2014 |
Solar filament impact on 21 January 2005: Geospace consequences
On 21 January 2005, a moderate magnetic storm produced a number of anomalous features, some seen more typically during superstorms. The aim of this study is to establish the differences in the space environment from what we expect (and normally observe) for a storm of this intensity, which make it behave in some ways like a superstorm. The storm was driven by one of the fastest interplanetary coronal mass ejections in solar cycle 23, containing a piece of the dense erupting solar filament material. The momentum of the mas ...
Kozyra, J.; Liemohn, M.; Cattell, C.; De Zeeuw, D.; Escoubet, C.; Evans, D.; Fang, X.; Fok, M.-C.; Frey, H.; Gonzalez, W.; Hairston, M.; Heelis, R.; Lu, G.; Manchester, W.; Mende, S.; Paxton, L.; Rastaetter, L.; Ridley, A.; Sandanger, M.; Soraas, F.; Sotirelis, T.; Thomsen, M.; Tsurutani, B.; Verkhoglyadova, O.;
Published by: Journal of Geophysical Research: Space Physics Published on: 07/2014
YEAR: 2014   DOI: 10.1002/2013JA019748
cold dense plasma sheet; Equatorial anomaly; magnetotail; precipitation; prompt penetration electric field; solar filament
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Developing a Multi-Element Geospace Investigation to Understand the Impact of Hemispheric Assymetry
Paxton, Larry; Newell, Patrick; Stromme, Anja; Ridley, Aaron; Kozyra, Janet; Mitchell, Elizabeth;
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YEAR: 2014   DOI:
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2010 |
Global views of energetic particle precipitation and their sources: Combining large-scale models with observations during the 21-22 January 2005 magnetic storm
Kozyra, JU; Brandt, PC; Cattell, CA; Clilverd, M; de Zeeuw, D; Evans, DS; Fang, X; Frey, HU; Kavanagh, AJ; Liemohn, MW; , others;
Published by: Published on:
YEAR: 2010   DOI:
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2009 |
Unique Science Needs: CAWSES-II and Virtual Observatories
Kozyra, JU; Fox, PA; Avery, SK; Rodger, AS; Melkers, JE; Paxton, LJ; Barnes, RJ;
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YEAR: 2009   DOI:
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Are Unusual Solar Wind Conditions in SC23-24 Triggering Changes in the Geospace Response to High Speed Streams?
In the descent to solar minimum in solar cycle 23-24, the high-speed streams (HSS) were faster and longer lived than previous cycles but the average IMF was weaker and the average solar wind density lower than ever before recorded upstream of the Earth. A simulation of high speed stream activity on 22-24 January 2005 using the BATS-R-US MHD model with embedded Rice Convection Model driven by solar wind inputs indicates that, at least for this event, the interaction between high speed streams and the magnetosphere has been mo ...
