What Causes the Drought Cycles in Africa
When rain arrives it is often very intense. The risk of drought in southern Africaincluding Botswana aboveincreases by 120 percent in an El Niño year. Long Term Drought In Africa Drought cycles in Africa are largely caused by the patterns of weather arising from the Atlantic and Indian Oceans. . Lindesay 1998 with some droughts and periods of reduced rainfall for example connected with ENSO events. An area as big as Canada and the USA together. The African drought cycles have a noticeable natural component. Boreholes are dug but that is also used and the level of water in boreholes will drop drastically if there is no rain. At the moment over two-thirds of the land in Africa is degraded. However a comprehensive analysis of droughts including their evolution complexity social implications and peoples vulnerability is currently lacking. Unfortunately in addition to these phenomena emissions of greenhouse gas...