Table 1.

Changes in global temperature and Amazonian precipitation in simulations with and without biogeophysical and carbon cycle feedbacks.

	prescribed CO2 rise, fixed vegetation	prescribed CO2 rise, interactive vegetation exerting biophysical feedbacks	fully interactive carbon cycle
atmospheric CO2 at 2080s	713	713	980
global mean temperature change by 2080s relative to pre-industrial era (°C)	4.0	4.0	5.5
Amazonian precipitation change by 2080s relative to pre-industrial era (mm d−1)	−1.9	−2.4	−3.0