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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 20, Iss. 12 — Jun. 15, 1981
  • pp: 2043–2047

Novaya Zemlya effect: analysis of an observation

W. H. Lehn and B. A. German  »View Author Affiliations


Applied Optics, Vol. 20, Issue 12, pp. 2043-2047 (1981)
http://dx.doi.org/10.1364/AO.20.002043


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Abstract

The Novaya Zemlya effect, historically identified with the premature rebirth of the sun during the polar night, is a long range optical ducting phenomenon in the lower atmosphere. An occurrence of the effect was observed at Tuktoyaktuk, Canada (69°26N, 133°02W) on 16 May 1979, when the minimum solar altitude was −1°34. The sun's image remained above the horizon, within a gray horizontal band, and assumed the various expected shapes, ranging from a bright rectangle filling the band, to three flat suns stacked one over the other, to several thin vertically separated strips. A model for the corresponding atmospheric conditions was identified by matching the observations with images calculated from a computer simulation study.

© 1981 Optical Society of America

History
Original Manuscript: February 11, 1981
Published: June 15, 1981

Citation
W. H. Lehn and B. A. German, "Novaya Zemlya effect: analysis of an observation," Appl. Opt. 20, 2043-2047 (1981)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-20-12-2043

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