A NASA-led study reveals that the pattern of rainfall throughout the year—specifically the frequency and intensity of rain events—is nearly as significant to global vegetation health as the total amount of annual rainfall.
The research indicates that less frequent but heavier rainfalls can benefit plants in arid regions like the U.S. Southwest, while potentially harming those in wetter ecosystems such as the Central American rainforests due to longer intervals of dryness.
Impact of rainfall patterns on global vegetation.
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