Irrigation Infrastructure: South Africa

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About Tutorial Glossary Documents Images Maps Google Earth Please provide feedback! Click for details You are here: Home>Resource Management >Water Infrastructure >Irrigation>South Africa Irrigation Infrastructure: South Africa The current area under irrigation in thebasin in South Africa at 198 000 ha, uses approximately 10 000 m³ of water per hectare per year ( FAO 2004). The irrigation potential, estimated at 131 500 ha using 12 000 m³ of water required per hectare per year, indicates trends of more water being used per hectare than existing requirements. Irrigation development along theLimpopo within South Africa is estimated at 4 000 ha. Within the four water management areas (WMA) in the Limpopo basin in South Africa, irrigation accounts for the following water requirements within each WMA ( FAO 2004): Crocodile (West) and Marico – 35 % Limpopo – 75 % Elephants – 57 % Luvuvhu and Letaba – 75 % In theLimpopo WMAirrigation occurs throughout and development is evenly distributed. Some of the irrigation is dependent upon small dams or run- of- river which has a low assurance of supply ( FAO 2004). Therefore, the irrigated area tends to vary in the Limpopo WMA year by year. In the Levuvuhu & Letaba WMA irrigation is concentrated primarily in the area around the Groot Letaba River The dams in South Africa used primarily for irrigation are (FAO 2004): Hartebeespoort (186 Mm³) on the Crocodile River Marico (27 Mm³) on the Marico River Mokolo (145 Mm³) on the Mokolo River Blyderivierpoort (55,2 Mm³) on the Mogalakwena River GlenAlpine (20,0 Mm³) and others on the Mogalakwena River Nzhelele (55,3 Mm³) on the Nzhelele River. These dams are further discussed in Dams and Infrastructure and the interactive component to the right. Seko Canal, Olifants sub- basin, South Africa. Source: LIMCOM 2009 ( click to enlarge ) Next: Irrigation Infrastructure: Zimbabwe .

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Transactions of the Royal Society of South Africa The
This article was downloaded by: On: 12 May 2010 Access details: Access Details: Free Access Publisher Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37- 41 Mortimer Street, London W1T 3JH, UK Transactions of the Royal Society of South Africa Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t917447442 The geomorphic provinces of South Africa, Lesotho and Swaziland: A physiographic subdivision for earth and environmental scientists T. C. Partridge a; E. S. J. Dollar b; J. Moolman c;L. H. Dollar b a Climatology Research Group, University of the Witwatersrand, WITS, South Africa b CSIR, Natural Resources and Environment, Stellenbosch, South Africa c Directorate: Resource Quality Services, Department of Water Affairs and Forestry, Pretoria, South Africa Online publication date: 23 March 2010 To cite this Article Partridge, T. C. , Dollar, E. S. J. , Moolman, J. andDollar, L. H.(2010) 'The geomorphic provinces of South Africa, Lesotho and Swaziland: A physiographic subdivision for earth and environmental scientists', Transactions of the Royal Society of South Africa, 65: 1, 1 — 47 To link to this Article: DOI: 10.1080/00359191003652033 URL: http://dx.doi.org/10.1080/00359191003652033 PLEASE SCROLL DOWN FOR ARTICLE Full terms and conditions of use: http://www.informaworld.com/terms-and-conditions-of-access.pdf This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date.
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