GUVI Biblio | guvitimed.jhuapl.edu

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Found 52 entries in the Bibliography.

Showing entries from 1 through 50

2021

Twenty Years of Space-Based Observations of the Ionosphere-Thermosphere-Mesosphere System and a View to the Future

Mlynczak, Martin; Yee, Jeng-Hwa; Paxton, Larry; Ridley, Aaron;

Published by: Published on:

YEAR: 2021 DOI:

2019

Impact of nitric oxide, solar EUV and particle precipitation on thermospheric density decrease

Zhang, Yongliang; Paxton, Larry; Lu, Gang; Yee, Sam;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics Published on: 01/2019

YEAR: 2019 DOI: 10.1016/j.jastp.2018.11.016

2018

Seasonal Variation Analysis of Thermospheric Composition in TIMED/GUVI Limb Measurements

Knowledge of thermospheric variability is essential to the understanding and forecasting of ionospheric behavior and space weather. As well, thermospheric density variability is a vital ingredient for prediction of space objects orbital changes and the lifetime of spacecraft. The Global UltraViolet Imager (GUVI) onboard the Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) satellite provides the first global dataset of thermosphere composition (O, N2 and O2 densities) and temperature vertical profiles from 2 ...

Yue, Jia; Meier, Robert; Jian, Yongxiao; Yee, Jeng-Hwa; Wu, Dong; Russell, James; Wang, Wenbin; Burns, Alan;

Published by: 2018 Triennial Earth-Sun Summit (TESS Published on:

YEAR: 2018 DOI:

Storm-time thermospheric neutral density variations: Impacts of nitric oxide cooling, and solar EUV, Particle and Joule heating

Zhang, Yongliang; Paxton, Larry; Lu, Gang; Yee, Jeng-Hwa;

Published by: Published on:

YEAR: 2018 DOI:

2016

Current Understanding of the Ionosphere Thermosphere Ionosphere (ITM) Structure Variability, Its Impacts, and Outstanding Questions II Posters

Yee, Jeng-Hwa; Paxton, Larry; Russell, James; Mlynczak, Martin;

Published by: Published on:

YEAR: 2016 DOI:

TIME after TIMED-A perspective on Thermosphere-Ionosphere Mesosphere science and future observational needs after the TIMED mission epoch

Mlynczak, Martin; , Russell; Hunt, Linda; Christensen, Andrew; Paxton, Larry; Woods, Thomas; Niciejewski, Richard; Yee, Jeng-Hwa;

Published by: Published on:

YEAR: 2016 DOI:

Spatial and Temporal Variability of Atomic Oxygen in The Mesosphere And Lower Thermosphere

Yee, Jeng-Hwa; , Russell; Mlynczak, Martin; Christensen, Andrew; Paxton, Larry; Zhang, Yongliang; Skinner, Wilbert; Woods, Thomas;

Published by: Published on:

YEAR: 2016 DOI:

2015

A new technique for remote sensing of O ₂ density from 140 to 180 km

Observations of molecular oxygen are difficult to make in the Earth\textquoterights atmosphere between 140 and 200 km altitude. Perhaps the most accurate measurements to date have been obtained from satellite instruments that measure solar occultations of the limb. These do provide height-resolved O₂ density measurements, but the nature of this technique is such that the temporal/spatial distribution of the measurements is uneven. Here a new space-based technique is described that utilizes two bright dayglow em ...

Hecht, James; Christensen, Andrew; Yee, Jeng-Hwa; Crowley, Geoff; Bishop, Rebeeca; Budzien, Scott; Stephan, Andrew; Evans, Scott;

Published by: Geophysical Research Letters Published on: 01/2015

YEAR: 2015 DOI: 10.1002/2014GL062355

composition; technique; thermosphere

A new technique for remote sensing of O2 density from 140 to 180 km

Hecht, James; Christensen, Andrew; Yee, Jeng-Hwa; Crowley, Geoff; Bishop, Rebeeca; Budzien, Scott; Stephan, Andrew; Evans, Scott;

Published by: Geophysical Research Letters Published on:

YEAR: 2015 DOI:

