Abstract
Acquiring a mechanistic understanding of the role of biotic feedbacks for the links between atmospheric CO2 concentrations and temperature is essential for trustworthy climate predictions. Currently, computer-based simulations are the only available tool to estimate the global impact of biotic feedbacks on future atmospheric CO2 and temperatures. Here we propose an alternative and complementary approach by using materially closed, energetically open analogue/physical models of the carbon cycle. We argue that there is unexplored potential in using a materially closed approach to improve our understanding of the magnitude and direction of many biotic carbon feedbacks and that recent technological advances make this feasible. We also suggest how such systems could be designed and discuss the advantages and limitations of establishing physical models of the global carbon cycle.
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Acknowledgements
We thank all the participants to the Workshop on Closed Ecological Systems organised by the NERC Centre for Population Biology: Tim Benton, Mike Dixon, Larissa Hendrickx, Andreas Heinemeyer, Oscar Monje, Mark Nelson, Frieda B. Taub, Tyler Volk, Raymond M. Wheeler and Mathew Williams. Special thanks to David M. Wilkinson and Dennis Wildman for their comments on the manuscript.
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Milcu, A., Lukac, M. & Ineson, P. The role of closed ecological systems in carbon cycle modelling. Climatic Change 112, 709–716 (2012). https://doi.org/10.1007/s10584-011-0234-2
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DOI: https://doi.org/10.1007/s10584-011-0234-2