Multi-instrument comparison and compilation of non-methane organic gas emissions from biomass burning and implications for smoke-derived secondary organic aerosol precursors

Multiple trace-gas instruments were deployed during the fourth Fire Lab at Missoula Experiment (FLAME-4), including the first application of proton-transfer-reaction time-of-flight mass spectrometry (PTR-TOFMS) and comprehensive two-dimensional gas chromatography-time-offlight mass spectrometry (GC X GC-TOFMS) for laboratory biomass burning (BB) measurements. Open-path Fourier transform infrared spectroscopy (OP-FTIR) was also deployed, as well as whole-air sampling (WAS) with one-dimensional gas chromatography-mass spectrometry (GCMS) analysis. This combination of instruments provided an unprecedented level of detection and chemical speciation. The chemical composition and emission factors (EFs) determined by these four analytical techniques were compared for four representative fuels. The results demonstrate that the instruments are highly complementary, with each covering some unique and important ranges of compositional space, thus demonstrating the need for multi-instrument approaches to adequately characterize BB smoke emissions. Emission factors for overlapping compounds generally compared within experimental uncertainty, despite some outliers, including monoterpenes.

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Copyright Author(s) 2017. This work is distributed under the Creative Commons Attribution 3.0 License


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Author Hatch, L. E.
Yokelson, R. J.
Stockwell, C. E.
Veres, P. R.
Simpson, I. J.
Blake, D. R.
Orlando, John J.
Barsanti, K. C.
Publisher UCAR/NCAR - Library
Publication Date 2017-01-31T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2025-07-11T19:51:53.011441
Metadata Record Identifier edu.ucar.opensky::articles:19547
Metadata Language eng; USA
Suggested Citation Hatch, L. E., Yokelson, R. J., Stockwell, C. E., Veres, P. R., Simpson, I. J., Blake, D. R., Orlando, John J., Barsanti, K. C.. (2017). Multi-instrument comparison and compilation of non-methane organic gas emissions from biomass burning and implications for smoke-derived secondary organic aerosol precursors. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7z321fv. Accessed 06 August 2025.

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