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The changing intensity of solar activity, which effects our climate, typically occurs in cycles, as the big historic solar minimum cycles did, from the Oort Minimum to the Maunder Minimum.
However, the repeated cycles were different every time. They were always changing. The intervals between them were getting shorter, and the amplitudes smaller. We have extraordinary evidence here that for the last thousand years a major aspect of the solar dynamics has been diminishing, to the point of almost fading out of existence.
The interval times, plotted here, have decayed in an almost geometric progression. The interval between the Oort and Wolf Minima, of 260 years in length, was never repeated. Each successive interval became shorter in time.
In a similar manner did the amplitude of the oscillations diminish. They have diminished to the point that the cycles have become too small to be significant anymore.
We see evidence here of a progression towards an end point in the near future.
We also see the same happening for the big 'global warming' events. The amplitudes too, which have been measured in ice cores from the Greenland ice sheet, have been getting progressively smaller.
And here, likewise, the intervals, have been getting shorter. Theyhave diminished from 1,300 years, to 1,100 years, and then to roughly 800 years for the final one, the one that ended the Little Ice Age around 300 years ago. We find evidence in this, that the weakening of the solar system began already 3,500 years ago, and has been gradually increasing, and that the entire dynamics is centered on the Sun.
That the warming pulses, are pulses of increased solar activity, is prominently evident in the Carbon-14 ratios for the modern global warming pulse that ended the Little Ice Age. This means that likewise all the other climate warming pulses and major fluctuations, have a changing Sun standing behind them and beyond the Sun, the large external processes that cause the changes in solar activity to happen.
Likewise, when we look at the broad horizon of the interglacial periods as a whole - the last one of which is presently giving us our warm holiday from the Ice Age glaciation, it becomes apparent that the interglacial pulses too, are cyclical pulses likewise.
And if one looks closer, at the current pulse, it becomes apparent that it is of a type that fades faster the closer it comes to its the end.
This faster fading at the end, is evident by the current pulse being not a symmetric pulse. The current interglacial started roughly 11,600 years ago. It reached its maximum 3,600 years later, around 8,000 years ago, and then began to decline. Amazingly, it remains still active today, 4,400 years past the point of symmetry.
This lingering on seems to tell us that the interglacial dynamics are hard to start up, but once started tend to maintain themselves, even while they are fading out. As the result, the plotted geometry of the rate of change gets steeper the longer the interglacial hangs on. That's what we see evident evermore as we are getting further down on the steepening slope. Changes are happening more rapidly now than before. The weakening dynamics appear to be reflected now even in the solar heart beat getting weaker.
The solar heartbeat has begun to slow down. The 11-year solar cycle that seemed unchanging until now, is getting longer. The last cycle was 13 years long, peak to peak. The next cycle will likely be slower than that. It might be as slow as 16 years peak to peak.
All the evidence that we see seems to suggest that we are getting close to a major end-point. It might be the phase shift that takes us back into the glacial climates of the next Ice Age as the interglacial period ends. This momentous phase shift appears to be not far distant.
How close we are to this endpoint phase shift, however, cannot be determined by merely looking at the evidence of the fading cycles themselves, though this evidence is extraordinary. In order to get a more defined sense of the timing of it, additional types of evidence are needed. Of course, these evoke still more amazing stories of extraordinary evidence being considered.