GUVI Biblio





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Found 748 entries in the Bibliography.


Showing entries from 401 through 450


2013

Semi-Empirical Satellite Accommodation Model for Spherical and Randomly Tumbling Objects

Orbits of launch-vehicle upper stages and spheres were observed by U.S. Air Force Space Command, and the resulting observations were converted by the Space Analysis Office to fitted ballistic coefficients by comparing the observed orbit with an orbit predicted by an atmospheric-drag model. The ballistic coefficients contain signals that result from atmospheric variability not captured by the model as well as signals that correspond to changes in the satellite-drag coefficient. For objects in highly elliptical orbits with ...

Pilinski, Marcin; Argrow, Brian; Palo, Scott; Bowman, Bruce;

Published by: Journal of Spacecraft and Rockets      Published on: 05/2013

YEAR: 2013     DOI: 10.2514/1.A32348

Statistical comparison of isolated and non-isolated auroral substorms

The present study compares isolated and non-isolated substorms in terms of their global morphology and energy deposition. The analysis is based on a list of geomagnetic substorm onsets identified with magnetometer data from SuperMAG and published previously by Newell and Gjerlove (2011a). Isolated substorms are defined as those with separation of two consecutive onsets no less than 3 h. The auroral data are obtained from the global ultraviolet imager (GUVI) on board the TIMED satellite and are rebinned into typical magnet ...

Liou, Kan; Newell, Patrick; Zhang, Yong-Liang; Paxton, Larry;

Published by: Journal of Geophysical Research: Space Physics      Published on: 05/2013

YEAR: 2013     DOI: 10.1002/jgra.50218

auroral power; auroral substorm; GUVI; SuperMAG; TIMED

Annual asymmetry in thermospheric density: Observations and simulations

[1]\ In this paper, the Challenging Minisatellite Payload (CHAMP) and Gravity Recovery and Climate Experiment (GRACE) observations during 2002\textendash2010 are utilized to study the variation of the annual asymmetry in thermospheric density at 400 km under low solar activity condition (F10.7 = 80) based on the method of empirical orthogonal functions (EOFs). The derived asymmetry index (AI) in thermospheric density from the EOF analysis shows a strong latitudinal variation at night but varies a little with ...

Lei, Jiuhou; Dou, Xiankang; Burns, Alan; Wang, Wenbin; Luan, Xiaoli; Zeng, Zhen; Xu, JiYao;

Published by: Journal of Geophysical Research: Space Physics      Published on: 05/2013

YEAR: 2013     DOI: 10.1002/jgra.50253

Annual asymmetry; Empirical orthogonal functions; Sun-Earth distance; Upper thermosphere

Multi-Periodic Auroral and Thermospheric Variations in 2006

Zhang, Yongliang; Paxton, L.; Kil, Hyosub;

Published by: Terrestrial, Atmospheric and Oceanic Sciences      Published on: 04/2013

YEAR: 2013     DOI: 10.3319/TAO.2012.09.20.01(SEC)

The day-to-day longitudinal variability of the global ionospheric density distribution at low latitudes during low solar activity

One important characteristic of longitudinal variability of the ionosphere is the global wavenumber-4 signature. Recent investigations have focused mainly on the climatological pattern during daytime and evening sectors. We investigate the day-to-day variability of the wavenumber-4 structure of the longitudinal ionospheric density distribution using the global total electron content (TEC) measurements from Global Positioning Systems receivers on the ground. The quiet time (Kp <= 3) day-to-day occurrence of the wavenumber- ...

Pacheco, E.; Yizengaw, E.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 04/2013

YEAR: 2013     DOI: 10.1002/jgra.50241

day-to-day; Ionosphere; longitudinal variability; TEC; wavenumber-4

Determination of the Ionospheric Electron Density Profile from FUV Remote Sensing Measurements

A limb viewing model is established in this paper based on GUVI measurements of OI 135.6 nm nightglow and a method with Chapman function describing the distribution of ionospheric electron density is presented to obtain the ionospheric electron density profile. We apply the regularization and Newton iteration method to calculate ionospheric peak electron density and peak height with GUVI measurements, eliminating the ill condition of the weighted matrix. The ionospheric electron density profile is obtained using the calcu ...

