Wenbin Wang | High Altitude Observatory

Investigation of the Post-Sunset Extra Electron Density Peak Poleward of the Equatorial Ionization Anomaly Southern Crest

Latitude-longitude distribution and NmF2 simulation

Neutral composition and temperature responses to the 20-21 November 2003 Superstorm from GUVI dayside limb measurements

Altitudinal and Latitudinal Images

Penetrating Electric Field Simulated by the MAGE and Comparison with ICON Observation

6 blue earth images showing the progression of nightside vertical ion drift

The effects of IMF By on the middle thermosphere during a geomagnetically “quiet” period at solar minimum

The polar view of the percentage difference of simulated ∑O/N2 and GOLD observed ∑O/N2 between DOY 111 and 110 at 15:10 UT in 2019. The perimeter latitude is 30°N

NASA Features Research by HAO Scientist Xuguang Cai

Data from NASA’s Global-scale Observations of the Limb and Disk, or GOLD, mission reveals the twin bands of charged particles that persist near the equator at night

HIWIND Observation of Summer Season Polar Cap Thermospheric Winds

HIWIND thermospheric winds

Responses of the Thermosphere and Ionosphere System to Concurrent Solar Flares and Geomagnetic Storms

The simulated vertical E x B drift velocity (Wi), and the changes of the vertical drift velocity due to the flares, at 300 km and12:00 LT (September 6th – September 11th, 2017)

Comparison of GOLD nighttime measurements with total electron content: preliminary results

The comparison between the GOLD map and TEC2 map on DOY 72 in 2019 23:10-23:40 (top) and 23:55-24:25 (bottom)

The 2‐D Evolution of Thermospheric ∑O/N2 Response to Weak Geomagnetic Activity During Solar‐Minimum Observed by GOLD

(top) The Kp and Dst index of three cases (DOY 145 to 148; DOY 153 to 156; DOY 162 to 165); (middle) latitude-longitude distribution of ∑O/N2 percentage difference between two quiet days in three cases; (bottom) percentage difference of ∑O/N2 between disturbed and quiet days in three cases. Corresponding local time is marked on longitude interval

Formation of Double Tongues of Ionization During the 17 March 2013 Geomagnetic Storm

Polar maps of the simulated electron density at pressure level 2 (~300 km) in the Northern Hemisphere as a function of geographic latitude and local time on 17 March 2013

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