25.9 MB (2.8 MB compressed)
3801 x 2382 pixels
32.3 x 20.1 cm ⏐ 12.7 x 7.9 in (300dpi)
NASA / GSFC / METI / ERSDAC / JAROS / US-JAPAN ASTER SCIENCE TEAM / SCIENCE PHOTO LIBRARY NASA / GSFC / METI / ERSDAC / JAROS / US-JAPAN ASTER SCIENCE TEAM / SCIENCE PHOTO LIBRARY
Gezira irrigation scheme, satellite image. North is at top. This patchwork of irrigated fields is located in the state of Al Jazirah, Sudan, where the White Nile and the Blue Nile join. There are thousands of kilometres of canals and ditches bringing water from the Blue Nile. This project, one of the largest irrigation systems in the world, was started in the first half of the 20th century, and completed in the 1950s and 1960s. The major crop here is cotton. This image, some 60 kilometres across, was obtained by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite, on 15 November 2009.
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