Jing, Wang; Yi, TANG; Zhi-Ge, ZHANG; Xu-Li, ZHENG; Guo-Qiang, NI;

Published by: Chinese Journal of Geophysics      Published on: 03/2013

YEAR: 2013     DOI: 10.1002/cjg2.20011

Electron density profile; Far ultraviolet spectrum remote sensing; GUVI; Ionosphere

Empirical relationship between electron precipitation and far-ultraviolet auroral emissions from DMSP observations

Auroral emissions observed in the far-ultraviolet wavelength range are compared with measurements of the coincident precipitating electrons and ions that produce the emissions in a large-scale correlative study. The auroral emissions and particle precipitation are observed with the Special Sensor Ultraviolet Spectrographic Imager and SSJ5 detectors, respectively, both onboard the DMSP F16 satellite. Coincident observations along the same magnetic field line in the Northern Hemisphere are assembled from two consecutive win ...

Sotirelis, Thomas; Korth, Haje; Hsieh, Syau-Yun; Zhang, Yongliang; Morrison, Daniel; Paxton, Larry;

Published by: Journal of Geophysical Research: Space Physics      Published on: 03/2013

YEAR: 2013     DOI: 10.1002/jgra.50157

DMSP; electron aurora; electron precipitation; FUV Aurora

Geomagnetic and auroral activity driven by corotating interaction regions during the declining phase of Solar Cycle 23

A superposed epoch analysis is performed to investigate the relative impact of the solar wind/interplanetary magnetic field (IMF) on geomagnetic activity, auroral hemispheric power, and auroral morphology during corotating interaction regions (CIRs) events between 2002 and 2007, when auroral images from Thermosphere Ionosphere Mesosphere Energetics and Dynamics/Global Ultraviolet Imager were available. Four categories of CIRs have been compared. These were classified by the averaged IMF Bz and the time of maximum solar wi ...

Luan, Xiaoli; Wang, Wenbin; Lei, Jiuhou; Burns, Alan; Dou, Xiankang; Xu, JiYao;

Published by: Journal of Geophysical Research: Space Physics      Published on: 03/2013

YEAR: 2013     DOI: 10.1002/jgra.50195

auroral morphology; corotating interaction regions; solar wind/IMF forcing

Signatures of equatorial plasma bubbles in VHF satellite scintillations and equatorial ionograms

Since their discovery in the 1970s, equatorial plasma bubbles (EPBs) have been invoked to explain the propagation of VHF signals on trans-equatorial circuits at night, and blamed for highly detrimental scintillation of VHF and GHz trans-ionospheric communications signals in equatorial regions. Over the last four decades, the properties of EPBs have been deduced by multiple techniques such as incoherent scatter radar, 630 nm airglow, depletions in GPS total electron content observations, VHF and GHz scintillations, and HF ...

McNamara, L.; Caton, R.; Parris, R.; Pedersen, T.; Thompson, D.; Wiens, K.; Groves, K.;

Published by: Radio Science      Published on: 03/2013

YEAR: 2013     DOI: 10.1002/rds.v48.210.1002/rds.20025

Equatorial ionosphere; equatorial plasma bubbles

Empirical STORM-E model: II. Geomagnetic corrections to nighttime ionospheric E-region electron densities

Auroral nighttime infrared emission observed by the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) instrument onboard the Thermosphere\textendashIonosphere\textendashMesosphere Energetics and Dynamics (TIMED) satellite is used to develop an empirical model of geomagnetic storm enhancements to E-region electron densities. The empirical model is called STORM-E and will be incorporated into the 2012 release of the International Reference Ionosphere (IRI). The proxy for characterizing the E-region resp ...

Mertens, Christopher; Xu, Xiaojing; Bilitza, Dieter; Mlynczak, Martin; Russell, James;

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

YEAR: 2013     DOI: 10.1016/j.asr.2012.09.014

AURORA; Auroral particle precipitation; E-region; Infrared remote sensing; Ionosphere; Magnetic storm; TIMED

Impacts of atmospheric ultrafast Kelvin waves on radio scintillations in the equatorial ionosphere

We present a statistical analysis of the amplitudes of GPS scintillations (S4 index) observed throughout 2008\textendash2010 using the satellite radio occultation measurements of the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC). Here, for the first time, periodic variability in the occurrence of S4 is investigated using these data. Significant variations of S4 with periods of 2.5\textendash4 days (quasi-3 days) are identified from the observations during postsunset hours (1900\textendas ...

