Fireline intensity definition
WebCrown Fire Initiation is an indicator of the potential for surface fire to ignite tree crown and produce either passive or active crown fire. Inputs include the gap between the surface fuels and the tree crowns (Canopy Base Height – CBH), the … WebAug 19, 2024 · Fireline intensity (the rate of heat output per unit length of fireline; kW m −1) has been linked to the efficacy of different fire control tools and strategies (Hirsch and Martell 1996), the height and intensity of tree scorch in forests (Van Wagner 1973), and the potential for crown fire initiation (Alexander and Cruz 2011).
Fireline intensity definition
Did you know?
WebThe NWCG Glossary of Wildland Fire provides an extensive listing of approved terms and definitions used by the NWCG community. It contains terms commonly used by NWCG in the areas of wildland fire and incident management and is not intended to list all terms used by NWCG groups and member agencies. The NWCG has directed that all committee and ... WebFireline intensity is most frequently used in forested ecosys-tems as there is a well-developed literature showing a relation-ship between fireline intensity or flame length and scorching height of conifer crowns and other biological impacts of fire. However, some fire effects are more closely tied to different fire intensity metrics.
WebApr 4, 2013 · Fire intensity is strongly constrained where fires are frequent, but infrequent fires show a wide range of fire intensities ( Fig. 1 A ). Ecologically, infrequent fire is associated with intense crown fire events and with low … WebThis is because Landscape Fire Behavior Rate of Spread is the maximum rate of spread (head fire), and MTT Fire Spread Rate of Spread is the based on the direction of the spread, which includes head, back and flanking fire. Fireline …
Webfireline intensityfireline intensity: Also called Byram’s intensity, this is the rate of energy release per unit length of the fire front expressed as BTU per foot of fireline per second … WebFire intensity describes the energy released from the fire or characteristics of the fire behavior such as flame length and rate of spread. Fire severity refers to the ecosystem impacts of a fire such as mortality of trees or loss in biodiversity.
WebA collapsible bucket used for lifting and moving water or fire retardant with a helicopter. barrier Any obstruction to the spread of fire. Typically an area or strip devoid of combustible fuel. base 1. A staging or command center for fire …
WebDuring the heat o summer, avoiding news reports o a wildland re raging somewhere across the country is nearly impossible. Wildland re is oten thought o as something that happens deep in national orests, out in rangelands, or perhaps in crop elds. Unortunately, the truth is that wildland res also occur in areas adjacent to residential and commercial … dh decorating ltdWeb132 In summary, fire intensity represents the energy released during various phases of the fire 133 and no single metric captures all of the relevant aspects of fire behavior. … cigarette lighter restoration alabamaWebFireLine categorized more than 99 percent of the Carr Fire area as at risk, with more than 90 percent at high or extreme risk. Within the Camp Fire area, FireLine categorized almost 100 percent of the acreage as at risk, … cigarette lighter rechargeable flashlightWebFireline intensity [Byram's fire intensity, Frontal fire intensity] n. The rate of energy or heat release per unit length of fire front, regardless of its depth (Byram 1959). Fireline … cigarette lighter power portWebJan 1, 2011 · Fireline intensity (or Byram’s intensity) is one of the most relevant quantities used in forest fire science. It helps to evaluate the effects of fuel treatment on fire behavior or to... dhd coachWebFireline intensity is the rate of heat energy released per unit time per unit length of the fireline (BTU/(ft-s)). Numerically, it is the product of the heat yield, the quantity of fuel consumed in the fire front, and the rate of spread. Flame length has been shown to be related to fireline intensity, and is used as a surrogate to estimate dhd cranleighcigarette lighter refill dangerous goods