Atmospheric chloromethane budget
نویسندگان
چکیده
New insight into the atmospheric chloromethane budget gained using stable carbon isotope ratios F. Keppler, D. B. Harper, T. Röckmann, R. M. Moore, and J. T. G. Hamilton School of Agriculture and Food Science, Queen’s University Belfast, Newforge Lane, Belfast BT9 5PX, UK Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany Department of Oceanography, Dalhousie University, Halifax, Novia Scotia, B3H 4J1, Canada Department of Agriculture and Rural Development for Northern Ireland, Newforge Lane, Belfast BT9 5PX, UK Received: 17 March 2005 – Accepted: 11 April 2005 – Published: 13 June 2005 Correspondence to: F. Keppler ([email protected]) © 2005 Author(s). This work is licensed under a Creative Commons License.
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Hydrogen and carbon isotope fractionation during degradation of chloromethane by methylotrophic bacteria
Chloromethane (CH3 Cl) is a widely studied volatile halocarbon involved in the destruction of ozone in the stratosphere. Nevertheless, its global budget still remains debated. Stable isotope analysis is a powerful tool to constrain fluxes of chloromethane between various environmental compartments which involve a multiplicity of sources and sinks, and both biotic and abiotic processes. In this ...
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Chloromethane (CH3Cl) is produced on earth by a variety of abiotic and biological processes. It is the most important halogenated trace gas in the atmosphere, where it contributes to ozone destruction. Current estimates of the global CH3Cl budget are uncertain and suggest that microorganisms might play a more important role in degrading atmospheric CH3Cl than previously thought. Its degradation...
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Atmospheric chloromethane (CH3Cl) plays an important role in stratospheric ozone destruction, but many uncertainties still exist regarding strengths of both sources and sinks and the processes leading to formation of this naturally occurring gas. Recent work has identified a novel chemical origin for CH3Cl, which can explain its production in a variety of terrestrial environments: the widesprea...
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