Articles | Volume 15, issue 21
Research article
07 Nov 2018
Research article |  | 07 Nov 2018

Ecosystem carbon transit versus turnover times in response to climate warming and rising atmospheric CO2 concentration

Xingjie Lu, Ying-Ping Wang, Yiqi Luo, and Lifen Jiang

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Cited articles

Bolin, B. and Rodhe, H.: A note on Concepts of Age Distribution and Transit-Time in Natural Reservoirs, Tellus, 25, 58–62, 1973.
Campbell, B. D., Stafford Smith, D. M., and McKeon, G. M.: Elevated CO2 and water supply interactions in grasslands: A pastures and rangelands management perspective, Global Change Biol., 3, 177–187, 1997.
Carvalhais, N., Forkel, M., Khomik, M., Bellarby, J., Jung, M., Migliavacca, M., Mu, M. Q., Saatchi, S., Santoro, M., Thurner, M., Weber, U., Ahrens, B., Beer, C., Cescatti, A., Randerson, J. T., and Reichstein, M.: Global covariation of carbon turnover times with climate in terrestrial ecosystems, Nature, 514, 213–217,, 2014.
Chen, S. T., Huang, Y., Zou, J. W., and Shi, Y. S.: Mean residence time of global topsoil organic carbon depends on temperature, precipitation and soil nitrogen, Global Planet. Change, 100, 99–108, 2013.
Cox, P. M., Betts, R. A., Collins, M., Harris, P. P., Huntingford, C., and Jones, C. D.: Amazonian forest dieback under climate-carbon cycle projections for the 21st century, Theor. Appl. Climatol., 78, 137–156, 2004.
Short summary
How long does C cycle through terrestrial ecosystems is a critical question for understanding land C sequestration capacity under future rising atmosphere [CO2] and climate warming. Under climate change, previous conventional concepts with a steady-state assumption will no longer be suitable for a non-steady state. Our results using the new concept, C transit time, suggest more significant responses in terrestrial C cycle under rising [CO2] and climate warming.
Final-revised paper