The Southern Oscillation Index (SOI) is the difference between the
standardized Tahiti Sea Level Pressure (SLP) and the standardized
Darwin SLP measurements. The data was originally collected by
Studies of the climatic variations (especially of low latitude climatic
(Monsoon-ENSO) dynamics in Indian and Pacific Ocean) during the last glacial
cycles. The study data comes from sediment ...
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 ...