Climate Attribution

Causes of the Extreme Dry Conditions Over California During Early 2013

September 2014
Hailan Wang, Siegfried Schubert
Bulletin of the American Meteorological Society
The 2013 SST anomalies produced a predilection for California drought, whereas the longterm warming trend appears to make no appreciable contribution because of the counteraction between its dynamical and thermodynamic effects. Read More →

What caused the Sacramento River fall Chinook stock collapse?

March 2009
S. T. Lindley, C. B. Grimes, M. S. Mohr, W. Peterson, J. Stein, J. T. Anderson, L. W. Botsford, , D. L. Bottom, C. A. Busack, T. K. Collier, J. Ferguson, J. C. Garza, A. M. Grover, D. G. Hankin, R. G. Kope, P. W. Lawson, A. Low, R. B. MacFarlane, K. Moore, M. Palmer-Zwahlen, F. B. Schwing, J. Smith, C. Tracy, R. Webb, B. K. Wells, T. H. Williams
National Oceanic and Atmospheric Administration
This report reviews possible causes for the decline in Sacramento River fall Chinook salmon for which reliable data were available.Read More →

Forcing of Multiyear Extreme Ocean Temperatures that Impacted California Current Living Marine Resources in 2016

January 2008
Michael G. Jacox, Michael A. Alexander, Nathan J. Mantua, James D. Scott, Gaelle Hervieux, Robert S. Webb, Francisco E. Werner
Bulletin of the American Meteorological Society
Significant impacts on California Current living marine resources in 2016 resulted from sustained extremely high ocean temperatures forced by a confluence of natural drivers and likely exacerbated by anthropogenic warming.Read More →