Stanley Solomon

SPACE STORMS IN THE UPPER ATMOSPHERE AND IONOSPHERE

Photographic image of Stan Solomon

Stan Solomon presented a NCAR Explorer Series lecture about how the aurora is formed and varies with the solar wind driver. In this public outreach lecture Stan delves into the physics and chemistry of the ionosphere.

Global-scale Measurements of the Limb and Disk (GOLD) Mission Implementation: Instrument Design and Early Flight Performance

Schematic of the sectional view of a GOLD spectroscopic imaging channel
Tuesday, May 12, 2020

The Global-scale Observations of the Limb and Disk (GOLD) is a NASA mission of opportunity designed to study how the Earth’s ionosphere-thermosphere system responds to geomagnetic storms, solar radiation and upward propagating tides on time scales as short as 30 minutes.

Upper atmosphere radiance data assimilation: A feasibility study for GOLD far ultraviolet observations

Graph depicting accuracy of temperature estimates
Tuesday, January 7, 2020

Availability of far ultraviolet observations of Earth’s dayglow by the NASA Global-scale Observations of the Limb and Disk (GOLD) mission presents an unparalleled opportunity for upper atmosphere radiance data assimilation.

Global-scale Observations of the Equatorial Ionization Anomaly

GOLD image of the daytime airglow and the equatorial ionization anomaly (EIA)
Monday, August 5, 2019

The NASA Global-scale Observations of the Limb and Disk (GOLD) ultraviolet spectrograph began imaging the Equatorial Ionization Anomaly (EIA), regions of the ionosphere with enhanced electron density north and south of the magnetic equator, in October 2018.

MinXSS CubeSat Mission Overview: Improvements from the Successful MinXSS-1 Mission

Photograph of the MinXSS-2 spacecraft
Monday, July 15, 2019

The second Miniature X-ray Solar Spectrometer (MinXSS-2) CubeSat builds on the success of MinXSS-1. The science instrument is more advanced – now capable of greater dynamic range with higher energy resolution.

Whole Atmosphere Climate Change: Dependence on Solar Activity

Graph of global simulations
Thursday, May 9, 2019

Solomon and colleagues conducted global simulations of temperature change due to emissions of trace gases due to human activity, that extended from the surface, throughout the atmosphere, to space.

A theoretical study of the responses of mesosphere and lower thermosphere (MLT) winds to geomagnetic storms at middle latitudes

Differences of meridional acceleration terms
Friday, May 3, 2019

In a recent work, we found that, in the mesosphere and lower thermosphere (MLT) region at middle latitudes, adiabatic heating/cooling and vertical heat advection, both associated with vertical wind changes, are the dominant processes that determine the temperature responses to storms.

Validation of Ionospheric Specifications During Geomagnetic Storms: TEC and foF2 during the 2013 March Storm Event

Multiple scatter plots of Geomagnetic storms
Wednesday, March 6, 2019

To address challenges of assessing capabilities of space weather modeling, the CCMC (Community Coordinated Modeling Center) is leading a newly established “International Forum for Space Weather Modeling Capabilities Assessment.”

Space Weather Modeling Capabilities Assessment: Neutral Density and Orbit Determination at LEO

Graph depicting TIE-GCM density ratios computed with 2007 CHAMP data
Monday, February 25, 2019

The specification and prediction of density changes in the thermosphere is a key challenge for space weather observations and modeling, because it is one result of complex interactions between the Sun and the terrestrial atmosphere, and also because it is of operational importance for tracking ob

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