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Related Experiment Videos

Long-range superior mirages.

W H Lehn, T L Legal

    Applied Optics
    |February 13, 2008
    PubMed
    Summary
    This summary is machine-generated.

    Complex atmospheric conditions create unusual superior mirages, challenging standard models. Observations reveal multi-layered atmospheres are necessary to explain these rare phenomena.

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    Area of Science:

    • Atmospheric optics
    • Meteorology
    • Remote sensing

    Background:

    • Superior mirages are optical phenomena observed in the atmosphere.
    • Standard atmospheric models fail to explain complex mirages observed over long distances (>70 km).

    Purpose of the Study:

    • To present and analyze two distinct types of superior mirages.
    • To develop atmospheric models that can explain these complex mirages.

    Main Methods:

    • Analysis of two superior mirage observations at Resolute Bay, Canada.
    • Development of atmospheric models incorporating multiple distinct atmospheric layers.
    • Investigation of atmospheric layer inclination for specific mirage types.

    Main Results:

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  • A three-image superior mirage (one inverted, one erect image above the object) was observed.
  • A single-image superior mirage (elevated, undistorted object) was also observed.
  • Both mirage types necessitate complex atmospheric models with multiple distinct layers.

    • Conclusions:

    • Complex atmospheric structures, including sloped layers, are essential for explaining observed superior mirages.
    • Textbook models are insufficient for understanding these advanced optical phenomena.
    • Further research into atmospheric layering is needed to fully comprehend superior mirages.