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| | | | | | | TIGER Innovators enhance North-South collaboration
18 January 2006
| Women fill buckets with water at a water point in a northern neighbourhood of Korhogo, 14 September 2005, where drought has hit the region for the past two months.
Credits: AFP PHOTO/ISSOUF SANOGO | |  |  | |
| | | | | Participants at the TIGER Workshop at ESRIN in October 2005.
Credits: ESA | | | | |
| | | | | | | | IWAREMA Zambia
| The narrow, man-made Lake Kariba, located along the border of Zambia and Zimbabwe, as seen by Envisat. Lake Kariba was created in the late 1950s by the construction of a largest dam wall across the Zambezi River running through the Kariba Gorge.
Today Lake Kariba is one of the largest dams in the world, with a surface area of 5580 square kilometres and an average depth of 29 metres, increasing to a maximum of 97 metres. It is 220 km long and in places up to 40 kilometres wide.
The Medium Resolution Imaging Spectrometer (MERIS) acquired this image on 6 June 2005, operating in Full Resolution mode with a spatial resolution of 300 metres. It covers an area of 672 by 672 kilometres.
Credits: ESA | | | | |
| | | | Lake Water Quality in Egypt
| The fertile green territory of Egypt's Nile Delta provides a notable contrast to the bare desert of the Sinai Peninsula in this Envisat view.
Only 2.5% of Egypt's land area is suitable for agriculture, corresponding to the Nile Valley and Delta. These low-lying floodplains are some of the oldest intensively cultivated areas on Earth, supporting up to 1600 inhabitants per square kilometre.
This 14 February 2005 image was acquired by Envisat's Medium Resolution Imaging Spectrometer (MERIS), working in Full Resolution Mode with a spatial resolution of 300 metres and width of 670 km.
Credits: ESA | | | | |
| | | | WADE
| | International efforts to combat desertification can be supported by satellites | | | | |
| | | | Lake Victoria
| The Ugandan capital Kampala on the shores of Lake Victoria, seen in a multitemporal Envisat ASAR Wide Swath Mode image. Because radar images represent surface backscatter rather than reflected light, there is no colour in a standard radar image. Instead the colour in this image is due to it being a multitemporal composite, made up of three Advanced Synthetic Aperture Radar (ASAR) images acquired on different dates, with separate colours assigned to each acquisition to highlight differences between them. In this composite, red relates to an acquisition on 30 May 2004, green to one on 11 January 2004 and blue to one on 28 September 2003.
Credits: ESA | | | | |
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| | Related news TIGER participants meet in space-based hunt for African waterEnvisat tracking Africa's rivers and lakes to help manage water resourcesTIGER Workshop puts focus on space for African water managementESA proposes Johannesburg follow-up, hands over CEOS chairRelated missions EnvisatERS overviewIn depth TIGERData User ElementStatement to WSSD SummitRelated links CSA - TIGER siteUNESCO water portalUN Economic Commission for AfricaCEOS WSSD siteCEOS
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