Subj : ES Picture of the Day 06  2023
To   : All
From : Dan Richter
Date : Mon Mar 06 2023 11:00:32

 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.


 Giant Bialy

   March 06, 2023

    20210710_132845

    20230105_093118

   Photographer:  Roger Hopkins
   Summary Author:  Roger Hopkins
   Our waterfall produces a full menu of foam goodies, including
   marshmallows, pancakes, donuts, bagels, and recently, a spectacular
    bialy. This  foam, frequently misunderstood to be man-made
   pollution, is a natural phenomenon in our case. Decaying plant material
   is mixed in the turbulence of the stream, acting as a  surfactant to
   reduce the  surface tension of the water and allowing the formation
   of persistent small "soap" bubbles in the turbulence. We normally see
   these after a period of rain with more organic material leaching into
   the stream.
   The waterfall has this nice gentle  eddy at the base that forms
   these round shapes. The brown streaks are probably caused by  tannin
   washed into the stream from decaying oak leaves and branches upstream.
    Click here to see a video of this foam forming. Photo taken on
   January 5, 2023.

   Asbury, New York: 42.526283332981414, -76.48522451537521

Related EPODs

    Giant Bialy  Wallaman Falls, Australia  Water Eruption
    Flood Hazard in the Desert  Skypools on Surface Waves  Great
   Salt Lake’s Mirabilite Mounds
    More...

Hydrology Links

     *  Current Sea Surface Temperature
     *  NOAA Ocean Explorer Gallery
     *  Ocean Color
     *  What is hydrology?
     *  Tides and Currents
     *  Water Resources of the United States
     *  World Waterfall Database
     *  The USGS Water Science School
     *  World Water Database
     *  The World’s Water
     *  USGS Surface Water Information Pages

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

https://epod.usra.edu
 
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