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Observations of Ion-Neutral Coupling using the HODI FPI and EISCAT Svalbard Radar
AGU 2024
spa-aeronomy | 11 december 2024
Lara Tunca, Lindsay V. Goodwin, Matthew B. Cooper,...
Coupling events between the ionosphere and thermosphere over Svalbard, Norway are isolated and used to study connections between geomagnetic condition...
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Investigating Thermospheric Neutral Winds and Temperature from a Fabry-Perot Interferometer and 630.0 nm Airglow Structures from a Co-located All-sky Imager at El Leoncito Observatory (31.8o S, 69.3o W)
AGU 2024
spa-aeronomy | 11 december 2024
Carlos R. Martinis, Luis Navarro, John W. Meriweth...
A Fabry-Perot Interferometer (FPI) installed at El Leoncito Observatory, Argentina (31.8o S, 69.3o W, 18o mag lat) provides neutral winds and temperat...
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Thermosphere disturbance effects during the 10-11 May 2024 geomagnetic storm over the South American sector
AGU 2024
spa-aeronomy | 11 december 2024
Luis Navarro, Bela G. Fejer, John W. Meriwether, C...
Thermosphere dynamics exhibits large departures from its regular circulation patterns during period of enhanced geomagnetic activity. These perturbati...
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Short Wave InfraRed Imaging Measurements of the He 1083 nm Aurora and Airglow and the Meinel 0-0 Band Auroral Intensity and Rotational Temperature
AGU 2024
spa-aeronomy | 10 december 2024
John W. Meriwether, Matthew B. Cooper, Andrew J. G...
The role of Alfven waves in producing auroral emissions is poorly understood. One approach first described in the literature by Hunten (1963) is the i...
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Thermospheric Vertical Winds in Subauroral Latitudes
MIDDLE-LATITUDE AND SUBAURORAL AERONOMY I ORAL
spa-aeronomy | 14 december 2023
John W. Meriwether, Andrew J. Gerrard, Matthew B. ...
A 15 cm imaging narrow field Fabry Perot interferometer (designated as the Hot Oxygen Doppler Imager HODI ) was operated during the summer months of ...
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Thermospheric dynamics studies using the Fabry-Perot Inteferometer network in Western South America
COMPOSITION, WIND, AND TEMPERATURE VARIABILITY IN THE MESOSPHERE AND IONOSPHERE/THERMOSPHERE I ORAL
spa-aeronomy | 13 december 2023
Luis Navarro, Carlos R. Martinis, John W. Meriweth...
The ionosphere and themosphere dynamics within the Western South American (WSA) region, between ~70-75 W and extending from ~35°S to 5°S, is...
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Understanding Strong Neutral Vertical Winds and Ionospheric Responses to the 2015 St. Patrick's Day Storm Using TIEGCM Driven by Data‐Assimilated Aurora and Electric Fields
SPACE WEATHER
13 february 2023
Xian Lu, Stephen R. Kaeppler, Jintai Li, John W. M...
As one of the strongest geomagnetic storms in Solar Cycle 24, the 2015 St. Patrick's Day storm has attracted significant attention. We revisit this...
Thermospheric Wind Dynamics over American Low-latitude and their Plausible Effects on Ionospheric Irregularities
COMPOSITION, WIND, AND TEMPERATURE VARIABILITY IN THE MESOSPHERE AND IONOSPHERE/THERMOSPHERE VI POSTER
spa-aeronomy | 15 december 2022
Sovit Khadka, Andrew J. Gerrard, Mariangel Fedrizz...
Most of the upper atmospheric processes are strongly influenced by thermospheric winds via coupling and transport of plasma and neutrals. In this stud...
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