Slika:Dead Sea Comparative.jpg - Wikipedia

# Slika:Dead Sea Comparative.jpg

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Dead_Sea_Comparative.jpg‎ (114KB, MIME tip: `image/jpeg`)

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Description

- English: Satellite image salt evaporation ponds of Dead Sea - Israel - Jordan

- Italiano: Immagine satellitare delle saline del Mar Morto - Israele - Giordania

Source | http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=4827
Date | August 1989 - March 2001
Author | http://earthobservatory.nasa.gov
Permission | PD-USGov-NASA

This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

Warnings:

- Use of NASA logos (which include the current "meatball" logo, the old "worm" logo, and the seal) is restricted.
- Materials from the Hubble Space Telescope may be copyrighted if they do not explicitly come from the STScI. [1]
- All materials created by the SOHO probe are copyrighted and require permission for commercial non-educational use. [2]
- Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3]

The complex of Jordanian salt evaporation ponds at the southern end of the Dead Sea has expanded significantly over the past dozen years. The western margin of the salt ponds marks the Jordan-Israel border. In August 1989, when the crew of Space Shuttle mission STS28 photographed the region, the northern extension did not exist and the large polygonal ponds in the northwestern and northeastern sectors had not been subdivided. In the view taken by the STS102 crew in March 2001, one can see that there has also been expansion at the southeastern end, and that levees now segment the northeastern wedge into four ponds.

Both sodium chloride and potassium salts are produced from the Dead Sea ponds. Salt-evaporation works are expanding throughout the world in response to increased manufacture of polyvinyl chloride (PVC) and other chemicals, for which salt is a principal feedstock. About 22.4 million metric tons of salt (sodium chloride) were consumed by the chemical industry in 1996. Other uses are in human and animal nutrition, water conditioning, and road de-icing.

Images STS028-96-65 and STS102-708-10 were provided by the Earth Sciences and Image Analysis Laboratory, 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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