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Category Archives: Climate
Further Conversations with Grok
Shatsky did not subduct very far. Maybe 100km, less than any existing flat slab except possibly Alaska, which is thought related to ridge subduction. Further, it is reputed to have ripped off the mantle lithosphere, after underplating the shists, from … Continue reading
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NAVDAT Data in GPLATES
GPLATES puts this massive database of western US volcanism in motion and in perspective. The results are very interesting. Supposed contact with the Insular Terrain/Wrangellia/Baja BC does not show much increase in volcanic activity. Neither does the proposed entourage of … Continue reading
North America Encounters the East Pacific Rise
The Yellowstone plume investigation keeps broadening. In the image below the heavy black line is the Pacific/Farallon ocean spreading ridge at ~30 million years ago when it first encountered North America. The current position of North America is outlined in … Continue reading
Posted in Climate, Geology, Plate Tectonics
Tagged earth-science, Geology, Subduction
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The Newberry Trend
Most people have heard of the Yellowstone hotspot, an idea that has been around for half a century. Supporting this concept is a line of volcanism beginning in northern Nevada about 16.5 million years ago and getting more recent as … Continue reading
Clive on Cycles of Ice
Excellent discussion Ice Age insights | Clive Best
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CERES and the Greenhouse Effect.
In 2017 we became interested in the CERES data, in particular the measured trend of increasing longwave radiation to space. Nobody seemed to register the significance of this, so in 2018 we downloaded the data and produced this graphic: It … Continue reading
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Steve Rayner in Policy Making in a Post-Truth World
The problem is not that charlatans have duped the public with pseudoscience and misinformation but rather that the expert class and the institutions in which they are embedded has failed to attend to the panoply of public values that are … Continue reading
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Fuel Moisture and the Dragon’s Breath
Fuel moisture content equilibrates with atmospheric humidity on a scale of hours to weeks depending whether it is dead or alive and how thick it is. There is widespread superstition that drier fuels from climate change can be blamed for … Continue reading
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