Properties of Medium-Scale Traveling Ionospheric Disturbances Observed over Mexico during Quiet Solar Activity
Por:
Romero-Hernandez E., Salinas-Samaniego F., Jonah O.F., Aguilar-Rodriguez E., Rodriguez-Martinez M., da Silva Picanço G.A., Denardini C.M., Guerrero-Peña C.A., Aguirre-Gutierrez R., Garcia-Castillo F.A., Ayala S., Perez-Tijerina E., Sergeeva M.A., Gonzalez-Esparza J.A.
Publicada:
1 ene 2024
Resumen:
We present a statistical study of some physical properties of medium-scale traveling ionospheric disturbances (MSTIDs) registered over the Mexican territory during 2018 and 2019 (solar minimum). The analysis is based on total electron content ((Formula presented.)) approximations using data from the ground-based Global Navigation Satellite System (GNSS) receivers at different locations, divided into three regions according to geographic longitudes: west, center, and east. The MSTIDs were classified into day and night events, and only geomagnetically quiet days were considered to reduce the solar influence. We explored fundamental aspects of the MSTIDs, such as differences between day and night events, occurrence patterns, and geographical differences. Our results show some similarities with the occurrence periods of gravity waves, exhibiting high activity during summer and winter. For this period, however, most events occurred between 20:00 and 04:00 AM UT. The most energetic events, i.e., large amplitudes and power, occurred around the sunset terminator. This suggests that the density gradient generated when the sunlight falls benefits MSTID formation. © 2024 by the authors.
Filiaciones:
Romero-Hernandez E.:
LANCE, Facultad de Ciencias Físico Matemáticas, Universidad Autónoma de Nuevo León, Monterrey, C.P. 66451, Mexico
Salinas-Samaniego F.:
Centro de Investigación en Matemáticas, Unidad Monterrey, Monterrey, C.P. 66629, Mexico
Jonah O.F.:
SRI International Geospace Group, Menlo Park, 94025, CA, United States
Aguilar-Rodriguez E.:
LANCE, Instituto de Geofísica, Unidad Michoacán, Universidad Nacional Autónoma de México, Ciudad de México, C.P. 58089, Mexico
Rodriguez-Martinez M.:
Escuela Nacional de Estudios Superiores, Unidad Morelia, Universidad Nacional Autónoma de México, Ciudad de México, C.P. 58089, Mexico
da Silva Picanço G.A.:
Research and Development Institute, University of Vale of Paraíba (IPYD/UNIVAP), São José dos Campos, 12247-004, Brazil
Denardini C.M.:
Instituto Nacional de Pesquisas Espaciais, São José dos Campos, 12247-004, Brazil
Guerrero-Peña C.A.:
LANCE, Facultad de Ciencias Físico Matemáticas, Universidad Autónoma de Nuevo León, Monterrey, C.P. 66451, Mexico
Aguirre-Gutierrez R.:
LANCE, Facultad de Ciencias Físico Matemáticas, Universidad Autónoma de Nuevo León, Monterrey, C.P. 66451, Mexico
Garcia-Castillo F.A.:
LANCE, Facultad de Ciencias Físico Matemáticas, Universidad Autónoma de Nuevo León, Monterrey, C.P. 66451, Mexico
Ayala S.:
LANCE, Facultad de Ciencias Físico Matemáticas, Universidad Autónoma de Nuevo León, Monterrey, C.P. 66451, Mexico
Perez-Tijerina E.:
LANCE, Facultad de Ciencias Físico Matemáticas, Universidad Autónoma de Nuevo León, Monterrey, C.P. 66451, Mexico
Sergeeva M.A.:
LANCE, Instituto de Geofísica, Unidad Michoacán, Universidad Nacional Autónoma de México, Ciudad de México, C.P. 58089, Mexico
Gonzalez-Esparza J.A.:
LANCE, Instituto de Geofísica, Unidad Michoacán, Universidad Nacional Autónoma de México, Ciudad de México, C.P. 58089, Mexico
gold, All Open Access; Gold Open Access
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