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1998

Birn, J., M. F. Thomsen, J. E. Borovsky, G. D. Reeves, D. J. McComas, R. D. Belian, and M. Hesse, Substorm electron injections: Geosynchronous observations and test particle simulations, J. Geophys. Res., 103, 9235, 1998.

Garner, T. W., R. A. Wolf, R. W. Spiro, and M. F. Thomsen, First attempt at assimilating data to correct a magnetospheric model, Geophys. Res. Lett., submitted, 1998.

Jordanova, V. K., C. J. Farrugia, L. Janoo, J. M. Quinn, R. B. Torbert, K. W. Ogilvie, R. P. Lepping, J. T. Steinberg, D. J. McComas, and R. D. Belian, October 1995 magnetic cloud and accompanying storm activity: Ring current evolution, J. Geophys. Res., 103, 79, 1998.

Jordanova, V. K., C. J. Farrugia, J. M. Quinn, J. E. Borovsky, R. B. Sheldon, and W. K. Peterson, Simulation of off-equatorial ring current ion spectra measured by POLAR for a moderate storm at solar minimum, J. Geophys. Res., submitted, 1998.

Lawrence, D. J., M. F. Thomsen, J. E. Borovsky, and D. J. McComas, Measurements of early and late-time plasmasphere refilling as observed from geosynchronous orbit, J. Geophys. Res., submitted, 1998.

Kozyra, J. U., V. K. Jordanova, J. E. Borovsky, M. F. Thomsen, D. J. Knipp, D. S. Evans, D. J. McComas, and T. E. Cayton, Effects of a high density plasma sheet on ring current development during the November 2-6, 1993 magnetic storm, J. Geophys. Res., submitted, 1998.

Moldwin, M. B., M. I. Fernandez, H. K. Rassoul, M. F. Thomsen, S. J. Bame, D. J. McComas, and J. F. Fennell, A reexamination of the local time asymmetry of lobe encounters at geosynchronous orbit: CRRES, ATS 5, and LANL observations, J. Geophys. Res., 103, 9207, 1998.

Sergeev, V. A., M. A. Shukhtina, R. Rasinkangas, A. Korth, G. D. Reeves, H. J. Singer, M. F. Thomsen, and L. I. Vagina, Event study of deep energetic particle injections during substorm, J. Geophys. Res., 103, 9217, 1998.

Thomsen, M. F., D. J. McComas, J. E. Borovsky, and R. C. Elphic, The magnetospheric trough, Encounter Between Global Observations and Models in the ISTP Era, AGU Monograph, edited by J. Horwitz, in press, 1998.

1997

Birn, J., M. F. Thomsen, J. E. Borovsky, G. D. Reeves, D. J. McComas, and R. D. Belian, Characteristic plasma properties during dispersionless substorm injection at geosynchronous orbit, J. Geophys. Res., 102, 2309, 1997.

Birn, J., M. F. Thomsen, J. E. Borovsky, G. D. Reeves, D. J. McComas, R. D. Belian, and M. Hesse, Substorm ion injections: Geosynchronous observations and test particle orbits in three-dimensional dynamic MHD fields, J. Geophys. Res., 102, 2325, 1997.

Borovsky, J. E., M. F. Thomsen, D. J. McComas, T. E. Cayton, and D. J. Knipp, Magnetospheric dynamics and mass flow during the November 1993 storm, J. Geophys Res., submitted, 1997.

Borovsky, J. E., M. F. Thomsen, and R. C. Elphic, The driving of the plasma sheet by the solar wind, J. Geophys. Res., submittted, 1997.

Borovsky, J. E., M. F. Thomsen, R. C. Elphic, T. E. Cayton, and D. J. McComas, The transport of plasma-sheet material from the distant tail toogeosynchronous orbit, J. Geophys. Res., submitted, 1997.

Fillingim, M. O., M. B. Moldwin, H. K. Rassoul, P. Parrish, M. F. Thomsen, and D. J. McComas, Pitch-angle distributions of superthermal electrons observed at geosynchronous orbit, J. Geophys. Res., submitted, 1997.

