Ground-based infrastructure for improved space weather specification at low latitudes
Résumé
Much of what is known about equatorial
ionospheric physics is based on
observations of the incoherent scatter and
the MST/coherent radar (JULIA) at
Jicamarca, Peru [e.g., Chau et al., 2012].
Jicamarca is located in the American sector,
where there is a fairly large excursion
between the geomagnetic and geodetic
equator due to the dip of the geomagnetic
equator. However, equatorial ionospheric
phenomena, such as equatorial spread
F/equatorial plasma bubbles (EPBs), the
equatorial electrojet, the strength of the prereversal enhancement (PRE), the dynamo
efficiency, and the behavior of thermospheric
winds and tides, are all in some way
influenced by the regional geomagnetic field,
its declination, and the proximity of the
magnetic to the geographic equator, all of
which vary as a function of longitude.
Domaines
Planète et Univers [physics]Origine | Fichiers produits par l'(les) auteur(s) |
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