The substitution of high-resolution terrestrial biosphere models and carbon 
sequestration in response to changing CO2 and climate

Meyer, R.; Joos, F.; Esser, G.; Heimann, M.; Hooss, G.; Kohlmaier, G.; Sauf, W.; Voss, R.; Wittenberg, U.

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The substitution of high-resolution terrestrial biosphere models and carbon sequestration in response to changing CO₂ and climate

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Heimann, M.
Department Biogeochemical Systems, Prof. M. Heimann, Max Planck Institute for Biogeochemistry, Max Planck Society;

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http://dx.doi.org/10.1029/1999GB900035
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引用

Meyer, R., Joos, F., Esser, G., Heimann, M., Hooss, G., Kohlmaier, G., Sauf, W., Voss, R., & Wittenberg, U. (1999). The substitution of high-resolution terrestrial biosphere models and carbon sequestration in response to changing CO₂ and climate. Global Biogeochemical Cycles, 13(3), 785-802.

引用: https://hdl.handle.net/11858/00-001M-0000-000E-CBF9-F

要旨

Strategies are developed to analyze and represent spatially resolved biosphere models for carbon sequestration in response to changes in atmospheric CO₂ and climate by reduced-form, substitute models. We explore the High-Resolution Terrestrial Biosphere Model as implemented in the Community Terrestrial Biosphere Model (HRBM/CTBM), the Frankfurt Biosphere Model (FBM), and the box-type biosphere of the Bern model. Storage by CO₂ fertilization is described by combining analytical representations of (1) net primary productivity (NPP) as a function of atmospheric CO₂ and (2) a decay impulse response function to characterize the timescales of biospheric carbon turnover. Storage in response to global warming is investigated for the HRBM/CTBM. The relation between the evolution of radiative forcing and climate change is expressed by a combination of impulse response functions and empirical orthogonal functions extracted from results of the European Center/Hamburg (ECHAM3) coupled atmosphere-ocean general circulation model. A box-type, differential-analogue substitute model is developed to represent global carbon storage of the HRBM/CTBM in response to regional changes in Temperature, Precipitation and cloud cover. The substitute models represent the spatially resolved models accurately and cost-efficiently for carbon sequestration in response to changes in CO₂ or in CO₂ and climate and for simulations of the global isotopic signals. Deviations in carbon uptake simulated by the spatially resolved models and their substitutes are less than a few percent. [References: 65]