Results 21 to 30 of about 645,925 (247)

Heterogeneous ice nucleation on dust particles sourced from nine deserts worldwide – Part 2: Deposition nucleation and condensation freezing [PDF]

Atmospheric Chemistry and Physics, 2019
Mineral dust particles from deserts are amongst the most common ice nucleating particles in the atmosphere. The mineralogy of desert dust differs depending on the source region and can further fractionate during the dust emission processes. Mineralogy to
Y. Boose, Y. Boose, P. Baloh, M. Plötze, J. Ofner, H. Grothe, B. Sierau, U. Lohmann, Z. A. Kanji   +8 more
doaj   +1 more source

Effects of pre-existing ice crystals on cirrus clouds and comparison between different ice nucleation parameterizations with the Community Atmosphere Model (CAM5) [PDF]

Atmospheric Chemistry and Physics, 2015
In order to improve the treatment of ice nucleation in a more realistic manner in the Community Atmosphere Model version 5.3 (CAM5.3), the effects of pre-existing ice crystals on ice nucleation in cirrus clouds are considered. In addition, by considering
X. Shi, X. Liu, K. Zhang
doaj   +1 more source

Micro-thermography for imaging ice crystal growth and nucleation inside non-transparent materials [PDF]

, 2023
Ice crystal growth and nucleation rate measurements are usually done using visible light micros-copy in liquid and transparent samples. Yet, the understanding of important practical problems depends on monitoring ice growth inside solid materials.
Martin , Zalazar, Ran, Drori, Fredy, Zypman, Zalazar, Martin, Zypman, Fredy, Drori, Ron   +5 more
core   +2 more sources

Heterogeneous ice nucleation on dust particles sourced from nine deserts worldwide – Part 1: Immersion freezing [PDF]

Atmospheric Chemistry and Physics, 2016
Desert dust is one of the most abundant ice nucleating particle types in the atmosphere. Traditionally, clay minerals were assumed to determine the ice nucleation ability of desert dust and constituted the focus of ice nucleation studies over several ...
Y. Boose, Y. Boose, A. Welti, A. Welti, J. Atkinson, F. Ramelli, A. Danielczok, H. G. Bingemer, M. Plötze, B. Sierau, Z. A. Kanji, U. Lohmann   +11 more
doaj   +1 more source

Anthropogenic Aerosols Effects on Ice Clouds: A Review

Atmosphere, 2022
Since the ability of anthropogenic aerosols to act as ice nucleation particles has been recognized, the effect of anthropogenic aerosols on ice clouds has attracted increasing attentions.
Yang Yang, Run Liu
doaj   +1 more source

Ice nucleation ability of ammonium sulfate aerosol particles internally mixed with secondary organics [PDF]

Atmospheric Chemistry and Physics, 2021
The abundance of aerosol particles and their ability to catalyze ice nucleation are key parameters to correctly understand and describe the aerosol indirect effect on the climate.
B. Bertozzi, R. Wagner, J. Song, K. Höhler, J. Pfeifer, H. Saathoff, T. Leisner, O. Möhler   +7 more
doaj   +1 more source

Specific Ion–Protein Interactions Influence Bacterial Ice Nucleation [PDF]

, 2021
Ice nucleation‐active bacteria are the most efficient ice nucleators known, enabling the crystallization of water at temperatures close to 0 ˚C, and thereby overcoming the kinetically hindered phase transition process at these conditions.
Ralph Schwidetzky, Ulrich Pöschl, Nagata, Y., Pöschl, U., Mischa Bonn, Domke, Katrin F., Schwidetzky, R., Fröhlich-Nowoisky, J., Koop, T., Konrad Meister, Koop, Thomas ; https://orcid.org/, YazdanYar, A., Yuki Nagata, Kunert, Anna T., Bonn, M., Lukas, Max, Katrin F. Domke, Schwidetzky, Ralph, Frohlich-Nowoisky, Janine, Nagata, Yuki, Domke, K., Janine Fröhlich‐Nowoisky, Kunert, A., Yazdan Yar, A., Azade YazdanYar, Max Lukas, Thomas Koop, Bonn, Mischa, Lukas, M., YazdanYar, Azade, Anna T. Kunert, Meister, K., Poschl, Ulrich, Meister, Konrad   +33 more
core   +3 more sources

Homogeneous ice nucleation in adsorbed water films: a theoretical approach [PDF]

Atmospheric Chemistry and Physics
Ice nucleation plays a critical role in cloud formation and atmospheric processes, influencing precipitation and climate. In this study, we present a theoretical approach for describing homogeneous ice nucleation within adsorbed water films on insoluble ...
A. Laaksonen, A. Laaksonen, G. Roudsari, A. A. Piedehierro, A. Welti   +4 more
doaj   +1 more source

Perspectives on the Future of Ice Nucleation Research: Research Needs and Unanswered Questions Identified from Two International Workshops

Atmosphere, 2017
There has been increasing interest in ice nucleation research in the last decade. To identify important gaps in our knowledge of ice nucleation processes and their impacts, two international workshops on ice nucleation were held in Vienna, Austria in ...
Ivan Coluzza, Jessie Creamean, Michel J. Rossi, Heike Wex, Peter Aaron Alpert, Valentino Bianco, Yvonne Boose, Christoph Dellago, Laura Felgitsch, Janine Fröhlich-Nowoisky, Hartmut Herrmann, Swetlana Jungblut, Zamin A. Kanji, Georg Menzl, Bruce Moffett, Clemens Moritz, Anke Mutzel, Ulrich Pöschl, Michael Schauperl, Jan Scheel, Emiliano Stopelli, Frank Stratmann, Hinrich Grothe, David G. Schmale   +23 more
doaj   +1 more source

Homogeneous and heterogeneous ice nucleation at LACIS: operating principle and theoretical studies [PDF]

Atmospheric Chemistry and Physics, 2011
At the Leipzig Aerosol Cloud Interaction Simulator (LACIS) experiments investigating homogeneous and heterogeneous nucleation of ice (particularly immersion freezing in the latter case) have been carried out.
S. Hartmann, D. Niedermeier, J. Voigtländer, T. Clauss, R. A. Shaw, H. Wex, A. Kiselev, F. Stratmann   +7 more
doaj   +1 more source