Transcription of DESERTIFICATION IN AFRICA
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DESERTIFICATION IN AFRICA
1 DESERTIFICATION IN AFRICA G. O. Ouma* and ** * Department of Meteorology, University of Nairobi **IGAD Climate Prediction and Applications Centre Introduction The term DESERTIFICATION has been defined by the United Nations Convention to Combat DESERTIFICATION (UNCCD) as "land degradation in arid, semi-arid and dry sub-humid areas through natural processes as well as human activities . The natural factors are largely associated with climate variability especially droughts, while some human activities in the drylands is the major cause, especially in AFRICA . The drylands cover over 40% of the total land area of the world, and in AFRICA most areas may be arid and semi arid lands (ASALs).
early warning can provide useful tools for combating desertification in the drylands of Africa. References Charney, J. G., (1975): Dynamics of desert and drought in the Sahel. Quart. J. Roy. Meteor. Soc., 101, 193–202 Earth Summit +5 (1997): The United Nations Convention to Combat Desertification: A New Response to an Age-Old Problem.
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