GUVI Biblio

Pronounced Suppression and X-Pattern Merging of Equatorial Ionization Anomalies After the 2022 Tonga Volcano Eruption

Following the 2022 Tonga Volcano eruption, dramatic suppression and deformation of the equatorial ionization anomaly (EIA) crests occurred in the American sector ∼14,000 km away from the epicenter. The EIA crests variations and associated ionosphere-thermosphere disturbances were investigated using Global Navigation Satellite System total electron content data, Global-scale Observations of the Limb and Disk ultraviolet images, Ionospheric Connection Explorer wind data, and ionosonde observations. The main results are as fo ...

Aa, Ercha; Zhang, Shun-Rong; Wang, Wenbin; Erickson, Philip; Qian, Liying; Eastes, Richard; Harding, Brian; Immel, Thomas; Karan, Deepak; Daniell, Robert; Coster, Anthea; Goncharenko, Larisa; Vierinen, Juha; Cai, Xuguang; Spicher, Andres;

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

YEAR: 2022     DOI: 10.1029/2022JA030527

EIA suppression and X-pattern; Equatorial ionization anomaly; GNSS TEC; GOLD UV images; ICON MIGHTI neutral wind; Tonga volcano eruption

Impact of September 2019 Antarctic Sudden Stratospheric Warming on Mid-Latitude Ionosphere and Thermosphere Over North America and Europe

Goncharenko, Larisa; Harvey, Lynn; Greer, Katelynn; Zhang, Shun-Rong; Coster, Anthea; Paxton, Larry;

Published by: Geophysical Research Letters      Published on:

YEAR: 2021     DOI:

Longitudinally Varying Thermospheric Composition and Its Connection to the Extraordinary 2019 SSW

Greer, Katelynn; Harvey, Lynn; Goncharenko, Larisa;

Published by:       Published on:

YEAR: 2020     DOI:

Is There a Compositional Signature That Could Explain Middle Latitude Ionospheric Signatures during Sudden Stratospheric Warmings?

Burns, Alan; Qian, Liying; Wang, Wenbin; Goncharenko, Larisa; Solomon, Stanley;

Published by:       Published on:

YEAR: 2016     DOI:

The August 2011 URSI World Day campaign: Initial results

During a 10-day URSI World Day observational campaign beginning on August 1, 2011, an isolated, major geomagnetic storm occurred. On August 5,\ Kp\ reached values of 8^-and\ Dst\ dropped to -113\ nT. The occurrence of this isolated storm in the middle of a 10-day URSI World Day campaign provides and unprecedented opportunity to observe the coupling of solar wind energy into the magnetosphere and to evaluate the varied effects that occur in the coupled magnetosphere\text ...

Immel, Thomas; Liu, Guiping; England, Scott; Goncharenko, Larisa; Erickson, Philip; Lyashenko, Mykhaylo; Milla, Marco; Chau, Jorge; Frey, Harald; Mende, Stephen; Zhou, Qihou; Stromme, Anja; Paxton, Larry;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 11/2015

YEAR: 2015     DOI: 10.1016/j.jastp.2015.09.005

Aeronomy; Ionosphere; Radar; thermosphere

Ionospheric and thermospheric variations associated with prompt penetration electric fields

Lu, G.; Goncharenko, L.; Nicolls, M.; Maute, A.; Coster, A.; Paxton, L.;

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

YEAR: 2012     DOI: 10.1029/2012JA017769

Ionospheric effects caused by the series of geomagnetic storms of September 9\textendash14, 2005

Klimenko, M.; Klimenko, V.; Ratovsky, K.; Goncharenko, L.;

Published by: Geomagnetism and Aeronomy      Published on: Jan-06-2011

YEAR: 2011     DOI: 10.1134/S0016793211030108

Modeling of Ionosphere Effects of Geomagnetic Storm Sequence on September 9-14, 2005 in View of Solar Flares and Dependence of Model Input Parameters from AE-and Kp-indices

Klimenko, Maxim; Klimenko, Vladimir; Ratovsky, Konstantin; Goncharenko, Larisa;

Published by: 38th COSPAR Scientific Assembly      Published on:

YEAR: 2010     DOI:

Effects observed in the Latin American sector ionospheric F region during the intense geomagnetic disturbances in the early part of November 2004

Sahai, Y; Becker-Guedes, F; Fagundes, PR; De Jesus, R; De Abreu, AJ; Paxton, LJ; Goncharenko, LP; Brunini, C; Gende, M; Ferreira, AS; , others;

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

YEAR: 2009     DOI:

A data-model comparative study of ionospheric positive storm phase in the midlatitude F region

Lu, G; Goncharenko, LP; Coster, AJ; Richmond, AD; Roble, RG; Aponte, N; Paxton, LJ;

Published by:       Published on:

YEAR: 2008     DOI:

Observations of a positive storm phase on September 10, 2005

In this study, we present multi-instrument observations of a strong positive phase of ionospheric storm, which occurred on September 10, 2005 during a moderate geomagnetic storm with minimum D_st=-60\ nT and maximum K_p=6\textendash. The daytime electron density measured by the Millstone Hill incoherent scatter radar (42.6\textdegreeN, 288.5\textdegreeE) increased after 13\ UT (\~8\ LT) compared with that before the storm. This increase is observed throughout the daytim ...

