Land use change and carbon exchange in the tropics: III. Structure,basic equations,and sensitivity analysis of the model |
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| Authors: | Philip Bogdonoff R P Detwiler Charles A S Hall |
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| Institution: | (1) Present address: Program on Non-Violent Sanctions, Harvard University, 605 Gund Hall, 02138 Cambridge, MA, USA;(2) Present address: University of Montana Biological Station, 59911 Big Fork, MT, USA;(3) Ecology and Systematics, Cornell University, 14853 Ithaca, New York, USA |
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| Abstract: | The rationale, assumptions, structure and basic mathematical functions of the model used to produce the simulation results reported in the first two articles of this series are described in detail. Sensitivity analysis indicates that the most important parameters in the model, and, presumably, in the carbon exchange between tropical forests and the atmosphere, are: (a) the conversion rate of forests to permanent pasture and agriculture, (b) the changes that are occurring and have occurred in the shifting cultivation system, and (c) the fate of cleared vegetation. Although it is not possible to validate the model against direct measurements of carbon exchange, the model has been proven robust when subject to a series of explicit analyses and comparisons with other assessments. |
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| Keywords: | Carbon exchange Computer calculation Land use change Sensitivity analysis |
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