Surface Fuel Loadings and Predicted Fire Behavior for Vegetation Types in the Northern Rocky Mountains
Author | : James Kerr Brown |
Publisher | : |
Total Pages | : 12 |
Release | : 1986 |
Genre | : Forest fires |
ISBN | : |
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Author | : James Kerr Brown |
Publisher | : |
Total Pages | : 12 |
Release | : 1986 |
Genre | : Forest fires |
ISBN | : |
Author | : James Kerr Brown |
Publisher | : Forgotten Books |
Total Pages | : 20 |
Release | : 2017-11-19 |
Genre | : |
ISBN | : 9780331411591 |
Excerpt from Surface Fuel Loadings and Predicted Fire Behavior for Vegetation Types in the Northern Rocky Mountains Many stands, identified by overstory cover type, were selected from large areas for fuel sampling. Selected stands were identified on aerial photographs and then located in the field. Stands were also selected while hiking on and off trails. Stand selection was not entirely random; however, effort was made to systematically and objectively distribute stands throughout entire drainages. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author | : Richard C. Rothermel |
Publisher | : |
Total Pages | : 52 |
Release | : 1991 |
Genre | : Forest fires |
ISBN | : |
Author | : Richard C. Rothermel |
Publisher | : Forgotten Books |
Total Pages | : 58 |
Release | : 2018-03-19 |
Genre | : Technology & Engineering |
ISBN | : 9780364970492 |
Excerpt from Predicting Behavior and Size of Crown Fires in the Northern Rocky Mountains Figure 1 - Variation in rate of spread exhibited by running crown fires. The Mack Lake fire, a plume-dominated fire, is shown as a solid line, and the Sundance fire. A wind-driven fire, is shown as a dashed line. As the name implies, a crown fire is a fire carried through the crowns of living forests. Before reaching this condition, a fire can go through several stages of development. Typically, a fire may Spread for some time in sur face fuels such as grass, forest litter, or shrubs, without interacting with the overstory. It may even smolder in forest duff for days or weeks until burning conditions improve and the fire becomes active and begins to Spread. Beighley and Bishop (1990) provide an excellent description of the transition from surface fire to crown fire in high-elevation forests. Favor able conditions for a crown fire include. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author | : Keane |
Publisher | : CreateSpace |
Total Pages | : 60 |
Release | : 2015-02-14 |
Genre | : |
ISBN | : 9781507666951 |
We investigated the spatial variability of a number of wildland fuel characteristics for the major fuel components found in six common northern Rocky Mountain ecosystems. Surface fuel characteristics of loading, particle density, bulk density, and mineral content were measured for eight fuel components-four downed dead woody fuel size classes (1, 10, 100, 1000 hr), duff, litter, shrub, and herb-on nested plots located within sampling grids to describe their variability across spatial scales. We also sampled canopy bulk density, biomass, and cover for each plot in the grid. The spatial distribution and variability of surface and canopy fuel characteristics are described using the variance, spatial autocorrelation, semi-variograms, and Moran's I. We found that all fuels had high variability in loading (two to three times the mean), and this variability increased with the size of fuel particle. We also found that fuel components varied at different scales, with fine fuels varying at scales of 1 to 5 m, coarse fuels at 10 to 150 m, and canopy fuels at 100 to 500 m. Findings and data from this study can be used to sample, describe, and map fuel characteristics, such as loading, at the appropriate spatial scales to accommodate the next generation of fire behavior prediction models.
Author | : Joe H. Scott |
Publisher | : |
Total Pages | : 128 |
Release | : 2007 |
Genre | : Flame spread |
ISBN | : |
A complete set of nomographs for estimating surface fire rate of spread and flame length for the original 13 and new 40 fire behavior fuel models is presented. The nomographs allow calculation of spread rate and flame length for wind in any direction with respect to slope and allow for nonheading spread directions. Basic instructions for use are included.