucleating particles in the Arctic

G Pereira Freitas, K Adachi, F Conen… - Nature …, 2023 - nature.com
Primary biological aerosol particles (PBAP) play an important role in the climate system,
facilitating the formation of ice within clouds, consequently PBAP may be important in …

[HTML][HTML] Conditions favorable for secondary ice production in Arctic mixed-phase clouds

JT Pasquier, J Henneberger, F Ramelli… - Atmospheric …, 2022 - acp.copernicus.org
The Arctic is very susceptible to climate change and thus is warming much faster than the
rest of the world. Clouds influence terrestrial and solar radiative fluxes and thereby impact …

[HTML][HTML] A full year of aerosol size distribution data from the central Arctic under an extreme positive Arctic Oscillation: insights from the Multidisciplinary drifting …

M Boyer, D Aliaga, JB Pernov, H Angot… - Atmospheric …, 2023 - acp.copernicus.org
The Arctic environment is rapidly changing due to accelerated warming in the region. The
warming trend is driving a decline in sea ice extent, which thereby enhances feedback loops …

[HTML][HTML] Composition and mixing state of Arctic aerosol and cloud residual particles from long-term single-particle observations at Zeppelin Observatory, Svalbard

K Adachi, Y Tobo, M Koike, G Freitas… - Atmospheric …, 2022 - acp.copernicus.org
The Arctic region is sensitive to climate change and is warming faster than the global
average. Aerosol particles change cloud properties by acting as cloud condensation nuclei …

Surface warming in Svalbard may have led to increases in highly active ice-nucleating particles

Y Tobo, K Adachi, K Kawai, H Matsui, S Ohata… - … Earth & Environment, 2024 - nature.com
The roles of Arctic aerosols as ice-nucleating particles remain poorly understood, even
though their effects on cloud microphysics are crucial for assessing the climate sensitivity of …

Aerosol size distribution properties associated with cold-air outbreaks in the Norwegian Arctic

AS Williams, JL Dedrick, LM Russell… - Atmospheric …, 2024 - acp.copernicus.org
The aerosol particles serving as cloud condensation and ice nuclei contribute to key cloud
processes associated with cold-air outbreak (CAO) events but are poorly constrained in …

In situ observation of multiphase oxidation-driven secondary organic aerosol formation during cloud processing at a mountain site in southern China

M Gao, S Zhou, Y He, G Zhang, N Ma, Y Li… - … & Technology Letters, 2023 - ACS Publications
Secondary organic aerosols (SOAs) account for a large fraction of atmospheric fine particles,
but the mechanisms of their formation and evolution processes remain unclear. In this study …

Drivers controlling black carbon temporal variability in the lower troposphere of the European Arctic

S Gilardoni, D Heslin-Rees, M Mazzola… - Atmospheric …, 2023 - acp.copernicus.org
Black carbon (BC) is a short-lived climate forcer affecting the Arctic climate through multiple
mechanisms, which vary substantially from winter to summer. Several models still fail in …

Understanding the history of two complex ice crystal habits deduced from a holographic imager

JT Pasquier, J Henneberger, A Korolev… - Geophysical …, 2023 - Wiley Online Library
The sizes and shapes of ice crystals influence the radiative properties of clouds, as well as
precipitation initiation and aerosol scavenging. However, ice crystal growth mechanisms …

Contribution of fluorescent primary biological aerosol particles to low-level Arctic cloud residuals

G Pereira Freitas, B Kopec, K Adachi… - Atmospheric …, 2024 - acp.copernicus.org
Mixed-phase clouds (MPCs) are key players in the Arctic climate system due to their role in
modulating solar and terrestrial radiation. Such radiative interactions rely, among other …