Evaluation of the Dependence of Fire Hazard of Young Pine Stands of Age

V.I. Tovaryansky, A.D. Kuzyk


Research of fire hazard of young pine depending on the age of young pine with the use of computer modeling of forest fires in the physical model Wildland-Urban Fire Dynamics Simulator (WFDS) was conducted. Fire hazard in 5, 10, 15, 20, 25, 30, 35 and 40-years full pine stands via velocity of the front of the fire using models of growth and height of lower branches from soil surface was evaluated. The combustible material on the ground in 5-year stands was dry grass and in older age – pine litter. The speeds of spread of ground and crown fires and transition from ground to crown fires was obtained. Transition of ground fires into crown fires was going in 5-20-year stands and this causes increase the speed of propagation of fire and fire danger.


fire hazard; young pine stand; combustive materials; ground fire

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DOI: https://doi.org/10.15421/40260534


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