It is an extended period of abnormally dry weather that depletes ground water and reservoirs. It can rain some, but still not fill up the reserves. California is in it’s ninth straight year of drought and it rains a little every year.
A drought simply means that an area is receiving LESS THAN AVERAGE precipitation levels over an extended period of time.
Droughts are a natural occurrence, but the negative impacts are exacerbated in areas with high population, because drought can cause food shortages and ecological destruction.
Drought is a normal, recurrent feature of climate. It occurs almost everywhere, but its features vary from region to region. Defining drought is depends on differences in regions, needs, and disciplinary perspectives. In general, drought originates from a deficiency of precipitation over an extended period of time, resulting in a water shortage for some activity, group, or environmental sector. Drought is a temporary aberration and differs from aridity since the latter is restricted to low rainfall regions and is a permanent feature of climate.
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