Works by Friedel, R. H. W.

Results: 55

The Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) Mission.

Published in:

Space Science Reviews, 2025, v. 221, n. 5, p. 1, doi. 10.1007/s11214-025-01184-4

By:

Miles, D. M.;
Kletzing, C. A.;
Fuselier, S. A.;
Goodrich, K. A.;
Bonnell, J. W.;
Bounds, S.;
Cao, H.;
Cairns, I. H.;
Chen, L. J.;
Christopher, I. W.;
Cleveland, K.;
Connor, H. K.;
Crawford, D.;
Dolan, J.;
Dorelli, J. C.;
Dvorsky, R.;
Finley, M. G.;
Friedel, R. H. W.;
Halekas, J. S.;
Hospodarsky, G. B.

Publication type:

Article

LANL* V1.0: a radiation belt drift shell model suitable for real-time and reanalysis applications.

Published in:

Geoscientific Model Development, 2009, v. 2, n. 2, p. 113, doi. 10.5194/gmd-2-113-2009

By:

Koller, J.;
Reeves, G. D.;
Friedel, R. H. W.

Publication type:

Article

Structure of Earth's outer radiation belt inferred from long-term electron flux dynamics.

Published in:

Geophysical Research Letters, 2003, v. 30, n. 19, p. n/a, doi. 10.1029/2003GL017328

By:

Vassiliadis, D.;
Klimas, A. J.;
Weigel, R. S.;
Baker, D. N.;
Rigler, E. J.;
Kanekal, S. G.;
Nagai, T.;
Fung, S. F.;
Friedel, R. W. H.;
Cayton, T. E.

Publication type:

Article

Acceleration and loss of relativistic electrons during geomagnetic storms.

Published in:

Geophysical Research Letters, 2003, v. 30, n. 10, p. n/a, doi. 10.1029/2002GL016513

By:

Reeves, G. D.;
McAdams, K. L.;
Friedel, R. H. W.;
O'Brien, T. P.

Publication type:

Article

The global response of relativistic radiation belt electrons to the January 1997 magnetic cloud.

Published in:

Geophysical Research Letters, 1998, v. 25, n. 17, p. 3265, doi. 10.1029/98GL02509

By:

Reeves, G. D.;
Baker, D. N.;
Belian, R. D.;
Blake, J. B.;
Cayton, T. E.;
Fennell, J. F.;
Friedel, R. H. W.;
Meier, M. M.;
Selesnick, R. S.;
Spence, H. E.

Publication type:

Article

Long-term observations of keV ion and electron variability in the outer radiation belt from CRRES.

Published in:

Geophysical Research Letters, 1995, v. 22, n. 14, p. 1853, doi. 10.1029/95GL01607

By:

Friedel, R. H. W.;
Korth, A.

Publication type:

Article

Energetic Particle Data From the Global Positioning System Constellation.

Published in:

Space Weather: The International Journal of Research & Applications, 2017, v. 15, n. 2, p. 283, doi. 10.1002/2017SW001604

By:

Morley, S. K.;
Sullivan, J. P.;
Carver, M. R.;
Kippen, R. M.;
Friedel, R. H. W.;
Reeves, G. D.;
Henderson, M. G.

Publication type:

Article

Dynamic Radiation Environment Assimilation Model: DREAM.

Published in:

Space Weather: The International Journal of Research & Applications, 2012, v. 10, n. 3, p. n/a, doi. 10.1029/2011SW000729

By:

Reeves, G. D.;
Chen, Y.;
Cunningham, G. S.;
Friedel, R. W. H.;
Henderson, M. G.;
Jordanova, V. K.;
Koller, J.;
Morley, S. K.;
Thomsen, M. F.;
Zaharia, S.

Publication type:

Article

Association of cusp energetic ions with geomagnetic storms and substorms.

Published in:

Annales Geophysicae (ANGEO) (09927689), 2012, v. 30, n. 12, p. 1633, doi. 10.5194/angeo-30-1633-2012

By:

Niehof, J. T.;
Morley, S. K.;
Friedel, R. H. W.

