Observations on the Visibility of a Small Smoke
Abstract:The principal physical factors that govern the distances at which lookout observers can see small forest-fire smokes have been recognized for several years. Theoretical analyses and limited field observations have shown how the factors in different combinations should operate to govern smoke visibility distance, but actual knowledge of their influence has been limited by the small number of observations made under varying field conditions. Results of observations of a large number of standard small smokes under a variety of conditions of haze and position of the sun for three typical California backgrounds provide additional information on the relative importance of these factors and a practical basis for their evaluation for detection planning and organization management.
Document Type: Journal Article
Affiliations: Formerly chemist, California Forest and Range Experiment Station, maintained by the Forest Service, U. S. Department of Agriculture, in cooperation with the University of California at Berkeley, Calif.
Publication date: June 1, 1944
- The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
2015 Impact Factor: 1.476
Ranking: 22 of 66 in forestry
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