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ANGEO | Articles | Volume 37, issue 4
Ann. Geophys., 37, 561–579, 2019
https://doi.org/10.5194/angeo-37-561-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Ann. Geophys., 37, 561–579, 2019
https://doi.org/10.5194/angeo-37-561-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Regular paper 11 Jul 2019

Regular paper | 11 Jul 2019

GUMICS-4 analysis of interplanetary coronal mass ejection impact on Earth during low and typical Mach number solar winds

Antti Lakka et al.
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Cited articles  
Akasofu, S. I.: Energy coupling between the solar wind and the magnetosphere, Space Sci. Rev., 28, 121–190, https://doi.org/10.1007/BF00218810, 1981. a
Axford, W. I. and Hines, C. O.: A unifying theory of high-latitude geophysical phenomena and geomagnetic storms, Can. J. Phys., 39, 1433–1464, https://doi.org/10.1139/p61-172, 1961. a
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Burlaga, L., Sittler, E., Mariani, F., and Schwenn, R.: Magnetic loop behind an interplanetary shock: Voyager, Helios, and IMP 8 observations, J. Geophys. Res.-Space, 86, 6673–6684, https://doi.org/10.1029/JA086iA08p06673, 1981. a, b, c
De Zeeuw, D. L., Sazykin, S., Wolf, R. A., Gombosi, T. I., Ridley, A. J., and Tóth, G.: Coupling of a global MHD code and an inner magnetospheric model: Initial results, J. Geophys. Res.-Space, 109, a12219, https://doi.org/10.1029/2003JA010366, 2004. a
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We study how the Earth's space environment responds to two different amplitude interplanetary coronal mass ejection (ICME) events that occurred in 2012 and 2014 by using the GUMICS-4 global MHD model. We examine local and large-scale dynamics of the Earth's space environment and compare simulation results to in situ data. It is shown that during moderate driving simulation agrees well with the measurements; however, GMHD results should be interpreted cautiously during strong driving.
We study how the Earth's space environment responds to two different amplitude interplanetary...
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