ALN logo; link to Arid Lands Newsletter Home page No. 59, August 2007
What's so special about drylands?

Price: Figure 4: Flooding on the Rillito, Tucson, Arizona

The Rillito 'River' of Tucson in flood stage, with water almost up to the bottom of the Campbell Avenue Bridge.
The normally-dry Rillito "River" in Tucson, Arizona, USA, when it really is a river, after an intense "monsoon" summer rain in late July 2006. At the peak of this storm, the US Geological Survey recorded a record flow of 30,000 cubic feet per second [~850 cubic meters per second] about 1-1/2 mile [~2.4 km] east of this bridge.
Image Credit: Theodora Petanidou, University of the Aegean, Greece.

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