During the same time period local precipitation decreased only 7% per decade (70 mm.decade −1 ) while the P-PET presents a decreasing trend of 18% (125 mm.decade −1 ), indicating that evapotranspiration changes represent an important component of the current drought.
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Modern anthropogenic drought in Central Brazil unprecedented during last 700 years.
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Furthermore, a strong trend towards aridification over central–eastern South America after 2010 is also consistent with model projections that point to a severe decrease in soil moisture, even under the moderate RCP 4.5 emission scenario, as a consequence of increased evapotranspiration 3 , 5 , 36 .