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Author Archives: gymnosperm
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
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What’s going on here? #…oh who’s counting
More data follies. Had to respond to a tenant complaining of poor retail sales. Took a notion to check retail sales for the area. Guess the rainfall data follies should have prepared me. But no, naive I guess, too ready to … Continue reading
Posted in Economics, Geography
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Not to change the subject or anything…
But I walked into the paint store the other day carrying a can of the paint I had bought there sometime within the last decade to paint my truck and was informed that the no longer carry that kind of paint. They further … Continue reading
Posted in Climate, Economics, Geography
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Picturesque
So if the oceanic circulation looks like this: And the resulting 2500m (deep) ocean age looks tile this: Then what does this mean? Why should a PDO index that basically describes which side of the Pacific Ocean the ancient deep water … Continue reading
Posted in Climate, Climate Change, Geography, Oceanography
Tagged el nino, global surface temperature, global temperature, mjo, oceanic circulation, pdo index
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Postcard from a resltess mind
What level of economic growth is sustainable? In the current environment probably the anemic growth we are seeing, but capitalism has always been a boom and bust thing with a mentality that if you aren’t growing like crazy you are … Continue reading
Posted in Economics, Geography
Tagged American Manufacturing, CNC machines, Joe six pack, Sustainable economic growth
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Of Carbon and Sodium
Carbon is really starting to remind me of Sodium. Not that Sodium gets my hands dirty or greasy or anything. Most people have never even seen Sodium, it’s really weird stuff. But just a few years back everyone was getting … Continue reading
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
528 years of PDO, the long skinny one.
Quite a bit lost in the upload but here is the complete Shen Index plotted on three graphs and cobbed together (Excel tops out at 255 per series). Most of the time the index has been … Continue reading
Posted in Climate, Climate Change, Geography, Global Warming
Tagged global warming, PDO, Shen index
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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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Without data, there is only religion
Well here it is, finally, after hours of optical character recognition to extract the data from : Null, Jan, “A Climatology of San Francisco rainfall, 1849-1991” (1992). Master’s Theses. Paper 490. http://scholarworks.sjsu.edu/etd_theses/490 data that should be readily available through the publicly … Continue reading
Posted in Climate
Tagged climate data center, national climate data center, seasonal rainfall
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