2002
DOI: 10.1029/2002gb001895
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Atmospheric methanol budget and ocean implication

Abstract: [1] Methanol is a biogeochemically active compound and a significant component of the volatile organic carbon in the atmosphere. It influences background tropospheric photochemistry and may serve as a tracer for biogenic emissions. The mass of methanol in the atmospheric reservoir, the annual mass flux of methanol from sources to sinks, and the estimated atmospheric lifetime of methanol in the free troposphere, marine boundary layer, continental boundary layer, and in-cloud, are evaluated. The atmosphere conta… Show more

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Cited by 223 publications
(423 citation statements)
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References 90 publications
(163 reference statements)
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“…For methanol, the net oceanic sink is uncertain, ranging from 0.1 to 21 Tg (C) a −1 (Heikes et al, 2002;Galbally and Kirstine, 2002;Jacob et al, 2005), with a recent study by Millet et al (2008) resulting in an net oceanic methanol sink of 6 Tg (C) a −1 . The simulated oceanic uptake of methanol ranges from 1.2 to 1.85 Tg (C) a −1 (Fig.…”
Section: Ocean-to-atmosphere Fluxesmentioning
confidence: 99%
“…For methanol, the net oceanic sink is uncertain, ranging from 0.1 to 21 Tg (C) a −1 (Heikes et al, 2002;Galbally and Kirstine, 2002;Jacob et al, 2005), with a recent study by Millet et al (2008) resulting in an net oceanic methanol sink of 6 Tg (C) a −1 . The simulated oceanic uptake of methanol ranges from 1.2 to 1.85 Tg (C) a −1 (Fig.…”
Section: Ocean-to-atmosphere Fluxesmentioning
confidence: 99%
“…Little is known about the sources of methanol in the water column. Methanol may be deposited from the atmosphere and produced by phytoplankton (Milne et al, 1995;Heikes et al, 2002) and bacterial transformation of algal carbohydrates (Sieburth and Keller, 1988). OM43 have been associated with phytoplankton blooms (Morris et al, 2006), however, our identification of OM43 methanol dehydrogenase and hexulose-6-phosphate synthase proteins in all samples suggest methylotrophic populations are sustained in the Northwest Atlantic even at times of low phytoplankton abundance.…”
Section: One Carbon Metabolismmentioning
confidence: 99%
“…Sources include plant growth, ocean and decomposition of plant matter as well as biomass burning emission Andreae and Merlet, 2001). The principal sink of CH 3 OH is chemical loss due to OH reaction (Heikes et al, 2002) leading to the formation of CO and H 2 CO (Millet et al, 2006;Rinsland et al, 2009;Stavrakou et al, 2011). The lifetime of CH 3 OH in the surface boundary layer is three to six days (Heikes et al, 2002) and between five and ten days on a global scale (Jacob et al, 2005;Stavrakou et al, 2011).…”
Section: Seasonal Variabilities Of Hcn Ch 3 Oh Hcooh and H 2 Comentioning
confidence: 99%