Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Comparisons of Aircraft Observations and Simulation Results of Atmospheric CO2 over Coastal Basin Areas

연안 분지 지역 상공에서의 대기 중 CO2 시뮬레이션 결과와 항공 관측 사례 비교

  • Park, Changhyoun (Department of Atmospheric Environmental Sciences, Pusan National University,) ;
  • Lee, KwiOk (DMJ System, Co.) ;
  • Jung, Woo-Sik (Department of Atmospheric Environment Information Engineering, Atmospheric Environment Information Research Center, Inje University)
  • Received : 2017.04.10
  • Accepted : 2017.05.08
  • Published : 2017.06.30
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Abstract

A model coupling a meteorological predictive model and a vegetation photosynthesis and respiration model was used to simulate $CO_2$ concentrations over coastal basin areas, and modeling results were estimated with aircraft observations during a massive sampling campaign. Along with the flight tracks, the model captured the meteorological variables of potential temperature and wind speed with mean bias results of $0.8^{\circ}C$, and 0.2 m/s, respectively. These results were statistically robust, which allowed for further estimation of the model's performance for $CO_2$ simulations. Two high-resolution emission data sets were adopted to determine $CO_2$ concentrations, and the results show that the model underestimated by 1.8 ppm and 0.9 ppm at higher altitude over the study areas during daytime and nighttime, respectively, on average. Overall, it was concluded that the model's $CO_2$ performance was fairly good at higher altitude over the study areas during the study period.

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References

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