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Biogenic Films at the Mouth of the Suez Canal

Image of the Day for September 22, 2001

Astronauts aboard the Space Shuttle Discovery used the sunglint off the surface of the Mediterranean Sea to reveal biogenic films on the ocean surface (“Biogenic film” refers to a thin layer of biologically-produced film resting on the surface.). The films dampen surface capillary waves, creating brighter and darker reflections, which, in turn, trace the complex surface water movements along the coast. The sunglint also highlights coastal features (jetties, submerged costal areas) near the Port of Suez.

NASA Earth Observatory

Sep 22, 2001
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2001-08-21 00:00:00
August 21, 2001

Astronauts aboard the Space Shuttle Discovery used the sunglint off the surface of the Mediterranean Sea to reveal biogenic films on the ocean surface. ("Biogenic film" refers to a thin layer of biologically-produced film resting on the surface. Click for more details.) The films dampen surface capillary waves, creating brighter and darker reflections, which, in turn, trace the complex surface water movements along the coast. The sunglint also highlights coastal features (jetties, submerged coastal areas) near the Port of Suez.

References & Resources

Image STS105-331-18 , taken in August 2001, was provided by the Earth Sciences and Image Analysis Laboratory at Johnson Space Center. Additional images taken by astronauts and cosmonauts can be viewed at the NASA-JSC Gateway to Astronaut Photography of Earth.

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2001-08-21 00:00:00

August 21, 2001

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