Fil:BarragemAssuão.jpg

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Beskrivelse
English: NASA satellite image of the Nile, Aswan High Dam, and Lake Nasser - southern Egypt.
  • The Aswan High Dam was completed in 1970 and is one of the largest earthen embankment dams in the world. It is 364 feet (111 m) tall, 12 565 feet (3830 m) long and nearly 3281 feet (1000 m) wide. When it was built the new reservoir required relocation of nearly 100 000 residents and some archaeological sites. Although the reservoir has benefited Egypt by providing power and controlling floods, it has also had detrimental effects on the Nile system. Before the dam, an estimated 110 million tons of silt was deposited by the annual flood of the Nile, enriching agricultural lands and maintaining the land of the Nile delta. Now this sediment is trapped behind the dam, requiring artificial fertilization of agricultural lands and leading to erosion and saltwater intrusion where the Nile river meets the Mediterranean Sea.
Português: NASA imagem de satélite da Nile, y Barragem de Assuão.
Dato
Kilde http://earth.jsc.nasa.gov/sseop/EFS/lores.pl?PHOTO=STS102-303-17
Forfatter NASA
Dette billede eller video er katalogiseret af et af centrene under National Aeronautics and Space Administration (NASA) ved foto ID: STS102-303-17.

Denne tag indeholder og/eller påviser ingen ophavsretslige informationer eller kildeinformationer af dette medie. Rettigheder skal stadigvæk oplyses. Se Commons:Licensing for flere informationer.
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Public domain
This file is in the public domain in the United States because it was created by the Image Science & Analysis Laboratory, of the NASA Johnson Space Center. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA media use guidelines or Conditions of Use of Astronaut Photographs). Photo source: STS102-303-17.

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NASA satellite image of the Nile

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Dato/tidMiniaturebilledeDimensionerBrugerKommentar
nuværende25. apr. 2010, 12:29Miniature af versionen fra 25. apr. 2010, 12:291.160 × 960 (356 KB)RehmanHigher resolution Category:Aswan High Dam
29. mar. 2005, 01:13Miniature af versionen fra 29. mar. 2005, 01:13540 × 420 (68 KB)Saninha

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