The Canopy Camera (Classic Reprint)

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Excerpt from The Canopy CameraThe canopy camera is a device of new design that takes wide -ang1e, overhead photographs of vegetation canopies, cloud cover, topographic hori zons, and similar subjects. Since the entire hemisphere is photographed in a single exposure, the resulting photograph is circular, with the horizon forming the perimeter and the zenith the center.Photographs of this type provide a means of studying the relationships between canopy coverage and such things as precipitation interception, wind, evaporation, radiation, temperature, tree growth, and forage production. Coverage and distribution of the canopy are put in quantitative terms with the help of grids, which are placed over the photos.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.