Stable isotopic compositions of carbon monoxide from biomass burning experiments

S. Kato; H. Akimoto; T. Röckmann; M. Bräunlich; C. A.M. Brenninkmeijer

doi:10.1016/S1352-2310(99)00243-5

Stable isotopic compositions of carbon monoxide from biomass burning experiments

S. Kato^*, H. Akimoto, T. Röckmann, M. Bräunlich, C. A.M. Brenninkmeijer

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

The stable isotope composition of carbon monoxide (CO) from burning plants was measured to provide insight about isotopic compositions of CO from biomass burning. Both ¹³C/¹²C and ¹⁸O/¹⁶O ratios of CO decreased with the time from ignition and those trends were not depending on the plant species. δ¹³C values of produced CO were heavier (0.6-3.6‰ V-PDB) than those of the burned plants during flaming stage, but they became lighter (-2.1--6.8‰ V-PDB) during smoldering stage. Because CO production is enhanced in smoldering stage, average isotopic compositions of CO from biomass burning would be lighter than those of burned plants. For atmospheric model calculations on CO isotopes, isotopic fractionation of CO from biomass burning should be considered. Copyright (C) 1999 Elsevier Science Ltd.

Original language	English
Pages (from-to)	4357-4362
Number of pages	6
Journal	Atmospheric Environment
Volume	33
Issue number	27
DOIs	https://doi.org/10.1016/S1352-2310(99)00243-5
Publication status	Published - 1 Nov 1999

Funding

We are deeply thankful to L. Marufu for sharing plants of Africa and helping plants burning experiments. We would like to thank N. Ohte for carbon isotope measurements of original plants. We would also like to thank W. Hanewacker for the mass spectrometer operation. This research is partially supported by CREST (Core Research for Environmental Science and Technology) of the Japan Science and Technology Corporation.

Keywords

C,O, CO
Atmospheric chemistry
Isotopic fractionation

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10.1016/S1352-2310(99)00243-5

Cite this

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title = "Stable isotopic compositions of carbon monoxide from biomass burning experiments",

abstract = "The stable isotope composition of carbon monoxide (CO) from burning plants was measured to provide insight about isotopic compositions of CO from biomass burning. Both 13C/12C and 18O/16O ratios of CO decreased with the time from ignition and those trends were not depending on the plant species. δ13C values of produced CO were heavier (0.6-3.6‰ V-PDB) than those of the burned plants during flaming stage, but they became lighter (-2.1--6.8‰ V-PDB) during smoldering stage. Because CO production is enhanced in smoldering stage, average isotopic compositions of CO from biomass burning would be lighter than those of burned plants. For atmospheric model calculations on CO isotopes, isotopic fractionation of CO from biomass burning should be considered. Copyright (C) 1999 Elsevier Science Ltd.",

keywords = "C,O, CO, Atmospheric chemistry, Isotopic fractionation",

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AU - Kato, S.

AU - Akimoto, H.

AU - Röckmann, T.

AU - Bräunlich, M.

AU - Brenninkmeijer, C. A.M.

PY - 1999/11/1

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N2 - The stable isotope composition of carbon monoxide (CO) from burning plants was measured to provide insight about isotopic compositions of CO from biomass burning. Both 13C/12C and 18O/16O ratios of CO decreased with the time from ignition and those trends were not depending on the plant species. δ13C values of produced CO were heavier (0.6-3.6‰ V-PDB) than those of the burned plants during flaming stage, but they became lighter (-2.1--6.8‰ V-PDB) during smoldering stage. Because CO production is enhanced in smoldering stage, average isotopic compositions of CO from biomass burning would be lighter than those of burned plants. For atmospheric model calculations on CO isotopes, isotopic fractionation of CO from biomass burning should be considered. Copyright (C) 1999 Elsevier Science Ltd.

AB - The stable isotope composition of carbon monoxide (CO) from burning plants was measured to provide insight about isotopic compositions of CO from biomass burning. Both 13C/12C and 18O/16O ratios of CO decreased with the time from ignition and those trends were not depending on the plant species. δ13C values of produced CO were heavier (0.6-3.6‰ V-PDB) than those of the burned plants during flaming stage, but they became lighter (-2.1--6.8‰ V-PDB) during smoldering stage. Because CO production is enhanced in smoldering stage, average isotopic compositions of CO from biomass burning would be lighter than those of burned plants. For atmospheric model calculations on CO isotopes, isotopic fractionation of CO from biomass burning should be considered. Copyright (C) 1999 Elsevier Science Ltd.

KW - C,O, CO

KW - Atmospheric chemistry

KW - Isotopic fractionation

UR - https://www.scopus.com/pages/publications/0032815302

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DO - 10.1016/S1352-2310(99)00243-5

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SP - 4357

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JO - Atmospheric Environment

JF - Atmospheric Environment

IS - 27

ER -

Stable isotopic compositions of carbon monoxide from biomass burning experiments

Abstract

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Keywords

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