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Mechanisms of producing precipitation include convective, stratiform, [6] and orographic rainfall. [7] Convective processes involve strong vertical motions that can cause the overturning of the atmosphere in that location within an hour and cause heavy precipitation, [8] while stratiform processes involve weaker upward motions and less intense precipitation over a longer duration. [9]
A drought is a period of drier-than-normal conditions. [1]: 1157 A drought can last for days, months or years.Drought often has large impacts on the ecosystems and agriculture of affected regions, and causes harm to the local economy.
A drought is a period of drier-than-normal conditions. [60]: 1157 A drought can last for days, months or years. Drought often has large impacts on the ecosystems and agriculture of affected regions, and causes harm to the local economy.
Warmer temperatures cause more water to evaporate, making both droughts and heavy precipitation more extreme. Climate change makes droughts “more frequent, longer, and more severe,” according ...
The drought is largely driven by temperature, which increases the rate of evaporation, with some contribution from the lack of precipitation. The several wet years since 2000 were not sufficient to end the drought. Researchers calculated that without climate change-induced evaporation, the precipitation in 2005 would have broken the drought.
Temperatures above the historical average have exacerbated the drought. Despite some frosty mornings over the interior Northeast, the dryness of both the air and the ground has led to warm afternoons.
The specific problem is: Insufficient documentation of the causes of the droughts. ... A farmer welcoming rain during the 1976 drought.
Warming over land increases the severity and frequency of droughts around much of the world. [57] [58]: 1057 In some tropical and subtropical regions of the world, there will probably be less rain due to global warming. This will make them more prone to drought. Droughts are set to worsen in many regions of the world.