![Future dryness in the southwest US and the hydrology of the early 21st century drought]()
Future dryness in the southwest US and the hydrology of the early 21st century droughtDaniel R. Cayan, Tapash Das, David W. Pierce, Tim P. Barnett, Mary Tyree, Alexander Gershunov and Glen M. MacDonald · Proceedings of the National Academy of Sciences of the United States of America · 2010