The possible way of determining the plasmasphere parameters by the geomagnetic pulsations amplitude

Details The possible way of determining the plasmasphere parameters by the geomagnetic pulsations amplitude The possible way of determining the plasmasphere parameters by the geomagnetic pulsations amplitude

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jatp...38.1135n&link_type=abstract

(International Union of Radio Science and International Association of Geomagnetism and Aeronomy, Symposium on the Physics of th

Physics

Amplitude Distribution Analysis, Geomagnetic Pulsations, Magnetohydrodynamic Stability, Pulse Amplitude, Statistical Analysis, Cold Plasmas, Magnetic Effects, Magnetoacoustic Waves, Magnetohydrodynamic Waves, Meridional Flow, Plasma Density, Wave Propagation

Scientific paper

A statistical analysis of geomagnetic pulsations with periods between 10 and 200 s were carried out at a meridional network of stations in conditions of moderate geomagnetic activity. It was found that the midlatitude maximum, the subauroral maximum and the high latitude minimum are the inherent properties of the amplitude distribution of the geomagnetic pulsations along the meridional profile. The midlatitude maximum was located on the Alfven velocity minimum in the plasmasphere, while the subauroral minimum was located on the southern boundary of the region of the maximum gradient of the cold plasma density. It is shown possible to determine midlatitude maximum and subauroral minimum from the position of the propagation of magnetoacoustic-type disturbances in the magnetosphere.

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