2014

The MSX/UVISI Stellar Occultation Experiments: Proof-of-Concept Demonstration of a New Approach to Remote Sensing of Earth’s Atmosphere

Vervack, Ronald; Yee, Jeng-Hwa; Swartz, William; DeMajistre, Robert; Paxton, Larry;

Published by: JOHNS HOPKINS APL TECHNICAL DIGEST Published on:

YEAR: 2014 DOI:

2013

The quiet nighttime low-latitude ionosphere as observed by TIMED/GUVI

In this paper, we examine the nighttime ionosphere climatology structure in the low latitude region and discrepancies between Global Ultraviolet Imager (GUVI) observations and the IRI model predictions using (1) the magnetic zonal mean of electron number density as a function of altitude and magnetic latitude, (2) vertical electron density profiles at various levels of F10.7 index, (3) nighttime descent and magnitude decrease of the ionosphere, (4) point-to-point comparisons of F-peak height (hmF2) and density (NmF2), and ...

Talaat, E.R.; Yee, J.-H.; Hsieh, S.-Y.; Paxton, L.J.; DeMajistre, R.; Christensen, A.B.; Bilitza, D.;

Published by: Advances in Space Research Published on: 02/2013

YEAR: 2013 DOI: 10.1016/j.asr.2012.11.012

Electron density; GUVI; Ionosphere; IRI; TIMED

2012

The O2 (b1$\Sigma$) dayglow emissions: Application to middle and upper atmosphere remote sensing

Yee, Jeng-Hwa; DeMajistre, R; Morgan, F;

Published by: Canadian Journal of Physics Published on:

YEAR: 2012 DOI:

2011

Remote Sensing of lower thermospheric temperature and composition based on observations of O2 Atmospheric band emission.

Christensen, AB; Yee, J; Budzien, SA; Bishop, RL; Hecht, JH; Stephan, AW; Crowley, G;

Published by: Published on:

YEAR: 2011 DOI:

2010

NO ₂ air afterglow and O and NO densities from Odin-OSIRIS night and ACE-FTS sunset observations in the Antarctic MLT region

Gattinger, R.; McDade, I.; an, A.; Boone, C.; Walker, K.; Bernath, P.; Evans, W.; Degenstein, D.; Yee, J.-H.; Sheese, P.; Llewellyn, E.;

Published by: Journal of Geophysical Research Published on: Jan-01-2010

YEAR: 2010 DOI: 10.1029/2009JD013205

Ionospheric E-Region Chemistry and Energetics

Mertens, Christopher; Mlynczak, Martin; Gronoff, Guillaume; Yee, Jeng-Hwa; Swenson, Charles; Fish, Chad; Wellard, Stan; Lumpe, Jerry; Strickland, Doug; Evans, Scott;

Published by: To propose an Earth-observing, multi-satellite science mission to explore the last remaining frontier in upper atmospheric research—the ionospheric E-region Published on:

YEAR: 2010 DOI:

NO2 air afterglow and O and NO densities from Odin-OSIRIS night and ACE-FTS sunset observations in the Antarctic MLT region

Gattinger, RL; McDade, IC; an, AL; Boone, CD; Walker, KA; Bernath, PF; Evans, WFJ; Degenstein, DA; Yee, J-H; Sheese, P; , others;

Published by: Journal of Geophysical Research: Atmospheres Published on:

YEAR: 2010 DOI:

2008

Lower Atmosphere Wave Effects on Ionospheric Variability

Talaat, Elsayed; Yee, Jeng-Hwa; Paxton, Larry; DeMajistre, Robert; Christensen, Andrew; Mlynczak, MG; , Russell; Zhu, Xun; Sotirelis, Thomas; Kil, Hyosub;

Published by: 37th COSPAR Scientific Assembly Published on:

YEAR: 2008 DOI:

Performing Science Research with the Virtual ITM Observatory

Morrison, D; Weiss, M; Immer, L; Patrone, D; Potter, M; Holder, R; Barnes, R; Colclough, C; Nylund, S; Yee, J; , others;

Published by: Published on:

YEAR: 2008 DOI:

