Northern Hemisphere

Warming of the world ocean

Levitus S, Antonov JI, Boyer TP, Stephens C. 2000. Warming of the world ocean. Science. 287:2225-2229.

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.

Seasonal cycle shifts in hydroclimatology over the western United States

Regonda SK, Rajagopalan B, Clark M, Pitlick J. 2005. Seasonal cycle shifts in hydroclimatology over the western United States. Journal of Climate. 18:372-384.

Changes in the onset of spring in the western United States

Cayan DR, Kammerdiener SA, Dettinger MD, Caprio JM, Peterson DH. 2001. Changes in the onset of spring in the western United States. Bulletin of the American Meteorological Society. 82:399-415.