## Summary by Dr. Gareth Evans

This is a very interesting summary by the AIAS Co President, a well known environment expert for Cerdigion County Council who regularly attends Welsh national committees, and who has been invited to many international conferences, one of them chaired by Francois Hollande, the President of France. We can already solve the three simultaneous equations for precessions and nutations (tilting). I think that this will go a long way, and then we can develop the theory into the full five variable problem. Dr. Horst Eckardt has already made a lot of progress, so the problem can be solved on a desktop. He might like to think of matching the nutations and precessions and other details to the Milankovitch cycles.

To: EMyrone@aol.com
Sent: 07/02/2017 10:31:27 GMT Standard Time
Subj: Re: Discussion of 369(9)

To have a first complete solution of Milankovitch cycles could be very interesting for climate science (particularly if any new details emerge). The Milankovitch cycles conventionally determine climate on Earth in the longer term (because of eccentricity – 100000 year cycle, axial tilt – 41000 year cycle and precession – 23000 year cycle).These affect the amount of solar radiation reaching the Earth. Other factors that affect the amount of solar radiation reaching the Earth include solar cycles themselves. The sun goes through periodic cycles of high and low activity that repeats approximately every 11 years (so a much shorter time scale effect on climate).

Of course, we all get a sense of how much the sun affects the Earth by the difference in temperature between night and day (the highest diurnal temperature recorded on Earth is actuallt a massive 56.7 degrees centigrade) and seasonal variations (because of the 23.5 degree tilt of the Earth).

The variation in sunlight controls the circulation of air through the atmosphere affecting short term water and longer term climate. The Coriolis Effect, arising from the Earth’s rotation, also affects air circulation and can cause large weather systems like hurricanes to rotate. It helps to create westward running trade winds near the equator and the eastward running jet stream in the northern and southern hemispheres (that largely controls our weather in the UK).

Climate science is interesting and important and it is crucial to have all the physics right (so UFT 369 could become another important landmark).

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