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Interlaboratory comparison of [delta]13C and [delta]D measurements of atmospheric CH4 for combined use of data sets from different laboratories

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We report results from a worldwide interlaboratory comparison of samples among laboratories that measure (or measured) stable carbon and hydrogen isotope ratios of atmospheric CH4 (δ¹³C-CH4 and δD-CH4). The offsets among the laboratories are larger than the measurement reproducibility of individual...

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Bibliographic Details
Main Authors: Umezawa, Taku (Author) , Veidt, Cordelia (Author) , Levin, Ingeborg (Author)
Format: Article (Journal)
Language:English
Published: 2 March 2018
In: Atmospheric measurement techniques
Year: 2018, Volume: 11, Pages: 1207-1231
ISSN:1867-8548
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Author Notes:Taku Umezawa, Carl Brenninkmeijer, Thomas Röckmann, Carina Veen, Stanley Tyler, Ryo Fujita, Shinji Morimoto, Shuji Aoki, Todd Sowers, Jochen Schmitt, Michael Bock, Jonas Beck, Hubertus Fischer, Sylvia Michel, Bruce Vaughn, John Miller, James White, Gordon Brailsford, Hinrich Schaefer, Peter Sperlich, Willi A. Brand, Michael Rothe, Thomas Blunier, David Lowry, Rebecca E. Fisher, Euan G. Nisbet, Andrew L. Rice, Peter Bergamaschi, Cordelia Veidt, and Ingeborg Levin
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Evaluation of 4 years of continuous [delta] 13 C(CO 2) data using a moving Keeling plot method by Vardag, Sanam Noreen (Author) , Hammer, Samuel (Author) , Levin, Ingeborg (Author) ,


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First continuous measurements of δ18O-CO2 in air with a Fourier transform infrared spectrometer by Vardag, Sanam Noreen (Author) , Hammer, Samuel (Author) , Sabasch, Michael (Author) , Levin, Ingeborg (Author) ,


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