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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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Page 1: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

Ionospheric investigations at Comandante Ferraz Brazilian

Antarctic Station

Emília Correia

INPE/CRAAM

Page 2: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

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

Page 3: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

• 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

Page 4: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

Ionospheric investigations

• Ionospheric C-region & VLF propagation

• Trimpi events

• Sun-Earth relations

• Geomagnetic storms

• Astrophysical detections

• Gravity and Planetary waves - VLF

Page 5: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

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.

Page 6: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

Trimpi events

Electron precipitation from the radiation belts

Oecologia Brasiliensis, 11: 23-28, 2007

Page 7: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

Sun-Earth relations

Solar Lyman-alpha

VLF amplitude

23 24

SC 23

Page 8: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

Geomagnetic storms - scintillations Ionospheric scintillations

Page 9: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

Astrophysical detections

Page 10: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

Planetary waves – VLF x SABER

Page 11: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

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

Page 12: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

Gravity waves - earthquake 24 August 2011 M7.0 EQ

D´Amico & Correia, 2018. In preparation

Page 13: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

EACF Actual state

Page 14: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

EACF on March 2018

VLF Lab

Meteorology Lab

Main station west bloc

Page 15: Ionospheric investigations at Comandante Ferraz Brazilian ... · 2012 2000 - VLF 2003 – VLF + GPS . 2009 – VLF + GPS + ionosonde + riometers . 2014 . 1986 – first winter . 2011

New EACF Conclusion on March 2019

THANK YOU


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