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North Pacific Gyre Oscillation

The North Pacific Gyre Oscillation (NPGO) is a climate pattern that emerges as the 2nd dominant mode of sea surface height variability (2nd EOF SSH) in the Northeast Pacific. The NPGO is significantly correlated with previously unexplained fluctuations of salinity, nutrients and chlorophyll-a measured in long-term observations in the California Current (CalCOFI) and Gulf of Alaska (Line P). See theNGPO webpage at Georgia Tech for more infomation.

Time Interval: Monthly
Time Coverage: 1950 to 2017.
Update Status: Periodically updated

Get Data:

NPGO: Standard PSL Format (What is standard format?)

Data is from Georgia Tech at http://www.o3d.org/npgo/npgo.php.

  1. Di Lorenzo E., Schneider N., Cobb K. M., Chhak, K, Franks P. J. S., Miller A. J., McWilliams J. C., Bograd S. J., Arango H., Curchister E., Powell T. M. and P. Rivere, 2008: North Pacific Gyre Oscillation links ocean climate and ecosystem change. Geophys. Res. Lett., 35, L08607, doi:10.1029/2007GL032838.