Publication type:

Article

Multisatellite determination of the relativistic electron phase space density at geosynchronous orbit: An integrated investigation during geomagnetic storm times.

Published in:

Journal of Geophysical Research. Space Physics, 2007, v. 112, n. A11, p. n/a, doi. 10.1029/2007JA012314

By:

Chen, Y.;
Friedel, R. H. W.;
Reeves, G. D.;
Cayton, T. E.;
Christensen, R.

Publication type:

Article

Identifying the radiation belt source region by data assimilation.

Published in:

Journal of Geophysical Research. Space Physics, 2007, v. 112, n. A6, p. n/a, doi. 10.1029/2006JA012196

By:

Koller, J.;
Chen, Y.;
Reeves, G. D.;
Friedel, R. H. W.;
Cayton, T. E.;
Vrugt, J. A.

Publication type:

Article

Cluster encounter with an energetic electron beam during a substorm.

Published in:

Journal of Geophysical Research. Space Physics, 2006, v. 111, n. A11, p. n/a, doi. 10.1029/2006JA011666

By:

Taylor, M. G. G. T.;
Reeves, G. D.;
Friedel, R. H. W.;
Thomsen, M. F.;
Elphic, R. C.;
Davies, J. A.;
Dunlop, M. W.;
Laakso, H.;
Lavraud, B.;
Baker, D. N.;
Slavin, J. A.;
Perry, C. H.;
Escoubet, C. P.;
Masson, A.;
Opgenoorth, H. J.;
Vallat, C.;
Daly, P. W.;
Fazakerley, A. N.;
Lucek, E. A.

Publication type:

Article

Phase space density distributions of energetic electrons in the outer radiation belt during two Geospace Environment Modeling Inner Magnetosphere/Storms selected storms.

Published in:

Journal of Geophysical Research. Space Physics, 2006, v. 111, n. A11, p. n/a, doi. 10.1029/2006JA011703

By:

Chen, Y.;
Friedel, R. H. W.;
Reeves, G. D.

Publication type:

Article

Relativistic electron events in 2002: Studies of pitch angle isotropization.

Published in:

Journal of Geophysical Research. Space Physics, 2005, v. 110, n. A12, p. n/a, doi. 10.1029/2004JA010974

By:

Kanekal, S. G.;
Friedel, R. H. W.;
Reeves, G. D.;
Baker, D. N.;
Blake, J. B.

Publication type:

Article

Multisatellite determination of the relativistic electron phase space density at geosynchronous orbit: Methodology and results during geomagnetically quiet times.

Published in:

Journal of Geophysical Research. Space Physics, 2005, v. 110, n. A10, p. n/a, doi. 10.1029/2004JA010895

By:

Chen, Y.;
Friedel, R. H. W.;
Reeves, G. D.;
Onsager, T. G.;
Thomsen, M. F.

Publication type:

Article

Substorm injection modeling with nondipolar, time-dependent background field.

Published in:

Journal of Geophysical Research. Space Physics, 2004, v. 109, n. A10, p. n/a, doi. 10.1029/2004JA010464

By:

Zaharia, Sorin;
Birn, J.;
Friedel, R. H. W.;
Reeves, G. D.;
Thomsen, M. F.;
Cheng, C. Z.

Publication type:

Article

Multisatellite measurements of electron phase space density gradients in the Earth's inner and outer magnetosphere.

Published in:

Journal of Geophysical Research. Space Physics, 2004, v. 109, n. A5, p. n/a, doi. 10.1029/2003JA010294

By:

Taylor, M. G. G. T.;
Friedel, R. H. W.;
Reeves, G. D.;
Dunlop, M. W.;
Fritz, T. A.;
Daly, P. W.;
Balogh, A.

Publication type:

Article

Outflow from the ionosphere in the vicinity of the cusp.

