GUVI Biblio





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Found 368 entries in the Bibliography.


Showing entries from 1 through 50


2021

Thermospheric ionization from auroral particle precipitation observed by the SSUSI satellite instruments

Solar, auroral, and radiation belt electrons enter the atmosphere at polar regions leading to ionization and affecting its chemistry. Climate models usually parametrize this ionization and the related changes in chemistry based on satellite particle measurements. Precise measurements of the particle and energy influx into the upper atmosphere are difficult because they vary substantially in location and time. Widely used particle data are derived from the POES and GOES satellite measurements which provide electron and proton ...

Bender, Stefan; Espy, Patrick; Paxton, Larry;

Published by: Earth and Space Science Open Archive ESSOAr      Published on:

YEAR: 2021     DOI: 10.1002/essoar.10506056.1

Validation of SSUSI-derived auroral electron densities: comparisons to EISCAT data

Bender, Stefan; Espy, Patrick; Paxton, Larry;

Published by:       Published on:

YEAR: 2021     DOI:

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:

APL JANUS System Progress on Commercial Suborbital Launch Vehicles: Moving the Laboratory Environment to Near Space

Smith, Todd; Hacala, Ryan; Hohlfeld, Erik; Edens, Weston; Hibbitts, Charles; Paxton, Larry; Arnold, Steven; Westlake, Joseph; Rymer, Abigail; Chacos, Al; , others;

Published by: Gravitational and Space Research      Published on:

YEAR: 2021     DOI:

Validation of SSUSI-derived auroral electron densities: comparisons to EISCAT data

Bender, Stefan; Espy, Patrick; Paxton, Larry;

Published by:       Published on:

YEAR: 2021     DOI:

Large Electron Densities in the Early Morning Equatorial Ionosphere Observed with UV Instruments from Space

Schaefer, Robert; Paxton, Larry; Zhang, Yongliang; Kil, Hyosub; Romeo, Giuseppe; Wolven, Brian; Yonker, Justin;

Published by:       Published on:

YEAR: 2021     DOI:

2020

A method to derive global O/N2 ratios from SSUSI/DMSP based on Re-AURIC algorithm

Global thermospheric O/N2 column density ratios are obtained using the SSUSI/DMSP far-ultraviolet (FUV) dayglow data and the Re-AURIC simulation results. The Re-AURIC is derived from the AURIC algorithm after some old modules are updated. The calculation processes of O/N2 ratio are then established using the simulations of Re-AURIC to calibrate the ratios of the OI 135.6\ nm emission and N2 LBHS emission from SSUSI observations. The standard deviation (1σ) and correlation co ...

Ding, GuangXing; Chen, Bo; Zhang, Xiaoxin; He, Fei;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 03/2020

YEAR: 2020     DOI: 10.1016/j.jastp.2020.105196

FUV dayglow; Magnetic storm; O/N2 ratio; Re-AURIC

Aurora in the Polar Cap: A Review

This paper reviews our current understanding of auroral features that appear poleward of the main auroral oval within the polar cap, especially those that are known as Sun-aligned arcs, transpolar arcs, or theta auroras. They tend to appear predominantly during periods of quiet geomagnetic activity or northwards directed interplanetary magnetic field (IMF). We also introduce polar rain aurora which has been considered as a phenomenon on open field lines. We describe the morphology of such auroras, their ...

Hosokawa, Keisuke; Kullen, Anita; Milan, Steve; Reidy, Jade; Zou, Ying; Frey, Harald; Maggiolo, Romain; Fear, Robert;

Published by: Space Science Reviews      Published on: 02/2020

YEAR: 2020     DOI: 10.1007/s11214-020-0637-3

Dynamical Properties of Peak and Time-Integrated Geomagnetic Events Inferred From Sample Entropy

We provide a comprehensive statistical analysis of the sample entropy of peak and time-integrated geomagnetic events in 2001\textendash2017, considering different measures of event strength, different geomagnetic indices, and a simplified solar wind-magnetosphere coupling function urn:x-wiley:jgra:media:jgra55526:jgra55526-math-0001. Our investigations ...