2007

The Variabilities of the Mesosphere and Lower Thermosphere as observed by TIMED

Yee, J; Talaat, E; Zhu, X; Russell, J; Mlynczak, M; SKINNER, W; Paxton, L;

Published by: Published on:

YEAR: 2007 DOI:

Inter-annual and long-term variations observed in the ITM system

Talaat, ER; Yee, J; Ruohoniemi, JM; Zhu, X; DeMajistre, R; Russell, J; Mlynczak, M; Paxton, L; Christensen, A;

Published by: Published on:

YEAR: 2007 DOI:

The low-latitude ionosphere as observed by TIMED/GUVI and TOPEX/Jason and comparisons with the IRI model

Hsieh, SW; Talaat, ER; Bilitza, D; DeMajistre, R; Paxton, L; Christensen, A; Yee, J;

Published by: Published on:

YEAR: 2007 DOI:

2006

VITMO: A Virtual Observatory for the ITM Community

Morrison, D; Weiss, M; Daley, R; Immer, L; Nylund, S; Yee, J; Talaat, E; Russell, J; Heelis, R; Kozyra, J; , others;

Published by: Published on:

YEAR: 2006 DOI:

Analyses of solar activity effects on the low-latitude ionosphere

Wolven, BC; Talaat, ER; Yee, J; DeMajistre, R; Paxton, LJ; Christensen, A; Sotirelis, T; Smith, DC; Bilitza, D; Azeem, I;

Published by: Published on:

YEAR: 2006 DOI:

The effects of solar activity on the low-latitude ionosphere as observed from space

Talaat, ER; Yee, J-H; DeMajistre, R; Paxton, LJ; Christensen, A; Sotirelis, T; Smith, DC; Bilitza, D;

Published by: Published on:

YEAR: 2006 DOI:

Geophysical Monograph SeriesRecurrent Magnetic Storms: Corotating Solar Wind StreamsResponse of the upper/middle atmosphere to coronal holes and powerful high-speed solar wind streams in 2003

Kozyra, J.; Crowley, G.; Emery, B.; Fang, X.; Maris, G.; Mlynczak, M.; Niciejewski, R.; Palo, S.; Paxton, L.; Randall, C.; Rong, P.-P.; Russell, J.; Skinner, W.; Solomon, S.; Talaat, E.; Wu, Q.; Yee, J.-H.;

Published by: Published on:

YEAR: 2006 DOI: 10.1029/GM16710.1029/167GM24

Lower Atmosphere Effects on Thermospheric and Ionospheric Variability

Talaat, ER; Yee, J; Paxton, L; DeMajistre, R; Christensen, A; Russell, J; Mlynczak, M; Zhu, X; Sotirelis, T; Smith, D;

Published by: Published on:

YEAR: 2006 DOI:

2005

Storm-time enhancement of mid-latitude ultraviolet emissions due to energetic neutral atom precipitation

DeMajistre, R.; Brandt, P.; Immel, T.; Yee, J.-H.; Dalgarno, A.; Paxton, L.; Kharchenko, V.;

Published by: Geophysical Research Letters Published on: Jan-01-2005

YEAR: 2005 DOI: 10.1029/2005GL023059

The climatology of the quiet nighttime low-latitude ionosphere

Talaat, ER; Yee, J; DeMajistre, R; Paxton, L; Kil, H; Zhang, Y; Sotirelis, T; Christensen, A; Palo, S; Azeem, I; , others;

Published by: Published on:

YEAR: 2005 DOI:

GUVI Observations of Solar EUV and Geomagnetic Storm Control of the Ionosphere and Thermosphere

Paxton, LJ; Yee, J; Zhang, Y; Kil, H; DeMajistre, R; Morrison, D; Wolven, B; Meng, C;

Published by: Published on:

YEAR: 2005 DOI:

NASA Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) Mission: Significant Findings and Evolving Research

Yee, J; Christensen, A; Russell, J; Killeen, T; Woods, T; Kozyra, J; Smith, A; Fritts, D; Forbes, J; Mayr, H; , others;

Published by: Published on:

YEAR: 2005 DOI:

TIMED Contributions to the NASA Sun-Solar System Connections Great Observatory

Christensen, AB; Kozyra, J; Paxton, L; Talaat, E; Yee, J;

