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.
5 Ebooks por Raymond M. Turner
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 …
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€111.70
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 …
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€96.15
H. Awala Ochung’ & Jeanne B. Turner: Kenya’s Changing Landscape
Botanist Homer L. Shantz took photographs of the Kenyan landscape in the early 1920s as part of his effort to document the natural plant cover of Africa. He returned there with B. L. Turner in the la …
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€46.20
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 …
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€51.22
Janice Emily Bowers & Tony L Brugess: Sonoran Desert Plants
The Sonoran Desert, a fragile ecosystem, is under ever-increasing pressure from a burgeoning human population. This ecological atlas of the region’s plants, a greatly enlarged and full revised versio …
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€51.22
