Detection and attribution of streamflow timing changes to climate change in the Western United States - Hidalgo, H.G.; Das, T.; Dettinger, M.; Cayan, D.R.; Pierce, D.W.; Barnett, T.P.; Bala, G.; Mirin, A.; Wood, A.W.; Bonfils, Celine; Santer, B.D.; Nozawa, T. (Journal of Climate, 2009)