Liu, Guiping; Immel, Thomas; England, Scott; Frey, Harald; Mende, Stephen; Kumar, Karanam; Ramkumar, Geetha;

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

YEAR: 2013     DOI: 10.1002/jgra.50139

day-to-day variability; Equatorial ionosphere; scintillation; Ultra Fast Kelvin planetary wave

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

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

Solar cycle dependence of the seasonal variation of auroral hemispheric power

Although much has been done on the hemispheric asymmetry (or seasonal variations) of auroral hemispheric power (HP), the dependence of HP hemispheric asymmetry on solar cycle has not yet been studied. We have analyzed data during 1979\textendash2010 and investigated the dependence of HP hemispheric asymmetry/seasonal variation for the whole solar cycle. Here we show that (1) the hemispheric asymmetry of HP is positively correlated to the value of solar F10.7 with some time delay; (2) it is closely related to the coupling ...

Zheng, Ling; Fu, SuiYan; Zong, QuiGang; Parks, George; Wang, Chi; Chen, Xi;

Published by: Chinese Science Bulletin      Published on: 02/2013

YEAR: 2013     DOI: 10.1007/s11434-012-5378-6

auroral power; coupling function; hemispheric asymmetry; precipitation; solar cycle

East-west differences in F -region electron density at midlatitude: Evidence from the Far East region

The global configuration of the geomagnetic field shows that the maximum east-west difference in geomagnetic declination of northern middle latitude lies in the US region (~32\textdegree), which produces the significant ionospheric east-west coast difference in terms of total electron content first revealed by Zhang et al. (2011). For verification, it is valuable to investigate this feature over the Far East area, which also shows significant geomagnetic declination east-west gradient but smaller (~15\textdegree) than tha ...

Zhao, Biqiang; Wang, Min; Wang, Yungang; Ren, Zhipeng; Yue, Xinan; Zhu, Jie; Wan, Weixing; Ning, Baiqi; Liu, Jing; Xiong, Bo;

Published by: Journal of Geophysical Research: Space Physics      Published on: 01/2013

YEAR: 2013     DOI: 10.1029/2012JA018235

geomagnetic declination; longitudinal variation; midlatitude ionosphere

Modeling of response of the thermosphere-ionosphere system to sudden stratospheric warmings of years 2008 and 2009

A study of the response of the thermosphere and ionosphere to sudden stratospheric warmings (SSWs) which occurred in January of 2008 and 2009 is presented. The Global Self-consistent Model of the Thermosphere, Ionosphere, and Protonosphere (GSM TIP) developed in the West Department of IZMIRAN was a theoretical basis for this study. A comparison of the simulation results of the thermosphere-ionosphere response to SSW events with the observational data over Irkutsk and also with theoretical and experimental studies carried ...

Klimenko, M.; Klimenko, V.; textquoterightkov, Yu.; Bessarab, F.; Karpov, I.; Ratovsky, K.; Chernigovskaya, M.;

Published by: Cosmic Research      Published on: 01/2013

YEAR: 2013     DOI: 10.1134/S001095251301005X

Multiple neutral density measurements in the lower thermosphere with cold-cathode ionization gauges

Cold-cathode ionization gauges were used for rocket-borne measurements of total neutral density and temperature in the aurorally forced lower thermosphere between 90 and 200\ km. A commercial gauge was adapted as a low-cost instrument with a spherical antechamber for measurements in molecular flow conditions. Three roll-stabilized payloads on different trajectories each carried two instruments for measurements near the ram flow direction along the respective upleg and downleg segments of a flight path, and six densit ...

Lehmacher, G.A.; Gaulden, T.M.; Larsen, M.F.; Craven, J.D.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 01/2013

YEAR: 2013     DOI: 10.1016/j.jastp.2012.11.002

Instruments and techniques; Pressure density and temperature; thermosphere

Nonmigrating tidal signatures in the magnitude and the inter-hemispheric asymmetry of the equatorial ionization anomaly

Based on nine years of observations from the satellites CHAMP and GRACE the tidal signatures in the magnitude and the inter-hemisphere asymmetry of the equatorial ionization anomaly (EIA) have been investigated in this study. The EIA magnitude parameters show longitudinal wavenumber 4 and 3 (WN4/WN3) patterns during the months around August and December, respectively, while for different EIA parameters the contributions of the various tidal parameters are different. For the crest- to-trough ratio (CTR) the dominating nonm ...

