Добірка наукової літератури з теми "Oxygenated Volatile Organic Compounds of Biogenic Origin (VOCB)"
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Статті в журналах з теми "Oxygenated Volatile Organic Compounds of Biogenic Origin (VOCB)"
Debevec, Cécile, Stéphane Sauvage, Valérie Gros, Jean Sciare, Michael Pikridas, Iasonas Stavroulas, Thérèse Salameh, et al. "Origin and variability in volatile organic compounds observed at an Eastern Mediterranean background site (Cyprus)." Atmospheric Chemistry and Physics 17, no. 18 (September 25, 2017): 11355–88. http://dx.doi.org/10.5194/acp-17-11355-2017.
Повний текст джерелаLangford, B., E. Nemitz, E. House, G. J. Phillips, D. Famulari, B. Davison, J. R. Hopkins, A. C. Lewis, and C. N. Hewitt. "Fluxes and concentrations of volatile organic compounds above central London, UK." Atmospheric Chemistry and Physics Discussions 9, no. 4 (August 14, 2009): 17297–333. http://dx.doi.org/10.5194/acpd-9-17297-2009.
Повний текст джерелаLangford, B., E. Nemitz, E. House, G. J. Phillips, D. Famulari, B. Davison, J. R. Hopkins, A. C. Lewis, and C. N. Hewitt. "Fluxes and concentrations of volatile organic compounds above central London, UK." Atmospheric Chemistry and Physics 10, no. 2 (January 22, 2010): 627–45. http://dx.doi.org/10.5194/acp-10-627-2010.
Повний текст джерелаMichoud, Vincent, Jean Sciare, Stéphane Sauvage, Sébastien Dusanter, Thierry Léonardis, Valérie Gros, Cerise Kalogridis, 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 (July 21, 2017): 8837–65. http://dx.doi.org/10.5194/acp-17-8837-2017.
Повний текст джерелаJohnson, 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 (August 30, 2005): 7875–902. http://dx.doi.org/10.5194/acpd-5-7875-2005.
Повний текст джерелаJohnson, 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 (February 8, 2006): 419–31. http://dx.doi.org/10.5194/acp-6-419-2006.
Повний текст джерелаSeco, R., J. Peñuelas, I. Filella, J. Llusia, S. Schallhart, A. Metzger, M. Müller, and A. Hansel. "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 (November 30, 2012): 30909–50. http://dx.doi.org/10.5194/acpd-12-30909-2012.
Повний текст джерелаAit-Helal, W., A. Borbon, S. Sauvage, J. A. de Gouw, A. Colomb, V. Gros, F. Freutel, 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 (February 21, 2014): 4841–904. http://dx.doi.org/10.5194/acpd-14-4841-2014.
Повний текст джерелаMcKinney, 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 (November 22, 2010): 28565–633. http://dx.doi.org/10.5194/acpd-10-28565-2010.
Повний текст джерелаMcKinney, 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 (May 24, 2011): 4807–31. http://dx.doi.org/10.5194/acp-11-4807-2011.
Повний текст джерелаДисертації з теми "Oxygenated Volatile Organic Compounds of Biogenic Origin (VOCB)"
Fakih, Mariam. "Réactivité atmosphérique des principaux produits d'oxydation de première génération des monoterpènes." Electronic Thesis or Diss., Reims, 2024. http://www.theses.fr/2024REIMS010.
Повний текст джерелаMonoterpenes are biogenic volatile organic compounds (BVOCs) widely emitted into the atmosphere by forests and plant crops, thus representing significant players in atmospheric chemistry. Their high reactivity towards atmospheric oxidants has been the subject of several studies in the literature. However, their first-generation oxidation products are less evaluated, and could partly explain the missing reactivity and the underestimation of AOS formation by models. In this context, this study aims to understand the atmospheric reactivity of five VOCBs (nopinone, myrtenal, ketolimonene, caronaldehyde, and limononaldehyde) that are first-generation oxidation products of α- and β-pinene and limonene. This work focuses on the study of degradation processes by determining the kinetics and mechanism of oxidation reactions of the targeted BVOCs by the OH radical, chlorine and ozone, as well as their potential photolysis through the study of their UV-Vis absorption spectra. To this end, the oxidation reactions of five first-generation monoterpene oxidation products were studied in an atmospheric simulation chamber coupled with various analytical techniques (FTIR, SPME-GC/MS, PTR-MS-ToF).The spectroscopic study focused on determining the UV-visible absorption spectra of the five compounds in the 200-400 nm range at a temperature of 353 ± 2 K, and at a pressure below the saturation vapor pressure of COVB. The spectra show a broad absorption band between 240 and 370 nm, corresponding to the n-π* band of the carbonyl group. The significant absorption of these compounds above 290 nm suggests that they are likely to be removed by photolysis in at least a few hours.The temperature kinetic studies carried out in this thesis concern the (VOC+ OH) reaction for nopinone, myrtenal, ketolimonene and limononaldehdye, the (VOC + Cl) reaction for nopinone, myrtenal and ketolimonene and the ozonolysis reaction for ketolimonene, myrtenal and limononaldehyde. Experiments were carried out using either the relative or the absolute kinetic method in the temperature range 298 - 353 K and at atmospheric pressure. The kinetic results obtained made it possible to calculate the atmospheric lifetimes of these compounds. Their atmospheric persistence does not exceed one day. Overall, these lifetimes show that the main route of elimination for the compounds studied is through their reaction with OH radicals, with significant competition in coastal regions from Cl radicals. The study also revealed a generally positive trend for OH radicals and ozone with increasing temperature, and a negative trend for chlorine.Finally, mechanistic ozonolysis studies of ketolimonene, myrtenal and limononaldehyde were carried out. These studies consist of monitoring the temporal evolution of the reagents as well as the reaction product. These data allowed us to extract the formation rate of the products formed during ozonolysis processes. Based on these results, reaction mechanisms of ozonolysis of ketolimonene, myrtenal and limononaldehyde are proposed