A drought occurs when a region becomes deficient in its natural water supply whether on the surface or underground. Droughts can last for months and even years. In general, droughts occur when a region receives less than the average rainfall in an annual year.
Droughts can have a substantial impact on the ecosystem, agriculture, and society of the affected region. Contrary to popular opinion, short intense droughts can cause significant damage insomuch as dry periods that last for several years.
Due to its impact on agricultural production, droughts can severely harm the economy. The consequences of extended droughts have had a significant impact on the agricultural, economic, environmental, and social aspects of entire civilizations. The severity of the consequences vary according to the region’s vulnerability. In other words, a region will not feel the worst of a severe drought if alternatives exist for the inhabitants that reside there. However, if a region depends on natural rainfall for agricultural production, then the area becomes more drought-prone.
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