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New paper contradicts IPCC assumptions about precipitation
The IPCC claims that a warming climate causes an increased variability of precipitation and that wet areas will become wetter and dry areas drier. However, a new paper published in Geophysical Research Letters finds on the basis of global observations from 1940-2009 that the opposite was true: precipitation variability decreased, there was no significant change in global average precipitation, and that dry areas became wetter and wet areas drier. According to the authors,
“We report a near-zero temporal trend in global mean Precipitation. Unexpectedly we found a reduction in global land Precipitation variance over space and time that was due to a redistribution, where, on average, the dry became wetter while wet became drier.”
2012-11-27 21:00:22
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