Xiong, C.; Lühr, H.;

Published by: Annales Geophysicae      Published on: 01/2013

YEAR: 2013     DOI: 10.5194/angeo-31-1115-2013

Atmospheric dynamics; Equatorial ionosphere; Ionosphere; ionosphere\textendashatmosphere interactions. Meteorology

Variability of ionospheric TEC during solar and geomagnetic minima (2008 and 2009): external high speed stream drivers

We study solar wind\textendashionosphere coupling through the late declining phase/solar minimum and geomagnetic minimum phases during the last solar cycle (SC23) \textendash 2008 and 2009. This interval was characterized by sequences of high-speed solar wind streams (HSSs). The concomitant geomagnetic response was moderate geomagnetic storms and high-intensity, long-duration continuous auroral activity (HILDCAA) events. The JPL Global Ionospheric Map (GIM) software and the GPS total electron content (TEC) database were u ...

Verkhoglyadova, O.; Tsurutani, B.; Mannucci, A.; Mlynczak, M.; Hunt, L.; Runge, T.;

Published by: Annales Geophysicae      Published on: 01/2013

YEAR: 2013     DOI: 10.5194/angeo-31-263-2013

Ionosphere; Magnetospheric physics; Storms; substorms

Ground GNSS Ionosphere Sounding

Ionospheric delay will bring errors for GNSS navigation and positioning when the electromagnetic wave signal goes through the earth\textquoterights ionosphere from satellites to receivers. The amount of ionospheric delay of GNSS varies from a few meters to decades of meters, but could reach more than decades of meters during severe ionosphere storms. In contrast, the GNSS ionospheric delay may provide some useful information on the ionosphere, e.g. the total electron content (TEC). In this chapter, the theory and methods ...

Jin, Shuanggen; Cardellach, Estel; Xie, Feiqin; Jin, Shuanggen; Cardellach, Estel; Xie, Feiqin;

Published by:       Published on:

YEAR: 2013     DOI: 10.1007/978-94-007-7482-7_4

High-Latitude Thermospheric Density and Wind Dependence on Solar and Magnetic Activity

Processes in the high-latitude thermosphere are strongly controlled by the activity of the sun and by the geomagnetic field geometry. The CHAMP satellite, with its sensitive tri-axial accelerometer, provided detailed information about thermospheric dynamics over its mission life-time (2000\textendash2010), thus contributing significantly to the CAWSES (Climate And Weather of the Sun-Earth System) programme. In this chapter, studies on thermospheric winds and density anomalies at high magnetic latitudes are presented. Ther ...

Lühr, Hermann; Marker, Stefanie;

Published by:       Published on:

YEAR: 2013     DOI: 10.1007/978-94-007-4348-9_11

Impact of rocket exhaust plumes on atmospheric composition and climate — an overview

Rockets are the only direct anthropogenic emission sources into the upper atmosphere. Gaseous rocket emissions include CO, N2, H2, H2O, and CO2, while solid rocket motors (SRM) additionally inject significant amounts of aluminum oxide (Al2O3) particles and gaseous chlorine species into the atmosphere. These emissions strongly perturb local atmospheric trace gas and aerosol distributions. Here, previous aircraft measurements in various rocket exhaust plumes ...

Voigt, Ch.; Schumann, U.; Graf, K.; Gottschaldt, K.-D.;

Published by:       Published on:

YEAR: 2013     DOI: 10.1051/eucass/201304657

An interhemispheric comparison of GPS phase scintillation with auroral emission observed at the South Pole and from the DMSP satellite

The global positioning system (GPS) phase scintillation caused by highlatitude ionospheric irregularities during an intense high-speed stream (HSS) of the solar wind from April 29 to May 5, 2011, was observed using arrays of GPS ionospheric scintillation and total electron content monitors in the Arctic and Antarctica. The one-minute phase-scintillation index derived from the data sampled at 50 Hz was complemented by a proxy index (delta phase rate) obtained from 1-Hz GPS data. The scintillation occurrence coincided with ...

Prikryl, Paul; Zhang, Yongliang; Ebihara, Yusuke; Ghoddousi-Fard, Reza; Jayachandran, Periyadan; Kinrade, Joe; Mitchell, Cathryn; Weatherwax, Allan; Bust, Gary; Cilliers, Pierre; , others;

Published by: Annals of Geophysics      Published on:

YEAR: 2013     DOI:

Ionospheric Sounding and Tomography by GNSS

Studies of the ionosphere and the physics of the ionospheric processes rely on the knowledge of spatial distribution of the ionospheric plasma. Being the propagation medium for radio waves, the ionosphere significantly affects the performance of various navigation, location, and communication systems. Therefore, investigation into the structure of the ionosphere is of interest for many practical applications. Existing satellite navigation systems with corresponding ground receiving networks are suitable for sounding the i ...

