Catalog

Year

Displaying 81 - 90 of 120

Biomass and hydrocarbon fuel fires are two common sources of obscuring smoke which present significant operational challenges over a broad range of possible viewing wavelengths. This is especially true of very large fires where the primary smoke...

Person: Deepak, Klimek, Radke, Hegg, Nance, Lyons, Laursen, Ferek, Hobbs, Weiss
Year: 1990
Type: Document
Source: FRAMES

BIOMASS burning is a primary source of many trace substances that are important in atmospheric chemistry. More than 80% of the world's biomass burning takes place in the tropics as a result of savanna fires, forest-clearing activity, and the...

Person: Lobert, Scharffe, Hao, Crutzen
Year: 1990
Type: Document
Source: FRAMES

My discussion starts with some of the chemical aspects of forest fuels important from an emissions production standpoint. Then combustion processes are discussed. Finally, the emissions are described according to particulate matter and gaseous...

Person: Goldammer, Ward
Year: 1990
Type: Document
Source: FRAMES

Twelve 60-m2 plots were cut and weighed in a clearing at a cattle ranch near Manaus, Amazonas, Brazil. Aboveground dry weight biomass averaged 369 metric tons (Mg ha−1) (SD=187). This corresponds to ≈483 Mg ha−1 total biomass. Pre- and post-burn...

Person: Fearnside, Lima de Alencastro Graça, Alves Rodrigues
Year: 2001
Type: Document
Source: FRAMES, TTRS

Predicted daily fluxes from an ecosystem model for water, carbon dioxide, and methane were compared with 1994 and 1996 Boreal Ecosystem Atmosphere Study (BOREAS) field measurements at sites dominated by old black spruce (Picea mariana (Mill.) BSP) (OBS...

Person: Potter, Bubier, Crill, Lafleur
Year: 2001
Type: Document
Source: FRAMES

Fire modeling and information system technology play an important supporting role in fuel and fire management. Modeling is used to examine alternative fuel treatment options, project potential ecosystem changes, and assess risk to life and property....

Person: Andrews, Queen
Year: 2001
Type: Document
Source: FRAMES, TTRS

The United States Environmental Protection Agency (EPA) will implement new regulations for the management of atmospheric particulate matter 2.5 µm and less in diameter (PM2.5), tropospheric ozone, and regional haze in the next few years. These three...

Person: Riebau, Fox
Year: 2001
Type: Document
Source: FRAMES

Attitudes and policies concerning wildland fire, fire use, and fire management have changed greatly since early European settlers arrived in North America. Active suppression of wildfires accelerated early in the 20th Century, and areas burned dropped...

Person: Conard, Hartzell, Hilbruner, Zimmerman
Year: 2001
Type: Document
Source: FRAMES, TTRS

Researchers using the eddy covariance approach to measuring trace gas fluxes are often hoping to measure carbon dioxide and energy fluxes for ecosystem intercomparisons. This paper demonstrates a systematic microprocessor-caused lag of -0.1 to -0.2 s...

Person: Zeller, Zimmerman, Hehn, Donev, Denny, Welker
Year: 2001
Type: Document
Source: FRAMES

This document represents a compendium of all supporting material prepared by the NBTT throughout the development of the Recommended Policy for Categorizing Fire Emissions. The Recommended Policy for Categorizing Fire Emissions has been developed over...

Person: Potter, Gossard, Lahm, Fitch, Jones, Nolde, Russell, Sandberg, Ziolko
Year: 2001
Type: Document
Source: FRAMES