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USGS NRP Tucson: Landscape Change in the Southwest

Changes in Riparian Vegetation in Arizona

Santa Cruz River at Tucson (09482500), August 22, 2000

Image of Santa Cruz River at Tucson (09482500), August 22, 2000.
Dominic Oldershaw, Stake 298 The bridge was replaced, but its deck at about the same elevation as the old one. Channel downcutting, which primarily occurred during the 1977 and 1983 floods, has lowered the bed by up to 9 feet. Because of persistent problems with lateral channel change, soil cement now stabilizes the channel banks.

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