"The wet get wetter and the dry drier", or "The rich get richer and the poor poorer", these are phrases that pop up from time to time when discussion focuses on future rainfall or drought. But what does it actually mean?
The animation below, from the NOAA Geophysical Fluid Dynamics Laboratory, explains the basic scientific premise behind this turn of expression and features a nifty climate model simulation to boot. And yes, this process appears to be well under way.
Posted by Rob Painting on Thursday, 30 August, 2012
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