The regional response of hydrological regimes to global climate change and variability was investigated. In South America, it was found that the impact of increased precipitation on the flows in the Taquari River to be much larger than the effect of land-use changes. In Asia, the aerosol optical thickness (AOT) was found to have increased in the period between 2000 and 2004, reducing solar radiation reaching the land surface and decreasing photosynthetic activity. A possible climate change impacts on ater resources availability in a semiarid watershed in Northeast Brazil was assessed through a large-scale integrated modeling approach.
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|Published - 2 May 2005