DOI: 10.1002/jgrd.50794
论文题名: Attribution of primary formaldehyde and sulfur dioxide at Texas City during SHARP/formaldehyde and olefins from large industrial releases (FLAIR) using an adjoint chemistry transport model
作者: Olaguer E.P. ; Herndon S.C. ; Buzcu-Guven B. ; Kolb C.E. ; Brown M.J. ; Cuclis A.E.
刊名: Journal of Geophysical Research Atmospheres
ISSN: 21698996
出版年: 2013
卷: 118, 期: 19 起始页码: 11317
结束页码: 11326
语种: 英语
英文关键词: adjoint model
; emissions
; formaldehyde
; inverse modeling
; source attribution
Scopus关键词: Absorption spectroscopy
; Air quality
; Combustion
; Estimation
; Formaldehyde
; Industrial research
; Industry
; Inverse problems
; Particulate emissions
; Remote sensing
; Sulfur
; Adjoint models
; Chemistry transport model
; De-sulfurization process
; Differential optical absorption spectroscopy
; Fluidized catalytic cracking unit
; Inverse modeling
; Real-time observation
; Source attribution
; Sulfur dioxide
; air quality
; atmospheric pollution
; catalysis
; combustion
; computer simulation
; emission
; formaldehyde
; numerical model
; remote sensing
; resolution
; sulfur dioxide
; urban morphology
; Texas
; United States
英文摘要: An adjoint version of the Houston Advanced Research Center (HARC) neighborhood air quality model with 200 m horizontal resolution, coupled offline to the Quick Urban & Industrial Complex (QUIC-URB) fast response urban wind model, was used to perform 4-D variational (4Dvar) inverse modeling of an industrial release of formaldehyde (HCHO) and sulfur dioxide (SO2 ) in Texas City, Texas during the 2009 Study of Houston Atmospheric Radical Precursors (SHARP). The source attribution was based on real-time observations by the Aerodyne mobile laboratory and a high resolution 3-D digital model of the emitting petrochemical complex and surrounding urban canopy. The inverse model estimate of total primary HCHO emitted during the incident agrees very closely with independent remote sensing estimates based on both Imaging and Multi-Axis Differential Optical Absorption Spectroscopy (DOAS). Whereas a previous analysis of Imaging DOAS data attributed the HCHO release to a Fluidized Catalytic Cracking Unit (FCCU), the HARC model attributed most of the HCHO event emissions to both the FCCU and desulfurization processes. Fugitives contributed significantly to primary HCHO, as did combustion processes, whereas the latter accounted for most SO2 event emissions. The inferred HCHO-to-SO 2 molar emission ratio was similar to that computed directly from ambient air measurements during the release. The model-estimated HCHO-to-CO molar emission ratio for combustion units with significant inferred emissions ranged from 2% to somewhat less than 7%, consistent with other observationally-based estimates obtained during SHARP. A model sensitivity study demonstrated that the inclusion of urban morphology has a significant, but not critical, impact on the source attribution. Key Points Inverse modeling of primary HCHO was performed The results agree with independent remote sensing estimates Primary HCHO from Texas City industry is significant ©2013. American Geophysical Union. All Rights Reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/63240
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: Houston Advanced Research Center, 4800 Research Forest Dr., The Woodlands, TX 77381, United States; Aerodyne Research Inc., Billerica MA, United States; Los Alamos National Laboratory, Los Alamos NM, United States
Recommended Citation:
Olaguer E.P.,Herndon S.C.,Buzcu-Guven B.,et al. Attribution of primary formaldehyde and sulfur dioxide at Texas City during SHARP/formaldehyde and olefins from large industrial releases (FLAIR) using an adjoint chemistry transport model[J]. Journal of Geophysical Research Atmospheres,2013-01-01,118(19)