Published in:

Journal of Geophysical Research. Space Physics, 2002, v. 107, n. A8, p. SMP 13-1, doi. 10.1029/2001JA000107

By:

Valek, P. W.;
Perez, J. D.;
Jahn, J.-M.;
Pollock, C. J.;
Wüest, M. P.;
Friedel, R. H. W.;
Moore, T. E.;
Peterson, W. K.

Publication type:

Article

Polar-Interball coordinated observations of plasma and magnetic field characteristics in the regions of the northern and southern distant cusps.

Published in:

Journal of Geophysical Research. Space Physics, 2002, v. 107, n. A5, p. SMP 2-1, doi. 10.1029/2001JA900068

By:

Dubinin, E.;
Skalsky, A.;
Song, P.;
Savin, S.;
Kozyra, J.;
Moore, T. E.;
Russell, C. T.;
Chandler, M. O.;
Fedorov, A.;
Avanov, L.;
Sauvaud, J.-A.;
Friedel, R. H. W.

Publication type:

Article

Substorm injection of relativistic electrons to geosynchronous orbit during the great magnetic storm of March 24, 1991.

Published in:

Journal of Geophysical Research. Space Physics, 2001, v. 106, n. A11, p. 25759, doi. 10.1029/2000JA000458

By:

Ingraham, J. C.;
Cayton, T. E.;
Belian, R. D.;
Christensen, R. A.;
Friedel, R. H. W.;
Meier, M. M.;
Reeves, G. D.;
Tuszewski, M.

Publication type:

Article

Polar observations and model predictions during May 4, 1998, magnetopause, magnetosheath, and bow shock crossings.

Published in:

Journal of Geophysical Research. Space Physics, 2001, v. 106, n. A9, p. 18927, doi. 10.1029/2000JA900126

By:

Song, P.;
Kozyra, J. U.;
Chandler, M. O.;
Russell, C. T.;
Peterson, W. K.;
Trattner, K. J.;
Friedel, R. H. W.;
Shue, J.-H.;
Moore, T. E.;
Ogilvie, K. W.;
Lepping, R. P.;
McComas, D. J.

Publication type:

Article

Multisatellite comparisons of the radiation belt response to the Geospace Environment Modeling (GEM) magnetic storms.

Published in:

Journal of Geophysical Research. Space Physics, 2001, v. 106, n. A6, p. 10869, doi. 10.1029/2000JA000248

By:

McAdams, K. L.;
Reeves, G. D.;
Friedel, R. H. W.;
Cayton, T. E.

Publication type:

Article

Plasma sheet access to the inner magnetosphere.

Published in:

Journal of Geophysical Research. Space Physics, 2001, v. 106, n. A4, p. 5845, doi. 10.1029/2000JA003011

By:

Friedel, R. H. W.;
Korth, H.;
Henderson, M. G.;
Thomsen, M. F.;
Scudder, J. D.

Publication type:

Article

Comprehensive particle and field observations of magnetic storms at different local times from the CRRES spacecraft.

Published in:

Journal of Geophysical Research. Space Physics, 2000, v. 105, n. A8, p. 18729, doi. 10.1029/1999JA000430

By:

Korth, A.;
Friedel, R. H. W.;
Mouikis, C. G.;
Fennell, J. F.;
Wygant, J. R.;
Korth, H.

Publication type:

Article

Ballooning instability in the presence of a plasma flow: A synthesis of tail reconnection and current disruption models for the initiation of substorms.

Published in:

Journal of Geophysical Research. Space Physics, 1999, v. 104, n. A5, p. 10235, doi. 10.1029/1998JA900104

By:

Pu, Z. Y.;
Kang, K. B.;
Korth, A.;
Fu, S. Y.;
Zong, Q. G.;
Chen, Z. X.;
Hong, M. H.;
Liu, Z. X.;
Mouikis, C. G.;
Friedel, R. W. H.;
Pulkkinen, T.

Publication type:

Article

Time-dependent modeling of particles and electromagnetic fields during the substorm growth phase: Anisotropy of energetic electrons.

