Littérature scientifique sur le sujet « Tropospheric halogens »
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Articles de revues sur le sujet "Tropospheric halogens"
Caram, Cyril, Sophie Szopa, Anne Cozic, Slimane Bekki, Carlos A. Cuevas et Alfonso Saiz-Lopez. « Sensitivity of tropospheric ozone to halogen chemistry in the chemistry–climate model LMDZ-INCA vNMHC ». Geoscientific Model Development 16, no 14 (18 juillet 2023) : 4041–62. http://dx.doi.org/10.5194/gmd-16-4041-2023.
Texte intégralSherwen, Tomás, Mat J. Evans, Lucy J. Carpenter, Johan A. Schmidt et Loretta J. Mickley. « Halogen chemistry reduces tropospheric O<sub>3</sub> ; radiative forcing ». Atmospheric Chemistry and Physics 17, no 2 (31 janvier 2017) : 1557–69. http://dx.doi.org/10.5194/acp-17-1557-2017.
Texte intégralWang, Siyuan, Johan A. Schmidt, Sunil Baidar, Sean Coburn, Barbara Dix, Theodore K. Koenig, Eric Apel et al. « Active and widespread halogen chemistry in the tropical and subtropical free troposphere ». Proceedings of the National Academy of Sciences 112, no 30 (29 juin 2015) : 9281–86. http://dx.doi.org/10.1073/pnas.1505142112.
Texte intégralLong, M. S., W. C. Keene, R. C. Easter, R. Sander, X. Liu, A. Kerkweg et D. Erickson. « Sensitivity of tropospheric chemical composition to halogen-radical chemistry using a fully coupled size-resolved multiphase chemistry/global climate system – Part 1 : Halogen distributions, aerosol composition, and sensitivity of climate-relevant gases ». Atmospheric Chemistry and Physics Discussions 13, no 3 (7 mars 2013) : 6067–129. http://dx.doi.org/10.5194/acpd-13-6067-2013.
Texte intégralLary, D. J. « Halogens and the chemistry of the free troposphere ». Atmospheric Chemistry and Physics Discussions 4, no 5 (16 septembre 2004) : 5367–80. http://dx.doi.org/10.5194/acpd-4-5367-2004.
Texte intégralLary, D. J. « Halogens and the chemistry of the free troposphere ». Atmospheric Chemistry and Physics 5, no 1 (27 janvier 2005) : 227–37. http://dx.doi.org/10.5194/acp-5-227-2005.
Texte intégralCadoux, Anita, Susann Tegtmeier et Alessandro Aiuppa. « Natural Halogen Emissions to the Atmosphere : Sources, Flux, and Environmental Impact ». Elements 18, no 1 (1 février 2022) : 27–33. http://dx.doi.org/10.2138/gselements.18.1.27.
Texte intégralSherwen, Tomás, Johan A. Schmidt, Mat J. Evans, Lucy J. Carpenter, Katja Großmann, Sebastian D. Eastham, Daniel J. Jacob et al. « Global impacts of tropospheric halogens (Cl, Br, I) on oxidants and composition in GEOS-Chem ». Atmospheric Chemistry and Physics 16, no 18 (29 septembre 2016) : 12239–71. http://dx.doi.org/10.5194/acp-16-12239-2016.
Texte intégralLehrer, E., G. Hönninger et U. Platt. « The mechanism of halogen liberation in the polar troposphere ». Atmospheric Chemistry and Physics Discussions 4, no 3 (28 juin 2004) : 3607–52. http://dx.doi.org/10.5194/acpd-4-3607-2004.
Texte intégralLehrer, E., G. Hönninger et U. Platt. « A one dimensional model study of the mechanism of halogen liberation and vertical transport in the polar troposphere ». Atmospheric Chemistry and Physics 4, no 11/12 (6 décembre 2004) : 2427–40. http://dx.doi.org/10.5194/acp-4-2427-2004.
Texte intégralThèses sur le sujet "Tropospheric halogens"
Choi, Sungyeon. « Investigation of tropospheric bro using space-based total column bro measurements ». Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43682.
Texte intégralGaleazzo, Tommaso. « Tracking volcanic sulphate : modelling tropospheric volcanic sulphate formation and its oxygen isotopic signatures ». Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS300.
