Prescribed Burn Fireclimate Survey 2 57 3 57 4 57 PDF Download

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Prescribed Burn Fireclimate Survey 4 -57

Prescribed Burn Fireclimate Survey 4 -57
Author: Clive M. Countryman
Publisher:
Total Pages: 19
Release: 1958
Genre: Fire weather
ISBN:

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Prescribed burn fireclimate survey 4-57 was the last of four prescribed burns studied in 1957. The survey was conducted in a portion of a well defined canyon opening into a relatively broad valley -- topographic features supposedly ideal for the normal mountain wind pattern of anabatic (up slope, up canyon) and katabatic (down slope, down canyon) winds. Averaged over time periods of one hour or more the classic pattern of mountain and valley winds did appear in a generalized way. Over short periods quite different patterns were apparent. Fire behavior appeared to be more closely associated with these short periods than with the generalized pattern for the area. The survey emphasized the need for considering all factors of fire environment in their relation to each other in predicting fire behavior.


Research Progress and Plans

Research Progress and Plans
Author: United States. Weather Bureau
Publisher:
Total Pages: 770
Release: 1959
Genre: Meteorology
ISBN:

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Prescribed Burn Fireclimate Survey 3-57

Prescribed Burn Fireclimate Survey 3-57
Author: Clive M. Countryman
Publisher:
Total Pages: 0
Release: 1959
Genre: Forest fire forecasting
ISBN:

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Prescribed burn 3-57 was the third of four prescribed burns studied in 1957. This burn was selected for the study because of the known occurrence of downslope daytime winds in this general area. There is little quantitative information available concerning these winds. During the period of the survey downslope winds occurred every afternoon and were much stronger than those that could be expected with more usual up-slope thermal winds. When the area was burned the wind pattern essentially controlled the fire behavior pattern. Little effect of the fire on the wind flow pattern was noted.


Prescribed Burn Fireclimate Survey 1-57 (Classic Reprint)

Prescribed Burn Fireclimate Survey 1-57 (Classic Reprint)
Author: Clive M. Countryman
Publisher: Forgotten Books
Total Pages: 28
Release: 2018-10-03
Genre: Technology & Engineering
ISBN: 9781396590238

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Excerpt from Prescribed Burn Fireclimate Survey 1-57 Experience and research have taught fire fighters a good deal about wildland fire. Its general relationship to weather, fuels, and topography is well known. Application of this knowl edge to control of fire is frequently hampered by lack of informa tion about the behavior of fireclimate in specific places - how wind, temperature, humidity, and fuel moisture are affected by topog raphy, water bodies, season, and the fire itself. The existing system of weather stations provides enough information for general weather forecasts but not enough to define local fireclimate patterns. The stations are relatively few, widely spaced, and seldom equipped with recording instruments. They gather only momentary sam ples of weather conditions and provide no information on the way the fire itself affects the patterns. 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.


Prescribed Burn Fireclimate Survey 2-57

Prescribed Burn Fireclimate Survey 2-57
Author: Clive M. Countryman
Publisher:
Total Pages: 0
Release: 1959
Genre: Forest fire forecasting
ISBN:

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Prescribed burn 2-57 was the second of four prescribed burns studied in 1957. In this burn we were particularly interested in studying air flow on the lee side of a ridge oriented approximately at right angles to the prevailing wind. Experience has shown that erratic fire behavior frequently occurs under this situation. Instrumentation and observation methods were such that we could also further explore the techniques for determining local fireclimate patterns and relating these patterns to general weather. Fire behavior followed very closely the wind pattern indicated by the survey. A firewhirl developed in an area where vertical eddy circulation was found, and the fire crossed the fireline at a point where the survey indicated persistent cross-line winds.


Prescribed Burning

Prescribed Burning
Author:
Publisher:
Total Pages: 312
Release: 1971
Genre: Fires
ISBN:

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