An important statistical consideration,and the effect of the interplanetary magnetic field on the quiet time variation of the geomaganetic field |
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Authors: | CL Carter KD Cole |
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Institution: | Bendigo College of Advanced Education, Bendigo, Victoria, Australia 3550;La Trobe University, Bundoora, Victoria, Australia 3083 |
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Abstract: | We present an analysis of some interplanetary and geomagnetic field data and at the same time attempt to show that erroneous conclusions may be drawn if the effects of autocorrelation are not taken into account in standard least squares regression methods. We found the following conclusions survived the autocorrelation corrections to simple correlation tests (i) that the directed z component of the interplanetary magnetic field (IMF) affects the first few Fourier terms in the daily variation of the vertical component of the quiet geomagnetic field (ii) ΣKp correlates with the daily mean magnitude of the IMF. |
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