This dataset refers to Final Report of the ISP round I project number 005,
which has the name "THE LAST FOUR CENTURIES OF THE CALIFORNIA CURRENT:
CALIBRATION AND INTERPRETATION FROM LAMINATED SEDIMENTS, ...
This data consists of the Pacific Decadal Oscillation (PDO)
reconstruction based on tree ring chronologies.
Climate in the North Pacific and North American sectors has
experienced interdecadal shifts ...