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New contributions o...
New contributions of measurements in Europe to the global inventory of the stable isotopic composition of methane
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- Menoud, Malika (författare)
- Institute for Marine and Atmospheric Research, Utrecht
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- Van Der Veen, Carina (författare)
- Institute for Marine and Atmospheric Research, Utrecht
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- Lowry, Dave (författare)
- Royal Holloway University of London
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- Fernandez, Julianne M. (författare)
- Royal Holloway University of London
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- Bakkaloglu, Semra (författare)
- Imperial College London,Royal Holloway University of London
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- France, James L. (författare)
- Royal Holloway University of London
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- Fisher, Rebecca E. (författare)
- Royal Holloway University of London
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- Maazallahi, Hossein (författare)
- Institute for Marine and Atmospheric Research, Utrecht
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- Stanisavljević, Mila (författare)
- AGH University of Science and Technology
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- Nȩcki, Jarosław (författare)
- AGH University of Science and Technology
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- Vinkovic, Katarina (författare)
- University of Groningen
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- Łakomiec, Patryk (författare)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science
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- Rinne, Janne (författare)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,ICOS Sweden,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,Natural Resources Institute Finland (Luke)
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- Korbeń, Piotr (författare)
- Heidelberg University
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- Schmidt, Martina (författare)
- Heidelberg University
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- Defratyka, Sara (författare)
- University of Paris-Saclay
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- Yver-Kwok, Camille (författare)
- University of Paris-Saclay
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- Andersen, Truls (författare)
- University of Groningen
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- Chen, Huilin (författare)
- University of Groningen
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- Röckmann, Thomas (författare)
- Institute for Marine and Atmospheric Research, Utrecht
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(creator_code:org_t)
- 2022-09-23
- 2022
- Engelska 22 s.
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Ingår i: Earth System Science Data. - : Copernicus GmbH. - 1866-3508 .- 1866-3516. ; 14:9, s. 4365-4386
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.5...
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Abstract
Ämnesord
Stäng
- Recent climate change mitigation strategies rely on the reduction of methane (CH4) emissions. Carbon and hydrogen isotope ratio (δ13CCH4 and δ2HCH4) measurements can be used to distinguish sources and thus to understand the CH4 budget better. The CH4 emission estimates by models are sensitive to the isotopic signatures assigned to each source category, so it is important to provide representative estimates of the different CH4 source isotopic signatures worldwide. We present new measurements of isotope signatures of various, mainly anthropogenic, CH4 sources in Europe, which represent a substantial contribution to the global dataset of source isotopic measurements from the literature, especially for δ2HCH4. They improve the definition of δ13CCH4 from waste sources, and demonstrate the use of δ2HCH4 for fossil fuel source attribution. We combined our new measurements with the last published database of CH4 isotopic signatures and with additional literature, and present a new global database. We found that microbial sources are generally well characterised. The large variability in fossil fuel isotopic compositions requires particular care in the choice of weighting criteria for the calculation of a representative global value. The global dataset could be further improved by measurements from African, South American, and Asian countries, and more measurements from pyrogenic sources. We improved the source characterisation of CH4 emissions using stable isotopes and associated uncertainty, to be used in top-down studies. We emphasise that an appropriate use of the database requires the analysis of specific parameters in relation to source type and the region of interest. The final version of the European CH4 isotope database coupled with a global inventory of fossil and non-fossil δ13CCH4 and δ2HCH4 source signature measurements is available at 10.24416/UU01-YP43IN .
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Menoud, Malika
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Van Der Veen, Ca ...
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Lowry, Dave
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Fernandez, Julia ...
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Bakkaloglu, Semr ...
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France, James L.
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visa fler...
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Fisher, Rebecca ...
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Maazallahi, Hoss ...
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Stanisavljević, ...
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Nȩcki, Jarosław
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Vinkovic, Katari ...
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Łakomiec, Patryk
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Rinne, Janne
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Korbeń, Piotr
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Schmidt, Martina
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Defratyka, Sara
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Yver-Kwok, Camil ...
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Andersen, Truls
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Chen, Huilin
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Röckmann, Thomas
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