Yung, Y. L. and Shia, C. and Herman, R. L. (1999) Is the biomass burning source of CO decreasing? Chemosphere: Global Change Science, 1 (1-3). pp. 83-90. ISSN 0045-6535. doi:10.1016/S1465-9972(99)00015-X. https://resolver.caltech.edu/CaltechAUTHORS:20140819-093937810
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Abstract
To investigate secular changes in CO and CH_4, we examined monthly means of tropospheric measurements made from samples collected at 19 fixed sites in the National Oceanic and Atmospheric Administration (NOAA) Climate Monitoring and Diagnostics Laboratory (CMDL) global cooperative flask sampling network. The CH_4 data are available for the period 1984–1995. A somewhat shorter time series is available for CO (1989–1995). The data were analyzed to extract a consistent pattern of change in time and in latitude. The most important preliminary finding is that the patterns of CO and CH_4 change appear to resemble that of biomass burning. That is, there is maximum change during local spring in both northern and southern hemispheres. If we attribute a significant part of the change in CH_4 trend (3–6 ppb/yr) to biomass burning, the corresponding change in CO is approximately 2–5 ppb/yr. This would explain the bulk of the observed change in CO (4–7 ppb/yr).
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| Additional Information: | © 1999 Elsevier Science Ltd. Received 16 April 1998, Accepted 15 December 1998, Available online 27 January 2000. We thank J.P. Pinto, J. Wang, M.O. Andreae, E.J. Moyer, and two anonymous reviewers for helpful comments, and E.J. Dlugokencky and P.C. Novelli of NOAA±CMDL for the use of CH_4 and CO data from the NOAA±CMDL global flask sampling network. Supported by NASA grant NAG1-1806 to the California Institute of Technology. Contribution 5765 from the Division of Geological and Planetary Sciences, California Institute of Technology. | |||||||||
| Group: | UNSPECIFIED, Division of Geological and Planetary Sciences | |||||||||
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| Subject Keywords: | Carbon monoxide; Methane; Trend; Biomass burning | |||||||||
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| Issue or Number: | 1-3 | |||||||||
| DOI: | 10.1016/S1465-9972(99)00015-X | |||||||||
| Record Number: | CaltechAUTHORS:20140819-093937810 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140819-093937810 | |||||||||
| Official Citation: | Y.L. Yung, C. Shia, R.L. Herman, Is the biomass burning source of CO decreasing?, Chemosphere - Global Change Science, Volume 1, Issues 1–3, August 1999, Pages 83-90, ISSN 1465-9972, http://dx.doi.org/10.1016/S1465-9972(99)00015-X. (http://www.sciencedirect.com/science/article/pii/S146599729900015X) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 48676 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 19 Aug 2014 18:19 | |||||||||
| Last Modified: | 10 Nov 2021 18:34 |
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