Kozyra, JU; Brandt, PC; Buzulukova, N; de Zeeuw, D; Fok, MH; Frey, HU; Gibson, SE; Ilie, R; Liemohn, MW; Mende, SB; , others;
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YEAR: 2009   DOI:
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2007 |
Efficiency of Different Types of Geomagnetic Activity (and Their Solar Drivers) at Producing NOx Capable of Significantly Effecting Stratospheric Ozone
Kozyra, JU; Mlynczak, MG; Paxton, LJ; RUSSELL, JM;
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YEAR: 2007   DOI:
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Overview of TIMED CEDAR observations showing the MLTI system response to changing drivers from solar maximum to solar minimum
Kozyra, JU; Crowley, G; Doe, RA; Mlynczak, MG; Paxton, LJ; Skinner, WR; Solomon, SC; Talaat, E; Woods, TN; Wu, Q; , others;
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YEAR: 2007   DOI:
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Global inventory of precipitating populations during the 15-30 January 2005 long-duration flares and magnetic storms: Relative efficacy at ozone destruction
Kozyra, JU; Cattell, CA; Clilverd, M; Evans, DS; Kavanagh, A; Liemohn, MW; Mende, SB; Paxton, LJ; Ridley, A; Soraas, F;
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YEAR: 2007   DOI:
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2006 |
Nightside thermospheric FUV emissions due to energetic neutral atom precipitation during magnetic superstorms
Zhang, Y.; Paxton, L.; Kozyra, J.; Kil, H.; Brandt, P.;
Published by: Journal of Geophysical Research Published on: Jan-01-2006
YEAR: 2006   DOI: 10.1029/2005JA011152
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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;
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YEAR: 2006   DOI:
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Observing the Coupled Ionosphere-Thermosphere System: From Solar Maximum to Solar Minimum and Beyond
Paxton, L; Morrison, D; Zhang, Y; Kil, H; Wolven, B; Comberiate, J; Meng, C; Kozyra, J; Christensen, A;
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YEAR: 2006   DOI:
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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
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Response of the upper/middle atmosphere to coronal holes and powerful high-speed solar wind streams in 2003
Kozyra, JU; Crowley, G; RONG, P-P; RUSSELL, JM; SKINNER, W; Solomon, SC;
Published by: Geophysical monograph Published on:
YEAR: 2006   DOI:
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A Sun-to-Earth Campaign Joining Observations from the Great Observatory with Worldwide Satellite and Ground-Based Resources to Investigate System Science Frontiers
Kozyra, JU; Shibata, K; Barnes, RJ; Basu, S; Davila, JM; Fox, NJ; Gopalswamy, N; Kuznetsova, MM; Pallamraju, D; Paxton, LJ; , others;
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YEAR: 2006   DOI:
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Investigating the state of the Sun-Earth system during extreme events: First science results of a worldwide online conference series
Kozyra, JU; Shibata, K; Fox, NJ; Basu, S; Coster, AJ; Davila, JM; Gopalswamy, N; Liou, K; Lu, G; Mann, IR; , others;
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YEAR: 2006   DOI:
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Developing cyber-infrastructure for addressing grand challenge questions in Sun-Earth system science: First results of a testbed worldwide online conference series
Kozyra, JU; Barnes, R; Fox, NJ; Fox, PA; Kuznetsova, MM; Morrison, D; Pallamraju, D; , Papitashvili; Ridley, A; Talaat, ER; , others;
Published by: Published on:
YEAR: 2006   DOI:
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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
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Remote Sensing Observations of Thermospheric Composition Changes: Disk and Limb Observations and Interpretation
Paxton, LJ; Zhang, Y; Meier, R; Strickland, D; Christensen, A; Crowley, G; Kozyra, J;
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YEAR: 2005   DOI:
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Parametric analysis of nightside conductance effects on inner magnetospheric dynamics for the 17 April 2002 storm
Liemohn, Michael; Ridley, Aaron; Brandt, Pontus; Gallagher, Dennis; Kozyra, Janet; Ober, Daniel; Mitchell, Donald; Roelof, Edmond; DeMajistre, Robert;
Published by: Journal of Geophysical Research: Space Physics Published on:
YEAR: 2005   DOI:
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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;
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YEAR: 2005   DOI:
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TIMED Contributions to the NASA Sun-Solar System Connections Great Observatory
Christensen, AB; Kozyra, J; Paxton, L; Talaat, E; Yee, J;
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YEAR: 2005   DOI:
