References

Cayan, D.R., Redmond, K.T., and Riddle, L.G., 1999, ENSO and hydrologic extremes in the western United States: Journal of Climate, v. 12, p. 2881-2893.

Gatewood, J.S., 1962, The meteorologic phenomenon of drought in the Southwest: U.S. Geological Survey Professional Paper 372-A, p. A1-A43.

Gatewood, J.S., Wilson, A., Thomas, H.E., and Kister, L.R., 1964, General effects of drought on water resources of the South-west, 1942-1956: U.S. Geological Survey Professional Paper 372-B, p. B1-B55.

Mantua, N.J., and Hare, S.R., 2002, The Pacific decadal oscillation: Journal of Oceanography, v. 58, p. 35-42.

McCabe, J.G., and Dettinger, M.D., 1999, Decadal variations in the strength of ENSO teleconnections with precipitation in the western United States: International Journal of Climatology, v. 19, p. 1399-1410.

Ropelewski, C., 1999, The great El Niño of 1997-1998—Impacts on precipitation and temperature: Consequences, v. 5, p. 17-25.

Schmidt, K.M., and Webb, R.H., 2001, Researchers consider U.S. Southwest’s response to warmer, drier conditions: Eos, Transactions, American Geophysical Union, v. 82, p. 475, 478.

Swetnam, T.W., and Betancourt, J.L., 1998, Mesoscale distur-bance and ecological response to decadal climate variability in the American Southwest: Journal of Climate, v. 11, p. 3128-3147.

Trenberth, K.E., 1997, The definition of El Niño: Bulletin of the American Meteorological Society, v. 78, p. 2271-2777.

Ze’ev, G., and Smith, D.J., 2001, Interdecadal climate variability and regime-scale shifts in Pacific North America: Geophysical Research Letters, v. 28, p. 1515-1518.

Zhang, Y., Wallace, J.M., and Battisti, D.S., 1997, ENSO-like interdecadal variability—1900-93: Journal of Climate: v. 10, p. 1004-1020.

Websites

Climate Prediction Center, Previous ENSO events (1877–present): http://www.cpc.ncep.noaa.gov/…/ensoyears_1877-present.htm; accessed August 31, 2001.

Niño3 Indices, http://ingrid.ldeo.columbia.edu/SOURCES/.KAPLAN/.Indices/.NINO3/.avGOSTA/; accessed June 20, 2001.

Pacific Decadal Oscillation data: N. Mantua http://tao.atmos.washington.edu/pdo; accessed June 19, 2000.

SOI Indices, http://www.cpc.ncep.noaa.gov/data/indices/; accessed July 9, 2001.