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Author Archives: gymnosperm
Differential Motions of the Continents, Mesozoic and Cenozoic Eras IV: Constraints
We know the position and velocity of stable points on our six cratons. A reasonable question to ask is, “Can we account for this motion?” Above is a map of the ocean floor created in the last 10 million years. … Continue reading
Posted in Geology, Paleogeography
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Differential Motion of the Continents, Mesozoic and Cenozoic Eras III: North America and Eurasia
In the first post in this series we set the goal of using motion vectors of the continents to analyze the forces exerted on them, and described the motions of Africa and South America. In the second post we described … Continue reading
Posted in Climate
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Differential Motions of Continents, Mesozoic and Cenozoic Eras II: Antarctica and Australia
In the first post of this series we explored the rationale for extending precise analysis of continental motion only 250 million years. The ultimate goal of this exercise is to develop rigorous constraints on the forces creating the different motions, … Continue reading
Differential Motions of Continents, Mesozoic and Cenozoic Eras
The total volume of ocean floor production becomes increasingly difficult to constrain as we work backwards in time. Ocean floor is increasingly lost to subduction, and efforts to replicate the missing parts become speculation. The continents, by contrast, have grown … Continue reading
Posted in Continental Wander Path, Paleogeography
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The Pacific Triangle, Take III
Essentially, the Pacific Triangle IS the Pacific Plate. Unless you wish to consider it a sinkhole, a point subduction zone, all that we know as the Pacific Plate has grown out of this spot in the last 175 million years. Seafloor … Continue reading
The Cretaceous Superchron, Beaufort Isochrons, and the Motion of North America
In the last post we explored a very peculiar set of seafloor isochrons in the Beaufort Sea and Arctic ocean. We found that a perpendicular shift in seafloor spreading defined the Cretaceous Normal Superchron, the longest known period in earth … Continue reading
Idosyncratic Isochrons, and the Cretaceous Normal Superchron
The magnetic lineations in the ocean floor were first discovered using magnetometers designed for submarine detection. These isochrons are tenets of our notion of plate tectonics, yet many isochron patterns are inexplicable by our current tectonic model. We have previously … Continue reading
Posted in Cretaceous normal superchron, Geography
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Radiation vs the Adiabat
Amongst those who have come to realize that climate models based on radiative transfer are running too hot, there is disagreement as to whether the hot bias results from emergent complexity the radiative transfer equations have yet to include; or … Continue reading
Posted in Climate
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Is the Saturation of CO2 Logarithmic?
It is generally agreed by both the red and blue teams in the climate debate that the incremental effects of increasing atmospheric CO2 diminish with increasing concentration. It is often said that the reduction of effect with increasing concentration is … Continue reading
Posted in Climate
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The Fire Came in the Night
The deadly fires come in the night, with the swoosh of the wind. Fingers of fire, almost liquid, reaching forward just above the ground; fireballs of mistletoe sailing high in the sky; sparks flying everywhere between. Entropy unleashed. Potential energy … Continue reading
Posted in Climate
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