Published in:

Journal of Geophysical Research. Space Physics, 1999, v. 104, n. A5, p. 10205, doi. 10.1029/1998JA900138

By:

Toivanen, P. K.;
Pulkkinen, T. I.;
Friedel, R. H. W.;
Reeves, G. D.;
Korth, A.;
Mouikis, C.;
Koskinen, H. E. J.

Publication type:

Article

The relativistic electron response at geosynchronous orbit during the January 1997 magnetic storm.

Published in:

Journal of Geophysical Research. Space Physics, 1998, v. 103, n. A8, p. 17559, doi. 10.1029/97JA03236

By:

Reeves, G. D.;
Friedel, R. H. W.;
Belian, R. D.;
Meier, M. M.;
Henderson, M. G.;
Onsager, T.;
Singer, H. J.;
Baker, D. N.;
Li, X.;
Blake, J. B.

Publication type:

Article

Substorm onsets observed by CRRES: Determination of energetic particle source regions.

Published in:

Journal of Geophysical Research. Space Physics, 1996, v. 101, n. A6, p. 13137, doi. 10.1029/96JA00399

By:

Friedel, R. H. W.;
Korth, A.;
Kremser, G.

Publication type:

Article

Magnetospheric field and current distributions during the substorm recovery phase.

Published in:

Journal of Geophysical Research. Space Physics, 1994, v. 99, n. A6, p. 10955, doi. 10.1029/93JA02718

By:

Pulkkinen, T. I.;
Baker, D. N.;
Toivanen, P. K.;
Pellinen, R. J.;
Friedel, R. H. W.;
Korth, A.

Publication type:

Article

First observations of Trimpi Events at Durban ( L = 1.69) using an OMSKI Receiver.

Published in:

Journal of Geophysical Research. Space Physics, 1993, v. 98, n. A2, p. 1571, doi. 10.1029/92JA02234

By:

Friedel, R. H. W.;
Hughes, A. R. W.;
Dowden, R. L.;
Adams, C. D. D.

Publication type:

Article

Effect of magnetic field distortions on gyroresonance at low L values.

Published in:

Journal of Geophysical Research. Space Physics, 1993, v. 98, n. A2, p. 1669, doi. 10.1029/92JA02202

By:

Friedel, R. H. W.;
Hughes, A. R. W.

Publication type:

Article

Equatorial Pitch Angle Distributions of 1-50 keV Electrons in Earth's Inner Magnetosphere: An Empirical Model Based on the Van Allen Probes Observations.

Published in:

Journal of Geophysical Research. Space Physics, 2021, v. 126, n. 1, p. 1, doi. 10.1029/2020JA028322

By:

Zhao, H.;
Friedel, R. H. W.;
Chen, Y.;
Baker, D. N.;
Li, X.;
Malaspina, D. M.;
Larsen, B. A.;
Skoug, R. M.;
Funsten, H. O.;
Reeves, G. D.;
Boyd, A. J.

Publication type:

Article

Response of Relativistic Electron Microbursts to the Arrival of High‐Speed Solar Wind Streams and its Relation to Flux Variation of Trapped Radiation Belt Electrons.

Published in:

Journal of Geophysical Research. Space Physics, 2018, v. 123, n. 9, p. 7452, doi. 10.1029/2018JA025675

By:

Kurita, S.;
Miyoshi, Y.;
Blake, J. B.;
Friedel, R. H. W.

Publication type:

Article

An Empirical Model of Radiation Belt Electron Pitch Angle Distributions Based On Van Allen Probes Measurements.

Published in:

Journal of Geophysical Research. Space Physics, 2018, v. 123, n. 5, p. 3493, doi. 10.1029/2018JA025277

By:

Zhao, H.;
Friedel, R. H. W.;
Chen, Y.;
Reeves, G. D.;
Baker, D. N.;
Li, X.;
Jaynes, A. N.;
Kanekal, S. G.;
Claudepierre, S. G.;
Fennell, J. F.;
Blake, J. B.;
Spence, H. E.

