GUVI Biblio | guvitimed.jhuapl.edu

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Found 28 entries in the Bibliography.

Showing entries from 1 through 28

2021

Ionospheric Response Over Brazil to the August 2018 Geomagnetic Storm as Probed by CSES-01 and Swarm Satellites and by Local Ground-Based Observations

The geomagnetic storm that occurred on 25 August 25 2018, that is, during the minimum of solar cycle 24, is currently the strongest ever probed by the first China Seismo-Electromagnetic Satellite (CSES-01). By integrating the in situ measurements provided by CSES-01 (orbiting at altitude of 507 km) and by Swarm A satellite (orbiting at ca., 460 km) with ground-based observations (ionosondes, magnetometers, and Global Navigation Satellite System receivers), we investigate the ionospheric response at lower- and mid-latitudes o ...

Spogli, L.; Sabbagh, D.; Regi, M.; Cesaroni, C.; Perrone, L.; Alfonsi, L.; Di Mauro, D.; Lepidi, S.; Campuzano, S.; Marchetti, D.; De Santis, A.; Malagnini, A.; Scotto, C.; Cianchini, G.; Shen, Xu; Piscini, A.; Ippolito, A.;

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

YEAR: 2021 DOI: 10.1029/2020JA028368

Geomagnetic storms; Equatorial Electrojet; in situ plasma density; ionospheric elctroduamics; Ionospheric storms; low-latitude ionosphere

Explicit IMF By-Dependence in Geomagnetic Activity: Quantifying Ionospheric Electrodynamics

Geomagnetic activity is mainly driven by the southward (Bz) component of the interplanetary magnetic field (IMF), which dominates all solar wind coupling functions. Coupling functions also depend on the absolute value of the dawn-dusk (By) component of the IMF, but not on its sign. However, recent studies have shown that for a fixed level of solar wind driving, auroral electrojets in the Northern Hemisphere (NH) are stronger for By \textgreater 0 than for By \textless 0 during NH winter. In NH summer, the dependence on the B ...

Holappa, L.; Robinson, R.; Pulkkinen, A.; Asikainen, T.; Mursula, K.;

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

YEAR: 2021 DOI: 10.1029/2021JA029202

space weather; magnetosphere-ionosphere coupling; field-aligned currents; geomagnetic activity

2019

Perturbation Features Imprinted on Ionosphere by Successive Clusters of Strong Earthquakes: Role of Atmospheric Coupling Dynamics

The paper presents atmospheric coupling physics through identifying a few significant features imprinted on the ionosphere by certain unique seismic environments when a number of successive cluster of earthquakes ranging from 7.1 to 8.2 magnitudes occurred within about two weeks period, over the East-West Pacific zone covering

Devi, M; Barbara, AK; Patgiri, S; Depueva, A; Oyama, K; , Depuev; Ruzhin, Yu; , others;

Published by: Geomagnetism and Aeronomy Published on:

YEAR: 2019 DOI: 10.1134/S0016793219080036

Space Weather Program at Antarctica

The use of GPS (Global Positioning System) in diverse areas such as surveying, enroute navigation and precision approach of aircraft, deformation monitoring, and various land/marine navigation applications necessitate high accuracy and availability. In the presence of time varying irregularities in ionospheric degrades the performance of the GPS receiver.

Tiwari, R; Purohit, PK; Gwal, AK;

Published by: Published on:

YEAR: 2019 DOI:

2015

Transpolar arc observation after solar wind entry into the high-latitude magnetosphere

Recently, Cluster observations have revealed the presence of new regions of solar wind plasma entry at the high-latitude magnetospheric lobes tailward of the cusp region, mostly during periods of northward interplanetary magnetic field. In this study, observations from the Global Ultraviolet Imager (GUVI) experiment on board the TIMED spacecraft and Wideband Imaging Camera imager on board the IMAGE satellite are used to investigate a possible link between solar wind entry and the formation of transpolar arcs in the polar ...

