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Bibliografias temáticas / Oxygenated Volatile Organic Compounds of Biogenic Origin (VOCB)

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Artigos de revistas

Literatura científica selecionada sobre o tema "Oxygenated Volatile Organic Compounds of Biogenic Origin (VOCB)"

Autor: Grafiati

Publicado: 31 de agosto de 2024

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Artigos de revistas sobre o assunto "Oxygenated Volatile Organic Compounds of Biogenic Origin (VOCB)"

1

Debevec, Cécile, Stéphane Sauvage, Valérie Gros, et al. "Origin and variability in volatile organic compounds observed at an Eastern Mediterranean background site (Cyprus)." Atmospheric Chemistry and Physics 17, no. 18 (2017): 11355–88. http://dx.doi.org/10.5194/acp-17-11355-2017.

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Abstract. More than 7000 atmospheric measurements of over 60 C2 − C16 volatile organic compounds (VOCs) were conducted at a background site in Cyprus during a 1-month intensive field campaign held in March 2015. This exhaustive dataset consisted of primary anthropogenic and biogenic VOCs, including a wide range of source-specific tracers, and oxygenated VOCs (with various origins) that were measured online by flame ionization detection–gas chromatography and proton transfer mass spectrometry. Online submicron aerosol chemical composition was performed in parallel using an aerosol mass spectrom

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2

Langford, B., E. Nemitz, E. House, et al. "Fluxes and concentrations of volatile organic compounds above central London, UK." Atmospheric Chemistry and Physics Discussions 9, no. 4 (2009): 17297–333. http://dx.doi.org/10.5194/acpd-9-17297-2009.

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Abstract. Concentrations and fluxes of eight volatile organic compounds (VOCs) were measured during October 2006 from a high telecom tower above central London, as part of the CityFlux contribution to the REPARTEE I campaign. A continuous flow disjunct eddy covariance technique with analysis by proton transfer reaction mass spectrometry was used. Daily averaged VOC mixing ratios were within the range 1–19 ppb for the oxygenated compounds (methanol, acetaldehyde and acetone) and 0.2–1.3 ppb for the aromatics (benzene, toluene and ethylbenzene). Typical VOC fluxes were in the range 0.1–1.0 mg m−

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3

Langford, B., E. Nemitz, E. House, et al. "Fluxes and concentrations of volatile organic compounds above central London, UK." Atmospheric Chemistry and Physics 10, no. 2 (2010): 627–45. http://dx.doi.org/10.5194/acp-10-627-2010.

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Abstract. Concentrations and fluxes of eight volatile organic compounds (VOCs) were measured during October 2006 from a high telecom tower above central London, as part of the CityFlux contribution to the REPARTEE I campaign. A continuous flow disjunct eddy covariance technique with analysis by proton transfer reaction mass spectrometry was used. Daily averaged VOC mixing ratios were within the range 1–19 ppb for the oxygenated compounds (methanol, acetaldehyde and acetone) and 0.2–1.3 ppb for the aromatics (benzene, toluene and C2-benzenes). Typical VOC fluxes were in the range 0.1–1.0 mg m−2

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4

Michoud, Vincent, Jean Sciare, Stéphane Sauvage, et al. "Organic carbon at a remote site of the western Mediterranean Basin: sources and chemistry during the ChArMEx SOP2 field experiment." Atmospheric Chemistry and Physics 17, no. 14 (2017): 8837–65. http://dx.doi.org/10.5194/acp-17-8837-2017.

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Abstract. The ChArMEx (Chemistry and Aerosols Mediterranean Experiments) SOP2 (special observation period 2) field campaign took place from 15 July to 5 August 2013 in the western Mediterranean Basin at Ersa, a remote site in Cape Corse. During the campaign more than 80 volatile organic compounds (VOCs), including oxygenated species, were measured by different online and offline techniques. At the same time, an exhaustive description of the chemical composition of fine aerosols was performed with an aerosol chemical speciation monitor (ACSM). Low levels of anthropogenic VOCs (typically tens to

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5

Johnson, D., S. R. Utembe, and M. E. Jenkin. "Simulating the detailed chemical composition of secondary organic aerosol formed on a regional scale during the TORCH 2003 campaign in the southern UK." Atmospheric Chemistry and Physics Discussions 5, no. 4 (2005): 7875–902. http://dx.doi.org/10.5194/acpd-5-7875-2005.

