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An evaluation of the correlation between open solar flux and total solar irradiance

机译:评估开放太阳通量与总太阳辐照度之间的相关性

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摘要

The correlation between the coronal source flux F_{S} and the total solar irradiance I_{TS} is re-evaluated in the light of an additional 5 years' data from the rising phase of solar cycle 23 and also by using cosmic ray fluxes detected at Earth. Tests on monthly averages show that the correlation with F_{S} deduced from the interplanetary magnetic field (correlation coefficient, r = 0.62) is highly significant (99.999%), but that there is insufficient data for the higher correlation with annual means (r = 0.80) to be considered significant. Anti-correlations between I_{TS} and cosmic ray fluxes are found in monthly data for all stations and geomagnetic rigidity cut-offs (r ranging from −0.63 to −0.74) and these have significance levels between 85% and 98%. In all cases, the t is poorest for the earliest data (i.e., prior to 1982). Excluding these data improves the anticorrelation with cosmic rays to r = −0:93 for one-year running means. Both the interplanetary magnetic field data and the cosmic ray fluxes indicate that the total solar irradiance lags behind the open solar flux with a delay that is estimated to have an optimum value of 2.8 months (and is within the uncertainty range 0.8-8.0 months at the 90% level).
机译:根据太阳周期23上升阶段的另外5年数据,并利用探测到的宇宙射线通量,重新评估了日冕源通量F_ {S}和总太阳辐照度I_ {TS}之间的相关性。在地球上。对月平均值的测试表明,从行星际磁场推导出的与F_ {S}的相关性(相关系数,r = 0.62)非常显着(99.999%),但是没有足够的数据来证明与年平均值的较高相关性(r = 0.80)被认为是重要的。 I_ {TS}和宇宙射线通量之间的反相关关系在所有站点的月度数据和地磁刚度临界值(r介于-0.63至-0.74之间)中都有,并且它们的显着性水平在85%至98%之间。在所有情况下,对于最早的数据(即1982年之前),t都是最差的。排除这些数据后,对于一年的运行时间,与宇宙射线的反相关性提高到r = -0:93。行星际磁场数据和宇宙射线通量均表明总太阳辐照度滞后于开放太阳通量,其延迟估计为最佳值2.8个月(并且在不确定范围0.8-8.0个月内)。 90%的水平)。

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    Lockwood Mike;

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  • 年度 2002
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  • 原文格式 PDF
  • 正文语种 en
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