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Applied Optics

Applied Optics


  • Vol. 44, Iss. 27 — Sep. 20, 2005
  • pp: 5644–5651

The Toboggan Sun

Wayne P. S. Davidson and Siebren Y. van der Werf  »View Author Affiliations

Applied Optics, Vol. 44, Issue 27, pp. 5644-5651 (2005)

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Special variants of the Novaya Zemlya effect may arise from localized temperature inversions that follow the height profile of hills or mountains. Rather than following its natural path, the rising or setting Sun may, under such circumstances, appear to slide along a distant mountain slope. We found early observations of this effect in the literature by Willem Barents (1597) and by Captain Scott and H. G. Ponting (1911). We show recent photographic material of the effect and present ray-tracing calculations to explain its essentials.

© 2005 Optical Society of America

OCIS Codes
(000.2850) General : History and philosophy
(010.4030) Atmospheric and oceanic optics : Mirages and refraction

Original Manuscript: December 3, 2004
Revised Manuscript: February 10, 2005
Manuscript Accepted: February 15, 2005
Published: September 20, 2005

Wayne P. S. Davidson and Siebren Y. van der Werf, "The Toboggan Sun," Appl. Opt. 44, 5644-5651 (2005)

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  1. S. Y. van der Werf, G. P. Können, W. H. Lehn, “Novaya Zemlya effect and sunsets,” Appl. Opt. 42, 367–378 (2003). [CrossRef] [PubMed]
  2. S. Y. van der Werf, G. P. Können, W. H. Lehn, F. Steenhuisen, W. P. S. Davidson, “Gerrit de Veer’s true and perfect description of the Novaya Zemlya effect, 24–27 January 1597,” Appl. Opt. 42, 379–389 (2003). [CrossRef] [PubMed]
  3. G. De Veer, Waerachtige Beschryvinge van drie seylagiën ter werelt noyt soo vreemdt ghehoort, C. Claesz, ed. (Amsterdam, The Netherlands, 1598).
  4. G. De Veer, The True and Perfect Description of Three Voyages, so Strange and Woonderfull That the Like Hath Never Been Heard of Before; translation of Ref. 1 by W. Philip, ed. (Pauier, London, 1609).
  5. M. Baills, “Sur les phénomènes astronomiques observés en 1597 par les Hollandais à la Nouvelle-Zemble,” presented by M. Jurien de la Gravière, Comptes rendus hebdomadaires des séances de l’Académie des Sciences, Vol. LXXX48I, No. 23 (6December1875) (submitted for the sections of Astronomy, Geography and Navigation).
  6. H. G. Ponting, The Great White South (Duckworth, London, 1921).
  7. S. Y. van der Werf, “Ray tracing and refraction in the modified US1976 atmosphere,” Appl. Opt. 42, 354–366 (2003). [CrossRef] [PubMed]
  8. The Nautical Almanac (Her Majesty’s Nautical Almanac Office, London, and the Nautical Almanac Office United States, Washington, D.C., 2003 and 2004).

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