作者: P. J. Sellers , L. Bounoua , G. J. Collatz , D. A. Randall , D. A. Dazlich
DOI: 10.1126/SCIENCE.271.5254.1402
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摘要: The physiological response of terrestrial vegetation when directly exposed to an increase in atmospheric carbon dioxide (CO 2 ) concentration could result warming over the continents addition that due conventional CO “greenhouse effect.” Results from a coupled biosphere-atmosphere model (SiB2-GCM) indicate that, for doubled conditions, evapotranspiration will drop and air temperature tropical continents, amplifying changes resulting radiative effects. range responses surface uptake increased are projected be inversely related tropics year-round during growing season elsewhere.