Geomagntic - Climate, page-73

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jopo

15,340 Posts.

01/12/15

18:26

Post #: 16522868
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Originally posted by Primate ↑

mjp2, you are arguing an irrelevant point of nomenclature. Jopo's correlation is between the year to year wandering of the magnetic pole. The geographic pole, is the axis of the Earth's rotation, which is affected to a very small extent by climate primarily through the influence of changes in the mass of ice. Tectonic forces however dwarf any isostatic adjustments from ice loss.

The magnetic pole however, is not influenced in the slightest by climate, but through very complex magnetohydrodynamics related to the earth's core, and possibly interaction with the solar wind / solar magnetosphere.

While I wouldn't be surprised to see local atmospheric effects from polar wander, I can't see any mechanism by which the rate of polar wander could affect global temperatures, thus we must be aware that cum hoc ergo propter hoc does not apply.

However, the rate of change of polar wander does correlate with an acceleration in the rate of weakening of the Earth's magnetic field from ~53,760 nanoTeslas in 1985 to ~53,200 nT presently.

Interestingly, the correlation between HadCRUT 4 temperature anomaly and CO2 is almost identical (but inverse) to the correlation between HadCRUT 4 and magnetic field strength. And if you don't think that the magnetic field which protects Earth from cosmic rays and solar plasma has any effect on the Earth's climate then you're just being naive.

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Geomagntic - Climate, page-73

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Geomagntic - Climate, page-73

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