Now showing items 1-5 of 5

    • Attribution of Declining Western U.S. Snowpack to Human Effects 

      Pierce, David W.; Barnett, Tim P.; Hidalgo León, Hugo G.; Das, Tapash; Bonfils, Céline; Santer, Benjamin D.; Bala, Govindasamy; Dettinger, Michael D.; Cayan, Daniel R.; Mirin, Arthur A.; Wood, Andrew W.; Nozawa, Toru (2008-12-01)
      Observations show snowpack has declined across much of the western United States over the period 1950–99. This reduction has important social and economic implications, as water retained in the snowpack from winter storms ...
    • Detection and Attribution of Streamflow Timing Changes to Climate Change in the Western United States 

      Hidalgo León, Hugo G.; Das, Tapash; Dettinger, Michael D.; Cayan, Daniel R.; Pierce, David W.; Barnett, Tim P.; Bala, Govindasamy; Mirin, Arthur A.; Wood, Andrew W.; Bonfils, Céline; Santer, Benjamin D.; Nozawa, Toru (2009-07)
      This article applies formal detection and attribution techniques to investigate the nature of observed shifts in the timing of streamflow in the western United States. Previous studies have shown that the snow hydrology ...
    • Detection and Attribution of Temperature Changes in the Mountainous Western United States 

      Bonfils, Céline; Pierce, David W.; Hidalgo León, Hugo G.; Bala, Govindasamy; Das, Tapash; Cayan, Daniel R.; Doutriaux, Charles; Wood, Andrew W.; Nozawa, Toru; Barnett, Tim P.; Santer, Benjamin D.; Mirin, Arthur A. (2008-04-22)
      Large changes in the hydrology of the western United States have been observed since the mid-twentieth century. These include a reduction in the amount of precipitation arriving as snow, a decline in snowpack at low and ...
    • Human-Induced Changes in the Hydrology of the Western United States 

      Barnett, Tim P.; Pierce, David W.; Hidalgo León, Hugo G.; Bonfils, Céline; Santer, Benjamin D.; Das, Tapash; Bala, Govindasamy; Wood, Andrew W.; Nozawa, Toru; Mirin, Arthur A.; Cayan, Daniel R.; Dettinger, Michael D. (2008-02-22)
      Observations have shown that the hydrological cycle of the western United States changed significantly over the last half of the 20th century. We present a regional, multivariable climate change detection and attribution ...
    • Structure and Detectability of Trends in Hydrological Measures over the Western United States 

      Das, Tapash; Hidalgo León, Hugo G.; Dettinger, Michael D.; Cayan, Daniel R.; Pierce, David W.; Bonfils, Céline; Barnett, Tim P.; Bala, Govindasamy; Mirin, Arthur A. (2009-08)
      This study examines the geographic structure of observed trends in key hydrologically relevant variables across the western United States at ⅛° spatial resolution during the period 1950–99. Geographical regions, latitude ...