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Publications
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
(Co) Author: Ma, S.-Y
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Wang, H.; Lühr, H.; Ma, S.-Y. (2012): The relation between subauroral polarization streams, westward ion fluxes, and zonal wind: Seasonal and hemispheric variations. Journal of Geophysical Research, 117, A4.
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Liu, R.; Ma, S.-Y.; Lühr, H. (2011): Predicting storm-time thermospheric mass density variations at CHAMP and GRACE altitudes. Annales Geophysicae, 29, 3, 443-453.
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Liu, R.; Lühr, H.; Doornbos, E.; Ma, S.-Y. (2010): Thermospheric mass density variations during geomagnetic storms and a prediction model based on the merging electric field. Annales Geophysicae, 28, 9, 1633-1645.
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Liu, R.; Lühr, H.; Ma, S.-Y. (2010): Storm-time related mass density anomalies in the polar cap as observed by CHAMP. Annales Geophysicae, 28, 1, 165-180.
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Wang, H.; Mao, D.-D.; Ma, S.-Y.; Lühr, H. (2010): Substorm time ionospheric field-aligned currents as observed by CHAMP. Chinese Journal of Geophysics-Chinese Edition, 53, 6, 1256-1262.
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Wang, H.; Lühr, H.; Ma, S.-Y.; Ridley, A.J. (2008): Substorm onset dynamics in the magnetotail as derived from joint TC-1 and Cluster data analysis. Earth Planets and Space, 60, 6, 613-621.
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Wang, H.; Lühr, H.; Ma, S.-Y. (2005): Solar zenith angle and merging electric field control of field-aligned currents: A statistical study of the southern hemisphere. Journal of Geophysical Research, 110, A3, A03306.
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Wang, H.; Lühr, H.; Ma, S.-Y.; Ritter, P. (2005): Statistical study of the substorm onset: its dependence on solar wind parameters and solar illumination. Annales Geophysicae, 23, 6, 2069-2079.
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Liu, H.; Ma, S.-Y.; Schlegel, K. (2001): Diurnal seasonal and geomagnetic variations of large field-aligned ion upflows in the high-latitude ionospheric F-region.. Journal of Geophysical Research, 106, A11, 24,651-24,662.
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Ma, S.-Y.; Cai, H.; Liu, H.; Schlegel, K. (2001): Positive storm effects in the dayside polar ionospheric F-region observed by EISCAT and ESR during the magnetic storm of the May 15, 1997.. Annales Geophysicae, 20, 9, 1377-1384.
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Liu, H.; Schlegel, K.; Ma, S.-Y. (2000): Combined ESR ans EISCAT observations of the dayside polar cap and auroral oval during the May 15, 1997 storm.. Annales Geophysicae, 18, 9, 1067-1072.
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Ma, S.-Y.; Liu, H.; Schlegel, K. (2001): A comparative Study of Magnetic Storm Effects on the Ionosphere in Both Polar Cap and the Auroral Oval (1)-F-region Negative Storm.. Chinese Journal of Geophysical, 45, 2, 154-163.
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