GUVI

Global UltraViolet Imager

GUVI Biblio





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Found 46 entries in the Bibliography.


Showing entries from 1 through 46


2020

Thermospheric composition O/N response to an altered meridional mean circulation during sudden stratospheric warmings observed by GOLD

Oberheide, J; Pedatella, NM; Gan, Q; Kumari, K; Burns, AG; Eastes, RW;

Published by: Geophysical Research Letters      Published on:

YEAR: 2020     DOI:

2019

The Low-Latitude Ionosphere/Thermosphere Enhancements in Density (LLITED) Mission

Bishop, Rebecca; Walterscheid, Richard; Clemmons, James; Barjatya, Aroh; Gunter, Liam;

Published by:       Published on:

YEAR: 2019     DOI:

2018

Observations of Spatial Variations in O/N 2 During an Auroral Substorm Using the Multichannel Downlooking Camera on the VISIONS Rocket

At 0821 UT on 7 February 2013, during an auroral substorm, the NASA VISIONS rocket was launched northward from Poker Flat Research Range on a flight to approximately 750-km altitude that terminated in the Arctic Ocean. A subpayload jettisoned on the up leg carried a multichannel optical imager that looked downward and observed the auroral emission through four narrow passband filters. Three of the channels had sufficiently strong signal to allow a measure of the time evolution of the horizontal extent of the electron auro ...

Hecht, J.; Clemmons, J.; Conde, M.; Hampton, D.; Michell, R.; Rowland, D.; Pfaff, R.; Walterscheid, R.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 07/2018

YEAR: 2018     DOI: 10.1029/2018JA025288

Scientific Ballooning for Imaging Earth's Aurora under the Sun

Zhou, Xiaoyan; Rafol, SB; Hampton, Donald; He, Yutao; Lummerzheim, Dirk; Michell, Robert;

Published by:       Published on:

YEAR: 2018     DOI:

2017

The Global-Scale Observations of the Limb and Disk (GOLD) Mission

The Earth\textquoterights thermosphere and ionosphere constitute a dynamic system that varies daily in response to energy inputs from above and from below. This system can exhibit a significant response within an hour to changes in those inputs, as plasma and fluid processes compete to control its temperature, composition, and structure. Within this system, short wavelength solar radiation and charged particles from the magnetosphere deposit energy, and waves propagating from the lower atmosphere dissipate. Understand ...

Eastes, R.; McClintock, W.; Burns, A.; Anderson, D.; Andersson, L.; Codrescu, M.; Correira, J.; Daniell, R.; England, S.; Evans, J.; Harvey, J.; Krywonos, A.; Lumpe, J.; Richmond, A.; Rusch, D.; Siegmund, O.; Solomon, S.; Strickland, D.; Woods, T.; Aksnes, A.; Budzien, S.; Dymond, K.; Eparvier, F.; Martinis, C.; Oberheide, J.;

Published by: Space Science Reviews      Published on: 10/2017

YEAR: 2017     DOI: 10.1007/s11214-017-0392-2

Ionospheric-thermospheric UV tomography: 3. A multisensor technique for creating full-orbit reconstructions of atmospheric UV emission

We present the Volume Emission Rate Tomography (VERT) technique for inverting satellite-based, multisensor limb and nadir measurements of atmospheric ultraviolet emission to create whole-orbit reconstructions of atmospheric volume emission rate. The VERT approach is more general than previous ionospheric tomography methods because it can reconstruct the volume emission rate field irrespective of the particular excitation mechanisms (e.g., radiative recombination, photoelectron impact excitation, and energetic particle pre ...

Hei, Matthew; Budzien, Scott; Dymond, Kenneth; Nicholas, Andrew; Paxton, Larry; Schaefer, Robert; Groves, Keith;

Published by: Radio Science      Published on: 07/2017

YEAR: 2017     DOI: 10.1002/2015RS005887

On the need for Artificial Intelligence and Advanced Test and Evaluation Methods for Space Exploration.

