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dc.contributor.author Seemala, G. K.
dc.contributor.author Valladares, C. E.
dc.date.accessioned 2018-11-07T16:38:18Z
dc.date.available 2018-11-07T16:38:18Z
dc.date.issued 2011-10-29
dc.identifier.citation Seemala, G. K., & Valladares, C. E. (2011). Statistics of total electron content depletions observed over the South American continent for the year 2008.==$Radio science, 46$==(5), RS5019. https://doi.org/10.1029/2011RS004722 es_ES
dc.identifier.uri http://hdl.handle.net/20.500.12816/3391
dc.description.abstract This paper presents for the first time regional plots of total electron content (TEC) depletions derived from GPS observations over the South American continent with a coverage of over 45° longitude (i.e., 35°W to 80°W). We introduce a new numerical algorithm that has been developed to automatically detect TEC bite‐outs that are produced by the transit of equatorial plasma bubbles. This algorithm was applied to TEC values measured by the Low Latitude Ionospheric Sensor Network (LISN) and by receivers that belong to 3 other networks that exist in South America. The general characteristics of the TEC depletions are provided along with their temporal length, local time distribution and depletion depth. The regional day‐to‐day and seasonal variability of the TEC depletions are also presented for 2008, a year of low solar activity. The regional day‐to‐day variability of TEC depletions is highly dynamic, but their seasonal distributions follow the longitudinal characteristics of plasma bubbles presented by other authors. During the equinoxes, TEC depletions are mainly observed on the west coast of South America, and during the December solstice they mostly occur on the east side of the continent. However, in all seasons, we observe days when depletions extend all over the continent. We place these new results in the context of theories of plasma bubble seeding. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union es_ES
dc.relation.ispartof urn:issn:0048-6604
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject TEC depletions es_ES
dc.subject Equatorial Spread F es_ES
dc.subject Equatorial ionosphere es_ES
dc.subject Plasma bubbles es_ES
dc.subject Total electron content es_ES
dc.title Statistics of total electron content depletions observed over the South American continent for the year 2008 es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Radio science es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1029/2011RS004722 es_ES

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