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From the summary:'Experimental study on the visibility through fire smoke was carried out. The relation among the brightness of sign, visual distance, and the extinction coefficient of smoke at the instant of obscuration threshold was obtained by...

Person: Jin
Year: 1970
Type: Document
Source: TTRS

Prescribed burning, an indispensable tool of forest management through-out much of the South, is accused of being an agent of air pollution. In some instances, a concerted effort is being made to restrict its use. Yet, no one has shown that air quality...

Person: Cooper
Year: 1969
Type: Document
Source: TTRS

From the text ' Under specific circumstances it has been shown that prescribed burning can be used: (1) to reduce fuel accumulation from logging and slashing and the hazard of accidental fire; (2) to prepare seedbeds and reduce competition for...

Person: Pechanec
Year: 1970
Type: Document
Source: TTRS

From the summary ... ' In summary, the results of these large scale fire tests, conducted under marginal burning conditions, were negative; but, paradoxically, I find this very heartening, for we can now be much more confident in our predictions...

Person: Chandler
Year: 1969
Type: Document
Source: TTRS

From the text ... 'About 5 million tons of tree bark were produced in 1966 as 'waste' from the Pacific Northwest wood products industry, more than two-thirds of which (table 1) came from Oregon and Washington. If all this bark were to be...

Person: Bollen
Year: 1969
Type: Document
Source: TTRS

From the text ... 'Several papers on concentrated fire vortices were presented at the 1967 Mass Fire Research Symposium in Washington, and the resulting discussion of dynamical effects on large fires due to organized vorticity ranged from the...

Person: Morton
Year: 1969
Type: Document
Source: TTRS

The advantages of using prescribed fire to fulfill certain land management objectives in the southern United States are well known. Fire is often the most economical tool available for preparing planting sites, improving forage conditions on ranges,...

Person: Ward, Dieterich
Year: 1970
Type: Document
Source: TTRS

Major aspects of the circulation through the atmostpheric environment of a number of gaseous nitrogen pollutants have been estimated, including source magnitudes, residual atmospheric concentrations,and scavenging processes. The compounds considered...

Person: Robinson, Robbins
Year: 1970
Type: Document
Source: TTRS

Costs and effectiveness of fire control, need for hazard reduction, slash disposal policy, history of slash burning, opportunities for prescribed burning, as well as fire effects, costs and benefits are described breifly. Most attention is given to the...

Person: Smith
Year: 1970
Type: Document
Source: TTRS

A devestating conflagration occurred in the scenic hills above the cities of Oakland and Berkeley, California, on October 20, 1991. burning embers carried by high winds from the perimeter of a small but growing duff fire ignited overgrown vegetation...

Person: Teague
Year: 1992
Type: Document
Source: TTRS