Magnetic field maxima in the low latitude boundary layer | Zendy

Sonnerup B. | Zendy; Paschmann G. | Zendy; Phan T. D. | Zendy; Lühr H. | Zendy

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Magnetic field maxima in the low latitude boundary layer

Author(s) -

Sonnerup B.,

Paschmann G.,

Phan T. D.,

Lühr H.

Publication year - 1992

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/92gl01809

Subject(s) - magnetopause , geophysics , physics , boundary layer , latitude , magnetosphere , field (mathematics) , population , magnetosheath , maxima , curvature , magnetic field , computational physics , field line , atmospheric sciences , geology , geometry , mechanics , astronomy , art , demography , mathematics , quantum mechanics , sociology , performance art , pure mathematics , art history

The magnetic field often exhibits a maximum in the Earth's low‐latitude boundary layer. We show examples of this behavior, using data from the AMPTE/IRM spacecraft, and argue that two fundamentally distinct causes exist for the excess field: (i) a depression, within the layer, of the population of medium‐energy ions of magnetospheric origin; (ii) field curvature effects associated with undulations of the magnetopause itself.

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