Výsledky vyhledávání - "Johannes C Laube"

Global increase of ozone-depleting chlorofluorocarbons from 2010 to 2020

Autor: Luke M. Western, Martin K. Vollmer, Paul B. Krummel, Karina E. Adcock, Molly Crotwell, Paul J. Fraser, Christina M. Harth, Ray L. Langenfelds, Stephen A. Montzka, Jens Mühle, Simon O’Doherty, David E. Oram, Stefan Reimann, Matt Rigby, Isaac Vimont, Ray F. Weiss, Dickon Young, Johannes C. Laube

Publikováno v: Western, L M, Vollmer, M K, Krummel, P B, Adcock, K E, Fraser, P J, Harth, C M, Langenfelds, R L, Montzka, S A, Mühle, J, O'Doherty, S, Oram, D E, Reimann, S, Rigby, M L, Vimont, I, Weiss, R F, Young, T D S & C. Laube, J 2023, ' Global increase of ozone-depleting chlorofluorocarbons from 2010 to 2020 ', Nature Geoscience, vol. 16, no. 4, pp. 309-313 . https://doi.org/10.1038/s41561-023-01147-w

The production of chlorofluorocarbons (CFCs) that would ultimately be released to the atmosphere was banned globally in 2010 under the Montreal Protocol. Here we use measurements combined with an atmospheric transport model to show how atmospheric ab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3f28b7414bbd75532b3efa75a940390
https://doi.org/10.1038/s41561-023-01147-w

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Akademický článek

Infrared Absorption Spectra, Radiative Efficiencies, and Global Warming Potentials of Newly-Detected Halogenated Compounds: CFC-113a, CFC-112 and HCFC-133a

Autor: Maryam Etminan, Eleanor J. Highwood, Johannes C. Laube, Robert McPheat, George Marston, Keith P. Shine, Kevin M. Smith

Publikováno v: Atmosphere, Vol 5, Iss 3, Pp 473-483 (2014)

CFC-113a (CF3CCl3), CFC-112 (CFCl2CFCl2) and HCFC-133a (CF3CH2Cl) are three newly detected molecules in the atmosphere that are almost certainly emitted as a result of human activity. It is important to characterise the possible contribution of these

Externí odkaz: https://doaj.org/article/16434abcc8d94397aae4b47091bfb5e3

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Akademický článek

Atmospheric Abundances, Trends and Emissions of CFC-216ba, CFC-216ca and HCFC-225ca

Autor: Corinna Kloss, Mike J. Newland, David E. Oram, Paul J. Fraser, Carl A. M. Brenninkmeijer, Thomas Röckmann, Johannes C. Laube

Publikováno v: Atmosphere, Vol 5, Iss 2, Pp 420-434 (2014)

The first observations of the feedstocks, CFC-216ba (1,2-dichlorohexafluoropropane) and CFC-216ca (1,3-dichlorohexafluoropropane), as well as the CFC substitute HCFC-225ca (3,3-dichloro-1,1,1,2,2-pentafluoropropane), are reported in air samples colle

Externí odkaz: https://doaj.org/article/a7c7331f4e6e47618b8dd6ebe6c7538a

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First flight of the mid-infrared limb-imaging interferometer GLORIA on a stratospheric balloon

Autor: Michael Höpfner, Gerald Wetzel, Felix Friedl-Vallon, Thomas Gulde, Anne Kleinert, Erik Kretschmer, Johannes C. Laube, Guido Maucher, Tom Neubert, Hans Nordmeyer, Christof Piesch, Peter Preusse, Jörn Ungermann

GLORIA (Gimballed Limb Observer for Radiance Imaging of the Atmosphere) is a limb-imaging Fourier-Transform spectrometer (iFTS) providing radiances of the thermal infrared emission of atmospheric species. The nominal wavelength range is from 780 to14

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a109c098b455ade37bc452713daa56cd
https://doi.org/10.5194/egusphere-egu22-5557

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Investigating stratospheric circulation and chemistry changes over three decades with trace gas data from aircraft, large balloons, and AirCores

Autor: Max Thomas, Jan Kaiser, Andrew J. Hind, William T. Sturges, Karina E. Adcock, Emma Leedham Elvidge, Felix Plöger, Elise S. Droste, Pauli Heikkinen, Thomas Röckmann, Rigel Kivi, Elinor Tuffnell, Elliot Atlas, Johannes C. Laube

Publikováno v: EGU General Assembly, virtuell, virtuell, 2021-04-19-2021-04-30

Laube et al. (2020) investigated stratospheric changes between 2009 and 2018 with halogenated trace gas data (CFC-11, CFC-12, H-1211, H-1301, HCFC-22, and SF6) from air samples collected via aircraft and AirCores, and compared the mixing ratios and a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff4fb3d825ba62ccd4abce89738985a9
https://hdl.handle.net/1874/420143

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New Fractional Release Factors, Ozone Depletion Potentials, and Lifetimes for Four Long-Lived CFCs: CFC-13, CFC-114, CFC-114a, and CFC-115

Autor: Bill Sturges, Johannes C. Laube, Thomas Roeckmann, Ray L. Langenfelds, Elinor Tuffnell, Karina E. Adcock, Eric L. Fleming, Qing Liang, Paul B. Krummel, Emma Leedham Elvidge, D. Oram, Paul J. Fraser

Publikováno v: EGU General Assembly, virtuell, Austria, 2021-04-19-2021-04-30

Knowing the stratospheric lifetime of an Ozone Depleting Substance (ODS), and its potential depletion of ozone during that time, is vital to reliably monitor and control the use of ODSs. Here, we present improved policy-relevant parameters: Fractiona

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d79aa389dc10fc2a5f333247d734599
https://doi.org/10.5194/egusphere-egu21-4995

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