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Tag Archives: pacific decadal oscillation
A New Feature of the Pacific Decadal Oscillation?
We learn about things in mundane ways. Our conception of the Pacific Decadal Oscillation (PDO) began with fish. Salmon are absolutely delicious. Tough handed people venture into dangerous conditions to catch them for us. It became apparent to the tough … Continue reading
Posted in California Drought, Climate, Geography, San Francisco Rainfall
Tagged pacific decadal oscillation
3 Comments
Loose Fire Hose and the Aborted Nino
The Antarctic vortex is a whirling dervish that extends from the stratosphere to the deep ocean. Inside the steep gradients that drive this circulation everything is reflected inward and contained. Outside the dervish everything that contacts it receives angular momentum. … Continue reading
Deeper Doo Doo for Dendrochronology
Indices of the Pacific Decadal Oscillation are in close agreement for the period of the last seventy years. The NASA Multivariate Index and the Mantua Index only go back a hundred or so and they correlate very closely. These shorter … Continue reading
Posted in Climate, Climate Change, Geography, Oceanography, Paleoclimate, Paleogeography
Tagged China, Dendrochronology, Hockey Stick, Limber Pine, NASA, pacific decadal oscillation, PDO
3 Comments
Viejo indeed! When the big dog stirrs…
El Viejo, (the old one) is an alternative name developing for the La Niña phase of the El Nino Southern Oscillation, ENSO. Much has been written on the impact of ENSO on global temperature, and many are coming to understand the importance of … Continue reading
And so goes PDO…
The first thing one notices is that this historical index shows the Pacific Oscillation to be far more medicentennial than decadal. This bears some further work for this wonderful index: Shen, C., et al. 2006. Pacific Decadal Oscillation Reconstruction. IGBP … Continue reading
Posted in Climate, Climate Change, Geography
Tagged Climate Change, pacific decadal oscillation, PDO, rainfall data
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