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Abstract. Following on from the companion study (Johnson et al., 2005a), a photochemical trajectory model (PTM) has been used to simulate the chemical composition of organic aerosol for selected events during the 2003 TORCH (Tropospheric Organic Chemistry Experiment) field campaign. The PTM incorporates the speciated emissions of 124 non-methane anthropogenic volatile organic compounds (VOC) and three representative biogenic VOC, a highly-detailed representation of the atmospheric degradation of these VOC, the emission of primary organic aerosol (POA) material and the formation of secondary or

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6

Johnson, D., S. R. Utembe, and M. E. Jenkin. "Simulating the detailed chemical composition of secondary organic aerosol formed on a regional scale during the TORCH 2003 campaign in the southern UK." Atmospheric Chemistry and Physics 6, no. 2 (2006): 419–31. http://dx.doi.org/10.5194/acp-6-419-2006.

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Abstract. Following on from the companion study (Johnson et al., 2006), a photochemical trajectory model (PTM) has been used to simulate the chemical composition of organic aerosol for selected events during the 2003 TORCH (Tropospheric Organic Chemistry Experiment) field campaign. The PTM incorporates the speciated emissions of 124 non-methane anthropogenic volatile organic compounds (VOC) and three representative biogenic VOC, a highly-detailed representation of the atmospheric degradation of these VOC, the emission of primary organic aerosol (POA) material and the formation of secondary org

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7

Seco, R., J. Peñuelas, I. Filella, et al. "Volatile organic compounds in the Western Mediterranean Basin: urban and rural winter measurements during the DAURE campaign." Atmospheric Chemistry and Physics Discussions 12, no. 11 (2012): 30909–50. http://dx.doi.org/10.5194/acpd-12-30909-2012.

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Abstract. Atmospheric volatile organic compounds (VOCs) have key environmental and biological roles, but little is known about the daily VOC mixing ratios in Mediterranean urban and natural environments. We measured VOC mixing ratios concurrently at an urban and a rural site during the winter DAURE campaign in the northeastern Iberian Peninsula. All VOC mixing ratios measured were higher at the urban site (e.g. acetaldehyde, isoprene, benzene, and toluene with averages up to 1.68, 0.31, 0.58 and 2.71 ppbv, respectively), with the exception of some short chain oxygenated VOCs such as acetone (w

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8

Ait-Helal, W., A. Borbon, S. Sauvage, et al. "Volatile and intermediate-volatility organic compounds in sub-urban Paris: variability, origin and importance for SOA formation." Atmospheric Chemistry and Physics Discussions 14, no. 4 (2014): 4841–904. http://dx.doi.org/10.5194/acpd-14-4841-2014.

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Abstract. Measurements of gaseous and particulate organic carbon were performed during the MEGAPOLI experiments, in July 2009 and January–February 2010, at the SIRTA observatory in sub-urban Paris. Measurements of primary and secondary volatile organic compounds (VOCs), of both anthropogenic and biogenic origins, including for the first time C12-C16 n-alkanes of intermediate volatility (IVOCs), suspected to be efficient precursors of secondary organic aerosol (SOA). The time series of gaseous carbon are generally consistent with times series of particulate organic carbon at regional scales and

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9

McKinney, K. A., B. H. Lee, A. Vasta, T. V. Pho, and J. W. Munger. "Emissions of isoprenoids and oxygenated biogenic volatile organic compounds from a New England mixed forest." Atmospheric Chemistry and Physics Discussions 10, no. 11 (2010): 28565–633. http://dx.doi.org/10.5194/acpd-10-28565-2010.

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Abstract. Fluxes of biogenic volatile organic compounds, including isoprene, monoterpenes, and oxygenated VOCs measured above a mixed forest canopy in western Massachusetts during the 2005 and 2007 growing seasons are reported. Measurements were made using proton transfer reaction mass spectrometry (PTR-MS) and converted to fluxes using the disjunct eddy covariance technique. Isoprene was by far the predominant BVOC emitted at this site, with summer mid-day average fluxes of 5.3 and 4.4 mg m−2 h−1 in 2005 and 2007, respectively. In comparison, mid-day average fluxes of monoterpenes were 0.21 a

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10

McKinney, K. A., B. H. Lee, A. Vasta, T. V. Pho, and J. W. Munger. "Emissions of isoprenoids and oxygenated biogenic volatile organic compounds from a New England mixed forest." Atmospheric Chemistry and Physics 11, no. 10 (2011): 4807–31. http://dx.doi.org/10.5194/acp-11-4807-2011.

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Abstract. Fluxes of biogenic volatile organic compounds, including isoprene, monoterpenes, and oxygenated VOCs measured above a mixed forest canopy in central Massachusetts during the 2005 and 2007 growing seasons are reported. Mixing ratios were measured using proton transfer reaction mass spectrometry (PTR-MS) and fluxes computed by the disjunct eddy covariance technique. Isoprene was by far the predominant BVOC emitted at this site, with summer mid-day average fluxes of 5.3 and 4.4 mg m−2 hr−1 in 2005 and 2007, respectively. In comparison, mid-day average fluxes of monoterpenes were 0.21 an

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