Scheidt, DH; Hibbitts, CA; Chen, MH; Bekker, DL; Paxton, LJ; , others;

Published by:       Published on:

YEAR: 2017     DOI:

Tidal and Ionospheric Contributions in GUVI O/N2 wave-4 Signals and Implications for F-region Plasma Density Variability

Oberheide, Jens; Krier, Christopher; Gan, Quan; Nischal, Nirmal; Zhang, Yongliang; Chang, Loren;

Published by:       Published on:

YEAR: 2017     DOI:

2016

DYNAMIC: A Decadal Survey and NASA Roadmap Mission

Paxton, Larry; Oberheide, Jens;

Published by:       Published on:

YEAR: 2016     DOI:

2015

SSULI/SSUSI UV tomographic images of large-scale plasma structuring

Hei, Matthew; Budzien, Scott; Dymond, Kenneth; Paxton, Larry; Schaefer, Robert; Groves, Keith;

Published by:       Published on:

YEAR: 2015     DOI:

Thermal cell structures in the high-latitude thermosphere induced by ion drag

Walterscheid, RL; Crowley, G;

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

YEAR: 2015     DOI:

2014

Predictions of HF system performance for propagation through disturbed ionospheres measured using low-Earth-orbit satellite radio beacon tomography

The CERTO radio beacon on the C/NOFS satellite sends VHF/UHF radio signals at 150 and 400 MHz to provide measurements of integrated electron density or Total Electron Content (TEC) by an east-west chain of ground receivers in Peru. Computerized Ionospheric Tomography (CIT) is used to convert the TEC data into two-dimensional images of electron densities with maximum 5 \texttimes 5 km resolution in Longitude-Altitude space. These images are updated every 95 min as the C/NOFS satellite passes over the receiver network in it ...

Bernhardt, Paul; Hei, Matthew; Siefring, Carl; Wilkens, Matthew;

Published by: Radio Science      Published on: 07/2014

YEAR: 2014     DOI: 10.1002/2014RS005409

HF communications; HF radar; radio beacon tomography

2013

Rapid, highly structured meridional winds and their modulation by non migrating tides: Measurements from the Streak mission

[1]\ Measurements of the Earth\textquoterights low latitude thermosphere returned by the ionization gauge on the Streak mission are reported and discussed. The measurements are of the amount of gas rammed into the sensor by its passage through the thermospheric medium. They were obtained in the dusk sector in the altitude range 130\textendash330 km and are shown to be strongly structured by the geomagnetic field. Similarities to the structure of the equatorial ionization anomaly are discussed. The structure is interp ...

Clemmons, J.; Walterscheid, R.; Christensen, A.; Bishop, R.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 02/2013

YEAR: 2013     DOI: 10.1029/2012JA017661

2012

A multiyear (2002--2006) climatology of O/N2 in the lower thermosphere from TIMED GUVI and ground-based photometer observations

Hecht, J.; Mulligan, T.; Correira, J.; Clemmons, J.; Strickland, D.; Walterscheid, R.; Conde, M.;

Published by: Journal of Geophysical Research      Published on: Jan-01-2012

YEAR: 2012     DOI: 10.1029/2011JA017146

The Wind Imaging Interferometer (WINDII) on the Upper Atmosphere Research Satellite: A 20 year perspective

The Wind Imaging Interferometer (WINDII) was launched on the NASA\textquoterights Upper Atmosphere Research Satellite on 12 September 1991 and operated until 2003. Its role in the mission was to measure vector winds in the Earth\textquoterights atmosphere from 80 to 110 km, but its measurements extended to nearly 300 km. The approach employed was to measure Doppler shifts from a suite of visible region airglow lines emitted over this altitude range. These included atomic oxygen O(1S) and O(1D) lines, ...

