GUVI limb observations
May 18, 2023

Hemispheric Asymmetry of the Annual and Semiannual Variation of Thermospheric Composition

STDs of neutral zonal wind computed from WACCM-X ensembles
Mar 28, 2023

Effects of Forcing Uncertainties on the Thermospheric and Ionospheric states during geomagnetic storm and quiet periods

Four colorful graphs
Jan 11, 2023

Understanding nighttime ionospheric depletions associated with sudden stratospheric warmings in the American sector

WACCMX+DART analysis
Dec 15, 2022

The Impact of Assimilating COSMIC-2 Observations of Electron Density in WACCMX

DW1 advected H2O volume mixing ratio
Oct 19, 2022

A Lagrangian Study of Tidal Advection of Mesospheric Water Vapor

summation of growth rates of the upper hybrid instability for a variety of wavelengths
Oct 13, 2022

The photoelectron driven upper hybrid instability as the cause of 150 km echoes

Lower-atmosphere processes in the ionosphere-thermosphere
Sep 16, 2022

Scientific Motivations and Future Directions of Whole Atmosphere Modeling

Left: Specified Dynamics Whole Atmosphere Community Climate Model with thermosphere-ionosphere eXtension (SD-WACCMX) Lagrangian coherent structures (LCSs) for a space shuttle launch during (a) spring and (b) summer. Right: Observations of GUVI Lyman-alpha column emission rates in Rayleighs reprinted from Meier et al. (2011) and annotated with the LCS locations.
Jul 11, 2022

Lower thermospheric material transport via Lagrangian coherent structures

Comparisons of local time structure of molecular oxygen at 21°N, 170 km altitude
Jul 11, 2022

The Molecular Oxygen Density Structure of the Lower Thermosphere as Seen by GOLD and Models

Longitude-latitude maps of NmF2 from the NR (first column) and the difference of NmF2 between OSSEs and NR (second to fourth columns) at six different times.
Mar 3, 2022

Impact of Thermospheric Wind Data Assimilation on Ionospheric Electrodynamics using a Coupled Whole Atmosphere Data Assimilation System

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