A Comparative Analysis of Fuel Moisture Contents Variation by Pinus densiflora and Quercus variabilis Stick for Estimating Moisture Contents in Forest Fire Surface Fuel in the Spring

作者
Chan Ho Yeom,Si Young Lee,Houng Sek Park,Myoung Soo Won
出处
期刊:Crisisonomy [Crisis and Emergency Management:Theory and Praxis]
卷期号:12 (12): 59-67 被引量:1
标识
DOI:10.14251/crisisonomy.2016.12.12.59
摘要

본 연구에서는 봄철 산불 지상연료습도 추정을 위한 소나무와 참나무 환봉의 연료습도 변화 비교를 위해 수종별(소나무, 참나무), 길이별(30, 50cm), 직경별(1, 1.5, 2cm)로 환봉을 제작하여 임외에 설치 후 봄철(3~5월) 환봉의 수분변화량을 2개 수종 × 2개 길이 × 3개 두께 × 3반복 × 3회/1일 × 53일 = 총 5,724회 측정하였다. 측정된 환봉의 수분변화량을 FMC(Fuel Moisture Contents)로 변환하여 연료의 건조무게에 대한 수분함량의 비율을 계산하여 수종별, 길이별, 직경별 환봉의 연료습도 표준편차를 비교하였다. 그 결과 수종별 수분변화량에서는 소나무가 참나무보다 수분변화량이 큰 것으로 나타났다. 따라서 소나무환봉의 수분변화량은 소나무(직경1cm 길이50cm) > 소나무(직경1cm 길이30cm) > 소나무(직경1.5cm 길이50cm) > 소나무(직경2cm 길이50cm) > 소나무(직경1.5cm 길이30cm)> 소나무(직경2cm길이30cm) 순으로 민감도가 높은 것으로 나타났다.In these studies, we analyzed moisture contents variation in wood stick made from Pinus densiflora and Quercus variabilis for estimating moisture contents in forest fire surface fuel. For these studies, sample sticks were made by species (Pinus densiflora and Quercus variabilis), length (30cm and 50cm) and diameter (1cm, 1.5cm and 2cm). These sample sticks were installed on wildland around forest and moisture content in sample sticks was measured 5,724 times in spring (from March to May). The responsiveness for moisture contents variation in sample sticks was highest in Pinus densiflora (1cm of diameter and 50cm of length), followed by Pinus densiflora (1cm of diameter and 30cm of length), Pinus densiflora (1.5cm of diameter and 50cm of length), Pinus densiflora (2cm of diameter and 50cm of length), Pinus densiflora (1.5cm of diameter and 30cm of length) and Pinus densiflora (2cm of diameter and 30cm of length).

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