Released On: July 22, 2014
The hydrologic data was derived from new downscaled climate projections using the Coupled Model Inter-comparison Project Phase 5 (CMIP5) data from the World Climate Research Program that was made available by Reclamation and collaborators in May 2013. To develop the new hydrologic projections, the group translated 97 of those downscaled CMIP5 climate projections into fine resolution projections of hydrology for the contiguous United States.
The new hydrology projections are available here. Scientists and engineers can use this website to quickly access and download the new information.
The World Climate Research Program develops global climate projections through its CMIP roughly every five to seven years. Results from CMIP3 were released in 2007 and later used in Reclamation research and assessments including the 2011 SECURE Water Act Report and WaterSMART Basin Studies completed in the Colorado, Yakima and St. Mary - Milk River basins.
These new hydrology projections were developed by Reclamation, U.S. Army Corps of Engineers and National Corporation for Atmospheric Research in collaboration with Climate Analytics Group, Climate Central, Lawrence Livermore National Labs, Santa Clara University, Scripps Institution of Oceanography and U.S. Geological Survey.
You can learn more about how Reclamation is addressing climate change at www.usbr.gov/climate.
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