Articles | Volume 15, issue 9
Atmos. Chem. Phys., 15, 5195–5210, 2015
https://doi.org/10.5194/acp-15-5195-2015
Atmos. Chem. Phys., 15, 5195–5210, 2015
https://doi.org/10.5194/acp-15-5195-2015

Research article 11 May 2015

Research article | 11 May 2015

Ice nucleation by combustion ash particles at conditions relevant to mixed-phase clouds

N. S. Umo et al.

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Cited articles

ACAA: Coal Ash Material Safety – a Health Risk-Based Evaluation of USGS Coal Ash Data from Five US Power Plants, American Coal Ash Association, Chelmsford, MA, 2012.
ACCA: Coal Combustion Products Production and Use Statistics by American Coal Ash Association, Advancing The Management and Use of Coal Combustion Products, Michigan, 2013.
Adriano, D. C., Page, A. L., Elseewi, A. A., Chang, A. C., and Straughan, I.: Utilization and disposal of fly ash and other coal residues in terrestrial ecosystems: a review, J. Environ. Qual., 9, 333–344, 1980.
Ansmann, A., Tesche, M., Seifert, P., Althausen, D., Engelmann, R., Fruntke, J., Wandinger, U., Mattis, I., and Müller, D.: Evolution of the ice phase in tropical altocumulus: samum lidar observations over Cape Verde, J. Geophys. Res.-Atmos., 114, D17208, https://doi.org/10.1029/2008JD011659, 2009.
Archuleta, C. M., DeMott, P. J., and Kreidenweis, S. M.: Ice nucleation by surrogates for atmospheric mineral dust and mineral dust/sulfate particles at cirrus temperatures, Atmos. Chem. Phys., 5, 2617–2634, https://doi.org/10.5194/acp-5-2617-2005, 2005.
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Short summary
Combustion ash particles nucleate ice in the immersion mode at conditions relevant to mixed-phase clouds. Hence, combustion ashes could play an important role in primary ice formation in mixed-phase clouds, especially in clouds that are formed near the emission source of these aerosol particles. From this study, there is a need to quantify the atmospheric abundance of combustion ashes in order to quantitatively assess the impact of combustion ashes on mixed-phase clouds.
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