Goncharenko, L.P.; Foster, J.C.; Coster, A.J.; Huang, C.; Aponte, N.; Paxton, L.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 07/2007

YEAR: 2007     DOI: 10.1016/j.jastp.2006.09.011

F-region; geomagnetic storm; Ionosphere; positive phase

Large variations in the thermosphere and ionosphere during minor geomagnetic disturbances in April 2002 and their association with IMF B _y

We investigate the variations in the thermosphere and ionosphere using multi-instrument observations during the April 2002 period, with a particular focus on periods during small geomagnetic disturbances. Large and long-lasting reductions in the daytime electron density were observed at midlatitudes by incoherent scatter radars, ionosondes, and GPS receivers. These reductions reached 30\textendash50\% and were observed over an extended longitudinal area. They propagated to middle latitudes (35\textendash40\textdegreeN) in ...

Goncharenko, L.; Salah, J.; Crowley, G.; Paxton, L.; Zhang, Y.; Coster, A.; Rideout, W.; Huang, C.; Zhang, S.; Reinisch, B.; Taran, V.;

Published by: Journal of Geophysical Research      Published on: 03/2006

YEAR: 2006     DOI: 10.1029/2004JA010683

Electron density; thermospheric composition; thermospheric wind

Large variations in the thermosphere and ionosphere during minor geomagnetic disturbances in April 2002 and their association with IMF By

Goncharenko, L; Salah, J; Crowley, G; Paxton, LJ; Zhang, Y; Coster, A; Rideout, W; Huang, C; Zhang, S; Reinisch, B; , others;

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

YEAR: 2006     DOI:

October 2002 30-day incoherent scatter radar experiments at Millstone Hill and Svalbard and simultaneous GUVI/TIMED observations

A long-duration incoherent scatter radar (ISR) experiment was conducted at Millstone Hill and Svalbard from October 4\textendashNovember 4, 2002. Along with the simultaneous GUVI/TIMED neutral composition measurements, this 30-day run enabled us to study a number of thermosphere-ionosphere-magnetosphere phenomena. This paper focuses on the day-to-day variability and quasiperiodic oscillation of the ionosphere. The day-to-day variability under quiet magnetic conditions in electron density Ne, ion temperature Ti and electro ...

Zhang, Shun-Rong; Holt, John; Erickson, Phil; Lind, Frank; Foster, John; van Eyken, Anthony; Zhang, Yongliang; Paxton, Larry; Rideout, William; Goncharenko, Larisa; Campbell, Glenn;

Published by: Geophysical Research Letters      Published on: 01/2005

YEAR: 2005     DOI: 10.1029/2004GL020732

Shun-Rong Zhang, John M. Holt, Phil J. Erickson, Frank D. Lind, John C. Foster, Anthony P. van Eyken, 2 Yongliang Zhang, 3 Larry J. Paxton, 3 William C. Rideout

Goncharenko, Larisa; Campbell, Glenn;

Published by: GEOPHYSICAL RESEARCH LETTERS      Published on:

YEAR: 2005     DOI:

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

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:

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:

First Three Years of TIMED: New Results in Sun-Earth Connections

Kozyra, JU; Crowley, G; Goncharenko, LP; Hagan, ME; Lu, G; Mlynczak, MG; Paxton, LJ; RUSSELL, JM; Solomon, SC; Talaat, ER; , others;

Published by:       Published on:

YEAR: 2004     DOI:

Space Weather Effects of the April 15-23 2002 Geomagnetic Storm

Hackert, C; Crowley, G; Paxton, L; Christensen, A; Kil, Y; Zhang, Y; Morrison, D; Goncharenko, L; Makela, J; Sahai, Y; , others;

Published by:       Published on:

YEAR: 2003     DOI:

Variability in the Mesosphere/Thermosphere/Ionosphere System During the Quiet Time of April 2002

Goncharenko, LP; Salah, J; Coster, A; Rideout, W; , Zhang; Paxton, L; Zhang, Y; Crowley, G; , Taran; Reinisch, B; , others;

Published by:       Published on:

YEAR: 2003     DOI:

Comparison of TIMED/GUVI inferred nighttime electron density with ionospheric observations and models

Talaat, ER; DeMajistre, R; Paxton, L; Yee, J; Goncharenko, LP; Crowley, G; Azeem, S; Shpynev, B; Zhou, Q; Kil, H; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Coupling Through Planetary Waves: from the Stratosphere to Ionospheric Irregularities

Goncharenko, Larisa; Coster, Anthea; Chau, Jorge;

Published by: To propose an observational strategy that would investigate potential effects of planetary waves on irregularities      Published on:

YEAR:     DOI: