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A New Normal For Streamflow In California In A Warming Climate: Wetter Wet Seasons And Drier Dry Seasons, Iman Mallakpour, Mojtaba Sadegh, Amir Aghakouchak
A New Normal For Streamflow In California In A Warming Climate: Wetter Wet Seasons And Drier Dry Seasons, Iman Mallakpour, Mojtaba Sadegh, Amir Aghakouchak
Civil Engineering Faculty Publications and Presentations
In this study, we investigate changes in future streamflows in California using bias-corrected and routed streamflows derived from global climate model (GCM) simulations under representative concentration pathways (RCPs): RCP4.5 and RCP8.5. Unlike previous studies that have focused mainly on the mean streamflow, annual maxima or seasonality, we focus on projected changes across the distribution of streamflow and the underlying causes. We report opposing trends in the two tails of the future streamflow simulations: lower low flows and higher high flows with no change in the overall mean of future flows relative to the historical baseline (statistically significant at 0.05 level). …