Articles | Volume 21, issue 13
Atmos. Chem. Phys., 21, 10015–10037, 2021
https://doi.org/10.5194/acp-21-10015-2021
Atmos. Chem. Phys., 21, 10015–10037, 2021
https://doi.org/10.5194/acp-21-10015-2021

Research article 06 Jul 2021

Research article | 06 Jul 2021

Anthropogenic and natural controls on atmospheric δ13C-CO2 variations in the Yangtze River delta: insights from a carbon isotope modeling framework

Cheng Hu et al.

Data sets

Carbon dioxide concentration and 13C measurement in Nanjing (2013–2015) Jiaping Xu and Xuhui Lee https://yncenter.sites.yale.edu/data-access

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Short summary
Seventy percent of global CO2 emissions were emitted from urban landscapes. The Yangtze River delta (YRD) ranks as one of the most densely populated regions in the world and is an anthropogenic CO2 hotspot. Besides anthropogenic factors, natural ecosystems and croplands act as significant CO2 sinks and sources. Independent quantification of the fossil and cement CO2 emission and assessment of their impact on atmospheric δ13C-CO2 have potential to improve our understanding of urban CO2 cycling.
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