Mailyan, B.; Shi, Q.; Kullen, A.; Maggiolo, R.; Zhang, Y.; Fear, R.; Zong, Q.-G.; Fu, S; Gou, X.; Cao, X.; Yao, Z.; Sun, W.; Wei, Y.; Pu, Z;

Published by: Journal of Geophysical Research: Space Physics Published on: 05/2015

YEAR: 2015 DOI: 10.1002/2014JA020912

magnetosphere-ionosphere coupling; transpolar arcs; in situ measurements

Characteristics of extreme geoelectric fields and their possible causes: Localized peak enhancements

Ngwira, Chigomezyo; Pulkkinen, Antti; Bernabeu, Emanuel; Eichner, Jan; Viljanen, Ari; Crowley, Geoff;

Published by: Geophysical Research Letters Published on:

YEAR: 2015 DOI:

2014

Hemispheric distributions and interannual variability of NO _y produced by energetic particle precipitation in 2002-2012

We investigate the interannual variability and hemispheric differences of reactive odd nitrogen produced by energetic particle precipitation (EPP-NO_y) and transported into the stratosphere and lower mesosphere during polar winters in 2002\textendash2012. For this purpose, EPP-NO_y amounts derived from observations of the Michelson Interferometer for Passive Atmospheric Sounding by means of a tracer correlation method have been used. Southern hemispheric (SH) seasonal maximum EPP-NO

~~Funke, B.; opez-Puertas, M.; Holt, L.; Randall, C.; Stiller, G.; von Clarmann, T.;~~

Published by: Journal of Geophysical Research: Atmospheres Published on: 11/2014

YEAR: 2014 DOI: 10.1002/2014JD022423

The relationship between solar wind entry processes and transpolar arc formation

Mailyan, Bagrat; Shi, Quanqi; Maggiolo, Romain; Zong, Qiugang; Cao, Xin; Zhang, Yongliang; Yao, Zhonghua; Fu, SuiYan; Wei, Yong; Pu, Zuyin;

Published by: Published on:

YEAR: 2014 DOI:

2011

Observation of the exhaust plume from the space shuttle main engines using the microwave limb sounder

Pumphrey, H.; Lambert, A.; Livesey, N.;

Published by: Atmospheric Measurement Techniques Published on: Jan-01-2011

YEAR: 2011 DOI: 10.5194/amt-4-89-2011

2010

Observation of the exhaust plume from the space shuttle main engine using the Microwave Limb Sounder

Pumphrey, H.; Lambert, A.; Livesey, N.;

Published by: Atmospheric Measurement Techniques Discussions Published on: Jan-01-2010

YEAR: 2010 DOI: 10.5194/amtd-3-3971-2010

2009

Influence of solar-geomagnetic disturbances on SABER measurements of 4.3 Micrometer emission and the retrieval of kinetic temperature and carbon dioxide

Thermospheric infrared radiance at 4.3 μm is susceptible to the influence of solar-geomagnetic disturbances. Ionization processes followed by ion-neutral chemical reactions lead to vibrationally excited NO+ (i.e., NO+(v)) and subsequent 4.3 μm emission in the ionospheric E-region. Large enhancements of nighttime 4.3 μm emission were observed by the TIMED/SABER instrument during the April 2002 and October\textendashNovember 2003 solar storms. Global measurements of infrared 4.3 μm emission provide an excellent proxy to ...

Mertens, Christopher; Winick, Jeremy; Picard, Richard; Evans, David; opez-Puertas, Manuel; Wintersteiner, Peter; Xu, Xiaojing; Mlynczak, Martin; Russell, James;

Published by: Advances in Space Research Published on:

YEAR: 2009 DOI: 10.1016/j.asr.2008.10.029

2007

Daytime F2-layer negative storm effect: what is the difference between storm-induced and Q-disturbance events?

Mikhailov, AV; Depueva, AH; Depuev, VH;

Published by: Published on:

YEAR: 2007 DOI:

Daytime F2-layer negative storm effect: what is the difference between storm-induced and Q-disturbance events?