Texte intégralVolcanic emissions are a major source of sulphur. Volcanic sulphur is oxidized and forms sulphate aerosols that influence the climate by absorbing and dispersing incident solar radiation. Sulphur emissions in the troposphere influence local and regional climate, but large uncertainties remain regarding oxidation and its conversion into volcanic sulphate aerosols. The oxidation of sulphur in a wide range of volcanic plumes and the influence of volcanic halogens on plume chemistry are studied using a chemical box model. At the same time, the isotopic oxygen composition of volcanic sulphate, namely the excess of 17-O (∆17O), is being explored, which can provide constraints on sulphur oxidation pathways. The results suggest that in the presence of water droplets and ash, the oxidation of sulphur in plumes is mainly due to aqueous phase oxidation with O2 catalyzed by transition metal ions (TMI). Halogen emissions promote the domi- nance of O2 /TMI by inducing ozone depletion events (ODEs). In the absence of water droplets, plume chemistry is largely determined by heterogeneous chemistry on primary sulphate aerosols. The dominant oxidants in these plumes are OH and H2O2. The oxidation rate of sulphur is significantly reduced compared to plumes containing water droplets. The results show that oxygen isotopes in sulphates provide strong constraints on the chemical balance of sulphur in volcanic plumes and on the role of volcanic halogens
Caram, Cyril. « Rôle et fonctionnement des atmosphères naturelles ou faiblement polluées dans la régulation de la capacité oxydante de l’atmosphère terrestre ». Electronic Thesis or Diss., université Paris-Saclay, 2021. http://www.theses.fr/2021UPASJ008.
Texte intégralThe atmospheric chemistry of halogenated species (Cl, Br, I) plays a role in the global chemical sink of tropospheric ozone, a greenhouse gas that is also the main source of hydroxyl radicals (OH). As a consequence, the chemistry of halogenated compounds can perturb OH, whose concentration reflects the oxidizing capacity of the troposphere, and can therefore influence the atmospheric lifetime of greenhouse gases such as methane. Despite this, tropospheric chemistry of halogen is rarely described in climate-chemistry models. The LMDz-INCA 3-D climate-chemistry model, which is part of the IPSL Earth system model, has been used throughout this thesis to understand and quantify the role of tropospheric halogenated compounds on the photooxidizing chemistry in natural atmospheres. First, the halogenated species, their emission sources and physical sinks, their chemistry were integrated into INCA. A one-year reference simulation was used to carry out an in depth model evaluation. Comparisons were made with compilations of in-situ observations of some halogenated species and with the results from similar models. The representation of this chemistry was shown to correctly simulate the impact of halogens on the photooxidizing system in the troposphere and in particular in the boundary layer. The changes affecting the tropospheric chemical system (Ox, HOx, NOx, CH4 and VOCs) were thus quantified. The chemistry of halogenated species was shown to decrease O3 burden by 22%, that of OH by 8% and that of NOx by 33%.Second, to better understand the effect on the oxidizing capacity, sensitivity tests, consisting of reducing independently the emissions or concentrations of ozone precursors, were carried out. They show that in the presence of the chemistry of halogenated compounds, O3 becomes more sensitive to perturbations in NOx, CH4 and VOC. On the other hand, the OH radical becomes more resilient to these changes since it becomes less dependent on O3 and more dependent on its other chemical sources, which include halogenated species. The comparison between pre-industrial and present-day simulations show that the sensitivity of the tropospheric ozone burden is ~20% lower when the chemistry of halogenated compounds is considered. In order to better understand the resilience of the OH radical to changes in emissions, the recycling probability of OH (r) was quantified. In a pre-industrial scenario, r increases by 12%, thus emphasizing the importance of considering the chemistry of halogens in exploring the oxidative chemistry of past atmospheres. For current conditions, r exceeds 60% on a global average, suggesting that a buffering effect on OH concentrations is occurring. Since changes in ozone burden and oxidative capacity between pre-industrial and present-day simulations are considerable, international exercises aiming at assessing the evolution of these species over the preindustrial, the present and the future periods should account for the role of tropospheric chemistry of halogenated compounds to better quantify the ozone radiative forcing
Impey, Gary A. « Photolyzable halogens in the Arctic troposphere ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0027/NQ39274.pdf.
Texte intégralEnami, Shinichi. « Halogen cycles in the stratosphere and troposphere ». 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/136139.
Texte intégralAllan, Beverley. « A spectroscopic study of radical chemistry in the troposphere ». Thesis, University of East Anglia, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266729.
Texte intégralSihler, Holger [Verfasser], et Ulrich [Akademischer Betreuer] Platt. « Halogen Activation in the Polar Troposphere / Holger Sihler ; Betreuer : Ulrich Platt ». Heidelberg : Universitätsbibliothek Heidelberg, 2012. http://d-nb.info/1179786041/34.
Texte intégralViswanathan, Balakrishnan. « Theoretical investigation of mercury reactions with halogen species in the Arctic troposphere ». Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33038.
