Articles | Volume 18, issue 14
Atmos. Chem. Phys., 18, 10333–10345, 2018
https://doi.org/10.5194/acp-18-10333-2018

Special issue: The 10th International Carbon Dioxide Conference (ICDC10)...

Atmos. Chem. Phys., 18, 10333–10345, 2018
https://doi.org/10.5194/acp-18-10333-2018

Research article 19 Jul 2018

Research article | 19 Jul 2018

Contrasting interannual atmospheric CO2 variabilities and their terrestrial mechanisms for two types of El Niños

Jun Wang et al.

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Short summary
Based on the Mauna Loa CO2 records and TRENDY multi-model historical simulations, we investigate the different impacts of EP and CP El Niños on interannual carbon cycle variability. Composite analysis indicates that the evolutions of CO2 growth rate anomalies have three clear differences in terms of precursors (negative and neutral), amplitudes (strong and weak), and durations of peak (Dec–Apr and Oct–Jan) during EP and CP El Niños, respectively. We further discuss their terrestrial mechanisms.
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