Tioga & Glacier Point Roads Closed for the Winter
The Tioga Road (Highway 120 through the park) and Glacier Point Road are closed due to snow; they usually reopen late May or June. You can check on current road conditions by calling 209/372-0200 (press 1 then 1). More »
Hydrology and Climate References
Bales, R. C., N. P. Molotch, T. H. Painter, M. D. Dettinger, R. Rice, and J. Dozier (2006), Mountain hydrology of the western United States, Water Resources Research, 42(W08432, doi:10.1029/2005WR004387), 13.
Barnett, T., J. Adam, and D. Lettenmaier (2005), Potential impacts of a warming climate on water availability in snow-dominated regions, Nature, 438(7066), 303-309.
Cayan, D. R., E. P. Maurer, M. D. Dettinger, M. Tyree, and K. Hayhoe (2007), Climate change scenarios for the California region, Climatic Change, 87(Supplement 1), 21-42.
Dettinger, M. (2005), Changes in Streamflow Timing in the Western United States in Recent DecadesRep., 4 pp, National Streamflow Information Program, U.S. Geological Survey, Scripps Institution of Oceanography, La Jolla, California.
Dettinger, M., K. Redmond, and D. Cayan (2005), Winter Orographic-Precipitation Ratios in the Sierra Nevada - Large-Scale Atmospheric Circulations and Hydrologic Consequences, Journal of Hydrometeorology, 5, 1102-1116.
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. Climate Change, 62, 283-317.
Dettinger, M., D. Cayan, N. Knowles, A. Westerling, and M. Tyree (2004), Recent projections of 21st-century climate change and watershed responses in the Sierra Nevada, USDA Forest Service 46 Gen. Tech. Rep. PSW-GTR-193.Dettinger, M. D. (2005), From climate-change spaghetti to climate-change distributions for 21st century California, San Francisco Estuary and Watershed Science, 3(1), 14.
Jacobs, D. D. (1953), Snow Surveying, Yosemite Nature Notes, 32(1), 6.
Karl, Thomas R.; Melillo, Jerry M.; and Peterson, Thomas C. (eds.) (2009), Global Climate Change Impacts in the United States. Cambridge University Press, New York, N.Y.
Knowles, N., M. D. Dettinger, and D. R. Cayan (2006), Trends in Snowfall versus Rainfall in the Western United States, Journal of Climate, 19(18), 4545-4559.
Lundquist, J., and J. Roche (2009), Climate change and water supply in western national parks, Park Science, 26(1), 7.
Lutz, James A.; Van Wagtendonk, Jan W.; Franklin, Jerry F. (2010), Climatic Water Deficit, Tree Species Ranges, and Climate Change in Yosemite National Park, Journal of Biogeography, (doi:10.1111/j.1365-2699.2009.02268.x), 1-15.
McCabe, G., M. Clark, and L. Hay (2007), Rain-on-snow events in the western United States, Bulletin of the American Meteorological Society, 88(3), 319-328.
Merz, R., and G. Blöschl (2003), A process typology of regional floods, Water Resources Research, 39(12), 1340.
Mount, J., 1995. California Rivers and Streams: The Conflict Between Fluvial Process and Land Use. University of California Press, 376pp.
Peterson, D., R. Smith, S. Hager, D. Cayan, and M. Dettinger (2003), Air Temperature and Snowmelt Discharge Characteristics, Merced River at Happy Isles, Yosemite National Park, Central Sierra Nevada, paper presented at Pacific Climate.
Peterson, D., R. Smith, I. Stewart, N. Knowles, C. Soulard, and S. Hager (2005), Snowmelt discharge characteristics Sierra Nevada, California, Rep. 2005-5056, U.S. Department of the Interior U.S. Geological Survey, Reston, Virginia.
Stewart, I. T., 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(3-Jan), 217-232.
Stillwater Sciences (2008), The Merced River Alliance Project Final Report Rep. The Consortium for Integrated Climate Research in Western Mountains (CIRMOUNT) Committee (2006), Mapping new terrain: Climate change and America's West: Anticipating challenges to western mountain ecosystems and resources Rep., 32 pp, Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture, Albany, Calif.
Did You Know?
Starting in 1907, the Yosemite Valley Railroad brought passengers bound for Yosemite Valley up the Merced River canyon to El Portal. From there, they would take stagecoaches to the Valley. Some of the old train cars are now on display in El Portal.