Subj : ES Picture of the Day 17  2022
To   : All
From : Dan Richter
Date : Thu Feb 17 2022 11:03:20

 EPOD - a service of USRA

The Earth Science Picture of the Day (EPOD) highlights the diverse processes
and phenomena which shape our planet and our lives. EPOD will collect and
archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.


 Inferior Mirage In Venetian Lagoon

   February 17, 2022

    MarioFreitas-July27-2017-P1150478

   Photographer:  Mario Freitas

   Summary Author:  Mario Freitas

   The photo above was taken while on a boat cruise of the  Venetian
   Lagoon and shows an intriguing optical effects visible on the southern
    horizon. Incoming sunlight caused the air close to water surface to
   be warmer and less dense compared to cooler, denser air layers above.
   This discontinuity in  air refraction index forced low angle light
   rays to bend upwards, giving origin to the illusion of floating masses
   above the lagoon level. Such phenomenon characterizes an  inferior
   mirage. It’s important to mention the real horizon line is missing in
   this field of view, thus making invisible the islands' basis, and
   creating what is called a  vanishing line. Photo taken on July 27,
   2017.
     * Venice, Italy Coordinates: 45.423, 12.355

Related EPODs

    Inferior Mirage In Venetian Lagoon  Anticrepuscular Rays Over
   the Ionian Sea  Belt of Venus and Cirrus Vertebratus Cloud  Anvil
   Clouds and Crepuscular Rays  Twilight Colors over Biviere di Cesarò
   Lake  Double Rainbow Sunset Over Italy
    More...

Atmospheric Effects Links

     *  Atmospheric Optics
     *  Optic Picture of Day: Gruppo Astrofili Galileo Galilei
     *  Color and Light in Nature
     *  The Colors of Twillight and Sunset
     *  Refraction Index
     *  Image Gallery: Atmospheric Effects
     *  What is a Rainbow?

-
   Earth Science Picture of the Day is a service of the  Universities
   Space Research Association.

https://epod.usra.edu
 
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