Mid-Holocene European climate revisited: New high-resolution regional climate model simulations using pollen-based land-cover
Quaternary Science Reviews(2022)
摘要
Land-cover changes have a clear impact on local climates via biophysical effects. European land cover has been affected by human activities for at least 6000 years, but possibly longer. It is thus highly probable that humans altered climate before the industrial revolution (AD1750–1850). In this study, climate and vegetation 6000 years (6 ka) ago is investigated using one global climate model, two regional climate models, one dynamical vegetation model, pollen-based reconstruction of past vegetation cover using a model of the pollen-vegetation relationship and a statistical model for spatial interpolation of the reconstructed land cover. This approach enables us to study 6 ka climate with potential natural and reconstructed land cover, and to determine how differences in land cover impact upon simulated climate. The use of two regional climate models enables us to discuss the robustness of the results. This is the first experiment with two regional climate models of simulated palaeo-climate based on regional climate models.
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关键词
Paleoclimate,Global climate model,Dynamical vegetation model,Vegetation reconstruction,Spatial statistical models,Land-use and land-cover change,REVEALS,LPJ-GUESS,EC-Earth,RCA4,HCLIM
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