서해안 곰솔림의 지표화 산불 잠재 위험성 평가 = Assessment of Surface Fire Potential Hazards for Pinus thunbergii Stands in West Coast

다국어 초록 (Multilingual Abstract)

This study purpose to analyze the characteristics of surface fuel load and estimate potential crown fire stands. A total of 108 surface fuel samples were analyzed from transition hazards in 36 selected plots. The potential hazards of crown fire transition was estimated using the previously proposed heat energy dynamics equation. The proportion of dead leaves in the surface fuels was the highest at 73.3%, followed by snags, herbs, and shrubs. As the age increased the fuel load for shrubs and herbs decreased, while the fuel load for dead leaves and snag increased. The critical values to assessment of surface fire intensity was 1,241.29 kW/m in the Ⅱ age class, 1,778.62 kW/m in the Ⅲ age calss, 3,242.69 kW/m in the Ⅳ age class, 34,036.28 kW/m in the Ⅴ age class. As age increases, the flame intensity required for crown fire transition becomes higher. The critical flame length was 2.086m in the Ⅱ age class, and 3.536m in the Ⅴ age class. The results of this study were used to develop a fuel model and It will be used to establish pruning standards for prevent crown fires in coniferous species.

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