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Past Droughts Geographically Widespread In The West, According To Tree-ring Data

Date:
August 20, 2005
Source:
University of Arizona
Summary:
When it's dry, it's dry all over, according to a new analysis of more than 400 years of annual streamflow in the Upper Colorado and Salt/Verde river basins. By using data from tree rings, University of Arizona researchers conclude that severe droughts and low-flow conditions in one basin are unlikely to be offset by abundant streamflow in the other basin. The study covers waterways from the states of Arizona, Colorado, New Mexico, Utah and Wyoming.

When it's dry, it's dry all over, according to a new analysis of more than 400 years of annual streamflow in the Upper Colorado and Salt and Verde river basins.


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The above story is based on materials provided by University of Arizona. Note: Materials may be edited for content and length.


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University of Arizona. "Past Droughts Geographically Widespread In The West, According To Tree-ring Data." ScienceDaily. ScienceDaily, 20 August 2005. <www.sciencedaily.com/releases/2005/08/050819094701.htm>.
University of Arizona. (2005, August 20). Past Droughts Geographically Widespread In The West, According To Tree-ring Data. ScienceDaily. Retrieved April 17, 2014 from www.sciencedaily.com/releases/2005/08/050819094701.htm
University of Arizona. "Past Droughts Geographically Widespread In The West, According To Tree-ring Data." ScienceDaily. www.sciencedaily.com/releases/2005/08/050819094701.htm (accessed April 17, 2014).

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