Indeed! Happens once a year -- a metastable condition of the ocean thermocline. Signal processing of time-series clearly shows it as a mirror reflection about the 0,5/year value in the frequency spectrum.
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Every climate index, from ENSO to obscure indices such as the PNA, will reveal this characteristic. It's also a known property of nonlinear fluid dynamics at all scales, capable of being reproduced in the lab -- see geoenergymath.com/2020/05/17/d....
jul 16, 2025, 6:48 am • 0 0 • view
The only question is what causes the magnitude and sign in the strength of the "overturning" signal (I put quotes around overturning because its likely not the same process as fresh-water lake overturning but perhaps analogous).
jul 16, 2025, 6:48 am • 0 0 • view
I place all my money into tidal forces synchronizing the resultant signal profile, much like tidal forces control the signal profile of ocean tides. imageshack.com/a/mLK17/1
jul 16, 2025, 6:48 am • 0 0 • view
24 models of various degrees of cross-validation imageshack.com/a/mLK17/1
jul 16, 2025, 6:48 am • 0 0 • view
