Effects On Climate
Due to reflectivity, clouds cool the earth by around 12 °C (54 °F), an effect largely caused by stratocumulus clouds. However, at the same time, they heat the earth by around 7 °C (45 °F) by reflecting emitted radiation, an effect largely caused by cirrus clouds. This averages out to a net loss of 5 °C (41 °F). Cumulus clouds, on the other hand, have a variable effect on heating the earth's surface. The more vertical cumulus congestus species and cumulonimbus genus of clouds grow high into the atmosphere, carrying moisture with them, which can lead to the formation of cirrus clouds. The researchers speculated that this might even produce a positive feedback, where the increasing upper atmospheric moisture further warms the earth, resulting in an increasing number of cumulus congestus clouds carrying more moisture into the upper atmosphere.
Read more about this topic: Cumulus
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