A Chemical Light Meter for Forest Research (Classic Reprint)

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Excerpt from A Chemical Light Meter for Forest ResearchExposure meters or illumination meters, which measure light intensity at a given moment, yield data of very limited utility um less a large number of readings, taken over a period of time, are averaged. For some purposes such a-procedure is suitable, but more often it is time-consuming, inaccurate, and even impossible when more than a few locations are to be sampled. Integrating type light meters, which measure and integrate light for a full daylight period, are excellent instruments, but for most uses their cost is prohibitive.In 1958, W. G. Dore brie¿y described a chemical light meter1 that in several respects seemed superior to other light-measuring devices for use in silvical or ecological studies. It offers these advantages.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.