Abstract
This paper analyzes decadal climate phenomena and the phases of the Atlantic Multi-Decadal Oscillation (AMO) and Pacific Decadal Oscillation (PDO), and assesses the climate-water-energy nexus at the reservoir system of the São Francisco River Basin (SFRB), Brazil. This study brings a non-traditional approach focused on the link between climatic patterns and hydrological processes, and their social-economic consequences, such as energy production. The methodology used data of the precipitation, natural streamflow, AMO and PDO series. These variables were evaluated by Wavelet Transform Analysis (WTA), Flow Duration Curve (FDC), streamflow that is equaled or exceeded 90% of the time (Q90), the Reliability Index (RI) for different demands and the hydropower generated. The results suggest that the WTA for the SFRB was more significant on the interannual scale, and the period with opposite phases of AMO(-) and PDO(+) showed the highest values of FDC, Q90, RI, and hydropower generated simulated for the SFRB.
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