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Author Archives: gymnosperm
The Sloping Ascent of the Low Velocity Plume to Yellowstone Closely Matches the Proposed Path of the Shatsky Rise Beneath North America
Nelson and Grand (2018) used core waves to show a low velocity plume from the core/mantle boundary to the surface in the vicinity of Yellowstone. Their plume is steeply inclined, travelling half as far horizontally as vertically. Their paper provides … Continue reading
Posted in Plate Tectonics
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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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CERES
The CERES program is run for NASA by Norman Loeb. CERES stands for Clouds and the Earth’s Radiant Energy System. Scanning radiometers on the satellites have measured the earth’s energy flux since the millenium and the results run counter to … Continue reading
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
Posted in Climate
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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
Posted in Climate
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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
Posted in Climate
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Corona with Lyme
A seasonal second wave of SARS-2 infections has spread around the Northern Hemisphere since the last post. Generally deaths are far fewer, both because many of the most vulnerable have been exposed and because a younger and healthier group is … Continue reading
Posted in SARS 2
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