Statistics – Computation
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....9410039z&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 94, Aug. 1, 1989, p. 10039-10045.
Statistics
Computation
2
Daytime, Earth Magnetosphere, Geomagnetism, Space Plasmas, Ampte (Satellites), Magnetopause, Perturbation Theory, Plasma Pressure, Solar Wind
Scientific paper
A method is presented of computing the dayside global earth magnetic field which is in equilibrium with the plasma pressure, based on satellite observations at a local region of the magnetosphere. The method, which utilizes a perturbation around a dipole magnetic field, involves computation of the global plasma pressure profile based on the equatorial (anisotropic) pressure data, derivation of the current profile which satisfies the equilibrium condition, and computation of the magnetic field using the current profile and the boundary current produced by the solar wind. The method is applied for the Active Magnetospheric Particle Tracer Explorers data, and the result of the computation is found to compare reasonably well with the observed magnetic field profile near the geomagnetic equator.
Hasegawa Akira
Zavriyev Anton
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