Publication type:

Article

The Evolution of the Plasma Sheet Ion Composition: Storms and Recoveries.

Published in:

Journal of Geophysical Research. Space Physics, 2017, v. 122, n. 12, p. 12,040, doi. 10.1002/2017JA024475

By:

Denton, M. H.;
Thomsen, M. F.;
Reeves, G. D.;
Larsen, B. A.;
Henderson, M. G.;
Jordanova, V. K.;
Fernandes, P. A.;
Friedel, R. H. W.;
Skoug, R. M.;
Funsten, H. O.;
MacDonald, E. A.;
Spence, H. A.

Publication type:

Article

On the origin of low‐energy electrons in the inner magnetosphere: Fluxes and pitch‐angle distributions.

Published in:

Journal of Geophysical Research. Space Physics, 2017, v. 122, n. 2, p. 1789, doi. 10.1002/2016JA023648

By:

Denton, M. H.;
Reeves, G. D.;
Larsen, B. A.;
Friedel, R. H. W.;
Thomsen, M. F.;
Fernandes, P. A.;
Skoug, R. M.;
Funsten, H. O.;
Sarno‐Smith, L. K.

Publication type:

Article

Ring current electron dynamics during geomagnetic storms based on the Van Allen Probes measurements.

Published in:

Journal of Geophysical Research. Space Physics, 2016, v. 121, n. 4, p. 3333, doi. 10.1002/2016JA022358

By:

Zhao, H.;
Li, X.;
Baker, D. N.;
Claudepierre, S. G.;
Fennell, J. F.;
Blake, J. B.;
Larsen, B. A.;
Skoug, R. M.;
Funsten, H. O.;
Friedel, R. H. W.;
Reeves, G. D.;
Spence, H. E.;
Mitchell, D. G.;
Lanzerotti, L. J.

Publication type:

Article

The evolution of ring current ion energy density and energy content during geomagnetic storms based on Van Allen Probes measurements.

Published in:

Journal of Geophysical Research. Space Physics, 2015, v. 120, n. 9, p. 7493, doi. 10.1002/2015JA021533

By:

Zhao, H.;
Li, X.;
Baker, D. N.;
Fennell, J. F.;
Blake, J. B.;
Larsen, B. A.;
Skoug, R. M.;
Funsten, H. O.;
Friedel, R. H. W.;
Reeves, G. D.;
Spence, H. E.;
Mitchell, D. G.;
Lanzerotti, L. J.;
Rodriguez, J. V.

Publication type:

Article

A background correction algorithm for Van Allen Probes MagEIS electron flux measurements.

Published in:

Journal of Geophysical Research. Space Physics, 2015, v. 120, n. 7, p. 5703, doi. 10.1002/2015JA021171

By:

Claudepierre, S. G.;
O'Brien, T. P.;
Blake, J. B.;
Fennell, J. F.;
Roeder, J. L.;
Clemmons, J. H.;
Looper, M. D.;
Mazur, J. E.;
Mulligan, T. M.;
Spence, H. E.;
Reeves, G. D.;
Friedel, R. H. W.;
Henderson, M. G.;
Larsen, B. A.

Publication type:

Article

On long decays of electrons in the vicinity of the slot region observed by HEO3.

Published in:

Journal of Geophysical Research. Space Physics, 2015, v. 120, n. 1, p. 460, doi. 10.1002/2014JA020449

By:

Ripoll, J.-F.;
Chen, Y.;
Fennell, J. F.;
Friedel, R. H. W.

Publication type:

Article

Simultaneous observation of chorus and hiss near the plasmapause.

Published in:

Journal of Geophysical Research. Space Physics, 2012, v. 117, n. A12, p. n/a, doi. 10.1029/2012JA017609

By:

Delport, B.;
Collier, A. B.;
Lichtenberger, J.;
Rodger, C. J.;
Parrot, M.;
Clilverd, M. A.;
Friedel, R. H. W.

