Deep-rooted vegetation, Amazonian deforestation, and climate: results from a modelling study

摘要: the use of calculated deep roots substantially The depth root system controls maximum improves seasonal characteristics GCM. amount soil water that can be transpired by Three additional simulations are then conducted in vegetation into atmosphere during dry periods. order to isolate eVect rooting reduction Water uptake from layers has been found other parameter changes associated with largeto contribute significantly season scale deforestation. Most climatic eVects transpiration at some sites Amazonia and it occur attributed estimated large parts evergreen depth. Dry periods forests depend on survive last longer, being more intense drier season. Thus, presence warmer air, while wet remains fairly might provide a significant source atmospheric unchanged. implications these moisture season, one which for re-establishment natural forest discussed. would aVected We investigate role deep-rooted its removal Key words. Rooting depth, albedo, context Amazonian deforestation using an atmosphere‐biosphere interaction, General Circulation Model (GCM). A deforestation, land change, response, recovery, model simulations. distribution is obtained numerical