1 edition of Estimating live fuels for shrubs and herbs with BIOPAK found in the catalog.
Estimating live fuels for shrubs and herbs with BIOPAK
1996 by U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station in Portland, OR .
Written in English
|Statement||Joseph E. Means ... [et al.].|
|Series||General technical report PNW -- GTR-372., General technical report PNW -- 372.|
|Contributions||Means, Joseph E., Pacific Northwest Research Station (Portland, Or.)|
|The Physical Object|
|Pagination||21 p. :|
|Number of Pages||21|
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This paper describes use of BIOPAK to calculate size classes of live fuels for shrubs and herbs. A library of equations to estimate such fuels in the Pacific Northwest and northern Rocky Mountains is presented and used in an by: 7.
ABSTRACT: This paper describes use of BIOPAK to calculate size classes of live fuels for shrubs and herbs. A library of equations to estimate such fuels in the Pacific Northwest and northern Rocky Mountains is presented and used in an example. These methods can be used in other regions if the user first enters fuel size-class equations.
Estimating live fuels for shrubs and Estimating live fuels for shrubs and herbs with BIOPAK book with BIOPAK. 1 online resource (21 p.) (OCoLC) Microfiche: Estimating live fuels for shrubs and herbs with BIOPAK.
1 microfiche (OCoLC) Online version: Estimating live fuels for shrubs and herbs with BIOPAK. Means et al. () describe the use of BIOPAK for estimating fuels of live shrubs and herbs in standard fuels size classes. A new equation library contains about equations for estimating fuels for species of the Pacific Northwest and northern Rocky Mountains.
Estimating live fuels for shrubs and herbs with BIOPAK / By Joseph E. Means and Or.) Pacific Northwest Research Station (Portland. Abstract. Mode of. Estimating live fuels for shrubs and herbs with BIOPAK A PNW-GTR Smoke exposure among wildland firefighters: a review and discussion of current literature.
Our estimates of leaf lifespan, leaf nitrogen, and SLA for evergreen needleleaf trees differed, respectively, by +60%, −15%, and −6% in comparison to global estimates for this PFT from the TRY plant-trait data base Similarly, our estimates for deciduous broadleaf trees differed from TRY estimates by +95%, 0%, Cited by: SH9 (): This model uses dynamic transfer of herb fuel load from live to dead.
The primary carrier of fire in SH9 is woody shrubs and shrub litter. Dense, finely branched shrubs with significant fine dead fuel, about feet tall; some herbaceous fuel may be present.
Spread rate is high, flame length very high. Live Herbaceous Moisture: With other environmental inputs set at representative levels, evaluate the range of fire behavior produced between 30% and % live herbaceous fuel moisture for dynamic fuel models. Live Woody Moisture: This consideration is critical for grass/shrub, shrub, and timber understory fuel models.
Because there is no fuel. F up of litter cast by the shrubs and the grasses or forbs in the understory. The fires are generally not very intense because fuel loads are light, the shrubs are young with little dead material, and the foliage contains little volatile material.
Usually the shrubs are short and almost totally cover the area. Estimating live fuels for shrubs and herbs with BIOPAK. 21 p. (OCoLC) Microfiche: Estimating live fuels for shrubs and herbs with BIOPAK. 1 microfiche (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors.
Means et al. () describe the use of BIOPAK for estimating fuels of live shrubs and herbs in standard fuels size classes. A new equation library contains about equations for estimating fuels for species of the Pacific Northwest and northern Rocky Mountains.
DATA REQUIREMENTS: Runs with DOS-type commands. Fuel model values for estimating fire behavior Total fuel load, live, tons/acre Dead fuel load, 4-inch, tons/acre Live fuel load, foliage, tons/acre Fuel bed depth, feet The shrub group of fuel models has File Size: 1MB.
Estimating fuel size classes for live shrubs and herbs. Means Krankina (in press) describe the use of BIOPAK to calculate size classes of live fuels for shrubs and herbs.
A library of equations to estimate such fuels in the Pacific Northwest of North America is described and used in an example. Books at Amazon. The Books homepage helps you explore Earth's Biggest Bookstore without ever leaving the comfort of your couch.
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We use data from the Digital Photo Series database to develop a suite of allometric models to estimate UVEGC for dominant forest types (Ottmar et alWright et al ).The Digital Photo Series Database is a collection of UVEG data from field sites located in major forest types throughout the US (Wright et al ).Although the data are principally used for fire fuel Cited by: 3.
Surface fuel loads were calculated using the following protocols. Dry-weight biomass of understory vegetation (live/dead shrubs, herbs, and grasses) was estimated by calculating the mid-point of the percent cover class*height*bulk density (where, bulk density of shrubs = kg/m 3, and herbs and grasses = kg/m 3 each;).Cited by: Only fuels associated with or originating from vascular plants (grasses, shrubs, and trees as opposed to mosses and worts that lack internal structure for transporting water) are considered.
The discussion of live fuels emphasizes the physiological aspects of water transfer, but only a few studies related to mechanisms of water transport in. Cornwall Ave. Bellingham, WA Ph. Email: [email protected] HOURS: Mon - Sat 10AM-6PM Sunday PM.
provide an acceptable estimate of fuel load on the ground. However, vegetation-based fuel classifications fail to recognize that (1) fuel beds, or the fuels in the surface fuel and litter/lichen/moss strata (Scott ), are composed of diverse fuel components (for example, a combination of downed woody debris, shrubs, and herbs as opposedCited by: We applied a biomass estimation technique previously developed for estimating shrub biomass using representative samples or “reference units” to estimate herbaceous grassland biomass.
A JFSP Fire Science Exchange Network Bringing People Together & Sharing Knowledge in the Northern Rockies. presented as a ratio of the amount of energy obtained from the fuel to the amount of fossil fuel energy required in its production process (Davis et al., ).
While, the estimation of energy balances includes both the life cycle energy efficiency of biofuels and the savings from fossil fuels. The substitution of petroleum-based fuels with bio-based fuels is the subject of thorough research establishing biofuel production as the future Author: Ajay Badhan.
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Mastication is an increasingly common fuel treatment primarily used in forest or shrub ecosystems. Understory trees and shrubs are “mulched”, “chipped”, “shredded”, or “mowed” creating irregularly shaped fuel particles that effectively relocates vertical “ladder” fuels onto the ground to reduce fire hazard and improve resilience to future fires (Fig.
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Medicines - herbs. : This file provides leaf trait variables with half used to estimate annual growth and age, and the remaining used to determine wood density. Krankina, O. N., Jiang, H. & Li, H. Estimating live fuels for shrubs and herbs with BIOPAK. 21 (U.S. Department of Agriculture, Forest Service, Pacific Northwest.
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