Journal cover Journal topic
Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
Atmos. Chem. Phys., 17, 3385-3399, 2017
http://www.atmos-chem-phys.net/17/3385/2017/
doi:10.5194/acp-17-3385-2017
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
09 Mar 2017
Interpreting the 13C  ∕ 12C ratio of carbon dioxide in an urban airshed in the Yangtze River Delta, China
Jiaping Xu et al.

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Short summary
The Yangtze River Delta is one of the most industrialized regions in China. In situ optical isotopic measurement in Nanjing, a city located in the Delta, showed unusually high atmospheric δ13C signals in the summer (−7.44 ‰, July 2013 mean), which we attributed to the influence of cement production in the region. Flux partitioning calculations revealed that natural ecosystems in the region were a negligibly small source of atmospheric CO2.
The Yangtze River Delta is one of the most industrialized regions in China. In situ optical...
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