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1690306
Droughts
Description
Mind Map on Droughts, created by Fraser Sanders on 23/11/2014.
Mind Map by
Fraser Sanders
, updated more than 1 year ago
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Created by
Fraser Sanders
over 9 years ago
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Resource summary
Droughts
A drought is a prolonged period with little or no rainfall. A drought becomes a hazard when people, agriculture or industry are affected
How do humans make drought worse?
Deforestation
Means less evapotranspiration , fewer clouds , less rain and more soil erosion
Overgrazing
Less grass , more soil erosion
Lack of water, minerals and nutrients
Irrigation for crops means less water for other uses.
Need soil to be in good condition so that the land is fertile.
This also prevents flooding
Poor water management
Leaving tap on while brushing teeth
Golf courses using vast quantities of water
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