지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Atmospheric transport pathway of an air mass is an important constraint controlling the chemical properties of the air mass observed at a designated location. Such information could be utilized for understanding observed temporal variabilities in atmospheric concentrations of
long-lived chemical compounds, of which sinks and/or sources are related particularly with natural and/or anthropogenic processes in the surface, and as well as for performing inversions to constrain the fluxes of such compounds. The Lagrangian particle dispersion model FLEXPART provides a useful tool for estimating detailed particle dispersion during atmospheric transport, a significant improvement over traditional “single-line” trajectory models that have been widely used. However, those without a modeling background seeking to create simple back-trajectory maps may find it challenging to optimize FLEXPART for their needs. In this study, we explain how to set up, operate, and optimize FLEXPART for back-trajectory analysis, and also provide automatization programs based on the open-source R language. Discussions include setting up an “AVAILABLE” file (directory of input meteorological fields stored on the computer), creating C-shell scripts for initiating FLEXPART runs and storing the output in directories designated by date, as wells as processing the FLEXPART output to create figures for a back-trajectory “footprint” (potential emission sensitivity within the boundary layer). Step by step instructions are explained for an example case of calculating back trajectories derived for Anmyeon-do, Korea for January 2011. One application is also demonstrated in interpreting observed variabilities in atmospheric CO₂ concentration at Anmyeon-do during this period Back-trajectory modeling information introduced in this study should facilitate the creation and automation of most common back-trajectory calculation needs in atmospheric research.
long-lived chemical compounds, of which sinks and/or sources are related particularly with natural and/or anthropogenic processes in the surface, and as well as for performing inversions to constrain the fluxes of such compounds. The Lagrangian particle dispersion model FLEXPART provides a useful tool for estimating detailed particle dispersion during atmospheric transport, a significant improvement over traditional “single-line” trajectory models that have been widely used. However, those without a modeling background seeking to create simple back-trajectory maps may find it challenging to optimize FLEXPART for their needs. In this study, we explain how to set up, operate, and optimize FLEXPART for back-trajectory analysis, and also provide automatization programs based on the open-source R language. Discussions include setting up an “AVAILABLE” file (directory of input meteorological fields stored on the computer), creating C-shell scripts for initiating FLEXPART runs and storing the output in directories designated by date, as wells as processing the FLEXPART output to create figures for a back-trajectory “footprint” (potential emission sensitivity within the boundary layer). Step by step instructions are explained for an example case of calculating back trajectories derived for Anmyeon-do, Korea for January 2011. One application is also demonstrated in interpreting observed variabilities in atmospheric CO₂ concentration at Anmyeon-do during this period Back-trajectory modeling information introduced in this study should facilitate the creation and automation of most common back-trajectory calculation needs in atmospheric research.
목차
Abstract
1. 서론
2. FLEXPART 운영기반
3. FLEXPART 운용 체계
4. FLEXPART의 응용 사례
참고문헌
참고문헌 (12)
참고문헌 신청
2. [학술지(정기간행물)] - Cooper, O. R / 2010 / Increasing springtime ozone mixing ratios in the free troposphere over western North America / Nature 463 (7279) : 344 ~ 348
3. [학술지(정기간행물)] - Hirdman, D / 2009 / Transport of mercury in the Arctic atmosphere: Evidence for a spring-time net sink and summer-time source / Geophys. Res. Lett 36 (12) : L12814 ~
4. [학술지(정기간행물)] - Kim, J / 2010 / Regional atmospheric emissions determined from measurements at Jeju Island, Korea: Halogenated compounds from China / Geophys. Res. Lett 37 (12) : L12801 ~
5. [학술지(정기간행물)] - Li, S / 2011 / Emissions of Halogenated Compounds in East Asia Determined from Measurements at Jeju Island, Korea / Environ. Sci. Technol 45 (13) : 5668 ~ 5675
6. [학술지(정기간행물)] - Miller, J. B / 2012 / Linking emissions of fossil fuel CO2 and other anthropogenic trace gases using atmospheric 14CO2 / J. Geophys. Res 117 (D8) : D08302 ~
3. [학술지(정기간행물)] - Hirdman, D / 2009 / Transport of mercury in the Arctic atmosphere: Evidence for a spring-time net sink and summer-time source / Geophys. Res. Lett 36 (12) : L12814 ~
4. [학술지(정기간행물)] - Kim, J / 2010 / Regional atmospheric emissions determined from measurements at Jeju Island, Korea: Halogenated compounds from China / Geophys. Res. Lett 37 (12) : L12801 ~
5. [학술지(정기간행물)] - Li, S / 2011 / Emissions of Halogenated Compounds in East Asia Determined from Measurements at Jeju Island, Korea / Environ. Sci. Technol 45 (13) : 5668 ~ 5675
6. [학술지(정기간행물)] - Miller, J. B / 2012 / Linking emissions of fossil fuel CO2 and other anthropogenic trace gases using atmospheric 14CO2 / J. Geophys. Res 117 (D8) : D08302 ~
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UCI(KEPA) : I410-ECN-0101-2014-450-003135029