Mourenas, D.; Artemyev, A.; Zhang, X.-J.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 02/2020

YEAR: 2020     DOI: 10.1029/2019JA027599

Dynamical complexity; Entropy; geomagnetic indices; Geomagnetic storms; Solar wind magnetosphere coupling

Evaluation on the Quasi-Realistic Ionospheric Prediction Using an Ensemble Kalman Filter Data Assimilation Algorithm

In this work, we evaluated the quasi-realistic ionosphere forecasting capability by an ensemble Kalman filter (EnKF) ionosphere and thermosphere data assimilation algorithm. The National Center for Atmospheric Research Thermosphere Ionosphere Electrodynamics General Circulation Model is used as the background model in the system. The slant total electron contents (TECs) from global International Global Navigation Satellite Systems Service ground-based receivers and from the Constellation Observing System for Meteorology, ...

He, Jianhui; Yue, Xinan; Le, Huijun; Ren, Zhipeng; Wan, Weixing;

Published by: Space Weather      Published on: 02/2020

YEAR: 2020     DOI: 10.1029/2019SW002410

A case study of isolated auroral spots based on DMSP data

This study employed ultraviolet images and particle data to investigate isolated auroral spots away from the Earth\textquoterights auroral oval. Data from SSUSI (Special Sensor Ultraviolet Spectrographic Imager) and SSJ (Special Sensor J) mounted on the DMSP (Defence Meteorological Satellite Program) spacecraft were examined. The isolated auroral spots were observed by DMSP F16/SSUSI and F17/SSUSI on 29 May 2010 during the recovery phase of a moderate geomagnetic storm with a minimum SYM-H index of -70 ...

Zhou, Su; Chen, Yuqing; Zhang, Jin;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 01/2020

YEAR: 2020     DOI: 10.1016/j.jastp.2019.105176

Isolated auroral spots; Proton aurora; Subauroral electron precipitation

Comparison of Reference Heights of O/N 2 and ∑O/N 2 Based on GUVI Dayside Limb Measurement

We define a new thermospheric concept, the reference heights of O/N2, referring to a series of thermospheric heights corresponding to the fixed ratios of O to N2 number density. Here, based on Global Ultraviolet Imager (GUVI) limb measurement, we compare O/N2 column density ratio (∑O/N2) and the reference heights of O/N2. We choose the transition height of O and N2 (transition height hereafter), a special reference height at which O number density is equa ...

Yu, Tingting; Ren, Zhipeng; Yu, You; Yue, Xinan; Zhou, Xu; Wan, Weixing;

Published by: Space Weather      Published on: 01/2020

YEAR: 2020     DOI: 10.1029/2019SW002391

O/N2 ratio

Impacts of Binning Methods on High-Latitude Electrodynamic Forcing: Static Versus Boundary-Oriented Binning Methods

An outstanding issue in the general circulation model simulations for Earth\textquoterights upper atmosphere is the inaccurate estimation of Joule heating, which could be associated with the inaccuracy of empirical models for high-latitude electrodynamic forcing. The binning methods used to develop those empirical models may contribute to the inaccuracy. Traditionally, data are binned through a static binning approach by using fixed geomagnetic coordinates, in which the dynamic nature of the forcing is ...

Zhu, Qingyu; Deng, Yue; Richmond, Arthur; Maute, Astrid; Chen, Yun-Ju; Hairston, Marc; Kilcommons, Liam; Knipp, Delores; Redmon, Robert; Mitchell, Elizabeth;

Published by: Journal of Geophysical Research: Space Physics      Published on: 01/2020

YEAR: 2020     DOI: 10.1029/2019JA027270

Electric field; high latitude; Joule heating; particle precipitation

Impacts of Binning Methods on High-Latitude Electrodynamic Forcing: Static Versus Boundary-Oriented Binning Methods

An outstanding issue in the general circulation model simulations for Earth\textquoterights upper atmosphere is the inaccurate estimation of Joule heating, which could be associated with the inaccuracy of empirical models for high-latitude electrodynamic forcing. The binning methods used to develop those empirical models may contribute to the inaccuracy. Traditionally, data are binned through a static binning approach by using fixed geomagnetic coordinates, in which the dynamic nature of the forcing is ...

