Photo of Daniel Cayan

Mailing Address:
Scripps Institution of Oceanography, UCSD 9500 Gilman Drive La Jolla CA, 92093 Mail Code: 0224




Research Meteorologist


  • B.S., University of Michigan
  • M.S., University of Michigan
  • M.S., University of California, Davis
  • Ph.D., University of California, San Diego

Research Interests:

  • Links between global-regional climate varability and hydrologic fluctuations in North America
  • Impacts of climate varability and climate change on California
  • Large-scale exchange of heat and water between the ocean and the atmosphere


  • ESYS190A: Envir Sys/Senior Project
  • SIO299: Research


  • Roach, Lydia (Graduate; 2007-)
  • Das, Tapash (Post Doc; 2006-)
  • Means, James (Graduate; 2006-)
  • Lundquist, Jessica (Post Doc; 2004-2004)
  • Hidalgo, Hugo (Post Doc; 2003-2006)
  • Stewart, Iris (Post Doc; 2003-2004)
  • Taylor, Stephen (Graduate; 2003-2006)
  • Knowles, Noah (Post Doc; 2000-2002)
  • Lundquist, Jessica (Graduate; 2000-2004)
  • Stewart, Iris (Post Doc; 2000-2002)
  • Westerling, Anthony (Post Doc; 2000-2004)
  • Knowles, Noah (Graduate; 1995-2000)

1996. Decadal climate variability over the North Pacific and North America: Dynamics and predictability. Journal of Climate 9(10):2407-2423.

1999. Detection and attribution of recent climate change: A status report. Bulletin of the American Meteorological Society 80(12):2631-2659.

2001. Detection of anthropogenic climate change in the world's oceans. Science 292:270-274.


Franco, G., D.R. Cayan, A. Luers, M. Hanemann, B. Croes, 2008: Linking climate change science with policy in California. Climatic Change, 87, (Suppl 1):S7-S20. (101)

Cayan, D.R., P.D. Bromirski, K. Hayhoe, M. Tyree, M.D. Dettinger, R.E. Flick, 2008: Climate change projections of sea level extremes along the California Coast. Climatic Change, Special Issue on California Climate Scenarios, 87, (Suppl 1):S57-S73. (100)

Cayan, D.R., E.P. Maurer, M.D. Dettinger, M. Tyree and K. Hayhoe, 2008: Climate Change Scenarios for the California Region. Climatic Change, 87, (Suppl 1):S21-S42. (99)

Taylor, S.V., D.R. Cayan, N.E. Graham, K.P. Georgakakos, 2008: Northwesterly surface winds over the eastern North Pacific Ocean in Spring and Summer. J. Geophysical Research, Atmospheres. 118, D02110. (98)

Kueppers, Lara M., Snyder, Mark A., Sloan, Lisa C., Cayan, Dan, Jin, Jiming, Kanamaru, Hideki, Kanamitsu, Masao, Miller, Norman L., Tyree, Mary, Du, Hui, Weare, Bryan, 2008: Seasonal temperature responses to land-use change in the western United States. Global and Planetary Change. 60, 250–264. (97)

Lundquist, J. D., and D. R. Cayan, 2007: Surface temperature patterns in complex terrain: Daily variations and long-term change in the central Sierra Nevada, California, J. Geophys. Res., 112, D11124. (96)

Maurer, E. P., I. T. Stewart, C. Bonfils, P B. Duffy, and D. Cayan, 2007: Detection, attribution, and sensitivity of trends toward earlier streamflow in the Sierra Nevada. J. Geophys. Res., 112, D11118. (95)

Westerling, A.L., H.G. Hidalgo, D.R. Cayan, and T.W. Swetnam, 2006: Warming and Earlier Spring Increase Western U.S. Forest Wildfire Activity. Science, 313, 940-943. (94) Ralph, F.M., P.J. Neiman, G.A. Wick, S.I. Gutman, M.D. Dettinger, D.R. Cayan and A.B. White, 2006: Flooding on California's Russian River: Role of atmospheric rivers. Geophysical Research Letters, 33, L13801, 5pp. (93)

Knowles, N., M.D. Dettinger, and D.R. Cayan, 2006: Trends in Snowfall versus Rainfall for the Western United States. J. Climate, 19(18), 4545-4559. (92)

Alfaro, E.J., A. Gershunov and D. Cayan, 2006: Prediction of summer maximum and minimum temperature over the central and western United States: The role of soil moisture and sea surface temperature. J. Climate,19(8), 1407-1421. (91)

White, W.B., D.R. Cayan, P.P. Niiler, J. Moisan, G. Lagerloef, F. Bonjean, and D. Legler, 2005. The seasonal cycle of diabatic heat storage in the Pacific Ocean. Prog. Oceanogr., 64, 1-29. (90)

Lundquist, J.D., M.D. Dettinger and D.R. Cayan, 2005: Snow-fed streamflow timing at different basin scales: Case study of the Tuolumne River above Hetch Hetchy, Yosemite, California. Water Resources Research, 41, W07005. (89)

Stewart, I.T., D.R. Cayan, and M.D. Dettinger, 2005: Changes towards earlier streamflow timing across western North America. J. Climate. 18(8), 1136-1155. (88)

