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Analysis of the green and red line volume emission rates from ICON-MIGHTI

Authors

Triplett,  Colin
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Harding,  Brian
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Wu,  Yen-Jung
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Englert,  Christoph
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Makela,  Jonathan
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

England,  Scott
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Immel,  Thomas
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Triplett, C., Harding, B., Wu, Y.-J., Englert, C., Makela, J., England, S., Immel, T. (2023): Analysis of the green and red line volume emission rates from ICON-MIGHTI, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4418


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021848
Abstract
The Michelson Interferometer for Global High-resolution Thermospheric Imaging (MIGHTI) onboard NASA’s Ionospheric Connection Explorer (ICON) uses observations of both the atomic oxygen green line (557.7 nm) and red line (630.0 nm) airglow emissions to measure wind velocities in the upper mesosphere/thermosphere between 90 and 300 km. Although not absolutely calibrated, the green and red volume emission rate (VER) profiles provide high-precision information on spatial and temporal variations within these airglow layers. With nearly three years of data, the airglow morphology and variability is analyzed to study times when the brightnesses of these airglow layers are much higher than their annual means. Locations, local times, and underlying wind structures at these brighter times are investigated to better understand these brightness anomalies.