Abstract
Abstract This work studies the seasonal effects of the surface albedo change after a tropical deforestation and its influence on the seasonal pattern of precipitation in Amazonia. Results of the climate simulation study of Costa and Foley are used to represent the precipitation changes in a scenario where all tropical forest was replaced by pasture. The simulated forest and pasture albedo are compared to both the forest and pasture albedos observed during the Anglo-Brazilian Amazonian Climate Observation Study (ABRACOS) project. The surface albedo measurements provided verification that both forest and pasture albedo show seasonal variability, with the forest albedos higher in the dry period (June–November) and lower values in the rainy period (December–May), while the pasture albedo decreases in the dry season. Most of the characteristics of the observed differences in albedo are present in the simulated albedo too, which is in part due to the ability of the land surface parameterization to represent veg...
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