TOM MANGO has undergoing research on this topic. Here are a few of his latest graphs showing some key cycles that are open to link to earths climate
His email is
The first graph is the sixtyoneyear graph which contains equ(3) in orchid.
If we perform peak-to-peak analysis on equ(3) using every fifth peak we will extract a 2208 year (Hallstatt) cycle.
Notice that the Hallstatt has a 144 year wave oscillating on it (second and fourth graphs).
I discovered this wave but I named it after Pierre Bretagnon.
This peak-to-peak analysis simply measures the change expressed in terms of mass.
Now… If we analyze every fifth peak we find there is actually five combinations (not demonstrated in the graphs).
So… There is actually five overlapping Hallstatt cycles produced, each separated by a phase of ~441.6 years (2208 / 5).
One of the five Hallstatt cycles was in agreement with the Damon and Sonnet 14C data.
I chose the one that was in agreement and that is the fourth graph.
The third graph is a climate projection based on the work of others.
Here I’ve made a huge discovery involving the ~1000 year millennial cycle.
In my model minimums advance along a 914 year wave and these minimums re-occur at ~1000 year intervals.
So…. the next minimum scheduled to repeat itself is the Oort minimum, which should happen in 2070.
It was later that I discovered the Bretagnon wave and that the millennial cycle was really 1008 years (144 x 7).
KEEP TUNED for discussion and please feel free to ask tom questions here
His email is
If you want more detail on the development of these findings. I have a post dedicated to TOM MANGO’s work
You might have to scroll through the pages