Climatology of Geomagnetic Storm-Induced Disturbance Winds in the Nighttime Upper Thermosphere Measured by Ground-Based Fabry-Perot Interferometers in the Northern and Southern Hemispheres

Details Climatology of Geomagnetic Storm-Induced Disturbance Winds in the Nighttime Upper Thermosphere Measured by Ground-Based Fabry-Perot Interferometers in the Northern and Southern Hemispheres Climatology of Geomagnetic Storm-Induced Disturbance Winds in the Nighttime Upper Thermosphere Measured by Ground-Based Fabry-Perot Interferometers in the Northern and Southern Hemispheres

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsa13b0280e&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SA13B-0280

Other

0358 Thermosphere: Energy Deposition (3369), 2427 Ionosphere/Atmosphere Interactions (0335), 3309 Climatology (1616, 1620, 3305, 4215, 8408), 3369 Thermospheric Dynamics (0358)

Scientific paper

Neutral winds are a key component of the ionosphere-thermosphere system, and characterizing their systematic response to geospace storm events is essential for interpreting the response of other IT components. We analyze ground-based Fabry-Perot interferometer observations of upper thermospheric (~250 km) horizontal winds derived from Doppler shifts in the 630.0 nm (red line) nightglow. After subtracting out the background quiet-time wind patterns, we examine the residual nighttime perturbation winds as a function of magnetic activity, interplanetary magnetic field, local time and latitude, solar activity, and season. We compare these patterns with those obtained from similar analysis of spaced-based wind measurements.

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