From the Inside of the Sun to Its Atmosphere

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From the Inside of the Sun to Its Atmosphere
SH52A-01 17 December 2004

• Thomas J. Bogdan
• National Center for Atmospheric Research

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Magnetic Activity Cycle
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Irradiance Cycle
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Clue to Something Deeper?
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Why Does One Care?
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Need more proof?
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Magnetic Flux Emergence
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Active or Ephemeral?
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A Superficial Process?
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Or One With Deeper Roots?
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Some Easy Maths
F ? x-? ?x ? as x ? ? ? ?4 ? x-?
?x ? as x ? 0

• x? ?t? ?x (? x-? ?x ?)

• ?T? ?2X ?

1 ?X ? as X ? ? ?4 ?X ? as X ?
0

• ? 1 X

• X

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Let Emerging Flux Help

• ?T? ?2X ?

1 ?X ? as X ? ? ?4 ?X ? as X ?
0
Steady Transport Sinusoidal Modulation

• ?

as T ? ?

• X

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A Curious Implication
SCZ has not thermally relaxed Poles on average
cooler than active latitutdes Upwelling of
entrained high entropy fluid persists after the
active regions magnetic demise During the
Maunder Minimum the rapid transport by emerging
flux was suppressed
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Outlook
Everyone is entitled to their own opinions, but
NOT to their own facts. Attributed to Daniel
Patrick Moynihan
New data Advances in numerical simulations
Demise for contrived and antiquated thinking
When your only tool is a hammer, everything
looks like a nail.