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Title: Can Ice-Nucleating Aerosols Affect Arctic Seasonal Climate?

Abstract

To date, climate and regional models have generally proven unsuccessful at simulating Arctic cloudiness, particularly during the colder months. Models tend to underpredict the amount of liquid water in mixed-phase clouds, which are ubiquitous in this region. This is problematic because cloud coverage and phase can greatly impact the Arctic radiative budget. Using recent measurements of ice nucleating aerosol, we show that incorrect, or nonexistent, parameterizations of aerosol-cloud interactions are at least partially responsible for the poor model predictions. Moreover, we show that this can lead to errors in the modeled surface radiative energy budget of 10-100 W m-2.

Authors:
; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
985063
Report Number(s):
PNNL-SA-47093
Journal ID: ISSN 0003-0007; ISSN 1520-0477; KP1704010; TRN: US201016%%1750
DOE Contract Number:
AC05-76RL01830
Resource Type:
Journal Article
Resource Relation:
Journal Name: Bulletin of the American Meteorological Society, 88(4):541-550; Journal Volume: 88; Journal Issue: 4
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; AEROSOLS; CLIMATES; CLOUDS; ECOSYSTEMS; ENERGY BALANCE; WATER; aerosols; Arctic; cloudiness

Citation Formats

Prenni, Anthony J., Harrington, Jerry Y., Tjernstrom, Michael, DeMott, Paul J., Avramov, Alexander, Long, Charles N., Kreidenweis, Sonia M., Olsson, Peter Q., and Verlinde, J. Can Ice-Nucleating Aerosols Affect Arctic Seasonal Climate?. United States: N. p., 2007. Web. doi:10.1175/BAMS-88-4-541.
Prenni, Anthony J., Harrington, Jerry Y., Tjernstrom, Michael, DeMott, Paul J., Avramov, Alexander, Long, Charles N., Kreidenweis, Sonia M., Olsson, Peter Q., & Verlinde, J. Can Ice-Nucleating Aerosols Affect Arctic Seasonal Climate?. United States. doi:10.1175/BAMS-88-4-541.
Prenni, Anthony J., Harrington, Jerry Y., Tjernstrom, Michael, DeMott, Paul J., Avramov, Alexander, Long, Charles N., Kreidenweis, Sonia M., Olsson, Peter Q., and Verlinde, J. Sun . "Can Ice-Nucleating Aerosols Affect Arctic Seasonal Climate?". United States. doi:10.1175/BAMS-88-4-541.
@article{osti_985063,
title = {Can Ice-Nucleating Aerosols Affect Arctic Seasonal Climate?},
author = {Prenni, Anthony J. and Harrington, Jerry Y. and Tjernstrom, Michael and DeMott, Paul J. and Avramov, Alexander and Long, Charles N. and Kreidenweis, Sonia M. and Olsson, Peter Q. and Verlinde, J.},
abstractNote = {To date, climate and regional models have generally proven unsuccessful at simulating Arctic cloudiness, particularly during the colder months. Models tend to underpredict the amount of liquid water in mixed-phase clouds, which are ubiquitous in this region. This is problematic because cloud coverage and phase can greatly impact the Arctic radiative budget. Using recent measurements of ice nucleating aerosol, we show that incorrect, or nonexistent, parameterizations of aerosol-cloud interactions are at least partially responsible for the poor model predictions. Moreover, we show that this can lead to errors in the modeled surface radiative energy budget of 10-100 W m-2.},
doi = {10.1175/BAMS-88-4-541},
journal = {Bulletin of the American Meteorological Society, 88(4):541-550},
number = 4,
volume = 88,
place = {United States},
year = {Sun Apr 01 00:00:00 EDT 2007},
month = {Sun Apr 01 00:00:00 EDT 2007}
}