crown fire वाक्य
उदाहरण वाक्य
मोबाइल
- The idea is to increase the distance between trees to prevent the so-called " crown fires, " which are virtually impossible for firefighters to put out.
- Not only would the forests be restored and the possibility of crown fires be lessened, but a new market niche in the Southwest could be created.
- The firestorm extended to the north, growing in intensity to become an aerial or crown fire, a fierce conflagration that consumes fuel from the forest's canopy.
- Also, if fire is suppressed for a number of years and then a crown fire breaks out in the area, it will quickly spread throughout the dense canopy.
- It's exactly those kind of hot-burning crown fires _ where the flames rapidly jump from one treetop to the next _ that Grand Canyon officials desperatelywant to avoid.
- He found the homes hadn't been ignited by crown fires, but by flying firebrands landing on flammable roofs or flames creeping through dense mats of dry pine needles.
- Piles of brush and deadfall accumulate, creating a fire ladder which carries flames to the top of the tall pines, erupting into dreaded crown fires, as occurred near Bandelier.
- It spreads quickly through the underbrush and climbs lower trees like ladders to reach the vulnerable tops of the tall ponderosas-- the so-called crown fires of massive fury and destruction.
- It spreads quickly through the underbrush and climbs lower trees like ladders to reach the vulnerable tops of the tall ponderosas _ creating so-called crown fires of massive fury and destruction.
- In higher elevations, dense forests with a mix of pines, firs and spruces have always been the norm, biologists say, and occasional crown fires in these regions are actually considered natural.
- He found that even the most intense " crown fires, " sending flames 120 feet into the air, will not ignite a plywood-sided building when the flames are 65 feet away.
- A crown fire also can throw embers up to a mile away, VanDriel said, " and then you could have a fire ahead of you that you don't even know about ."
- Scientists from around the world are gathering this month in Canada's Northwest Territory to study crown fires, the most dangerous fires that light the tops of trees and allow wildfires to move quickly.
- And there are so many trees in the forest understory that they form a ladder of fuel that guarantees the killing crown fires that leap into the top of the oldest and tallest trees.
- Less than 20 miles west of the Crown fire, the Foothill fire forced the temporary closing on Saturday afternoon of part of the Antelope Valley Freeway, a major artery just south of Santa Clarita.
- And while a high Haines index might mean flames are more likely to leap into the tree tops, starting a rapidly proliferating " crown fire, " the vertical motion also helps keep smoke away from settlements.
- "Leaving that many trees ( 50 percent ) leaves the forest in a condition where it will still support crown fires, " the devastating fires that can wipe out sections of the forest for decades, Covington said.
- The dominant fire regime in the boreal forest is high-intensity crown fires or severe surface fires of very large size, often more than 10, 000 ha, and sometimes more than 400, 000 ha ( Heinselman 1981 ).
- On Monday, Pasinato said, he and a group of firefighters and reporters were caught by surprise when a wall of fire raced up a mountainside toward them as they watched the Crown fire from a ridge overlooking Placerita Canyon.
- At this level, the models encounter limits in knowledge about the composition of pyrolysis products and reaction pathways, in addition to gaps in basic understanding about some aspects of fire behavior such as fire spread in live fuels and surface-to-crown fire transition.
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