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From the text...'Preliminary investigations in the detection of forest fires at the California Forest and Range Experiment Station were based on the assumption that the visibility of smoke columns in the field would vary as the visibility of the landscape with varying conditions…
Person:
Year: 1935
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): California, Great Basin
Keywords: experimental fires, fire danger rating, fire management, smoke behavior, smoke effects, smoke management, statistical analysis

From the text...'As part of a general forest-fire-research program in recent years, considerable inquiry has been made into the visibility of smoke from forest fires in an attempt to answer the questions: How far can a lookout see a smoke? What are the factors upon which this…
Person:
Year: 1941
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fire Prevention
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire suppression, particulates, smoke behavior, smoke effects, smoke management, wind

Preliminary investigations in the detection of forest fires at the California Forest and Range Experiment Station were based on the assumption that the visibility of smoke columns in the field would vary as the visibility of the landscape with varying conditions of atmospheric…
Person:
Year: 1935
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire detection, laboratory experiments, smoke columns