United States

Svoboda M, LeComte D, Hayes M, Heim R, Gleason K, Angel J, Rippey B, Tinker R, Palecki M, Stooksbury D et al..  2002.  The Drought Monitor. Bulletin of the American Meteorological Society. 83:1181.

Hamlet AF, Lettenmaier DP.  2007.  Effects of 20th century warming and climate variability on flood risk in the Western U.S. Water Resources Research. 43

Cook ER, Woodhouse CA, Eakin CM, Meko DM, Stahle DW.  2004.  Long-term aridity changes in the western United States. Science. 306:1015-1018.

Westerling AL, Hidalgo HG, Cayan DR, Swetnam TW.  2006.  Warming and earlier spring increase western US forest wildfire activity. Science. 313:940-943.

MacDonald GM.  2007.  Severe and sustained drought in southern California and the West: Present conditions and insights from the past on causes and impacts. Quaternary International. 173:87-100.

Shindell D.  2007.  Estimating the potential for twenty-first century sudden climate change. Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences. 365:2675-2694.

Diffenbaugh NS, Pal JS, Trapp RJ, Giorgi F.  2005.  Fine-scale processes regulate the response of extreme events to global climate change. Proceedings of the National Academy of Sciences of the United States of America. 102:15774-15778.

Kitzberger T, Brown PM, Heyerdahl EK, Swetnam TW, Veblen TT.  2007.  Contingent Pacific-Atlantic Ocean influence on multicentury wildfire synchrony over western North America. Proceedings of the National Academy of Sciences of the United States of America. 104:543-548.

Lyon B, Christie-Blick N, Gluzberg Y.  2005.  Water shortages, development, and drought in Rockland County, New York. Journal of the American Water Resources Association. 41:1457-1469.

Timilsena J, Piechota TC, Hidalgo H, Tootle G.  2007.  Five hundred years of hydrological drought in the Upper Colorado River basin. Journal of the American Water Resources Association. 43:798-812.