Dr. Robert H. Webb is a hydrologist and Diane E. Boyer is a photo archivist with the U.S. Geological Survey National Research Program in Tucson, Arizona.Dr. Raymond M. Turner is a botanist, now retired from the USGS in Tucson. In 1959, Turner established the Desert Laboratory Repeat Photography Collection, now managed by Webb and Boyer.
10 كتب إلكترونية بواسطة Robert H. Webb
Robert H. Webb: Elementary Wave Optics
This undergraduate textbook presents thorough coverage of the standard topics of classical optics and optical instrument design; it also offers significant details regarding the concepts of modern op …
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€30.81
John Brock & Anthony Floyd: Design with the Desert
Typical development in the American Southwest often resulted in scraping the desert lands of the ancient living landscape, to be replaced with one that is human-made and dependent on a large consumpt …
PDF
DRM
€73.99
Boyer Diane E. Boyer & Turner Raymond M. Turner: Repeat Photography
First developed in the 1880s as a way to monitor glaciers in Europe, repeat photography -the practice of taking photographs at different points in times from the same physical vantage point-remains a …
EPUB
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DRM
€111.70
John Brock & Anthony Floyd: Design with the Desert
Typical development in the American Southwest often resulted in scraping the desert lands of the ancient living landscape, to be replaced with one that is human-made and dependent on a large consumpt …
EPUB
DRM
€3.85
Janice Emily Bowers & James Rodney Hastings: Changing Mile Revisited
The Changing Mile, originally published in 1965, was a benchmark in ecological studies, demonstrating the prevalence of change in a seemingly changeless place. Photographs made throughout the Sonoran …
PDF
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€96.42
Robert H. Webb: Grand Canyon, A Century of Change
Photographs made in Grand Canyon a century ago may provide us today with a sense of history; photographs made a century later from the same vantage points give us a more precise picture of change in …
PDF
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€42.40
Julio L. Betancourt & R. Roy Johnson: Requiem for the Santa Cruz
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 ch …
PDF
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€51.41
Michael Collier & Robert H. Webb: Floods, Droughts, and Climate Change
No one in America would deny that the weather has changed drastically in our lifetime. We read about El Nino and La Nina, but how many of us really understand the big picture beyond our own front win …
PDF
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€12.82
Diane E Boyer & Robert H. Webb: Damming Grand Canyon
In 1923, America paid close attention, via special radio broadcasts, newspaper headlines, and cover stories in popular magazines, as a government party descended the Colorado to survey Grand Canyon. …
PDF
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€34.74
P. T. Reilly: Lee’s Ferry
The Colorado River and its deeply entrenched canyons create a lengthy barrier to travel in the interior West. Here and there, ancient Indian foot trails descend canyon walls and find access to the ri …
PDF
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DRM
€41.11