Shepherd, G.; Thuillier, G.; Cho, Y.-M.; Duboin, M.-L.; Evans, W.; Gault, W.; Hersom, C.; Kendall, D.; Lathuillère, C.; Lowe, R.; McDade, I.; Rochon, Y.; Shepherd, M.; Solheim, B.; Wang, D.-Y.; Ward, W.;

Published by: Reviews of Geophysics      Published on: 06/2012

YEAR: 2012     DOI: 10.1029/2012RG000390

airglow; dynamics; interferometers; mesosphere; temperature; winds

2011

Wave-driven variability in the ionosphere-thermosphere-mesosphere system from TIMED observations: What contributes to the "wave 4"?

Oberheide, J.; Forbes, J.; Zhang, X.; Bruinsma, S.;

Published by: Journal of Geophysical Research      Published on: Jan-01-2011

YEAR: 2011     DOI: 10.1029/2010JA015911

2010

The November 2004 superstorm: Comparison of low-latitude TEC observations with LLIONS model results

Hei, Matthew; Valladares, Cesar;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-03-2010

YEAR: 2010     DOI: 10.1016/j.jastp.2009.03.025

Dynamic variability in F-region ionospheric composition at auroral arc boundaries

Zettergren, M.; Semeter, J.; Burnett, B.; Oliver, W.; Heinselman, C.; Blelly, P.-L.; Diaz, M.;

Published by: Annales Geophysicae      Published on: Jan-01-2010

YEAR: 2010     DOI: 10.5194/angeo-28-651-2010

2009

Large-scale instabilities of the lower thermosphere during an active period

Walterscheid, RL; Crowley, G;

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

YEAR: 2009     DOI:

Observations of ionospheric heating during the passage of solar coronal hole fast streams

Sojka, Jan; McPherron, RL; Van Eyken, AP; Nicolls, MJ; Heinselman, CJ; Kelly, JD;

Published by: Geophysical research letters      Published on:

YEAR: 2009     DOI:

Measured and modeled ionospheric densities, temperatures, and winds during the international polar year

Richards, PG; Nicolls, MJ; Heinselman, CJ; Sojka, JJ; Holt, JM; Meier, RR;

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

YEAR: 2009     DOI:

2008

Tidal propagation of deep tropical cloud signatures into the thermosphere from TIMED observations

Oberheide, J.; Forbes, J.;

Published by: Geophysical Research Letters      Published on: Jan-01-2008

YEAR: 2008     DOI: 10.1029/2007GL032397

Paired Ionosphere-Thermosphere Orbiters (PITO): Science and Implementation

Nigg, DA; Clemmons, JH; Walterscheid, RL; Jolly, R;

Published by: Americal Geophysical Union, Fall      Published on:

YEAR: 2008     DOI:

2007

A climatology of nonmigrating semidiurnal tides from TIMED Doppler Interferometer (TIDI) wind data

Oberheide, J.; Wu, Q.; Killeen, T.L.; Hagan, M.E.; Roble, R.G.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-12-2007

YEAR: 2007     DOI: 10.1016/j.jastp.2007.05.010

2006

The HEX experiment: Determination of the neutral wind field from 120 to 185 km altitude near a stable premidnight auroral arc by triangulating the drift of rocket-deployed chemical trails

Wescott, E.; Stenbaek-Nielsen, H.; Conde, M.; Larsen, Miguel; Lummerzheim, Dirk;

Published by: Journal of Geophysical Research      Published on: Jan-01-2006

YEAR: 2006     DOI: 10.1029/2005JA011002

2005

Orbital Drag-Atmospheric Density Concept of Operations2004 Update

The Global UV Imager (GUVI), a predecessor instrument to SSUSI, has shown promising, though limited, comparison to orbit-based densities. Current operations at the SCC rely on

Buell, Diane; Walterscheid, Richard; Marcos, Frank; Fuller-Rowell, Tim; Picone, J; Storz, Mark; Owens, Jerry;

Published by:       Published on:

YEAR: 2005     DOI:

Seasonal and longitudinal variation of large-scale topside equatorial plasma depletions

We examine the large-scale properties of three classes of equatorial topside plasma depletions referred to as channels. In order of increasing zonal width and internal large-scale substructuring, we study simple channels, multichannels, and superchannels. We find that peaks in channel activity are centered on 0° (African sector) and 180° (Western Pacific sector). Superchannels are found to strongly dominate in the African sector, whereas simple and multichannels dominate the Pacific sector. Within the African sector, the r ...