Zhu, Qingyu; Deng, Yue; Richmond, Arthur; Maute, Astrid; Chen, Yun-Ju; Hairston, Marc; Kilcommons, Liam; Knipp, Delores; Redmon, Robert; Mitchell, Elizabeth;

Published by: Journal of Geophysical Research: Space Physics      Published on: 01/2020

YEAR: 2020     DOI: 10.1029/2019JA027270

Electric field; high latitude; Joule heating; particle precipitation

Ionospheric parameters in the European sector during the magnetic storm of August 25—26, 2018

Blagoveshchensky, DV; Sergeeva, MA;

Published by: Advances in Space Research      Published on:

YEAR: 2020     DOI:

A New method for deriving the nightside thermospheric density based on guvi dayside limb observations

Yu, Tingting; Ren, Zhipeng; Yu, You; Wan, Weixing;

Published by: Space Weather      Published on:

YEAR: 2020     DOI:

Understanding the Behavior of the Ionosphere—Thermosphere—Mesosphere at Solar Minimum I

Paxton, Larry; Deng, Yue; Liu, Huixin; Fang, Tzu-Wei;

Published by:       Published on:

YEAR: 2020     DOI:

Middle atmosphere ionization from auroral particle precipitation as observed by the SSUSI satellite instruments

Bender, Stefan; Espy, Patrick; Paxton, Larry;

Published by:       Published on:

YEAR: 2020     DOI:

SIHLA, a Mission of Opportunity to L1 to Map H Lyman Alpha Emissions from the Heliopause, the Interplanetary Medium, the Earth s Geocorona and Comets

Paxton, Larry; Provornikova, Elena; Roelof, Edmond; emerais, Eric; Izmodenov, Vladislav; Katushkina, Olga; Mierkiewicz, Edwin; Baliukin, Igor; Gruntman, Mike; Taguchi, Makoto; , others;

Published by:       Published on:

YEAR: 2020     DOI:

2019

The dependence of four-peak longitudinal structure of the tropical electric field on the processes in the lower atmosphere and geomagnetic field configuration

Klimenko, V.V.; Klimenko, M.V.; Bessarab, F.S.; Sukhodolov, T.V.; Rozanov, E.V.;

Published by: Advances in Space Research      Published on: 11/2019

YEAR: 2019     DOI: 10.1016/j.asr.2019.06.029

The dependence of four-peak longitudinal structure of the tropical electric field on the processes in the lower atmosphere and geomagnetic field configuration

Klimenko, V.V.; Klimenko, M.V.; Bessarab, F.S.; Sukhodolov, T.V.; Rozanov, E.V.;

Published by: Advances in Space Research      Published on: 11/2019

YEAR: 2019     DOI: 10.1016/j.asr.2019.06.029

A new method for deriving the nightside thermospheric density based on GUVI dayside limb observations

We propose a new method to derive the nightside thermsopheric density by extending GUVI dayside limb observations using empirical orthogonal function (EOF) analysis. First, we acquire the GUVI dayside total mass density during 2002-2005 to construct a preliminary empirical model (EM). Simultaneously, we decompose the background thermospheric density from US Naval Research Laboratory Mass Spectrometer and Incoherent Scatter Radar Extended (NRLMSISE-00) model into different empirical orthogonal functions (EOFs). The decompo ...

Yu, Tingting; Ren, Zhipeng; Yu, You; Wan, Weixing;

Published by: Space Weather      Published on: 10/2019

YEAR: 2019     DOI: 10.1029/2019SW002304

Global-Scale Observations of the Equatorial Ionization Anomaly

The National Aeronautics and Space Administration Global-scale Observations of the Limb and Disk ultraviolet spectrograph has been imaging the equatorial ionization anomaly (EIA), regions of the ionosphere with enhanced electron density north and south of the magnetic equator, since October 2018. The initial 3 months of observations was during solar minimum conditions, and they included observations in December solstice of unanticipated variability and depleted regions. Depletions are seen on most nights, in contrast to e ...

