Predicting Behavior And Size Of Crown Fires In The Northern Rocky Mountains
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Predicting Behavior And Size Of Crown Fires In The Northern Rocky Mountains
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Author : Richard C. Rothermel
language : en
Publisher:
Release Date : 1991
Predicting Behavior And Size Of Crown Fires In The Northern Rocky Mountains written by Richard C. Rothermel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Forest fire detection categories.
Predicting Behavior And Size Of Crown Fires In The Northern Rocky Mountains Classic Reprint
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Author : Richard C. Rothermel
language : en
Publisher: Forgotten Books
Release Date : 2018-03-19
Predicting Behavior And Size Of Crown Fires In The Northern Rocky Mountains Classic Reprint written by Richard C. Rothermel and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-19 with Technology & Engineering categories.
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.
Predicting Behavior And Size Of Crown Fires In The Northern Rocky Mountains
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Author : Richard C. Rothermel
language : en
Publisher:
Release Date : 1991
Predicting Behavior And Size Of Crown Fires In The Northern Rocky Mountains written by Richard C. Rothermel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Forest fire detection categories.
Assessing Crown Fire Potential By Linking Models Of Surface And Crown Fire Behavior
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Author : Joe H. Scott
language : en
Publisher:
Release Date : 2001
Assessing Crown Fire Potential By Linking Models Of Surface And Crown Fire Behavior written by Joe H. Scott and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Fire risk assessment categories.
Fire managers are increasingly concerned about the threat of crown fires, yet only now are quantitative methods for assessing crown fire hazard being developed. Links among existing mathematical models of fire behavior are used to develop two indices of crown fire hazard-the Torching Index and Crowning Index. These indices can be used to ordinate different forest stands by their relative susceptibility to crown fire and to compare the effectiveness of crown fire mitigation treatments. The coupled model was used to simulate the wide range of fire behavior possible in a forest stand, from a low-intensity surface fire to a high-intensity active crown fire, for the purpose of comparing potential fire behavior. The hazard indices and behavior simulations incorporate the effects of surface fuel characteristics, dead and live fuel moistures (surface and crown), slope steepness, canopy base height, canopy bulk density, and wind reduction by the canopy. Example simulations are for western Montana Pinus ponderosa and Pinus contorta stands. Although some of the models presented here have had limited testing or restricted geographic applicability, the concepts will apply to models for other regions and new models with greater geographic applicability.
Comparison Of Crown Fire Modeling Systems Used In Three Fire Management Applications
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Author : Joe H. Scott
language : en
Publisher:
Release Date : 1998
Comparison Of Crown Fire Modeling Systems Used In Three Fire Management Applications written by Joe H. Scott and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Flame spread categories.
Research Paper Int
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Author :
language : en
Publisher:
Release Date : 1990
Research Paper Int written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Forests and forestry categories.
Small Mammal Populations In A Grazed And Ungrazed Riparian Habitat In Nevada
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Author : Dean E. Medin
language : en
Publisher:
Release Date : 1989
Small Mammal Populations In A Grazed And Ungrazed Riparian Habitat In Nevada written by Dean E. Medin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Grazing categories.
Montana S Log Home Industry
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Author : Bret W. Tobalske
language : en
Publisher:
Release Date : 1991
Montana S Log Home Industry written by Bret W. Tobalske and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Beavers categories.
Research Paper Rmrs
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Author :
language : en
Publisher:
Release Date : 1998
Research Paper Rmrs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Forests and forestry categories.
Optimum Timeframes For Detecting Songbird Vocalizations In The Black Hills
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Author : Todd R. Mills
language : en
Publisher:
Release Date : 2000
Optimum Timeframes For Detecting Songbird Vocalizations In The Black Hills written by Todd R. Mills and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Birdsongs categories.
Birds are indicators of vegetation structure and ecological conditions. The singing activity of birds declines during late-morning periods, which can affect estimates of abundance and conclusions regarding vegetative conditions indexed by birds. Therefore, it is important to quantify periods of bird activity so biologists can plan studies. We determined hourly detections from singing males of 22 nongame bird species in ponderosa pine, quaking aspen, and grassland vegetation types in the Black Hills of South Dakota. Detections of 12 of 22 species differed among 1-hr intervals after sunrise. Detections of yellowrumped warblers, Townsend's solitaires, red-breasted nuthatches, western tanagers, and American robins decreased on count-episodes more than 4 hrs after sunrise. Detections of dusky flycatchers declined on count-episodes more than 3 hrs after sunrise and detections of black-capped chickadees were greatest during the first hour after sunrise and declined afterward. Detections of many other species from songs or calls decreased on count-episodes more than 5 hrs after sunrise. We recommend that bird counts in the Black Hills be completed within 4 hrs after sunrise so estimates of bird abundance are not affected by reduced singing among males.