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Earth from Space: Gariep Dam, South Africa

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26/03/2021
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Click on on the picture to discover it in its full decision and be taught concerning the options on this gorgeous panorama.

The Gariep Dam, seen within the backside proper of the picture, lies alongside the Orange River, bordering the Free State and Jap Cape provinces. The dam’s major function is for irrigation, home and industrial use in addition to energy technology. The wall of the Gariep Dam, which is round 88 m excessive and 900 m lengthy, holds again the Gariep Reservoir and, when full, the reservoir covers an space of round 360 sq km.

This picture has been processed in a approach that highlights vegetation in shades of inexperienced and water our bodies in black. The water on the east aspect of the Gariep Dam seems in royal blue owing to a big amount of sediments coming from the Orange River, subsequently showing brighter than the water flowing out of the west aspect of the dam. 

The Orange River performs an vital function within the South African financial system by offering water for irrigation and hydroelectric energy. It rises within the Drakensberg mountains in Lesotho, flowing westwards by South Africa to the Atlantic Ocean.

The river is alleged to be one of many world’s most turbid, and is estimated to ship round 60 million tonnes of sediment every year to the western margin of South Africa. A major amount of this sediment is believed to be from soil erosion, an growing environmental risk to sustainability in southern Africa.

The brilliant inexperienced round shapes alongside the Orange River are an instance of centre-pivot irrigation methods, the place tools rotates round a centre pivot and crops are fed with water from the centre of the arc.

The remainder of the picture is dominated by naked soil and rocky terrain which seem in numerous shades of pink and crimson. Straight strains within the picture are roads which join this space to different elements of South Africa. 

The true-colour picture might be seen within the left under, whereas the false-colour picture might be seen on the appropriate.

On the northern shore of the dam lies the Gariep Dam Nature Reserve, dwelling to the most important variety of Springbok within the nation in addition to different animals akin to zebras, black wildebeest and ostrich.

Within the left of the picture lies the Doornkloof Nature Reserve, on the southern shore of the Vanderkloof Dam (not seen). The reserve is dwelling to kudu, brown hyena and round 170 chicken species.

Knowledge from the Copernicus Sentinel-2 mission will help monitor modifications in city enlargement, land-cover change and agriculture monitoring. The mission’s frequent revisits over the identical space and excessive spatial decision additionally enable modifications in inland water our bodies to be intently monitored.

This picture, captured on 30 January 2020, can also be featured on the Earth from House video programme.

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