Publication type:

Article

Injection region propagation outside of geosynchronous orbit.

Published in:

Journal of Geophysical Research. Space Physics, 2010, v. 115, n. A11, p. n/a, doi. 10.1029/2009JA015066

By:

Spanswick, E.;
Reeves, G. D.;
Donovan, E.;
Friedel, R. H. W.

Publication type:

Article

Multispacecraft observation of electron beam in reconnection region.

Published in:

Journal of Geophysical Research. Space Physics, 2008, v. 113, n. A7, p. n/a, doi. 10.1029/2007JA012770

By:

Åsnes, A.;
Taylor, M. G. G. T.;
Borg, A. L.;
Lavraud, B.;
Friedel, R. W. H.;
Escoubet, C. P.;
Laakso, H.;
Daly, P.;
Fazakerley, A. N.

Publication type:

Article

Statistical properties of tail plasma sheet electrons above 40 keV.

Published in:

Journal of Geophysical Research. Space Physics, 2008, v. 113, n. A3, p. n/a, doi. 10.1029/2007JA012502

By:

Åsnes, A.;
Friedel, R. W. H.;
Lavraud, B.;
Reeves, G. D.;
Taylor, M. G. G. T.;
Daly, P.

Publication type:

Article

A new international geostationary electron model: IGE-2006, from 1 keV to 5.2 MeV.

Published in:

Space Weather: The International Journal of Research & Applications, 2008, v. 6, n. 7, p. n/a, doi. 10.1029/2007SW000368

By:

Sicard-Piet, A.;
Bourdarie, S.;
Boscher, D.;
Friedel, R. H. W.;
Thomsen, M.;
Goka, T.;
Matsumoto, H.;
Koshiishi, H.

Publication type:

Article

Data assimilation of LANL satellite data into the Salammbô electron code over a complete solar cycle by direct insertion.

Published in:

Space Weather: The International Journal of Research & Applications, 2007, v. 5, n. 10, p. n/a, doi. 10.1029/2007SW000322

By:

Maget, V.;
Bourdarie, S.;
Boscher, D.;
Friedel, R. H. W.

Publication type:

Article

Intercalibration of magnetospheric energetic electron data.

Published in:

Space Weather: The International Journal of Research & Applications, 2005, v. 3, n. 9, p. n/a, doi. 10.1029/2005SW000153

By:

Friedel, R. H. W.;
Bourdarie, S.;
Cayton, T. E.

Publication type:

Article

Radiation belt representation of the energetic electron environment: Model and data synthesis using the Salammbô radiation belt transport code and Los Alamos geosynchronous and GPS energetic particle data.

Published in:

Space Weather: The International Journal of Research & Applications, 2005, v. 3, n. 4, p. n/a, doi. 10.1029/2004SW000065

By:

Bourdarie, S.;
Friedel, R. H. W.;
Fennell, J.;
Kanekal, S.;
Cayton, T. E.

Publication type:

Article

Discovery of the action of a geophysical synchrotron in the Earth's Van Allen radiation belts.

Published in:

Nature Communications, 2013, v. 4, n. 11, p. 2795, doi. 10.1038/ncomms3795

By:

Mann, Ian R.;
Lee, E. A.;
Claudepierre, S. G.;
Fennell, J. F.;
Degeling, A.;
Rae, I. J.;
Baker, D. N.;
Reeves, G. D.;
Spence, H. E.;
Ozeke, L. G.;
Rankin, R.;
Milling, D. K.;
Kale, A.;
Friedel, R. H. W.;
Honary, F.

Publication type:

Article

A rapid, global and prolonged electron radiation belt dropout observed with the Global Positioning System constellation.

Published in:

Geophysical Research Letters, 2010, v. 37, n. 6, p. n/a, doi. 10.1029/2010GL042772

By:

Morley, S. K.;
Friedel, R. H. W.;
Cayton, T. E.;
Noveroske, E.

Publication type:

Article