GUVI

Global UltraViolet Imager

GUVI Biblio



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Found 5 entries in the Bibliography.


Showing entries from 1 through 5


2016

Hemispheric differences in the response of the upper atmosphere to the August 2011 geomagnetic storm: A simulation study

Using a three-dimensional nonhydrostatic general circulation model, we investigate the response of the thermosphere–ionosphere system to the 5–6 August 2011 major geomagnetic

Yi\ugit, Erdal; Frey, Harald; Moldwin, Mark; Immel, Thomas; Ridley, Aaron;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on:

YEAR: 2016     DOI: 10.1016/j.jastp.2015.10.002

2012

Importance of capturing heliospheric variability for studies of thermospheric vertical winds

Using the Global Ionosphere Thermosphere Model with observed real-time heliospheric input data, the magnitude and variability of thermospheric neutral vertical winds are investigated. In order to determine the role of variability in the Interplanetary Magnetic Field (IMF) and solar wind density on the neutral wind variability, the heliospheric input data are smoothed. The effects of smoothing the IMF and solar wind and density on the vertical winds are simulated for the cases of no smoothing, 5-minute, and 12-minute smoot ...

Erdal, Yi\u; Ridley, Aaron; Moldwin, Mark;

Published by: Journal of Geophysical Research      Published on: 07/2012

YEAR: 2012     DOI: 10.1029/2012JA017596

gravity waves; interplanetary magnetic field; Joule heating; magnetosphere-ionosphere-thermosphere coupling; nonhydrostatic general circulation model; vertical wind variability

Longitudinal differences of ionospheric vertical density distribution and equatorial electrodynamics

Accurate estimation of global vertical distribution of ionospheric and plasmaspheric density as a function of local time, season, and magnetic activity is required to improve the operation of space-based navigation and communication systems. The vertical density distribution, especially at low and equatorial latitudes, is governed by the equatorial electrodynamics that produces a vertical driving force. The vertical structure of the equatorial density distribution can be observed by using tomographic reconstruction techni ...

Yizengaw, E.; Zesta, E.; Moldwin, M.; Damtie, B.; Mebrahtu, A.; Valladares, C.; Pfaff, R.;

Published by: Journal of Geophysical Research      Published on: 07/2012

YEAR: 2012     DOI: 10.1029/2011JA017454

Tomography; vertical drift

2010

On the causes of plasmaspheric rotation variability: IMAGE EUV observations

Galvan, David; Moldwin, Mark; Sandel, Bill; Crowley, Geoff;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2010     DOI:

2008

Multi-instrument observations of the ionospheric and plasmaspheric density structure

Yizengaw, E; Moldwin, MB;

Published by:       Published on:

YEAR: 2008     DOI:



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