A three-dimensional time-dependent model of the polar wind

Details A three-dimensional time-dependent model of the polar wind A three-dimensional time-dependent model of the polar wind

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....94.8973s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 94, July 1, 1989, p. 8973-8991.

Physics

77

Geomagnetism, Magnetospheric Ion Density, Polar Regions, Solar Terrestrial Interactions, Solar Wind, Hydrogen Ions, Magnetospheric Instability, Oxygen Ions, Space Plasmas, Three Dimensional Models

Scientific paper

A time-dependent three-dimensional multiion model of the polar wind was developed, which covers the altitude range of from 120 to 9000 km and takes into account supersonic ion outflow, shock formation, and ion energization during plasma expansion events. The model was used to study the temporal response of global polar wind to changing magnetospheric conditions, for the winter solstice and for solar-minimum conditions in the northern polar region. Graphs illustrating temporal changes with changes in T(e), T(i), and T(n) along the dawn, the trough, and the dusk convection trajectories and in the O(+), O, and H densities along the same convection trajectories are presented together with conntours of the H(+) and the O(+) densities along the three convection trajectories.

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