Delwedd:BarragemAssuão.jpg

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Maint llawn ‎((1,160 × 960 picsel, maint y ffeil: 356 KB, ffurf MIME: image/jpeg))

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Crynodeb

Disgrifiad
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.
Dyddiad
Ffynhonnell http://earth.jsc.nasa.gov/sseop/EFS/lores.pl?PHOTO=STS102-303-17
Awdur NASA
This image or video was catalogued by one of the centers of the United States National Aeronautics and Space Administration (NASA) under Photo ID: STS102-303-17.

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Trwyddedu

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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dechreuwyd

18 Mawrth 2001

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image/jpeg

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093882e0f731952baec9a787a872a2860738e923

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365,055 byte

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960 pixel

lled

1,160 pixel

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Dyddiad / AmserBawdlunHyd a lledDefnyddiwrSylw
cyfredol10:29, 25 Ebrill 2010Bawdlun y fersiwn am 10:29, 25 Ebrill 20101,160 × 960 (356 KB)RehmanHigher resolution Category:Aswan High Dam
23:13, 28 Mawrth 2005Bawdlun y fersiwn am 23:13, 28 Mawrth 2005540 × 420 (68 KB)Saninha

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