Kunitsyn, Vyacheslav; Andreeva, Elena; Nesterov, Ivan; Padokhi, Artem;

Published by:       Published on:

YEAR: 2013     DOI: 10.5772/54589

The NCAR TIE-GCM: A community model of the coupled thermosphere/ionosphere system

Qian, Liying; Burns, Alan; Emery, Barbara; Foster, Benjamin; Lu, Gang; Maute, Astrid; Richmond, Arthur; Roble, Raymond; Solomon, Stanley; Wang, Wenbin;

Published by: Modeling the Ionosphere-Thermosphere System      Published on:

YEAR: 2013     DOI:

Retrieving ionospheric electron density profile from FUV spectral remote sensing measurements

Tang, Y;

Published by: Diqiu Wuli Xuebao      Published on:

YEAR: 2013     DOI:

Simulation of the system response of the thermosphere ionosphere on FLASH stratospheric warming in 2008 and 2009

Ratovsky, KG; Chernihiv, MA;

Published by: Space Research      Published on:

YEAR: 2013     DOI:

SSUSI Aurora Forecast Model

A new capability has been developed at JHU/APL for forecasting the global aurora quantities based on the DMSP SSUSI data and the TIMED/GUVI Global Aurora Model. The SSUSI Aurora Forecast Model predicts the electron energy flux, mean energy, and equatorward boundary in the auroral oval for up to 1 day or 15 DMSP orbits in advance. In our presentation, we will demonstrate this newly implemented capability and its results. The future improvement plan will be discussed too.

Hsieh, S.~W.; Zhang, Y.; Schaefer, R.~K.; Romeo, G.; Paxton, L.;

Published by: AGU Fall Meeting Abstracts      Published on:

YEAR: 2013     DOI:

Auroral phenomena; forecasting; Ionosphere/magnetosphere interactions; Modeling and forecasting

Study on near-far ultraviolet imaging spectrometer with high resolution

A near-far ultraviolet imaging spectrometer with high resolution is developed,which can be applied to the upper atmosphere observation in 115nm-295nm. The application demands of the corresponding remote sensing are analyzed. Because the imaging spectrum technology has been rarely utilized for the ionosphere observation in our country, we study some foreign advanced loads to apply the standard to our design. According to the analysis, the optical system of the imaging spectrometer is designed. The system includes an off- ...

Cong, Hai-fang; Wang, Chunhui; Wang, Yu;

Published by:       Published on:

YEAR: 2013     DOI: 10.1117/12.2032920

Imaging spectrometer; Near-far ultraviolet; Spatial resolution; Spectral resolution

2012

A simulation study for the couplings between DE3 tide and longitudinal WN4 structure in the thermosphere and ionosphere

Wan, W.; Ren, Z.; Ding, F.; Xiong, J.; Liu, L.; Ning, B.; Zhao, B.; Li, G.; Zhang, M.-L.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-12-2012

YEAR: 2012     DOI: 10.1016/j.jastp.2012.04.011

Thermosphere\textendashionosphere coupling in response to recurrent geomagnetic activity

Mukhtarov, Plamen; Pancheva, Dora;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-12-2012

YEAR: 2012     DOI: 10.1016/j.jastp.2012.02.013

Global observations of L band scintillation at solar minimum made by COSMIC

Dymond, Kenneth;

Published by: Radio Science      Published on: Jan-08-2012

YEAR: 2012     DOI: 10.1029/2011RS004931

The effects of Corotating interaction region/High speed stream storms on the thermosphere and ionosphere during the last solar minimum

Burns, A.G.; Solomon, S.C.; Qian, L.; Wang, W.; Emery, B.A.; Wiltberger, M.; Weimer, D.R.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-07-2012

YEAR: 2012     DOI: 10.1016/j.jastp.2012.02.006

Thermospheric density model biases at the 23rd sunspot maximum

Pardini, C.; Moe, K.; Anselmo, L.;

Published by: Planetary and Space Science      Published on: Jan-07-2012

YEAR: 2012     DOI: 10.1016/j.pss.2012.03.004

Day-to-day variability of equatorial anomaly in GPS-TEC during low solar activity period

Aggarwal, Malini; Joshi, H.P.; Iyer, K.N.; Kwak, Y.-S.; Lee, J.J.; Chandra, H.; Cho, K.S.;

