cycle

Climate response to orbital forcing across the Oligocene-Miocene boundary

Zachos, JC, Shackleton NJ, Revenaugh JS, Palike H, Flower BP. 2001. Climate response to orbital forcing across the Oligocene-Miocene boundary. Science. 292:274-278.

Model projections of an imminent transition to a more arid climate in southwestern North America

Seager, R, Ting MF, Held I, Kushnir Y, Lu J, Vecchi G, Huang HP, Harnik N, Leetmaa A, Lau NC et al.. 2007. Model projections of an imminent transition to a more arid climate in southwestern North America. Science. 316:1181-1184.