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Competing roles of rising CO2 and climate change in the contemporary European carbon balance
Met Office Hadley Centre, Exeter, EX1 3PB, UK
Abstract. Natural ecosystems respond to, and may affect climate change through uptake and storage of atmospheric CO2. Here we use the land-surface and carbon cycle model JULES to simulate the contemporary European carbon balance and its sensitivity to rising CO2 and changes in climate. We find that the impact of climate change is to decrease the ability of Europe to store carbon by 97 TgC yr−1. In contrast, the effect of rising atmospheric CO2 has been to stimulate increased uptake and storage. The CO2 effect is currently dominant leading to a net increase of 114 TgC yr−1. Our simulations do not at present include other important factors such as land use and management, the effects of forest age classes and nitrogen deposition. Understanding this balance and its implications for mitigation policies is becoming increasingly important.
Final Revised Paper (PDF, 438 KB) Discussion Paper (BGD)
Citation: Harrison, R. G., Jones, C. D., and Hughes, J. K.: Competing roles of rising CO2 and climate change in the contemporary European carbon balance, Biogeosciences, 5, 1-10, 2008. Bibtex EndNote Reference Manager