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Observations of solar and magnetospheric inputs and atmospheric responses to the January 2005 long duration flares and fast coronal mass ejections
Paxton, LJ; Kozyra, J; Demajistre, B; Kil, H; Morrison, D; Wolven, B; Mitchell, D; Brandt, P; Zhang, Y; Meng, C;
Published by: Published on:
YEAR: 2005   DOI:
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Atmospheric Effects of Coronal Holes and Powerful High-Speed Solar Wind Streams in 2003 Observed by the TIMED Spacecraft
Kozyra, JU; Crowley, G; Emery, BA; Fang, XH; Hagan, ME; Lu, G; Mlynczak, MG; Niciejewski, RJ; Palo, SE; Paxton, LJ; , others;
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YEAR: 2005   DOI:
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2004 |
GUVI/TIMED Observations of the auroral inputs and thermospheric response during the October and November 2003 Superstorms
Zhang, Y; Paxton, LJ; Kozyra, JU; DeMajistre, R; Kil, H; Morrison, D; Wolven, B; Brandt, PC; Mitchell, DG; Talaat, E;
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YEAR: 2004   DOI:
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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;
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YEAR: 2004   DOI:
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Conductance Effects on Inner Magnetospheric Plasma Morphology: Model Comparisons With IMAGE EUV, MENA, and HENA Data
Liemohn, MW; Ridley, AJ; Kozyra, JU; Gallagher, DL; Henderson, MG; Denton, MH; Jahn, J; Roelof, EC; DeMajistre, R; Mitchell, DG; , others;
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YEAR: 2004   DOI:
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Coupling processes in the inner magnetosphere associated with midlatitude red auroras during superstorms
Kozyra, JU; Anderson, BJ; Brandt, PC; Cattell, CA; Dombeck, JP; Hairston, MR; Heelis, RA; Huang, CY; Korth, H; Liemohn, MW; , others;
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YEAR: 2004   DOI:
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Quantification of the spreading effect of auroral proton precipitation
A three-dimensional Monte Carlo model has been developed to study the transverse beam spreading effect of incident energetic auroral protons during their precipitation in the Earth\textquoterights upper atmosphere. Energetic protons with an isotropic angular distribution are injected at 700 km altitude. Two types of incident energy spectra, a monoenergetic and a Maxwellian distribution, are considered. Interaction of fast particles with a three-species atmosphere (O, N2, and O2) is included through c ...
Fang, Xiaohua; Liemohn, Michael; Kozyra, Janet; Solomon, Stanley;
Published by: Journal of Geophysical Research: Space Physics (1978\textendash2012) Published on:
YEAR: 2004   DOI: 10.1029/2003JA010119
Monte Carlo simulation; Proton aurora
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The Global Ionosphere Thermosphere Model results of the April 2002 storm
Ridley, AJ; oth, G; Deng, Y; Kozyra, J; Immel, T; Paxton, L;
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YEAR: 2004   DOI:
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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.;
Published by: Geophysical Research Letters Published on: 03/2003
YEAR: 2003   DOI: 10.1029/2003GL017693
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The natural thermostat of nitric oxide emission at 5.3 $\mu$m in the thermosphere observed during the solar storms of April 2002
Mlynczak, Marty; Martin-Torres, Javier; Russell, James; Beaumont, Ken; Jacobson, Steven; Kozyra, Janet; Lopez-Puertas, Manuel; Funke, Bernd; Mertens, Christopher; Gordley, Larry; , others;
Published by: Geophysical Research Letters Published on:
YEAR: 2003   DOI:
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2002 |
Energy Balance in the Sun-Earth System During the Solar Storm Events of April 2002
Mlynczak, MG; Paxton, L; Kozyra, J; Woods, T; Zurbuchen, T; Lu, G; Lopez-Puertas, M; Martin-Torres, FJ; RUSSELL, JM; Crowley, G; , others;
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YEAR: 2002   DOI:
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The Relative Atmospheric Impacts and Energy Inputs of Precipitating Solar and Magnetospheric Ion and Electron Populations during the 17-24 April 2002 Events
Kozyra, JU; Baker, DN; Crowley, G; Evans, DS; Fang, X; Frahm, RA; Kanekal, SG; Liemohn, MW; Lu, G; Mason, GM; , others;
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YEAR: 2002   DOI:
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TIMED Observations of the Signatures of Magnetic Activity in the MLTI Region placed into Global Context by ACE, POLAR, IMAGE, SAMPEX, FAST, NOAA/POES, and DMSP
Kozyra, JU; Liemohn, MW; Mlynczak, MG; Paxton, LJ; Skinner, WR; Baker, DN; Cattell, CA; Germany, GA; Mende, SB; Pollock, CJ;
Published by: Published on:
YEAR: 2002   DOI:
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