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Sources of Traveling Ionospheric Disturbances over the Andes mountains

Grant number: 19/22548-4
Support type:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): October 01, 2021
Effective date (End): September 30, 2022
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geophysics
Principal Investigator:Cristiano Max Wrasse
Grantee:Cosme Alexandre Oliveira Barros Figueiredo
Supervisor abroad: Sharon L Vadas
Home Institution: Instituto Nacional de Pesquisas Espaciais (INPE). Ministério da Ciência, Tecnologia, Inovações e Comunicações (Brasil). São José dos Campos , SP, Brazil
Local de pesquisa : Northwest Research Associates, Boulder (NWRA), United States  
Associated to the scholarship:18/09066-8 - TRAVELLING IONOSPHERIC DISTURBANCES OBSERVED BY DETRENDED TOTAL ELECTRON CONTENT MAPS/KEOGRAM OVER ANDES MOUNTAINS, BP.PD

Abstract

Traveling Ionospheric Disturbances (TIDs) are fluctuations in the ionospheric plasma, influenced by gravity waves originated from several sources, e.g., convective storms, earthquakes, orography, auroral heating, and others. In South America, the sources of these TIDs were not investigated deeply and it has no previous study in this research line. Therefore, the project proposes to investigate TIDs sources in the Andes Mountains. To do this, we will use the ray tracing technique and investigate where these TIDs are originating, e.g., orographic and/or convective storms, and how they propagate vertically in the atmosphere.