 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.


 Views of Sahara Dust over the Canary Islands (Spain) and Paris, France

   April 15, 2021

    Con Calima - Sin Calima - Satelite  Dust3
   Photographers:  Jose Fernandez Arozena;  Bertrand Kulik
   Summary Authors:  Jose Fernandez Arozena;  Jim Foster
   Shown above (top photo) are two views from the window of my home in
    Santa Cruz de La Palma (Canary Islands), Spain, showing the
   contrast between a normal view (right) and a view obscured by  dust
   carried westward by a storm originating over the  Sahara Desert
   (left).  PM10 values greater than 700  ug/m^3 were recorded,
   which is well above the  range considered to be very poor air
   quality (more than 300 ug/m^3). A satellite view of this storm is inset
   at lower left.

   The view at right was taken a week later when the  Northeast Trade
   Winds were blowing over the island of La Palma and sweeping the dust
   and haze out to sea. Top photo taken on February 16, 2021; bottom photo
   shows this dust layer as captured by Bertrand Kulik, above Paris,
   France, on February 21, 2021.
     * Coordinates

     * Santa Cruz de La Palma, Spain:  28.6840, -17.7646
     * Paris, France:  48.8566, 2.3522


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Atmospheric Effects Links

     *  Atmospheric Optics
     *  Color and Light in Nature
     *  The Colors of Twillight and Sunset
     *  Refraction Index
     *  Image Gallery: Atmospheric Effects
     *  What is a Rainbow?

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   Space Research Association.

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