Planetary Magnetic Feild Inversion

[andycass]

[You're going to have to rewrite this for me because I can't make heads or tails of it.

Yeah sorry, i was getting ahead of myself and rambling a bit.

"What are "dipole assumptions" about the outer core? "

I think, but am not sure, that for the simulation to work there are some starting criteria, and that part of this was an inner core rotation and direction, also core rotation being non pressesional, among others.

"If you are referring to the resulting convection, then it does indeed have this structure, but this a result of the solution of the Navier-Stokes equation for the problem and not anything that is input beforehand. "

However my point is the result shows convection and therefore moving material flowing in this form but as far as i have heard, the heat flow and (i assume that it is directly related to convection flow) material movements are chaotic. I feel that this is inconsistent.

To dig my hole deeper, i am thinking of a harmonic interaction in the magnetosphere if I might draw on a memorable analogy, the force of the wind blowing on the Tacoma narrows bridge. The wind in no way could cause the bridge to fail, but there was a harmony in the structure that the slightest wind exerting only 10's of Newtons pressure on the structure caused... you will probably remember.

I assume that energy in the magnetosphere, almost irrespective of its form, weather as charged plasma, light, solar wind magnetism and other forms, and flowing in patterns and being shaped as dictated by the magnetic field could have a similar effect, This is the excited dynamo, and any parts of the chaotic interior of the Earth that 'fit with' the structure will become dominant. Further, by measurably changing the structure of the magnetosphere by effects of a sun storm the harmonics change and reinforce the magnetic potential of different flow regimes within the earth. If there is chaotic flow regimes then it stands to reason that a dynamo effect could take up any orientation, but those within a harmonised regime would generate far more field by exciting the dynamo.

Hope this helps

 

[rootiedude]

"geo-magnetic field , is fadin fast?

Yes sir.. lookin like you got it right, "dude"
todays ny.Times states our magnetic field is fizzling.
im unlcear 'bout how this will effect the "general" welfare
of my planet? does anyone have any ideas..
( i'd love to hear 'em..
i an NOT buyin the "ole" Earth ok, noting to be concerned about
bull.. that we bound to see..
how many ways can this affect life??
(gosh i can think of endless posiblities
anyway.. my friends it's been nice knowing ya..
when the lightin flies.. an stuff starts burning ?
well , we could blame massive E.M.F. power lines strung everywhere?
solar mass ejection. nuclear testing.. any ole electromagnetic
event , that effected good ole mother Earth's natural magnetic field.
('course, what's the chances our power mad manipulations , rampant energy needs could have effected a magnetic field.. like the Earth's.
or that could have effected the Suns?
sheezz?

 

[Evo]

I watched the NOVA program recently about the magnetic field "flip" and it has interviews with Daniel Lathrop.

For the average layperson, like me, this was very interesting. I am providing a link to the site.

http://www.pbs.org/wgbh/nova/magnetic/