Eastes, R.; Solomon, S.; Daniell, R.; Anderson, D.; Burns, A.; England, S.; Martinis, C.; McClintock, W.;

Published by: Geophysical Research Letters      Published on: 08/2019

YEAR: 2019     DOI: 10.1029/2019GL084199

Ionospheric parameters in the European sector during the magnetic storm of August 25\textendash26, 2018

Variations of ionospheric parameters Total Electron Content (TEC) by GNSS, critical frequency (foF2) by vertical sounding and electron density (Ne) by low-altitude satellite were studied at high, mid and low latitudes of the European sector during the magnetic storm of August 25\textendash26, 2018. During the main phase of the storm the ionospheric F2-layer was under the positive disturbance at mid and low latitudes. Then the transition from the positive to negative ΔfoF2 values occurred at all latitudes. The recovery ph ...

Blagoveshchensky, D.V.; Sergeeva, M.A.;

Published by: Advances in Space Research      Published on: 08/2019

YEAR: 2019     DOI: 10.1016/j.asr.2019.07.044

New Aspects of the Ionospheric Behavior Over Millstone Hill During the 30-Day Incoherent Scatter Radar Experiment in October 2002

The geomagnetic storm-driven ionospheric changes and the involved processes are interesting and challenging topics in understanding and predicting the ionosphere. In this study we investigate the response of the ionosphere to geomagnetic disturbances during the 30-day incoherent scatter radar measurements conducted at Millstone Hill (42.6\textdegreeN, 71.5\textdegreeW) from 4 October to 4 November 2002. During geomagnetically disturbed periods, while the peak electron density of the F2 layer (NmF2) and total electron cont ...

Liu, Libo; Le, Huijun; Chen, Yiding; Zhang, Ruilong; Wan, Weixing; Zhang, Shun-Rong;

Published by: Journal of Geophysical Research: Space Physics      Published on: 07/2019

YEAR: 2019     DOI: 10.1029/2019JA026806

Response of ionosphere over Korea and adjacent areas to 17 March 2015 geomagnetic storm

Mengist, Chalachew;

Published by: Advances in Space Research      Published on: 07/2019

YEAR: 2019     DOI: 10.1016/j.asr.2019.03.038

Imaging of the Daytime Ionospheric Equatorial Arcs With Extreme and Far Ultraviolet Airglow

We present the first global images of the daytime ionosphere equatorial arcs as manifested in the 83.4-nm airglow. These images were collected by the Limb-Imaging Ionospheric and Thermospheric Extreme-Ultraviolet Spectrograph that commenced operations on the International Space Station in early 2017. We compare these to simultaneous images of the ionospheric radiative recombination airglow at 135.6 nm measured between 250- and 350-km tangent altitudes, where the emission is generated primarily by radiative recombination o ...

Stephan, A.; Finn, S.; Cook, T.; Geddes, G.; Chakrabarti, S.; Budzien, S.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 06/2019

YEAR: 2019     DOI: 10.1029/2019JA026624

Assimilation of Multiple Data Types to a Regional Ionosphere Model With a 3D-Var Algorithm (IDA4D)

For the purpose of building a regional (bound 20\textendash60\textdegreeN in latitude and 110\textendash160\textdegreeE in longitude) ionospheric nowcast model, we investigated the performance of IDA4D (Ionospheric Data Assimilation Four-Dimension) technique considering International Reference Ionosphere model as the background. The data utilized in assimilation were slant total electron content (STEC) from 27 ground GPS (Global Positioning System) receiver stations and NmF2 (ionospheric F2 peak density) from five ionoson ...

Mengist, Chalachew; Ssessanga, Nicholas; Jeong, Se-Heon; Kim, Jeong-Heon; Kim, Yong; Kwak, Young-Sil;

Published by: Space Weather      Published on: 06/2019

YEAR: 2019     DOI: 10.1029/2019SW002159

Wide-field auroral imager onboard the Fengyun satellite

The newly launched Fengyun-3D (FY-3D) satellite carried a wide-field auroral imager (WAI) that was developed by Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences (CIOMP), which will provide a large field of view (FOV), high spatial resolution, and broadband ultraviolet images of the aurora and the ionosphere by imaging the N2 LBH bands of emissions. The WAI consists of two identical cameras, each with an FOV of 68\textdegree in the along-track direction and 10\textdegree in ...

