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1by Clilverd, Mark A., Rodger, Craig J., Dietrich, Sarah, Raita, Tero, Ulich, Thomas, Clarke, Ellen, Thomson, Alan W.P., Kavanagh, Andrew J.“...–April 2005 last up to 4 s, occur more often at midnight, are associated with high geomagnetic activity...”
Published in Radio Science (2010)
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2by Clilverd, Mark A., Clarke, Ellen, Ulich, Thomas, Linthe, Joachim, Rishbeth, Henry“...The robustness of the aa geomagnetic index is of critical importance to the debate about...”
Published in Journal of Geophysical Research (2005)
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3by Newnham, David A., Espy, Patrick J., Clilverd, Mark A., Rodger, Craig J., Seppälä, Annika, Maxfield, David J., Hartogh, Paul, Holmén, Kim, Horne, Richard B.“...–3 orders of magnitude above background, at 70–80 km during small, relatively isolated geomagnetic...”
Published in Geophysical Research Letters (2011)
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4by Macotela, Edith L, Clilverd, Mark, Manninen, Jyrki, Moffat-Griffin, Tracy, Newnham, David A., Raita, Tero, Rodger, Craig J“..., and to geomagnetic activity variation during the declining phase of the solar cycle. Our results are important since...”
Published in Journal of Geophysical Research: Space Physics (2019)
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5by Verronen, Pekka T., Andersson, Monika E., Rodger, Craig J., Clilverd, Mark A., Wang, Shuhui, Turunen, Esa“... be used to model the EEP effects above 70 km during geomagnetic storms, without a need for significant...”
Published in Journal of Geophysical Research: Atmospheres (2013)
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6“... on geomagnetic activity levels, or position in the solar cycle, was found. All the FPIs have had different...”
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