Hei, M.; Heelis, R.; McClure, J.;

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

YEAR: 2005     DOI: https://doi.org/10.1029/2005JA011153

bubbles; equatorial plasma depletions; plumes

CEDAR/TIMED: Thermospheric Vertical Wind Observations from Three Sites in the Northern Auroral Zone

Lummerzheim, D;

Published by:       Published on:

YEAR: 2005     DOI:

2004

Contribution of proton precipitation to space-based auroral FUV observations

Imaging from space offers a unique way to access the global picture, and its temporal variability, of the particle energy input over the auroral ovals. Electron characteristics are inferred from the analysis of auroral images taken from space in two different spectral bands in UV or visible. Usually, only the electron component of the precipitation is considered, as most of the particle energy is carried by electrons. However, at some locations and certain times protons are a major energy source, that is, a major ionizati ...

Galand, M.; Lummerzheim, D.;

Published by: Journal of Geophysical Research      Published on: 03/2004

YEAR: 2004     DOI: 10.1029/2003JA010321

auroral protons; FUV

Quiet-time seasonal behavior of the thermosphere seen in the far ultraviolet dayglow

The TIMED/GUVI instrument is a far ultraviolet spectrograph that obtains images in five spectrally resolved wavelength channels. These images yield information on the dayside composition, temperature, solar EUV flux, large-scale wave structures, and auroral processes. In this paper we present an overview analysis of Earth-disk images for four seasons (March, July, and September 2002 and January 2003). Days were selected during geomagnetically quiet periods when the Sun was nearly in the orbital plane (noon orbits). Two of ...

Strickland, D.; Meier, R.; Walterscheid, R.; Christensen, A.; Paxton, L.; Morrison, D.; Craven, J.; Crowley, G.;

Published by: Journal of Geophysical Research      Published on: 01/2004

YEAR: 2004     DOI: 10.1029/2003JA010220

far ultraviolet; remote sensing; seasonal behavior; thermosphere

Solar EUV irradiance variability derived from terrestrial far ultraviolet dayglow observations

Remotely sensed ultraviolet emissions from the Earth s upper atmosphere are shown to mirror fluctuations in solar EUV irradiance during July 2002, including the overall increase and decrease as the Sun rotated, and episodic increases associated with multiple solar flares. The TIMED/GUVI dayglow observations are used to derive a new quantity, QEUVGUVI, which is a measure of integrated solar EUV electromagnetic energy shortward of 45 nm. Both the absolute QEUVGUVI values and their modulation by solar rotation agree well with t ...

Strickland, D.J.; Lean, J.L.; Meier, R.R.; Christensen, A.B.; Paxton, L.J.; Morrison, D.; Craven, J.D.; Walterscheid, R.L.; Judge, D.L.; McMullin, D.R.;

Published by: Geophysical research letters      Published on:

YEAR: 2004     DOI: 10.1029/2003GL018415

2003

Autonomous satellite navigation system

Devereux, William; Heins, Robert; Chacos, Albert; Linstrom, Lloyd; Asher, Mark; Duven, Dennis; Gruenbacher, Don; Kusterer, Thomas; Strohbehn, Kim; Morgan, Richard; , others;

Published by:       Published on: aug

YEAR: 2003     DOI:

The Sun-Earth Connection as Viewed from GUVI on TIMED

Paxton, L; Christensen, A; Avery, S; Craven, J; Crowley, G; Meier, R; Meng, C; Srickland, D; Swenson, C; Walterscheid, R; , others;

Published by:       Published on:

YEAR: 2003     DOI:

