Requiem for the Santa Cruz: An Environmental History of an Arizona River - Webb, Robert H.; Betancourt, Julio L.; Johnson, R. Roy
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In prehistoric times, the Santa Cruz River in what is now southern Arizona saw many ebbs, flows, and floods. It flowed on the surface, meandered across the floodplain, and occasionally carved deep channels or arroyos into valley fill. Requiem for the Santa Cruz thoroughly documents this river—the premier example of historic arroyo cutting during the late nineteenth and early twentieth centuries, when large floodflows cut down through unconsolidated valley fill to form deep channels in the major valleys of the American Southwest.

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Produktbeschreibung
In prehistoric times, the Santa Cruz River in what is now southern Arizona saw many ebbs, flows, and floods. It flowed on the surface, meandered across the floodplain, and occasionally carved deep channels or arroyos into valley fill. Requiem for the Santa Cruz thoroughly documents this river—the premier example of historic arroyo cutting during the late nineteenth and early twentieth centuries, when large floodflows cut down through unconsolidated valley fill to form deep channels in the major valleys of the American Southwest.
Autorenporträt
Robert H. Webb is a research hydrologist and geoscientist, who recently retired from the National Research Program, Water Mission Area, US Geological Survey and is currently an adjunct professor at the University of Arizona. Julio L. Betancourt is a research hydrologist and geoscientist with the National Research Program, Water Mission Area, US Geological Survey and adjunct professor at the University of Arizona. Raymond M. Turner is a plant ecologist who retired from the National Research Program, Water Mission Area, US Geological Survey, and is currently emeritus professor at the University of Arizona. R. Roy Johnson is an ornithologist, who retired as senior research scientist for the National Park Service and professor of renewable natural resources at the University of Arizona.