Thermosphere

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

Graphic image 2D evolution of thermospheric ∑O/N2 response
Wednesday, September 16, 2020

We conduct observational and modeling studies of thermospheric composition responses to weak geomagnetic activity (non-geomagnetic storms). We found that the thermospheric O and N 2 column density ratio (∑O/N 2 ) in part of the Northern Hemisphere measured by

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

Graphic image depicting the comparison between the GOLD map and TEC2 map
Friday, August 28, 2020

The National Aeronautics and Space Administration (NASA) Global‐scale Observations of the Limb and Disk (GOLD) has been imaging the thermosphere and ionosphere since October 2018. It provides continuous measurements over a large area from its geostationary orbit.

Deepak Karan

Deepak Karan is a visiting postdoc at HAO/NCAR. He pursued his Ph.D. work at Physical Research Laboratory, Ahmedabad, India and received a degree in Physics from Indian Institute of Technology Gandhinagar, India.

Medium-scale thermosphere perturbations in the bottomside F region in tropical regions

Graphic image of global distribution of gravity wave activity
Saturday, July 1, 2017

Thermospheric gravity waves in the bottomside F region have been proposed to play a key role in the generation of equatorial plasma bubbles (EPB). However, direct observations of such waves have been lacking.

Medium-scale thermosphere perturbations in the bottomside F region in tropical regions

Graphic image of global distribution of gravity wave activity
Saturday, July 1, 2017

Thermospheric gravity waves in the bottomside F region have been proposed to play a key role in the generation of equatorial plasma bubbles (EPB). However, direct observations of such waves have been lacking.

Preliminary Evidence of Madden-Julian Oscillation Effects on Ultra-Fast Tropical Waves in the Thermosphere

Graphic image of altitude (50-260 km) versus MJO phase depiction
Wednesday, June 10, 2020

Over the past two decades mounting evidence demonstrated that terrestrial weather significantly influences the dynamics and mean state of the thermosphere.

Tingting Yu

Tingting Yu is a scientific visitor in the High Altitude Observatory of the National Center for Atmospheric Research hosted by Dr. Wenbin Wang. She is a Ph.D. student in the Institute of Geology and Geophysics, Chinese Academy of Sciences.

Haonan Wu

Haonan Wu is a visiting scientist in the High Altitude Observatory (HAO) at the National Center for Atmospheric Research (NCAR). Haonan graduated from the University of Science and Technology of China and obtained his BS degree in Space Physics in 2017. He joined Clemson University in Fall 2017.

Xuguang Cai

Xugang Cai is a postdoctoral fellow II in the High Altitude Observatory at NCAR. He is working on the investigation of the thermosphere and ionosphere by GOLD satellite and numerical models (TIEGCM).

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