SA52A-0395

Galand, Marina; Lummzheim, Dirk; Frey, HU; Paxton, LJ; Christensen, AB;

Published by:       Published on:

YEAR: 2003     DOI:

Comparison of the Modeled 135.6 nm Auroral Emission to TIMED GUVI Observations: Mapping Thermospheric Composition Variations During Auroral Events Above Alaska and Northwest Canada

Krynicki, MP; Conde, M; Lummerzheim, D; Paxton, L; Ishii, M;

Published by:       Published on:

YEAR: 2003     DOI:

2002

Products Derived From GUVI Dayglow and Auroral Data

Strickland, DJ; Christensen, A; Meier, R; Paxton, L; Morrison, D; Craven, J; Crowley, G; Waltersheid, R; Avery, S; Meng, C;

Published by:       Published on:

YEAR: 2002     DOI:

Global Ultaviolet Imager (GUVI): on-Orbit Performance and Initial Results

Christensen, AB; Strickland, D; Paxton, L; Morrison, D; Crowley, G; Meier, R; Craven, J; Meng, C; Swenson, C; Walterscheid, R; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Thermospheric wind, temperature, and compositional response to auroral events above Alaska and Western Canada

Conde, MG; Krynicki, MP; Lummerzheim, D;

Published by:       Published on:

YEAR: 2002     DOI:

Thermospheric composition derived from TIMED/GUVI limb scans

Meier, RR; Strickland, DJ; Christensen, AB; Paxton, LJ; Morrison, MD; Craven, JD; Crowley, G; Walterscheid, RL; Avery, SK; Meng, CI;

Published by:       Published on:

YEAR: 2002     DOI:

$\$GUVI$\$ Observations of Night Time Ionospheric Morphology

Swenson, CM; Christensen, AB; Walterscheid, RJ; Paxton, LJ; Meng, CI; Craven, JD; Meier, RR; Strickland, DJ; Crowley, G;

Published by:       Published on:

YEAR: 2002     DOI:

Seasonal Variation of Thermospheric Composition as Measured by TIMED/GUVI

Crowley, G; Paxton, LJ; Christensen, AB; Morrison, D; Strickland, DJ; Craven, JD; Meier, R; Straus, P; Walterscheid, R; Meng, C; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Dayside auroras during storms of April 2002: TIMED/GUVI observations

Zhang, Y; Paxton, L; Morrison, D; Wolven, B; Kil, H; Meng, C; Christensen, A; Straus, P; Walterscheid, R; Crowley, G; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Dayglow Imagery and O/N 2 Ratios Observed from the TIMED/GUVI Sensor: An Early Assessment

Morrison, D; Paxton, LJ; Zhang, Y; Wolven, BC; Kil, H; Meng, CI; Christensen, AB; Walterscheid, R; Strickland, D;

Published by:       Published on:

YEAR: 2002     DOI:

Thermospheric and Ionospheric Response to the Solar Flares of April 2002 as Observed by the TIMED Global UltraViolet Imager (GUVI)

Wolven, B; Paxton, L; Morrison, D; Zhang, Y; Kil, H; Meng, C; Christensen, A; Straus, PR; Walterscheid, R; Craven, JD; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Thermospheric Composition: GUVI Observations of O/N2

Christensen, AB; Strickland, DJ; Paxton, LJ; Morrison, D; Crowley, G; Meier, RR; Craven, JD; Meng, CI; Swenson, CM; Walterscheid, RL; , others;

Published by:       Published on:

YEAR: 2002     DOI:

1994

Global ultraviolet imager (GUVI) for the NASA Thermosphere-Ionsphere-Mesosphere Energetics and Dynamics (TIMED) mission

Christensen, Andrew; Walterscheid, Richard; Ross, Martin; Meng, Ching-I; Paxton, Larry; Anderson, Donald; Crowley, Geoffrey; Avery, Susan; Craven, John; Meier, Robert; , others;

Published by:       Published on:

YEAR: 1994     DOI:



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