Effects of crystallographic properties on the ice nucleation properties of volcanic ash particles

Gourihar Kulkarni, Manjula Nandasiri, Alla Zelenyuk, Josef Beranek, Nitesh Madaan, Arun Devaraj, Vaithiyalingam Shutthanandan, Suntharampillai Thevuthasan, Tamas Varga

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Specific chemical and physical properties of volcanic ash particles that could affect their ability to induce ice formation are poorly understood. In this study, the ice nucleating properties of size-selected volcanic ash and mineral dust particles in relation to their surface chemistry and crystalline structure at temperatures ranging from -30 to -38°C were investigated in deposition mode. Ice nucleation efficiency of dust particles was higher compared to ash particles at all temperature and relative humidity conditions. Particle characterization analysis shows that surface elemental composition of ash and dust particles was similar; however, the structural properties of ash samples were different.

Original languageEnglish
Pages (from-to)3048-3055
Number of pages8
JournalGeophysical Research Letters
Volume42
Issue number8
DOIs
Publication statusPublished - 28 Apr 2015

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volcanic ash
ashes
nucleation
volcanology
ice
ash
dust
ice formation
chemical properties
effect
particle
humidity
relative humidity
chemical property
physical property
physical properties
temperature
minerals
chemistry
mineral

Keywords

  • ice clouds
  • ice nucleation
  • mineral dust
  • surface analysis
  • volcanic ash

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Geophysics

Cite this

Kulkarni, G., Nandasiri, M., Zelenyuk, A., Beranek, J., Madaan, N., Devaraj, A., ... Varga, T. (2015). Effects of crystallographic properties on the ice nucleation properties of volcanic ash particles. Geophysical Research Letters, 42(8), 3048-3055. https://doi.org/10.1002/2015GL063270

Effects of crystallographic properties on the ice nucleation properties of volcanic ash particles. / Kulkarni, Gourihar; Nandasiri, Manjula; Zelenyuk, Alla; Beranek, Josef; Madaan, Nitesh; Devaraj, Arun; Shutthanandan, Vaithiyalingam; Thevuthasan, Suntharampillai; Varga, Tamas.

In: Geophysical Research Letters, Vol. 42, No. 8, 28.04.2015, p. 3048-3055.

Research output: Contribution to journalArticle

Kulkarni, G, Nandasiri, M, Zelenyuk, A, Beranek, J, Madaan, N, Devaraj, A, Shutthanandan, V, Thevuthasan, S & Varga, T 2015, 'Effects of crystallographic properties on the ice nucleation properties of volcanic ash particles', Geophysical Research Letters, vol. 42, no. 8, pp. 3048-3055. https://doi.org/10.1002/2015GL063270
Kulkarni G, Nandasiri M, Zelenyuk A, Beranek J, Madaan N, Devaraj A et al. Effects of crystallographic properties on the ice nucleation properties of volcanic ash particles. Geophysical Research Letters. 2015 Apr 28;42(8):3048-3055. https://doi.org/10.1002/2015GL063270
Kulkarni, Gourihar ; Nandasiri, Manjula ; Zelenyuk, Alla ; Beranek, Josef ; Madaan, Nitesh ; Devaraj, Arun ; Shutthanandan, Vaithiyalingam ; Thevuthasan, Suntharampillai ; Varga, Tamas. / Effects of crystallographic properties on the ice nucleation properties of volcanic ash particles. In: Geophysical Research Letters. 2015 ; Vol. 42, No. 8. pp. 3048-3055.
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