Explain the factors causing drought and tell wether it is natural or human made.
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1) Droughts can occur when there is the lack of rainfall or amount of water in a particular area.
2) Some regions are also well distributed with surface water (streams and rivers) that have their sources from far away mountains and watersheds. These surface waters may dry out if the flow from their sources upstream is affected.
3) Forests play a key role in the water cycle, as they help reduce evaporation, store water and also contribute to atmospheric moisture in the form of transpiration. This means, cutting down trees can set off drying conditions especially for smaller water bodies.
4) Green house gasses causes global warming often resulting in more dryness and bush fires. These conditions also tend to speed up drought conditions.
2) Some regions are also well distributed with surface water (streams and rivers) that have their sources from far away mountains and watersheds. These surface waters may dry out if the flow from their sources upstream is affected.
3) Forests play a key role in the water cycle, as they help reduce evaporation, store water and also contribute to atmospheric moisture in the form of transpiration. This means, cutting down trees can set off drying conditions especially for smaller water bodies.
4) Green house gasses causes global warming often resulting in more dryness and bush fires. These conditions also tend to speed up drought conditions.
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