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Aerosol–cloud interactions: The representation of heterogeneous ice activation in cloud models

Kärcher, Bernd and Marcolli, Claudia (2021) Aerosol–cloud interactions: The representation of heterogeneous ice activation in cloud models. Atmospheric Chemistry and Physics (ACP), pp. 15213-15220. Copernicus Publications. doi: 10.5194/acp-21-15213-2021. ISSN 1680-7316.

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Official URL: https://doi.org/10.5194/acp-21-15213-2021

Abstract

The homogeneous nucleation of ice in supercooled liquid-water clouds is characterized by timedependent freezing rates. By contrast, water phase transitions induced heterogeneously by ice-nucleating particles (INPs) are described by time-independent ice-active fractions depending on ice supersaturation (s). Laboratory studies report ice-active particle number fractions (AFs) that are cumulative in s. Cloud models budget INP and ice crystal numbers to conserve total particle number during water phase transitions.

Item URL in elib:https://elib.dlr.de/144628/
Document Type:Article
Title:Aerosol–cloud interactions: The representation of heterogeneous ice activation in cloud models
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Kärcher, BerndDLR, IPAhttps://orcid.org/0000-0003-0278-4980UNSPECIFIED
Marcolli, ClaudiaIAC, ETH ZurichUNSPECIFIEDUNSPECIFIED
Date:13 October 2021
Journal or Publication Title:Atmospheric Chemistry and Physics (ACP)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI:10.5194/acp-21-15213-2021
Page Range:pp. 15213-15220
Publisher:Copernicus Publications
ISSN:1680-7316
Status:Published
Keywords:aerosol-cloud interactions, cirrus clouds, deterministic ice nucleation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Atmospheric and climate research
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Trace Species
Deposited By: Kärcher, Prof. Bernd
Deposited On:18 Oct 2021 08:07
Last Modified:24 May 2022 23:47

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