• Five Hundred Years of Hydrological Drought in the Upper Colorado River Basin 

      Timilsena, Janak; Piechota, Thomas C.; Hidalgo León, Hugo G.; Tootle, Glenn (2007-06)
      This article evaluates drought scenarios of the Upper Colorado River basin (UCRB) considering multiple drought variables for the past 500 years and positions the current drought in terms of the magnitude and frequency. ...