Mikhailov, AV; Depueva, AH; Depuev, VH;

Published by: Published on:

YEAR: 2007 DOI:

Synchronous NmF2 and NmE daytime variations as a key to the mechanism of quiet-time F2-layer disturbances

Mikhailov, AV; Depuev, VH; Depueva, AH;

Published by: Published on:

YEAR: 2007 DOI:

Synchronous NmF2 and NmE daytime variations as a key to the mechanism of quiet-time F2-layer disturbances

Mikhailov, AV; Depuev, VH; Depueva, AH;

Published by: Published on:

YEAR: 2007 DOI:

Synchronous Nm F2 and Nm E daytime variations as a key to the mechanism of quiet-time F2-layer disturbances

Mikhailov, A.V.; Depuev, V.H.; Depueva, A.H.; , others;

Published by: Published on:

YEAR: 2007 DOI:

Synchronous Nm F2 and Nm E daytime variations as a key to the mechanism of quiet-time F2-layer disturbances

Mikhailov, A.V.; Depuev, V.H.; Depueva, A.H.; , others;

Published by: Published on:

YEAR: 2007 DOI:

We thank the following individuals for refereeing the papers in this issue of ASR. In addition to the names listed, there were a number of individuals who wished to remain anonymous.

Altamimi, Z; Appleby, G; Aquino, M; Banyai, L; Bar-Sever, YE; Barlier, F; Bettadpur, S; Biancale, R; Boomkamp, H; Bruinsma, S; , others;

Published by: Advances in Space Research Published on:

YEAR: 2007 DOI:

2006

Effect of 27-day Solar Rotation on Thermospheric Density and Composition

Crowley, G; Meier, B; Tapley, B; Bettadpur, S; Cheng, M; Ries, J; Abusali, P; Paxton, L; Christensen, A;

Published by: Published on:

YEAR: 2006 DOI:

2005

Energy transport in the thermosphere during the solar storms of April 2002

Mlynczak, Martin; Martin-Torres, Javier; Crowley, Geoff; Kratz, David; Funke, Bernd; Lu, Gang; Lopez-Puertas, Manuel; Russell, James; Kozyra, Janet; Mertens, Chris; Sharma, Ramesh; Gordley, Larry; Picard, Richard; Winick, Jeremy; Paxton, L.;

Published by: Journal of Geophysical Research Published on: Jan-01-2005

YEAR: 2005 DOI: 10.1029/2005JA011141

2004

Effect of The October-November 2003 Super-storms On Thermospheric Density and Composition

Crowley, G; Tapley, B; Bettadpur, S; Cheng, M; Paxton, LJ; Zhang, Y; Morrison, D; Christensen, A; Meier, R; Strickland, DJ;

Published by: Published on:

YEAR: 2004 DOI:

Thermospheric infrared radiance response to the April 2002 geomagnetic storm from SABER infrared and GUVI ultraviolet limb data

The SABER instrument on TIMED continuously measures certain infrared limb radiance profiles with unprecedented sensitivity. Among these are emissions of CO₂ ν₃ at 4.3 μm, routinely recorded to tangent heights of ~140-150 km, and NO at 5.3 μm, seen to above ~200 km and ~300 km, respectively. We use these infrared channels of SABER and coincident far ultraviolet (FUV) measurements from GUVI on TIMED, to study the geometric storm of April 2002. These all give a consistent measure of auroral energy in ...

Winick, Jeremy; Mlynczak, Martin; Wintersteiner, Peter; Martin-Torres, Francisco; Picard, Richard; Paxton, L.; Lopez-Puertas, Manuel; Russell, James; Christensen, Andrew; Gordley, Larry;

Published by: Published on:

YEAR: 2004 DOI: 10.1117/12.515982

2003

The natural thermostat of nitric oxide emission at 5.3 μm in the thermosphere observed during the solar storms of April 2002

The Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) experiment on the Thermosphere-Ionosphere Mesosphere Energetics and Dynamics (TIMED) satellite observed the infrared radiative response of the thermosphere to the solar storm events of April 2002. Large radiance enhancements were observed at 5.3 μm, which are due to emission from the vibration-rotation bands of nitric oxide (NO). The emission by NO is indicative of the conversion of solar energy to infrared radiation within the atmosphere and repr ...

Mlynczak, Marty; Martin-Torres, F.; Russell, J.; Beaumont, K.; Jacobson, S.; Kozyra, J.; opez-Puertas, M.; Funke, B.; Mertens, C.; Gordley, L.; Picard, R.; Winick, J.; Wintersteiner, P.; Paxton, L.;