Zhang, Xiao-Xin; Chen, Bo; He, Fei; Song, Ke-Fei; He, Ling-Ping; Liu, Shi-Jie; Guo, Quan-Feng; Li, Jia-Wei; Wang, Xiao-Dong; Zhang, Hong-Ji; Wang, Hai-Feng; Han, Zhen-Wei; Sun, Liang; Zhang, Pei-Jie; Dai, Shuang; Ding, Guang-Xing; Chen, Li-Heng; Wang, Zhong-Su; Shi, Guang-Wei; Zhang, Xin; Yu, Chao; Yang, Zhong-Dong; Zhang, Peng; Wang, Jin-Song;

Published by: Light: Science \& Applications      Published on: 05/2019

YEAR: 2019     DOI: 10.1038/s41377-019-0157-7

Wide-field auroral imager onboard the Fengyun satellite

The newly launched Fengyun-3D (FY-3D) satellite carried a wide-field auroral imager (WAI) that was developed by Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences (CIOMP), which will provide a large field of view (FOV), high spatial resolution, and broadband ultraviolet images of the aurora and the ionosphere by imaging the N2 LBH bands of emissions. The WAI consists of two identical cameras, each with an FOV of 68\textdegree in the along-track direction and 10\textdegree in ...

Zhang, Xiao-Xin; Chen, Bo; He, Fei; Song, Ke-Fei; He, Ling-Ping; Liu, Shi-Jie; Guo, Quan-Feng; Li, Jia-Wei; Wang, Xiao-Dong; Zhang, Hong-Ji; Wang, Hai-Feng; Han, Zhen-Wei; Sun, Liang; Zhang, Pei-Jie; Dai, Shuang; Ding, Guang-Xing; Chen, Li-Heng; Wang, Zhong-Su; Shi, Guang-Wei; Zhang, Xin; Yu, Chao; Yang, Zhong-Dong; Zhang, Peng; Wang, Jin-Song;

Published by: Light: Science \& Applications      Published on: 05/2019

YEAR: 2019     DOI: 10.1038/s41377-019-0157-7

L-band scintillation and TEC variations on St. Patrick\textquoterights Day storm of 17 March 2015 over Indian longitudes using GPS and GLONASS observations

The aim of the present study is to investigate the response of ionospheric total electron content (TEC), Global Positioning System (GPS) and Global Navigation Satellite System (GLONASS) scintillations during 17 March 2015 St. Patrick\textquoterights Day geomagnetic storm over Visakhapatnam, which is popularly known as Waltair (WALT) in the literature. GPS TEC observations obtained from five IGS stations (SGOC, IISC, HYDE, LCK4 and LHAZ) and WALT during the storm have been compared. The TEC derived from GPS, GLONASS conste ...

Srinivasu, K; Prasad, D; Niranjan, K; Seemala, Gopi; Venkatesh, K;

Published by: Journal of Earth System Science      Published on: 03/2019

YEAR: 2019     DOI: 10.1007/s12040-019-1097-6

Comparison of Thermospheric Density Between GUVI Dayside Limb Data and CHAMP Satellite Observations: Based on Empirical Model

The Global Ultraviolet Imager (GUVI) aboard the Thermosphere-Ionosphere-Mesosphere Energetics and Dynamics (TIMED) satellite senses far ultraviolet airglow emissions in the thermosphere. The retrieved altitude profiles of thermospheric neutral density from GUVI daytime limb scans are significant for ionosphere-thermosphere study. Here, we use the profiles of the main neutral density to derive the total mass density during the period 2002\textendash2007 under geomagnetic quiet conditions (ap\ \<\ =12) ...

Yu, Tingting; Ren, Zhipeng; Yue, Xinan; Yu, You; Wan, Weixing;

Published by: Journal of Geophysical Research: Space Physics      Published on: 03/2019

YEAR: 2019     DOI: 10.1029/2018JA026229

Longitudinal variations of the ionospheric trough position

For the first time a comprehensive pattern of the longitudinal effect of the ionospheric trough position was obtained. We present new results with longitudinal variations of the winter trough position as a function of geomagnetic latitude for both hemispheres and conditions of high and low solar activity and all local time hours. We used a large observational data set obtained onboard the Kosmos-900, Interkosmos-19 and CHAMP satellites for quiet geomagnetic conditions. We found that a magnitude of the trough position long ...

