California Climate Scenarios Assessment
Description
In response to Executive Order S-3-05, an evaluation of the implications to California of possible climate changes was undertaken using a scenario-based approach. The "Scenarios Project" investigated projected impacts of climate change on six sectors in the California region. The investigation considered the early, middle and later portions of the twenty-first century, guided by a set of IPCC Fourth Assessment global climate model runs forced by higher and lower greenhouse gas emission scenarios. Each of these climate simulations produce substantial impacts in California that would require adaptations from present practices or status. The most severe impacts could be avoided, however, if emissions can be held near the lower end of global greenhouse gas emissions scenarios.
Reprinted from Climatic Change, Vol. 109: Supplement 1 (2011)
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Cayan heads the California Nevada Applications Program and the California Climate Change Center, climate research programs to improve climate information and forecasts for decision makers in the California region.
Cayan received a BS degree in Meteorology and Oceanography in 1971 from the University of Michigan. He received a Ph.D. in Oceanography in 1990 from the University of California, San Diego. He has been employed by Scripps since 1977 and by the U. S. Geological Survey Water Resources Division since 1991.