Pore condensation and freezing is responsible for ice formation below water saturation for porous particles

RO David, C Marcolli, J Fahrni, Y Qiu… - Proceedings of the …, 2019 - National Acad Sciences
Ice nucleation in the atmosphere influences cloud properties, altering precipitation and the
radiative balance, ultimately regulating Earth's climate. An accepted ice nucleation pathway …

[HTML][HTML] Fundamental aspects of ice nucleation via pore condensation and freezing including Laplace pressure and growth into macroscopic ice

C Marcolli - Atmospheric Chemistry and Physics, 2020 - acp.copernicus.org
Pore condensation and freezing (PCF) is an ice nucleation mechanism that explains ice
formation at low ice supersaturation. It assumes that liquid water condenses in pores of solid …

Atmospheric ice nucleation

DA Knopf, PA Alpert - Nature Reviews Physics, 2023 - nature.com
Atmospheric ice nucleation is crucial for global precipitation and affects the structure, lifetime
and reflectivity of clouds, thereby impacting climate. Ice nucleates in various ways from …

Active sites for ice nucleation differ depending on nucleation mode

MA Holden, JM Campbell… - Proceedings of the …, 2021 - National Acad Sciences
The nucleation of ice crystals in clouds is poorly understood, despite being of critical
importance for our planet's climate. Nucleation occurs largely at rare “active sites” present on …

Nucleation-and emergence-limited growth of ice from pores

JM Campbell, HK Christenson - Physical Review Letters, 2018 - APS
Nucleation of ice from vapor on atmospheric aerosols has been attributed to the
condensation and freezing of supercooled water in small pores. Here we use wedge pores …

Deposition nucleation viewed as homogeneous or immersion freezing in pores and cavities

C Marcolli - Atmospheric Chemistry and Physics, 2014 - acp.copernicus.org
Heterogeneous ice nucleation is an important mechanism for the glaciation of mixed phase
clouds and may also be relevant for cloud formation and dehydration at the cirrus cloud …

[HTML][HTML] Ice nucleation abilities of soot particles determined with the Horizontal Ice Nucleation Chamber

F Mahrt, C Marcolli, RO David… - Atmospheric …, 2018 - acp.copernicus.org
Ice nucleation by different types of soot particles is systematically investigated over the
temperature range from 218 to 253 K relevant for both mixed-phase (MPCs) and cirrus …

Pre-activation of ice-nucleating particles by the pore condensation and freezing mechanism

R Wagner, A Kiselev, O Möhler… - Atmospheric …, 2016 - acp.copernicus.org
In spite of the resurgence in ice nucleation research a comparatively small number of
studies deal with the phenomenon of pre-activation in heterogeneous ice nucleation. Fifty …

[HTML][HTML] Soot PCF: pore condensation and freezing framework for soot aggregates

C Marcolli, F Mahrt, B Kärcher - Atmospheric Chemistry and …, 2021 - acp.copernicus.org
Atmospheric ice formation in cirrus clouds is often initiated by aerosol particles that act as ice-
nucleating particles. The aerosol–cloud interactions of soot and associated feedbacks …

Ice nucleation by aerosols from anthropogenic pollution

B Zhao, Y Wang, Y Gu, KN Liou, JH Jiang, J Fan… - Nature …, 2019 - nature.com
The formation of ice particles in the atmosphere strongly affects cloud properties and the
climate. While mineral dust is known to be an effective ice nucleating particle, the role of …