Karpachev, A.T.; Klimenko, M.V.; Klimenko, V.V.;

Published by: Advances in Space Research      Published on: 01/2019

YEAR: 2019     DOI: 10.1016/j.asr.2018.09.038

Longitudinal variations of the ionospheric trough position

For the first time a comprehensive pattern of the longitudinal effect of the ionospheric trough position was obtained. We present new results with longitudinal variations of the winter trough position as a function of geomagnetic latitude for both hemispheres and conditions of high and low solar activity and all local time hours. We used a large observational data set obtained onboard the Kosmos-900, Interkosmos-19 and CHAMP satellites for quiet geomagnetic conditions. We found that a magnitude of the trough position long ...

Karpachev, A.T.; Klimenko, M.V.; Klimenko, V.V.;

Published by: Advances in Space Research      Published on: 01/2019

YEAR: 2019     DOI: 10.1016/j.asr.2018.09.038

Space Weather Modeling Capabilities Assessment: Auroral Precipitation and High-Latitude Ionospheric Electrodynamics

As part of its International Capabilities Assessment effort, the Community Coordinated Modeling Center initiated several working teams, one of which is focused on the validation of models and methods for determining auroral electrodynamic parameters, including particle precipitation, conductivities, electric fields, neutral density and winds, currents, Joule heating, auroral boundaries, and ion outflow. Auroral electrodynamic properties are needed as input to space weather models, to test and validate the accuracy of phys ...

Robinson, Robert; Zhang, Yongliang; Garcia-Sage, Katherine; Fang, Xiaohua; Verkhoglyadova, Olga; Ngwira, Chigomezyo; Bingham, Suzy; Kosar, Burcu; Zheng, Yihua; Kaeppler, Stephen; Liemohn, Michael; Weygand, James; Crowley, Geoffrey; Merkin, Viacheslav; McGranaghan, Ryan; Mannucci, Anthony;

Published by: Space Weather      Published on: 01/2019

YEAR: 2019     DOI: 10.1029/2018SW002127

Critical issues in ionospheric data quality and implications for scientific studies

Araujo-Pradere, E; Weatherhead, EC; Dandenault, PB; Bilitza, D; Wilkinson, P; Coker, C; Akmaev, R; Beig, G; a, Bure\^sov\; Paxton, LJ; , others;

Published by: Radio Science      Published on:

YEAR: 2019     DOI:

Addressing O2R with the SSUSI Operational Space Sensor: Lessons Learned

Schaefer, Robert; Paxton, Larry; Romeo, Giuseppe; Kil, Hyosub; Wolven, Brian; Zhang, Yongliang;

Published by:       Published on:

YEAR: 2019     DOI:

Global-scale observations of the equatorial ionization anomaly

Eastes, RW; Solomon, SC; Daniell, RE; Anderson, DN; Burns, AG; England, SL; Martinis, CR; McClintock, WE;

Published by: Geophysical Research Letters      Published on:

YEAR: 2019     DOI:

Seasonal Variations of O/N 2 Volume Density Ratio Retrieved from GUVI Dayside Limb Measurement

Yu, Tingting; Ren, Zhipeng; Le, Huijun; Wan, Weixing;

Published by:       Published on:

YEAR: 2019     DOI:

Response of ionosphere over Korea and adjacent areas to 17 March 2015 geomagnetic storm

Mengist, Chalachew;

Published by: Advances in Space Research      Published on:

YEAR: 2019     DOI:

New aspects of the ionospheric behavior over Millstone Hill during the 30-day incoherent scatter radar experiment in October 2002

Liu, Libo; Le, Huijun; Chen, Yiding; Zhang, Ruilong; Wan, Weixing; Zhang, Shun-Rong;

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

YEAR: 2019     DOI:

Global-scale Observations of the Equatorial Ionization Anomaly

Solomon, RW; Daniell, RE; Anderson, DN; Burns, AG; England, SL; Martinis, CR; McClintock, WE;

Published by:       Published on:

YEAR: 2019     DOI:

