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Simulation of the influence of historical land cover changes on the global climate

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Author(s): Y. Wang | X. Yan | Z. Wang

Journal: Annales Geophysicae
ISSN 0992-7689

Volume: 31;
Issue: 6;
Start page: 995;
Date: 2013;
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ABSTRACT
In order to estimate biogeophysical effects of historical land cover change on climate during last three centuries, a set of experiments with a climate system model of intermediate complexity (MPM-2) is performed. In response to historical deforestation, the model simulates a decrease in annual mean global temperature in the range of 0.07–0.14 °C based on different grassland albedos. The effect of land cover changes is most pronounced in the middle northern latitudes with maximum cooling reaching approximately 0.6 °C during northern summer. The cooling reaches 0.57 °C during northern spring owing to the large effects of land surface albedo. These results suggest that land cover forcing is important for study on historical climate change and that more research is necessary in the assessment of land management options for climate change mitigation.

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