Texte intégralCao, Le [Verfasser], et Eva [Akademischer Betreuer] Gutheil. « Numerical Investigation of Tropospheric Halogen Release and Ozone Depletion in the Polar Spring / Le Cao ; Betreuer : Eva Gutheil ». Heidelberg : Universitätsbibliothek Heidelberg, 2014. http://d-nb.info/1179924622/34.
Texte intégralLeather, Kimberley. « Tropospheric ozone and photochemical processing of hydrocarbons : laboratory based kinetic and product studies ». Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/tropospheric-ozone-and-photochemical-processing-of-hydrocarbons-laboratory-based-kinetic-and-product-studies(39b76a99-2358-4db2-be58-baa75d18efea).html.
Texte intégralLivres sur le sujet "Tropospheric halogens"
"HALOE algorithm improvements for upper tropospheric sounding" : Yearly progress report, NRA-97-MTPE-04. [Washington, DC : National Aeronautics and Space Administration, 1999.
Trouver le texte intégralChapitres de livres sur le sujet "Tropospheric halogens"
Molina, Mario J. « Chemical Interactions of Tropospheric Halogens on Snow/Ice ». Dans The Tropospheric Chemistry of Ozone in the Polar Regions, 273–79. Berlin, Heidelberg : Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_19.
Texte intégralLavigne, J. Allen, et Cooper H. Langford. « Liquid Phase Photochemistry in Relation to Tropospheric Chemistry of Halogens ». Dans The Tropospheric Chemistry of Ozone in the Polar Regions, 307–16. Berlin, Heidelberg : Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_22.
Texte intégralHanson, David R., et A. R. Ravishankara. « Reactions of Halogen Species on Ice Surfaces ». Dans The Tropospheric Chemistry of Ozone in the Polar Regions, 281–90. Berlin, Heidelberg : Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_20.
Texte intégralWine, P. H., J. M. Nicovich, R. E. Stickel, Z. Zhao, C. J. Shackelford, K. D. Kreutter, E. P. Daykin et S. Wang. « Halogen and Sulfur Reactions Relevant to Polar Chemistry ». Dans The Tropospheric Chemistry of Ozone in the Polar Regions, 385–95. Berlin, Heidelberg : Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_28.
Texte intégralSander, Stanley P., Scott L. Nickolaisen et Randall R. Friedl. « ClO + ClO → Products : A Case Study in Halogen Monoxide Disproportionation and Recombination Reactions ». Dans The Tropospheric Chemistry of Ozone in the Polar Regions, 337–49. Berlin, Heidelberg : Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_24.
Texte intégralPlatt, U. « Reactive Halogen Species in the Mid-Latitude Troposphere — Recent Discoveries ». Dans Environmental Challenges, 229–44. Dordrecht : Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4369-1_20.
Texte intégralPlatt, Ulrich. « The Impact of Halogen Chemistry on the Oxidation Capacity of the Troposphere ». Dans Global Atmospheric Change and its Impact on Regional Air Quality, 67–75. Dordrecht : Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0082-6_11.
Texte intégralvon Glasow, R., et P. J. Crutzen. « Tropospheric Halogen Chemistry ». Dans Treatise on Geochemistry, 1–67. Elsevier, 2003. http://dx.doi.org/10.1016/b0-08-043751-6/04141-4.
Texte intégralvon Glasow, R., et P. J. Crutzen. « Tropospheric Halogen Chemistry ». Dans Treatise on Geochemistry, 19–69. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-08-095975-7.00402-2.
Texte intégralCalvert, Jack G., John J. Orlando, William R. Stockwell et Timothy J. Wallington. « The Impact of Inorganic Trace Gases on Ozone in the Atmosphere ». Dans The Mechanisms of Reactions Influencing Atmospheric Ozone. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190233020.003.0010.
Texte intégralActes de conférences sur le sujet "Tropospheric halogens"
Cao, Le, et Eva Gutheil. « Modeling and Simulation of Tropospheric Ozone Depletion in the Polar Spring ». Dans ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-22045.
Texte intégralGunson, M. R., M. C. Abrams, C. B. Farmer, L. L. Lowes, C. P. Rinsland et R. Zander. « Results from the flight of the Atmospheric Trace Molecule Spectroscopy on the ATLAS-1 Space Shuttle Mission ». Dans Optical Remote Sensing of the Atmosphere. Washington, D.C. : Optica Publishing Group, 1993. http://dx.doi.org/10.1364/orsa.1993.ma.4.
Texte intégralRussell, J. M., L. L. Gordley, J. H. Park et S. R. Drayson. « HALOE Observations of Ozone, Halogen, Nitrogen, and Hydrogen Compounds Made from the UARS Platform ». Dans Optical Remote Sensing of the Atmosphere. Washington, D.C. : Optica Publishing Group, 1993. http://dx.doi.org/10.1364/orsa.1993.thd.3.
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