Development of a GUVI/SSUSI-based model for E-region electron density enhancements at northern auroral latitudes

Watson, Christopher; Themens, David; Jayachandran, PT;

Published by:       Published on:

YEAR: 2019     DOI:

Space weather modeling capabilities assessment: Auroral precipitation and high-latitude ionospheric electrodynamics

Robinson, Robert; Zhang, Yongliang; Garcia-Sage, Katherine; Fang, Xiaohua; Verkhoglyadova, Olga; Ngwira, Chigomezyo; Bingham, Suzy; Kosar, Burcu; Zheng, Yihua; Kaeppler, Stephen; , others;

Published by: Space Weather      Published on:

YEAR: 2019     DOI:

Comparison of thermospheric density between GUVI dayside limb data and CHAMP satellite observations: Based on empirical model

Yu, Tingting; Ren, Zhipeng; Yue, Xinan; Yu, You; Wan, Weixing;

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

YEAR: 2019     DOI:

Wide-field auroral imager onboard the Fengyun satellite

Zhang, Xiao-Xin; Chen, Bo; He, Fei; Song, Ke-Fei; He, Ling-Ping; Liu, Shi-Jie; Guo, Quan-Feng; Li, Jia-Wei; Wang, Xiao-Dong; Zhang, Hong-Ji; , others;

Published by: Light: Science \& Applications      Published on:

YEAR: 2019     DOI:

2018

The ionosphere response to severe geomagnetic storm in March 2015 on the base of the data from Eurasian high-middle latitudes ionosonde chain

Shpynev, B.G.; Zolotukhina, N.A.; Polekh, N.M.; Ratovsky, K.G.; Chernigovskaya, M.A.; Belinskaya, A.Yu.; Stepanov, A.E.; Bychkov, V.V.; Grigorieva, S.A.; Panchenko, V.A.; Korenkova, N.A.; Mielich, J.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 11/2018

YEAR: 2018     DOI: 10.1016/j.jastp.2017.10.014

The ionosphere response to severe geomagnetic storm in March 2015 on the base of the data from Eurasian high-middle latitudes ionosonde chain

Shpynev, B.G.; Zolotukhina, N.A.; Polekh, N.M.; Ratovsky, K.G.; Chernigovskaya, M.A.; Belinskaya, A.Yu.; Stepanov, A.E.; Bychkov, V.V.; Grigorieva, S.A.; Panchenko, V.A.; Korenkova, N.A.; Mielich, J.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 11/2018

YEAR: 2018     DOI: 10.1016/j.jastp.2017.10.014

Comparison of the Thermospheric Nitric Oxide Emission Observations and the GITM Simulations: Sensitivity to Solar and Geomagnetic Activities

An accurate estimate of the energy budget (heating and cooling) of the ionosphere and thermosphere, especially during space weather events, has been a challenge. The abundance of Nitric Oxide (NO), a minor species in the thermosphere, is an important component of energy balance here because its production comes from energy sources able to break the strong bond of molecular nitrogen, and infrared emissions from NO play an important role in thermospheric cooling. Recent studies have significantly improved our understanding ...

Lin, Cissi; Deng, Yue; Venkataramani, Karthik; Yonker, Justin; Bailey, Scott;

Published by: Journal of Geophysical Research: Space Physics      Published on: 10/2018

YEAR: 2018     DOI: 10.1029/2018JA025310

Comparison of the Thermospheric Nitric Oxide Emission Observations and the GITM Simulations: Sensitivity to Solar and Geomagnetic Activities

An accurate estimate of the energy budget (heating and cooling) of the ionosphere and thermosphere, especially during space weather events, has been a challenge. The abundance of Nitric Oxide (NO), a minor species in the thermosphere, is an important component of energy balance here because its production comes from energy sources able to break the strong bond of molecular nitrogen, and infrared emissions from NO play an important role in thermospheric cooling. Recent studies have significantly improved our understanding ...

Lin, Cissi; Deng, Yue; Venkataramani, Karthik; Yonker, Justin; Bailey, Scott;

Published by: Journal of Geophysical Research: Space Physics      Published on: 10/2018

YEAR: 2018     DOI: 10.1029/2018JA025310



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