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@ARTICLE{Cho:902386,
      author       = {Cho, Changmin and Clair, Jason M. St. and Liao, Jin and
                      Wolfe, Glenn M. and Jeong, Seokhan and Kang, Dae il and
                      Choi, Jinsoo and Shin, Myung-Hwan and Park, Jinsoo and Park,
                      Jeong-Hoo and Fried, Alan and Weinheimer, Andrew and Blake,
                      Donald R. and Diskin, Glenn S. and Ullmann, Kirk and Hall,
                      Samuel R. and Brune, William H. and Hanisco, Thomas F. and
                      Min, Kyung-Eun},
      title        = {{E}volution of formaldehyde ({HCHO}) in a plume originating
                      from a petrochemical industry and its volatile organic
                      compounds ({VOC}s) emission rate estimation},
      journal      = {Elementa},
      volume       = {9},
      number       = {1},
      issn         = {2325-1026},
      address      = {Washington, DC},
      publisher    = {BioOne},
      reportid     = {FZJ-2021-04220},
      pages        = {00015},
      year         = {2021},
      abstract     = {Large industrial facilities, such as petrochemical
                      complexes, have decisive effects on regional air quality:
                      directly due to their own hazardous volatile organic
                      compounds (VOCs) emissions and indirectly due to their
                      contribution to secondary air pollution. In South Korea,
                      pronounced ozone and particulate matter issues have been
                      reported in industrial areas. In this study, we develop a
                      new top-down VOC emission rate estimation method using in
                      situ airborne formaldehyde (HCHO) observations in the
                      downwind plume of the Daesan Petrochemical Complex (DPC) in
                      South Korea during the 2016 Korea–United States Air
                      Quality (KORUS-AQ) mission. On May 22, we observed a peak
                      HCHO mole fraction of 12 ppb after a transport time of 2.5 h
                      (distance approximately 36 km) under conditions where the
                      HCHO photochemical lifetime was 1.8 h. Box model
                      calculations indicate that this elevated HCHO is mainly due
                      to secondary production (more than $90\%$ after 2 h of plume
                      aging) from various VOC precursors including ethene,
                      propene, and 1,3-butadiene. We estimate a lower limit for
                      yearly DPC VOC emissions of 31 (±8.7) × 103 MT/year for
                      HCHO precursors and 53 (±15) × 103 MT/year for all
                      measured primary VOCs. These estimates are 1.5–2.5 times
                      higher than the latest Korean emission inventories, KORUSv5.
                      This method is beneficial not only by tracking the sources,
                      sinks, and evolution of HCHO but also by validating existing
                      emission inventories.},
      cin          = {IEK-8},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {2111 - Air Quality (POF4-211)},
      pid          = {G:(DE-HGF)POF4-2111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000683372300001},
      doi          = {10.1525/elementa.2021.00015},
      url          = {https://juser.fz-juelich.de/record/902386},
}