carbonyl sulfide
Unveiling stomata 24/7: can we use carbonyl sulfide (COS) and oxygen isotopes (18O) to constrain estimates of nocturnal transpiration across didfferent evolutionary plant forms?
... (1) INRA, UMR 1391, France (teresa.gimeno@bordeaux.inra.fr), (2) Laboratoire d’Ecophysiologie Moléculaire des Plantes, UMR 7265 CNRS-CEA, Aix-Marseille Université, CEA Cadarache, 13108 St Paul-lez-Durance, France ...
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Using NDACC column measurements of carbonyl sulfide to estimate its sources and sinks
... of carbonyl sulfide to estimate its sources and sinks Yuting Wang (1), Julia Marshall (2), Mathias Palm (1), Nicholas Deutscher (1,3), Christian Roedenbeck (2), Thorsten Warneke (1), Justus Notholt (1), Ian ...
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Trend evolution and seasonal variation of tropospheric and stratospheric carbonyl sulfide (OCS) above Jungfraujoch
... UK Carbonyl sulfide (OCS) is the most abundant sulfur-containing trace gas in the atmosphere and accounts for a substantial portion of the sulfur in the stratospheric aerosol layer which influences the ...
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Towards understanding the variability in biospheric CO2 fluxes: using FTIR spectrometry and a chemical transport model to investigate the sources and sinks of carbonyl sulfide and its link to CO2
... Whelan, M. E., Min, D. H., and Rhew, R. C.: Salt marsh vegetation as a carbonyl sulfide (COS) source to the atmosphere, Atmos. Environ., 73, 131–137, 2013. Wofsy, S. C., Daube, B. C., Jimenez, R., Kort, E., ...
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The flux of carbonyl sulfide and carbon disulfide between the atmosphere and a spruce forest
... of carbonyl sulfide (COS) makes it the major source of the stratospheric background aerosol (Crutzen, 1976; Engel and Schmidt, 1994), which plays a role in the Earth’s radiation budget and in heterogeneous ...
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Tropospheric and Stratospheric Carbonyl Sulfide (OCS): long-term trends and seasonal Cycles above the Jungfraujoch Station.
... Introduction Carbonyl sulfide is the most abundant sulfur bearing gas in the background troposphere with an average mixing ratio of about 500 pptv. It is released to the atmosphere by both natural and ...
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Trend evolution of carbonyl sulfide above Jungfraujoch deduced from ground-based FTIR and ACE-FTS satellite observations
... • Carbonyl sulfide (OCS) is the most abundant sulfur-containing trace gas in the atmosphere. • Mean (free) tropospheric concentration of 465 pptv (using the HITRAN 2008 line intensities). • Tropospheric ...
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A top-down approach of surface carbonyl sulfide exchange by a Mediterranean oak forest ecosystem in southern France
... The role that soil, foliage, and atmospheric dy- namics have on surface carbonyl sulfide (OCS) exchange in a Mediterranean forest ecosystem in southern France (the Oak Observatory at the[r] ...
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A new model for the global biogeochemical cycle of carbonyl sulfide – Part 1: Assessment of direct marine emissions with an oceanic general circulation and biogeochemistry model
... the surface waters and above the Pacific Ocean, J. Geophys. Res.- Oc. Atmos., 91, 7883–7888, 1986. Kamyshny, A., Goifman, A., Rizkov, D., and Lev, O.: Formation of carbonyl sulfide by the reaction of carbon ...
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A top-down approach of sources and non-photosynthetic sinks of carbonyl sulfide from atmospheric measurements over multiple years in the Paris region (France)
... ☯ These authors contributed equally to this work. * sauveur.belviso@lsce.ipsl.fr Abstract Carbonyl sulfide (COS) has been proposed as a proxy for carbon dioxide (CO 2 ) taken up by plants at the leaf and ...
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Positive trends in Southern Hemisphere carbonyl sulfide
... 1. Introduction Carbonyl sul fide (OCS) is the longest-lived reduced sulfur gas in the atmosphere. The primary source of OCS is the ocean, which is both a direct source (through OCS emission) and an indirect source ...
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Trend evolution of Carbonyl Sulfide above Jungfraujoch
... SERIE TEMPORELLE POUR OCS AU-DESSUS DU JUNGFRAUJOCH à partir des mesures FTIR. • GIRPAS • FTIR/Joch • OCS • OCS tropo • OCS strato • Next.[r] ...
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A new model of the global biogeochemical cycle of carbonyl sulfide – Part 2: Use of carbonyl sulfide to constrain gross primary productivity in current vegetation models
... The dashed lines represent the smoothed seasonal cycles of the OCS (left column) and CO 2 (right column) monthly mean mixing ratios when only the contribution of the leaf OCS uptake (or [r] ...
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Reviews and syntheses: Carbonyl sulfide as a multi-scale tracer for carbon and water cycles
... Land surface models that placed the largest GPP in the Up- per Midwest of the United States produced OCS plant fluxes that matched aircraft observations well for all estimates of OCS soi[r] ...
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Catalytic generation and use of ketyl radical from unactivated aliphatic carbonyl compounds
... unactivated carbonyl com- pounds and the p-terphenyl catalyst can be attributed to the protic conditions of our ...of carbonyl compounds in protic media occurs at less negative potentials than in aprotic ...
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Measurements of carbonyl compounds around the Arabian Peninsula: overview and model comparison
... atmospheric carbonyl compounds besides formaldehyde are acetaldehyde and ...low-molecular-weight carbonyl compounds (Kieber et ...other carbonyl compounds), it is informative to analyse a dataset of ...
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Catalytic Asymmetric γ-Alkylation of Carbonyl Compounds via Stereoconvergent Suzuki Cross-Couplings
... (12) In conclusion, we have developed a method for the catalytic enantioselective γ- (and δ-) alkylation of carbonyl compounds through the cross-coupling of γ-haloamides with alkylboranes. With regard to the ...
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Automatic mechanism generation for pyrolysis of di-tert-butyl sulfide
... di-tert-butyl sulfide, as the previous experimental work showed that the sulfide decomposed via first- order kinetics in the presence and absence of the radical ...
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Photocatalyzed Sulfide Oxygenation with Water as the Unique Oxygen Atom Source
... recently by us in terms of both the stability and the catalytic efficiency during sulfide oxygenation in the same conditions. This can be attributed to the relative structural homology between both dyads. More ...
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Comparison of global climatological maps of sea surface dimethyl sulfide
... 1. Introduction [ 2 ] Recent modeling studies suggest that dimethyl sulfide (DMS) and its atmospheric degradation products help regulate climate through two separate effects. First, these compounds influence cloud ...
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