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Korean Meteorological Society (한국기상학회)
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Study on Sensitivities and Fire Area Errors in WRF-Fire Simulation to Different Resolution Data Set of Fuel and Terrain, and Surface Wind

WRF-Fire 산불 연료 · 지형자료 해상도와 지상바람의 연소면적 모의민감도 및 오차 분석연구

  • Seong, Ji-Hye (High-impact Weather Research Center, Forecast Research Division, NIMR/KMA) ;
  • Han, Sang-Ok (High-impact Weather Research Center, Forecast Research Division, NIMR/KMA) ;
  • Jeong, Jong-Hyeok (High-impact Weather Research Center, Forecast Research Division, NIMR/KMA) ;
  • Kim, Ki-Hoon (High-impact Weather Research Center, Forecast Research Division, NIMR/KMA)
  • 성지혜 (국립기상연구소 예보연구과 재해기상연구센터) ;
  • 한상옥 (국립기상연구소 예보연구과 재해기상연구센터) ;
  • 정종혁 (국립기상연구소 예보연구과 재해기상연구센터) ;
  • 김기훈 (국립기상연구소 예보연구과 재해기상연구센터)
  • Received : 2013.10.07
  • Accepted : 2013.12.04
  • Published : 2013.12.31
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Abstract

This study conducted WRF-Fire simulations in order to investigate sensitivities of the resolution of fire fuel and terrain data sets, and the surface wind to simulated fire area. The sensitivity simulations were consisted of 8 different WRF-Fire runs, each of which used different combination of data sets of fire fuel and terrain with different resolution. From the results it was turned out that the surface wind was most sensitive. The next was fire fuel and then fire terrain. Unfortunately, every run produced too much fire area. In other words no simulations succeeded in simulating such proper fire area so as for the WRF-Fire to be used realistically. It was verified that the errors of fire area from each runs were contributed by 41%, 53%, and 6% from surface wind, fire fuel, and fire terrain, respectively. Finally this study suggested that the selection of Anderson fuel category in the area of interest seemed to be very critical in the performance of WRF-Fire simulations.

Keywords

References

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