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Earth–directed coronal mass ejections and their geoeffectiveness during the 2007–2010 interval

Published online by Cambridge University Press:  05 July 2012

Constantin Oprea ,
Marilena Mierla  and
Georgeta Maris
Constantin Oprea
Affiliation:
Institute of Geodynamics of the Romanian Academy, RO–020032, Bucharest, Romania email: [email protected]
Marilena Mierla
Affiliation:
Institute of Geodynamics of the Romanian Academy, RO–020032, Bucharest, Romania email: [email protected] Royal Observatory of Belgium, Brussels, Belgium Research Centre for Atomic Physics and Astrophysics, Faculty of Physics, University of Bucharest, Romania
Georgeta Maris
Affiliation:
Institute of Geodynamics of the Romanian Academy, RO–020032, Bucharest, Romania email: [email protected]
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Abstract

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In this study we analyse the coronal mass ejections (CMEs) directed towards the Earth during the interval 2007–2010, using the data acquired by STEREO mission and those provided by SOHO, ACE and geomagnetic stations. A study of CMEs kinematics is performed. This is correlated with CMEs interplanetary manifestations and their geomagnetic effects, along with the energy transfer flux into magnetosphere (the Akasofu coupling function). The chosen interval that is practically coincident with the last solar minimum, offered us a good opportunity to link and analyse the chain of phenomena from the Sun to the terrestrial magnetosphere in an attempt to better understand the solar and heliospheric processes that can cause major geomagnetic storms.

Keywords

Sun: coronal mass ejections (CMEs)(Sun:) solar-terrestrial relations
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S286: Comparative Magnetic Minima: Characterizing quiet times in the Sun and Stars , October 2011 , pp. 242 - 245
Copyright
Copyright © International Astronomical Union 2012

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