Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS...
Transcript of Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS...
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Ionospheric investigations at Comandante Ferraz Brazilian
Antarctic Station
Emília Correia
INPE/CRAAM
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Time line Dr Liliana Rizzo Piazza In memorian 1943-2018
1982/1983 - VLF
1984 - VLF
2012
2000 - VLF
2003 – VLF + GPS
2009 – VLF + GPS + ionosonde + riometers
2014
1986 – first winter
2011
Dr Pierre Kaufmann In memorian-1938-2017
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• 1982-1983 - MOB- VLF - Barao de Teffe. SECIRM. PI: Dr Liliana Rizzo Piazza (INPE-CRAAM)
• 1984-2002 - FIX-VLF. SECIRM. PI: Dr Liliana Rizzo Piazza (INPE-CRAAM)
• 2003-2005 - NOVOS DIAGNOSTICOS DE ANOMALIAS NO MEIO GEOESPACIAL E SEUS EFEITOS NA ATMOSFERA TERRESTRE GLOBAL. CNPq/PROANTAR. PI: Dr Liliana Rizzo Piazza (INPE-CRAAM)
• 2006 - 2010 - Impacto do clima espacial na atmosfera da região polar e sobre o território brasileiro. CNPq/PROANTAR. PI: Dr Emilia Correia (INPE-CRAAM)
• 2007-2011 - Estudo da Mesosfera, estratosfera e Troposfera Antártica e suas conexões com a América do Sul. CNPq/PROANTAR. PI: Dr Neusa Paes Leme (INPE-CRAAM)
• 2009 - 2014 - Monitoramento da alta atmosfera na região Antártica e na América do Sul. CNPq/PROANTAR. PI: Dr Emilia Correia (INPE-CRAAM)
• 2009 - 2017 - INSTITUTO NACIONAL DE CIÊNCIA E TECNOLOGIA ANTÁRTICO DE PESQUISAS AMBIENTAIS _ INCT-APA. PI: DR Yocie Valentin (UFRJ). Atividade: Atmosfera Antártica e os Impactos Ambientais na América do Sul. CNPq/PROANTAR. PI: Dr Neusa Paes Leme (INPE-CRAAM)
• 2013 – 2018 - Caracterização da dinâmica da ionosfera na região Antártica e sua conexão com a América do Sul: interação com o geoespaço e acoplamento com as demais camadas da atmosfera. CNPq/PROANTAR. PI: Dr Emilia Correia (INPE-CRAAM)
Projects
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Ionospheric investigations
• Ionospheric C-region & VLF propagation
• Trimpi events
• Sun-Earth relations
• Geomagnetic storms
• Astrophysical detections
• Gravity and Planetary waves - VLF
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First scientific results • Ionospheric C-region and VLF propagation
KAUFMANN, P. ; PIAZZA, L. R. ou RIZZO PIAZZA, L. ; LEME, P. ; M, N. Survey Of Vlf Omega Transmissions Received During Summer At Antarctic Peninsula. MEM. NATIONAL INSTITUTE FOR POLAR RESEARCH, v. 38, p. 106-111, 1985.
COSTA, M. ; PIAZZA, L. R. ou RIZZO PIAZZA, L. . Pca Effects On A Transantarctic Vlf Propagation Path. MEM. NATIONAL INST. POLAR RESEARCH, p. 293-312, 1987.
PIAZZA, L. R. ou RIZZO PIAZZA, L.; COSTA, M. ; KUNTZ, V. L. R. ; LEME, P. ; M, N. ; MOURA, M. ; S, M. S. . Results On Vlf Long Distance Propagation Received At Brazil And At Antarctic Peninsula. PROC. WORKSHOP ON RADIO PROPAGATION RESEARCH AND APPLICATIONS, p. 107-124, 1987.
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Trimpi events
Electron precipitation from the radiation belts
Oecologia Brasiliensis, 11: 23-28, 2007
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Sun-Earth relations
Solar Lyman-alpha
VLF amplitude
23 24
SC 23
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Geomagnetic storms - scintillations Ionospheric scintillations
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Astrophysical detections
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Planetary waves – VLF x SABER
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Gravity waves – VLF
Date GW Period (min)
18/08/07 05:50-05:59 UT
13.14±0.2
Bageston, 2010
VLF - paths Raunheitte & Correia, 2018. in preparation
Wu et al., 2002
NAA-path
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Gravity waves - earthquake 24 August 2011 M7.0 EQ
D´Amico & Correia, 2018. In preparation
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EACF Actual state
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EACF on March 2018
VLF Lab
Meteorology Lab
Main station west bloc
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New EACF Conclusion on March 2019
THANK YOU