A Recent Increase in Western U . S . Streamflow Variability and Persistence

  title={A Recent Increase in Western U . S . Streamflow Variability and Persistence},
  author={Thomas S. Pagano and DAVID GAREN},
April–September streamflow volume data from 141 unregulated basins in the western United States were analyzed for trends in year-to-year variability and persistence. Decadal time-scale changes in streamflow variability and lag-1-yr autocorrelation (persistence) were observed. The significance of the variability trends was tested using a jackknife procedure involving the random resampling of seasonal flows from the historical record. The 1930s–50s was a period of low variability and high… CONTINUE READING
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