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dc.contributor.authorHudman, R.C.
dc.contributor.authorMurray, Lee Thomas
dc.contributor.authorJacob, Daniel J.
dc.contributor.authorMillet, D.B.
dc.contributor.authorTurquety, S.
dc.contributor.authorWu, S.
dc.contributor.authorBlake, D.R.
dc.contributor.authorGoldstein, A.H.
dc.contributor.authorHolloway, J.
dc.contributor.authorSachse, G.W.
dc.date.accessioned2010-01-21T14:51:48Z
dc.date.issued2008
dc.identifier.citationHudman, R.C., Lee T. Murray, Daniel J. Jacob, D.B. Millet, S. Turquety, S. Wu, D. R. Blake, A. H. Goldstein, J. Holloway, and G. W. Sachse. 2008. Biogenic vs. Anthropogenic sources of CO over the United States. Geophysical Research Letters 35(L04801): 1-5.en_US
dc.identifier.issn0094-8276en_US
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:3554389
dc.description.abstractAircraft observations of carbon monoxide (CO) from the ICARTT campaign over the eastern United States in summer 2004 (July 1–August 15), interpreted with a global 3-D model of tropospheric chemistry (GEOS-Chem), show that the national anthropogenic emission inventory from the U.S. Environmental Protection Agency (93 Tg CO y−1) is too high by 60% in summer. Our best estimate of the CO anthropogenic source for the ICARTT period is 6.4 Tg CO, including 4.6 Tg from direct emission and 1.8 Tg CO from oxidation of anthropogenic volatile organic compounds (VOCs). The biogenic CO source for the same period from the oxidation of isoprene and other biogenic VOCs is 8.3 Tg CO, and is independently constrained by ICARTT observations of formaldehyde (HCHO). Anthropogenic emissions of CO in the U.S. have decreased to the point that they are now lower than the biogenic source in summer.en_US
dc.description.sponsorshipEarth and Planetary Sciencesen_US
dc.description.sponsorshipEngineering and Applied Sciencesen_US
dc.language.isoen_USen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.isversionofdoi:10.1029/2007GL032393en_US
dc.relation.hasversionhttp://acmg.seas.harvard.edu/recentpapers.html#P2008en_US
dash.licenseLAA
dc.titleBiogenic Versus Anthropogenic Sources of CO in the United Statesen_US
dc.typeJournal Articleen_US
dc.description.versionVersion of Recorden_US
dc.relation.journalGeophysical Research Lettersen_US
dash.depositing.authorJacob, Daniel J.
dc.date.available2010-01-21T14:51:48Z
dc.identifier.doi10.1029/2007GL032393*
dash.contributor.affiliatedMurray, Lee Thomas
dash.contributor.affiliatedJacob, Daniel


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