Published by: Advances in Space Research      Published on: Jan-06-2012

YEAR: 2012     DOI: 10.1016/j.asr.2012.03.005

Two types of positive disturbances in the daytime mid-latitude F2-layer: Morphology and formation mechanisms

Mikhailov, A.V.; Perrone, L.; Smirnova, N.V.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-06-2012

YEAR: 2012     DOI: 10.1016/j.jastp.2012.04.003

Longitudinal distribution of O2 nightglow brightness observed by TIEMD/SABER satellite

Gao, Hong; Nee, JanBai; Chen, GuangMing;

Published by: Science China Technological Sciences      Published on: Jan-05-2012

YEAR: 2012     DOI: 10.1007/s11431-012-4802-0

A long-lived band of plasma density enhancement at mid-latitudes during the 2003 Halloween magnetic storm

Park, Jaeheung; Lühra, Hermann; Jakowski, Norbert; Gerzen, Tatjana; Kil, Hyosub; Jee, Geonhwa; Xiong, Chao; Min, Kyoung; Noja, Max;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-05-2012

YEAR: 2012     DOI: 10.1016/j.jastp.2012.03.009

Spatial distribution of auroral precipitation during storms caused by magnetic clouds

Yagodkina, O.I.; Despirak, I.V.; Vorobjev, V.G.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-03-2012

YEAR: 2012     DOI: 10.1016/j.jastp.2011.06.009

Comparison of Joule heating associated with high-speed solar wind between different models and observations

Huang, Yanshi; Deng, Yue; Lei, Jiuhou; Ridley, Aaron; Lopez, Ramon; Allen, Robert; Butler, Brandon;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-02-2012

YEAR: 2012     DOI: 10.1016/j.jastp.2011.05.013

Anomalously low geomagnetic energy inputs during 2008 solar minimum

Deng, Yue; Huang, Yanshi; Solomon, Stan; Qian, Liying; Knipp, Delores; Weimer, Daniel; Wang, Jing-Song;

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

YEAR: 2012     DOI: 10.1029/2012JA018039

Comment on \textquotedblleftLong-term variation in the thermosphere: TIMED/GUVI observations\textquotedblright by Y. Zhang and L. J. Paxton

Strickland, D.; Evans, J.; Correira, J.;

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

YEAR: 2012     DOI: 10.1029/2011JA017350

Dayside and nightside segments of a polar arc: The particle characteristics

Park, J.; Min, K.; Parks, G.; Zhang, Y.; Lee, J.-J.; Baker, J.; Kim, H.; Hwang, J.; Yumoto, K.; Uozumi, T.; Lee, C.;

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

YEAR: 2012     DOI: 10.1029/2011JA017323

Daytime climatology of ionospheric N m F 2 and h m F 2 from COSMIC data

Burns, A.; Solomon, S.; Wang, W.; Qian, L.; Zhang, Y.; Paxton, L.;

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

YEAR: 2012     DOI: 10.1029/2012JA017529

Equinoctial asymmetry in solar activity variations of NmF2 and TEC

Chen, Y.; Liu, L.; Wan, W.; Ren, Z.;

Published by: Annales Geophysicae      Published on: Jan-01-2012

YEAR: 2012     DOI: 10.5194/angeo-30-613-2012

Forcing the TIEGCM model with Birkeland currents from the Active Magnetosphere and Planetary Electrodynamics Response Experiment

Marsal, S.; Richmond, A.; Maute, A.; Anderson, B.;

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

YEAR: 2012     DOI: 10.1029/2011JA017416

Global Longitudinal Dependence Observation of the Neutral Wind and Ionospheric Density Distribution

Yizengaw, Endawoke;

Published by: International Journal of Geophysics      Published on: Jan-01-2012

YEAR: 2012     DOI: 10.1155/2012/342581

Global observations of E region plasma density morphology and variability

Nicolls, Michael; Rodrigues, Fabiano; Bust, Gary;

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

YEAR: 2012     DOI: 10.1029/2011JA017069

High-speed stream impacts on the equatorial ionization anomaly region during the deep solar minimum year 2008

Liu, Jing; Liu, Libo; Zhao, Biqiang; Wei, Yong; Hu, Lianhuan; Xiong, B.;

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

YEAR: 2012     DOI: 10.1029/2012JA018015

The impact of helium on thermosphere mass density response to geomagnetic activity during the recent solar minimum

Thayer, J.; Liu, X.; Lei, J.; Pilinski, M.; Burns, A.;

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

YEAR: 2012     DOI: 10.1029/2012JA017832



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