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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >The solar wind during current and past solar minima andmaxima
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The solar wind during current and past solar minima andmaxima

机译：太阳风在当前和过去的太阳能最小值andmaxima

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摘要

This paper presents solar wind data from the last five solar cycles. We review solar wind parameters over the four solar minima and five maxima for which spacecraft data are available and show the recovery from the last very weak minimum to the current solar maximum. The solar wind magnetic field, speed, and density have remained anomalously low in this time period. However, the distributions of these parameters about the (lower than normal) average are similar to those from previous solar minima and maxima. This result suggests that the acceleration mechanism for the recent weak solar wind is probably not significantly different from earlier solar cycles. The He~(++)/H~+ ratio variation with solar cycle continues to be a function of speed, but the most recent solar minimum has significantly lower ratios than in the previous solar cycle.
机译：介绍了太阳风的数据五个太阳周期。在四个太阳能最小值和五个参数maxima航天器的数据是可用的从去年很弱,显示经济复苏当前太阳能最大最小。风磁场、速度和密度在这个时期仍不规则地低。然而,这些参数的分布(低于正常)的平均水平是相似的那些从先前的太阳能最小值和最大值。这一结果表明,加速度近期疲弱的太阳风的机制可能没有显著不同太阳周期。与太阳活动周期仍然是一个函数速度,但是最近的太阳显著降低比率比过去太阳活动周期。

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