Halo observations provide evidence of airborne cubic ice in the earth’s atmosphere

Marko Riikonen, Mika Sillanpää, Leena Virta, Daniel Sullivan, Jarmo Moilanen, Ismo Luukkonen

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)

Abstract

An ice crystal halo display that contains several previously unknown halo phenomena was observed in Northern Chile. Analysis of computer simulations of the halos demonstrates that most of the new halo arcs in the display can be explained by the presence of airborne and preferentially oriented crystals of cubic ice. These observations therefore provide evidence of the existence of the cubic phase of ice in the Earth’s atmosphere.

Original languageEnglish
Pages (from-to)6080-6085
Number of pages6
JournalApplied Optics
Volume39
Issue number33
DOIs
Publication statusPublished - 20 Nov 2000
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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