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

doi:10.1364/AO.39.006080

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 journal › Article › peer-review

44 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 language	English
Pages (from-to)	6080-6085
Number of pages	6
Journal	Applied Optics
Volume	39
Issue number	33
DOIs	https://doi.org/10.1364/AO.39.006080
Publication status	Published - 20 Nov 2000
Externally published	Yes

ASJC Scopus subject areas

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

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10.1364/AO.39.006080

Cite this

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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{\textquoteright}s atmosphere.",

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AU - Sillanpää, Mika

AU - Virta, Leena

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AU - Moilanen, Jarmo

AU - Luukkonen, Ismo

PY - 2000/11/20

Y1 - 2000/11/20

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AB - 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.

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DO - 10.1364/AO.39.006080

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JO - Applied Optics

JF - Applied Optics

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

Abstract

ASJC Scopus subject areas

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