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authFullName_s : S. Y. Ma
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Interhemispheric comparison of average substorm onset locations: evidence for deviation from conjugacy

H. Wang , H. Lühr , S. Y. Ma , H. U. Frey
Annales Geophysicae, 2007, 25 (4), pp.989-999
Journal articles hal-00318313v1
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Statistical study of the substorm onset: its dependence on solar wind parameters and solar illumination

H. Wang , H. Lühr , S. Y. Ma , P. Ritter
Annales Geophysicae, 2005, 23 (6), pp.2069-2079
Journal articles hal-00317852v1
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Global manifestations of a substorm onset observed by a multi-satellite and ground station network

H. Wang , S. Y. Ma , H. Lühr , Z. X. Liu , Z. Y. Pu , et al.
Annales Geophysicae, 2006, 24 (12), pp.3491-3496
Journal articles hal-00330105v1
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Case studies of the propagation characteristics of auroral TIDS with EISCAT CP2 data using maximum entropy cross-spectral analysis

S. Y. Ma , K. Schlegel , J. S. Xu
Annales Geophysicae, 1998, 16 (2), pp.161-167
Journal articles hal-00316357v1
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Cusp observations during a sequence of fast IMF BZ reversals

H. T. Cai , I. W. Mccrea , M.W. Dunlop , J. A. Davies , Y. V. Bogdanova , et al.
Annales Geophysicae, 2009, 27 (7), pp.2721-2737. ⟨10.5194/angeo-27-2721-2009⟩
Journal articles insu-00365924v1
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Climatological features of electron density in the polar ionosphere from long-term observations of EISCAT/ESR radar

H. T. Cai , S. Y. Ma , Y. Fan , Y. C. Liu , K. Schlegel
Annales Geophysicae, 2008, 25 (12), pp.2561-2569
Journal articles hal-00318421v1
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Field-aligned currents observed by CHAMP during the intense 2003 geomagnetic storm events

H. Wang , H. Lühr , S. Y. Ma , J. Weygand , R. M. Skoug , et al.
Annales Geophysicae, 2006, 24 (1), pp.311-324
Journal articles hal-00317936v1
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Positive storm effects in the dayside polar ionospheric F-region observed by EISCAT and ESR during the magnetic storm of 15 May 1997

S. Y. Ma , H. T. Cai , H. X. Liu , K. Schlegel , G. Lu
Annales Geophysicae, 2002, 20 (9), pp.1377-1384
Journal articles hal-00317136v1