Bromirski, P.D., D.R. Cayan, and R.E. Flick, 2004: Wave spectral energy variability in the Northeast Pacific. J. Geophysical Research-Oceans. 110(C03005), 15 pages. (87)

Alfaro, E.J., A. Gershunov. D.R. Cayan, et al, 2004: A Method for prediction of California summer air surface temperature. EOS, 85(51), 553, 557-558. (86)

McCabe, G. J., M.D. Dettinger, and D.R. Cayan, 2004: Hydroclimatology of the 1950’s drought, J. Betancourt, Editor, 38 pp. (Accepted) (85)

Dettinger, M.D., K. Redmond, and D.R. Cayan, 2004: Winter orographic-precipitation ratios in the Sierra Nevada – large-scale atmospheric circulations and hydrologic consequences. J. Hydrometeorology. 5(6), 1102-1116. (84)

Westerling, A.L., D.R. Cayan, T.J. Brown, B. Hall, and L.G. Riddle, 2004: Climate, Santa Ana Winds and Autumn Wildfires in Southern California. EOS. 85(31), 289. (83)

Pagano, T., P. Pasteris, M.D. Dettinger, D.R. Cayan, and K. Redmond, 2004: Spring 2004: The Heat is on Western US Water Supplies. EOS. 85(40), 385. (82)

Hayhoe, K., D.R. Cayan, C.B. Field, P.C. Frumhoff, E.P. Maurer, N.L. Miller, S.C. Moser, S.H. Schneider, K.N. Cahill, E.E. Cleland, L. Dale, R. Drapek, R.M. Hanemann, L.S. Kalkstein, J. Lenihan, C.K. Lunch, R.P. Neilson, S.C. Sheridan, and J.H. Verville, 2004: Emissions pathways, climate change, and impacts on California. PNAS. 101(34), 12422-12427. (81)

Hidalgo-Leon, H., D.R. Cayan, M.D. Dettinger, 2004: Sources of variability of Evapotranspiration in California. J. Hydrometeorology. 6(1), 3-19. (80)

Burns, J.C., D.R. Cayan, G. Tong, C. L. Turner, H. Shike, O. Kawasaki, Y. Nakamura, M. Yashiro, and H. Yanagawa, 2004: Seasonality and temporal clustering of Kawasaki Syndrome in Japan, 1987-2000. Epidemiology. 16(2), 220-225. (79) Stewart, I., D.R. Cayan, and M.D. Dettinger, 2004: Changes in snowmelt runoff timing in western North America under a ‘Business as Usual’ climate change scenario. Climatic Change 62(1), 217-232. (78) Dettinger, M.D., D.R. Cayan, M.K. Meyer, and A.E. Jeton, 2004: Simulated hydrologic responses to climate variations and change in the Merced, Carson, and American River basins, Sierra Nevada, California, 1900-2099: Climatic Change. 62(1), 283-317. (77)

Lundquist, J., D.R. Cayan, and M. Dettinger, 2004. Spring onset in the Sierra Nevada: When is snowmelt independent of elevation? J. of Hydrometeorology, 5, 327-342. (76) Knowles, N., and D.R. Cayan, 2004: Elevational dependence of projected hydrologic changes in the San Francisco estuary and watershed. Climatic Change 62:319-336. (75)

Dettinger, M.D., and D.R. Cayan, 2003, Interseasonal covariability of Sierra Nevada streamflow and San Francisco Bay salinity: Journal of Hydrology, 277 (3/4), 164-181. (74)

Lundquist, J.D., D.R. Cayan and M.D. Dettinger, 2003. Meteorology and hydrology in Yosemite National Park: A sensor network application. In Information Processing in Sensor Networks, F. Zhao and L. Guibas (eds.): IPSN 2003, LNCS 2634, 518-528. (73)

Lundquist, J., and D.R. Cayan, 2003. Diurnal cycles in streamflow in the Western United States. Bull. Am. Met. Soc., 84, 16-17. (72)

Westerling, A.L., A. Gershunov, T.J. Brown, D.R. Cayan and M.D. Dettinger, 2003: Climate and Wildfire in the Western United States. Bulletin of the American Meteorological Society, 84(5) 595-604. (71)

Cayan, D.R., M.D. Dettinger, K. Redmond, G. McGabe, N. Knowles, D.H. Peterson, 2003. The transboundary setting of California’s water and hydropower systems—linkages between the Sierra Nevada, Columbia, and Colorado hydroclimates. Advances in Global Change Research 16, Climate and Water, Transboundary Challenges in the Americas. H.F. Diaz and B. Woodhouse (eds.), 26 pp. (70)

Gershunov, A., and D.R. Cayan, 2003: Heavy daily precipitation frequency over the contiguous U.S.: Sources of climatic variability and seasonal predictability. J. Climate. 16(16), 2752–2765. (69)

Bromirski, P.D., R.E. Flick, and D.R. Cayan, 2003: Storminess variability along the California coast 1858-2000. J. Climate 16(6), 982–993. (68)

Knowles, N., D.R. Cayan, 2002: Potential effects of global warming on the Sacramento/San Joaquin watershed and the San Francisco estuary. Geophysical Research Letters, 29(18), 1891. (67)



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