Published by: Published on:

YEAR: 2005 DOI:

2004

Retrievals of nighttime electron density from Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) mission Global Ultraviolet Imager (GUVI) measurements

In this work we will present a method for retrieving nighttime electron density profiles from OI 135.6 nm limb emissions measured by the Global Ultraviolet Imager (GUVI) aboard the Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) mission spacecraft. The primary mechanism for 135.6 nm radiance in the nighttime thermosphere is recombination of O⁺ ions, and the volume emission rate is approximately proportional to the square of the electron density. Herein we describe a two-step inversion method ...

DeMajistre, R.; Paxton, L.; Morrison, D.; Yee, J.-H.; Goncharenko, L.; Christensen, A.;

Published by: Journal of Geophysical Research Published on: 04/2004

YEAR: 2004 DOI: 10.1029/2003JA010296

Electron density; inversion; low-latitude ionosphere; TIMED/GUVI

Observations of Tides and Planetary Waves from the stratosphere to the thermosphere

Talaat, ER; Yee, J; Paxton, L; Zhang, Y; Zhu, X; Meier, R; Christensen, A; Mlynczak, M; RUSSELL, JM;

Published by: Published on:

YEAR: 2004 DOI:

Retrievals of nighttime electron density from TIMED Global Ultraviolet Imager (GUVI) measurements

DeMajistre, R; Paxton, LJ; Morrison, D; Yee, JH; Goncharenko, L; Christensen, A;

Published by: J. Geophys. Res Published on:

YEAR: 2004 DOI:

Observational and Modeling Analysis of the Coupling Between Neutral Winds and the Low-Latitude Ionosphere

Talaat, ER; DeMajistre, R; Yee, J; Paxton, LJ; Crowley, G; Palo, S; Christensen, AB; Azeem, I; Roble, R; Kil, H; , others;

Published by: Published on:

YEAR: 2004 DOI:

Ionosphere and Upper Atmosphere-A 05305. Retrievals of nighttime electron density from Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) mission Global Ultraviolet Imager (GUVI)

DeMajistre, R; Paxton, LJ; Morrison, D; Yee, JH; Goncharenko, LP; Christensen, AB;

Published by: Journal of Geophysical Research-Part A-Space Physics Published on:

YEAR: 2004 DOI:

The stellar occultation technique: Past achievements, recent developments, and future challenges

Yee, J-H; Vervack, RJ; DeMajistre, R;

Published by: Occultations for Probing Atmosphere and Climate Published on:

YEAR: 2004 DOI:

2003

TIMED instruments

Yee, Jeng-Hwa; Talaat, Elsayed; Christensen, Andrew; Killeen, Timothy; Russell, James; Woods, Thomas;

Published by: Johns Hopkins APL Technical Digest Published on:

YEAR: 2003 DOI:

TIMED science: First light

Talaat, Elsayed; Yee, Jeng-Hwa; Christensen, Andrew; Killeen, Timothy; Russell, James; Woods, Thomas;

Published by: Johns Hopkins APL technical digest Published on:

YEAR: 2003 DOI:

TIMED mission science overview

BACKGROUND Although our knowledge of the near-Earth space environment has increased enormously since the start of the Space Age, many significant gaps still exist, and our

Yee, Jeng-Hwa;

Published by: John Hopkins APL Technical Digest Published on:

YEAR: 2003 DOI:

Advanced technology and mission operations concepts employed on NASA s TIMED mission

Yee, Jeng-Hwa; Rodberg, Elliot; Harvey, Raymond; Kusnierkiewicz, David; Knopf, William; Grunberger, Paul; Grant, David; Cameron, Glen;

Published by: Published on:

YEAR: 2003 DOI:

Studies on the coupling between the neutral winds and the ionosphere at low latitudes

Talaat, ER; DeMajistre, R; Kil, H; Yee, JH; Paxton, L; Azeem, SM; Crowley, G; Christensen, A; Roble, RG;

Published by: Published on:

YEAR: 2003 DOI:

The Hump in the Ultraviolet Spectra of Polar Mesospheric Clouds