Changes in Global Precipitation Over Land in a Warming World
Sun, F., Roderick, M.L. and Farquhar, G.D. 2012. Changes in the variability of global land precipitation. Geophysical Research Letters 39: 10.1029/2012GL053369.
In a study designed to assess the virtues (or not) of climate model precipitation projections, Sun et al. analyzed "observations of monthly precipitation (1940-2009) over the global land surface using a new theoretical framework that can distinguish changes in global precipitation variance between space and time."
In doing so, the three Australian researchers report discovering that "on average, dry regions/months became wetter and wet regions/months became drier over the 1940-2009 period," and they say that "this conclusion holds in all available databases and also holds for 1940-1999." In addition, they further remark that the patterns observed "show no relationship to local or global changes in temperature," and that "if anything, these results constitute a slight decline in meteorological drought over the last 70 years."
Once again, some of the most basic predictions of the world's climate alarmists are found to be invalid for the entire world.
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