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The seasonal trends in moisture content, ether extractives, and energy of ponderosa pine and Douglas-fir needles
The moisture, ether extractive, and energy content of ponderosa pine (Pinus ponderosa Laws.) and Douglas-fir (Pseudotsuga menziesii L.) foliage were measured during two fire seasons. The moisture content of l- and 2-year-old needles was found to…
Author(s): Charles W. Philpot, Robert W. Mutch
Year Published:

Airborne infrared forest fire detection system: final report
This work was undertaken because of a mutual interest of the Department of Defense, Advanced Research Projects Agency (ARPA), and the USDA Forest Service in the problems of detecting hot targets against natural terrain backgrounds using airborne…
Author(s): Ralph A. Wilson, Stanley N. Hirsch, Forrest H. Madden, John B. Losensky
Year Published:

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