Field Procedures for Verification and Adjustment of Fire Behavior Predictions PDF Download
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Author: Richard C. Rothermel
Publisher:
ISBN:
Category : Forest fire forecasting
Languages : en
Pages : 28
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Book Description
The problem of verifying predictions of fire behavior, primarily rate of spread, is discussed in terms of the fire situation for which predictions are made, and the type of fire where data are to be collected. Procedures for collecting data and performing analysis are presented for both readily accessible fires where data should be complete, and for inaccessible fires where data are likely to be incomplete. The material is prepared for use by field units, with no requirements for special equipment or computers. Procedures for selecting the most representative fuel model, for overall evaluation of prediction capability, and for developing calibration coefficients to improve future predictions are presented. Illustrated examples from several fires are included. The material is a companion publication to the fire prediction manual titled, 'INT-GTR-143: How to predict the spread and intensity of forest and range fire' by R. C. Rothermel.
Author: Richard C. Rothermel
Publisher:
ISBN:
Category : Forest fire forecasting
Languages : en
Pages : 28
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Book Description
The problem of verifying predictions of fire behavior, primarily rate of spread, is discussed in terms of the fire situation for which predictions are made, and the type of fire where data are to be collected. Procedures for collecting data and performing analysis are presented for both readily accessible fires where data should be complete, and for inaccessible fires where data are likely to be incomplete. The material is prepared for use by field units, with no requirements for special equipment or computers. Procedures for selecting the most representative fuel model, for overall evaluation of prediction capability, and for developing calibration coefficients to improve future predictions are presented. Illustrated examples from several fires are included. The material is a companion publication to the fire prediction manual titled, 'INT-GTR-143: How to predict the spread and intensity of forest and range fire' by R. C. Rothermel.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 358
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Book Description
Author: Philip M. McDonald
Publisher:
ISBN:
Category : Clearcutting
Languages : en
Pages : 796
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Book Description
In a 1964-1967 study on the Challenge Experimental Forest, seedfall was evaluated in 2-, 5-, and 10-acre circular clearcuttings. During the 4 years, 10 seed crops, ranging from light to bumper, were produced by ponderosa pine. white fir, Douglas-fir, and incense cedar. Seedfall ranged from 76 to 40,691 sound seed per acre (188 to 100,547/ha) for a single species in a given year. From 89 to 100 percent of each species' seed fell within an area 1 1/2 times the height of the average dominant tree. Overall, seed distribution was highly variable.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 624
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Book Description
Author: Lucy Anne Salazar
Publisher:
ISBN:
Category : Fire
Languages : en
Pages : 6
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Book Description
Author: Claudia M. Regan
Publisher:
ISBN:
Category : Biotic communities
Languages : en
Pages : 546
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Book Description
Vegetation at the Glacier Lakes Ecosystem Experiment Site, a 600 ha research site at 3200 to 3500 m elevation in the Snowy Range of southeastern Wyoming, was categorized and described from an intensive sampling of species abundances. A total of 304 vascular plant taxa were identified through collection and herbarium documentation. Plots with tree species were separated from those without tree species for ordination and classification analyses. Detrended correspondence analysis was used to order plots along major axes of composition variation, which are inferred moisture and topographic gradients. Cluster analysis was used to categorize plots based on composition similarity. The resulting groups were named according to species dominants. We identified and described in detail 4 meadow, 4 thicket or scrub, 3 krummholz, and 2 forest plant associations.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 622
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Book Description
Author: Kevin Speer
Publisher: Cambridge University Press
ISBN: 1108498558
Category : Science
Languages : en
Pages : 263
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Book Description
An overview of recent advances in the quantitative modeling of wildland fire based on fluid dynamics, including a discussion of the mathematical and dynamical principles. Providing a state-of-the-art survey, it is a useful reference for scientists, researchers, and graduate students interested in fire behavior from a range of fields.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1252
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1252
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
