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Combined Biogeophysical and Biogeochemical Effects of Large-Scale Forest Cover Changes in the MPI Earth System Model

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Type: Journal Article
Author: Bathiany, S.; Claussen, M.; Brovkin, V.; Raddatz, T.; Gayler, V.
Journal: Biogeosciences Discussions
Volume: 7
Page(s): 387–428
Date: 2010
URI: https://hdl.handle.net/10535/6847
Sector: Forestry
Subject(s): afforestation
carbon sequestration
climate change
Abstract: "Afforestation and reforestation have become popular instruments of climate mitigation policy, as forests are known to store large quantities of carbon. However, they also modify the fluxes of energy, water and momentum at the land surface. Previous studies have shown that these biogeophysical effects can counteract the carbon drawdown and, in boreal latitudes, even overcompensate it due to large albedo differences between forest canopy and snow. This study investigates the role forest cover plays for global climate by conducting deforestation and afforestation experiments with the earth system model of the Max Planck Institute for Meteorology (MPI-ESM). Complete deforestation of the tropics (18.75 S–15 N) exerts a global warming of 0.4 C due to an increase in CO2 concentration by initially 60 ppm and a decrease in evapotranspiration in the deforested areas."

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