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INCT-TMCOcean_04_L

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INCT-TMCOcean_04_L

Figure 20. Seasonal changes in precipitation and wind power in the semi-arid NE coast of Brazil (top left). Residual dune ridges (cuspidate marks indicated with arrows) following dune displacement (bottom left). Time series of the Southern Oscillation Index (SOI)* and the corresponding displacement of sand dunes in Jericoacoara, CearĂ¡ State, NE Brazil (right). *SOI data were obtained from US NOAA.