Maunder Minimum模型
Modeling a Maunder Minimum
摘要：
我们引入了开/关不稳定性的平均场发电机模型施加随机波动的α效应或通过列入一个波动的电动势。具有0.3-3年量级的时间尺度的足够强的小尺度波动可以在数百年量级的时间尺度上在系统中产生长期变化。然而，没有观察到两个半球的磁活动同时受到全球抑制。磁场的变化与太阳黑子数的变化不同，但更像是10 Be的记录。我们的结果的解释集中注意力的磁活动水平和太阳黑子数量之间的联系，一个问题，必须阐明，如果长期的太阳能效应是很好地理解。
英文摘要：
We introduce on/off intermittency into a mean field dynamo model by imposing stochastic fluctuations in either the alpha effect or through the inclusion of a fluctuating electromotive force. Sufficiently strong small scale fluctuations with time scales of the order of 0.3-3 years can produce long term variations in the system on time scales of the order of hundreds of years. However, global suppression of magnetic activity in both hemispheres at once was not observed. The variation of the magnetic field does not resemble that of the sunspot number, but is more reminiscent of the 10 Be record. The interpretation of our results focuses attention on the connection between the level of magnetic activity and the sunspot number, an issue that must be elucidated if long term solar effects are to be well understood.
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