위성영상을 이용한 산불피해 강도와 산림 유형과의 관계 분석- 의성산불을 중심으로 - (Analysis of the Relationship between Forest Fire Damage Intensity and Forest Types Using Satellite Imagery – Focusing on the Uiseong Wildfire –)

정성운 (SungWoon Jung); 안향식 (HyangSig An); 이관준 (KwanJun Lee); 김선집 (SeonJib Kim); 이율경 (YoulKyong Lee); 김근배 (GeunBae Kim)

doi:10.14249/eia.2025.34.6.609

Analysis of the Relationship between Forest Fire Damage Intensity and Forest Types Using Satellite Imagery – Focusing on the Uiseong Wildfire –

Journal of Environmental Impact Assessment
Abbr : J EIA
2025, 34(6), pp.609~623
DOI : 10.14249/eia.2025.34.6.609
Publisher : Korean Society Of Environmental Impact Assessment
Research Area : Engineering > Environmental Engineering
Received : December 3, 2025
Accepted : December 10, 2025
Published : December 30, 2025

SungWoon Jung ¹, HyangSig An ¹, KwanJun Lee ², SeonJib Kim ², YoulKyong Lee ³, GeunBae Kim ¹

¹국립환경과학원
²한세대학교
³참생태연구소

Accredited

ABSTRACT

This study analyzed the relationship between wildfire burn severity and vegetation types,stand age, and tree species in the Uiseong wildfire area that occurred in March 2025, using Sentinel-2 satellite imagery. Sentinel-2A/B MSI Level-2A surface reflectance data were used to calculate theNormalized Burn Ratio (NBR) and burn severity (differenced Normalized Burn Ratio; dNBR) frompre- and post-fire images. Wildfire burn severity was classified into four categories based on dNBRthresholds: unburned (<0.10), low (0.10–0.27), moderate (0.27–0.44), and high (>0.44). The averageburn severity value by vegetation type was highest in coniferous forests (0.287), followed by mixedforests (0.197), and lowest in broad-leaved forests (0.134). Damage was greater in coniferous forests,while less in broad-leaved forests. By stand age class, the average burn severity was higherin 4th~6thage classes, with a decreasing trend thereafter. By tree species, coniferous species such as Pinusdensiflora, P. thunbergii, and P. koraiensis suffered the most damage, while broadleaf trees such asQuercus mongolica, Q. variabilis, and Q. acutissima suffered less. The results of these studies showedthat restoring Korea’s forests to broad-leaved trees with higher fire resistance and inducing theirsuccession is more appropriate for forest fire management than coniferous forests.

KEYWORDS

NBR(Normalized Burn Ratio), wildfire burn severity, vegetation type, stand age, forest species

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* References for papers published after 2025 are currently being built.

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Journal of Environmental Impact Assessment 2025 KCI Impact Factor : 0.63

Analysis of the Relationship between Forest Fire Damage Intensity and Forest Types Using Satellite Imagery – Focusing on the Uiseong Wildfire –

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* References for papers published after 2025 are currently being built.

Journal of Environmental Impact Assessment 2025 KCI Impact Factor : 0.63

Analysis of the Relationship between Forest Fire Damage Intensity and Forest Types Using Satellite Imagery – Focusing on the Uiseong Wildfire –

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KEYWORDS

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