@Article{KheraniPatr:2015:ThPe,
author = "Kherani, Esfhan Alam and Patra, A. K.",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {National
Atmospheric Research Laboratory}",
title = "Fringe field dynamics over equatorial and low-latitude ionosphere:
A three-dimensional perspective",
journal = "Journal of Geophysical Research: Space Physics",
year = "2015",
volume = "120",
number = "8",
pages = "6941--6947",
month = "Aug.",
keywords = "bubble simulation, collisional interchange instability,
ionosphere.",
abstract = "This paper presents a three-dimensional simulation of the
collisional interchange instability generating equatorial plasma
bubble (EPB) in the evening ionospheric F region and associated
fringe field (FF) in the valley-upper-E (VE) region. This
simulation is primarily intended to address hitherto unexplained
radar observations of ascending irregularity structures only in
the vicinity of the magnetic equator in association with the EPB
phenomenon. Novel results of the present simulation are the
following: (1) EPB-associated FF penetrating into the E region is
found to be confined to a latitude belt of ±5, (2) ascending
irregularity structures from the E region is formed only when
perturbation in plasma parameters similar to those responsible for
forming EPB are present in the VE region, and (3) perturbation in
the VE region provide conditions for the formation of ascending
irregularity structures on the eastern wall of the plasma bubble.
These results are in excellent agreement with radar observations
and also account for the presence of metallic ions in the EPB at
and above the F region peak.",
doi = "10.1002/2015JA021438",
url = "http://dx.doi.org/10.1002/2015JA021438",
issn = "2169-9402",
language = "en",
urlaccessdate = "27 abr. 2024"
}