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The Influence of Australian Bushfire on the Upper Tropospheric CO and Hydrocarbon Distribution in the South Pacific

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dc.contributor.authorLee, Donghee-
dc.contributor.authorKim, Jin-Soo-
dc.contributor.authorKaley Walker-
dc.contributor.authorPatrick Sheese-
dc.contributor.authorPark, Sang Seo-
dc.contributor.authorChoi, Taejin-
dc.contributor.authorPark, Minju-
dc.contributor.authorSong, Hwan-Jin-
dc.contributor.authorKoo, Ja-Ho-
dc.date.accessioned2026-02-10T04:16:14Z-
dc.date.available2026-02-10T04:16:14Z-
dc.date.issued2025-06-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/16599-
dc.description.abstractTo determine the long-term effect of Australian bushfires on the upper tropospheric composition in the South Pacific, we investigated the variation in CO and hydrocarbon species in the South Pacific according to the extent of Australian bushfires (2004?2020). We conducted analyses using satellite data on hydrocarbon and CO from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS), and on fire (fire count, burned area, and fire radiative power) from the Moderate Resolution Imaging Spectroradiometer (MODIS). Additionally, we compared the effects of bushfires between Northern and Southeastern Australia (N_Aus and SE_Aus, respectively). Our analyses show that Australian bushfires in austral spring (September to November) result in the largest increase in CO and hydrocarbon species in the South Pacific and even in the west of South America, indicating the trans-Pacific transport of smoke plumes. In addition to HCN (a well-known wildfire indicator), CO and other hydrocarbon species (C2H2, C2H6, CH3OH, HCOOH) are also considerably increased by Australian bushfires. A unique finding in this study is that the hydrocarbon increase in the South Pacific mostly relates to the bushfires in N_Aus, implying that we need to be more vigilant of bushfires in N_Aus, although the severe Australian bushfire in 2019?2020 occurred in SE_Aus. Due to the surface conditions in springtime, bushfires on grassland in N_Aus during this time account for most Australian bushfires. All results show that satellite data enables us to assess the long-term effect of bushfires on the air composition over remote areas not having surface monitoring platforms.en_US
dc.languageEnglishen_US
dc.subject.classification해당사항없음en_US
dc.titleThe Influence of Australian Bushfire on the Upper Tropospheric CO and Hydrocarbon Distribution in the South Pacificen_US
dc.title.alternative호주 산불이 남태평양 상부 대류권의 CO 및 탄화수소 분포에 미치는 영향en_US
dc.typeArticleen_US
dc.identifier.bibliographicCitationLee, Donghee, et al. 2025. "The Influence of Australian Bushfire on the Upper Tropospheric CO and Hydrocarbon Distribution in the South Pacific". <em>Remote Sensing</em>, 17(12): 0-0.-
dc.citation.titleRemote Sensingen_US
dc.citation.volume17en_US
dc.citation.number12en_US
dc.identifier.doihttps://doi.org/10.3390/rs17122092-
dc.citation.startPage0en_US
dc.citation.endPage0en_US
dc.description.articleClassificationSCIE-
dc.description.jcrRateJCR 2023:0en_US
dc.subject.keywordAustralian bushfireen_US
dc.subject.keywordhydrocarbonen_US
dc.subject.keywordSouth Pacificen_US
dc.subject.keywordACE-FTSen_US
dc.subject.keywordMODIS 1. Introductionen_US
dc.identifier.localId2025-0275-
Appears in Collections  
2025-2025, 남극 기후 환경 변화 이해와 전지구 영향 평가 (25-25) / 정의석 (PE25030)
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