Gary, S. P., M. F. Thomsen, J. Lee, D. McComas, and K. R. Moore, Warm protons at geosynchronous orbit, J. Geophys. Res., 102, 2291, 1997.

Jordanova, V. K., C. J. Farrugia, J. M. Quinn, R. M. Thorne, K. W. Ogilvie, R. P. Lepping, G. Lu, A. J. Lazarus, M. F. Thomsen, and R. D. Belian, Effect of wave-particle interactions on ring current evolution for January 10-11, 1997: Initial results, Geophys Res. Lett., submitted, 1997.

Lambour, R.L., L.A. Weiss, R.C. Elphic, and M.F. Thomsen, Global modeling of the plasmasphere following storm sudden commencements, submitted, J. Geophys. Res., 102, 24351, 1997

Maruice, S., M. F. Thomsen, D. J. McComas, and R. C. Elphic, Quiet-time densities of hot ions at geosynchronous orbit, J. Geophys Res., submitted, 1997.

Moldwin, M. B., M. F. Thomsen, G. D. Reeves, and D. J. McComas, The dynamic plasmasphere, Adv. Space Res., 20, no. 3, 395, 1997.

Reeves, G.D., L.A. Weiss, M.F. Thomsen, and D.J. McComas, A quantitative test of different magnetic field models using conjunctions between DMSP and geosynchronous orbit, Radiation Belt Models & Standards, AGU Monograph #97, J. F. Lemaire, D. Heynderickx, and D. N. Baker eds.,167-172, 1997.

Suszcynsky, D. E., J. E. Borovsky, M. F. Thomsen, D. J. McComas, R. D. Belian, Coordinated ground-based and geosynchronous satellite-based measurements of auroral pulsations, in press, SPIE Proceedings on the 23rd European Meeting on Atmospheric Studies by Optical Methods, 1997.

Thomsen, M. F., J. E. Borovsky, D. J. McComas, R. C. Elphic, and S. Maurice, The magnetospheric response to the CME passage of January 10-11, 1997, as seen at geosyncronous orbit, Geophys. Res. Lett., submitted, 1997.

Weiss, L.A., R.L. Lambour, R.C. Elphic, and M.F. Thomsen, Study of plasmaspheric evolution using geosynchronous observations and global modeling, in press, Geophys. Res. Lett., 24, 599, 1997.

Weiss, L.A., M.F. Thomsen, G.D. Reeves, and D.J. McComas, An examination of the Tsyganenko (T89a) field model using a database of two-satellite magnetic field conjunctions, J. Geophys. Res., 102, 2309, 1997.

1996

Birn, J., M. F. Thomsen, J. E. Borovsky, G. D. Reeves, D. J. McComas, and R. D. Belian, Plasma and energetic particle properties of dispersionless substorm injections at geosynchronous orbit, in Third International Conference on Substorms (ICS-3), ESA Publ., SP-389, edited by E. J. Rolfe and B. Kaldeich, p.321, 1996

Birn, J., M. Hesse, M. F. Thomsen, J. E. Borovsky, G. D. Reeves, D. J. McComas, and R. D. Belian, Substorm-associated ion acceleration in the dynamic magnetotail, in Third International Conference on Substorms (ICS-3), ESA Publ., SP-389, edited by E. J. Rolfe and B. Kaldeich, p.243, 1996.

Borovsky, J. E., R. C. Elphic, H. O. Funsten, and M. F. Thomsen, The Earth's plasma sheet as a laboratory for turbulence in high-beta MHD, J. Plasma Phys., in press, 1996.

Borovsky, J. E., M. F. Thomsen, and D. J. Mc Comas, The superdense plasma sheet: plasmaspheric origin, solar-wind origin, or ionospheric origin?, J. Geophys. Res., 102, 22 089, 1996.

C:son Brandt, P., S. Garabash, O. Norberg, R. Lundin, E. C. Rowlof, C. J. Chase, B. H. Mauk, and M. Thomsen, ENA imaging from the Swedish microsatellite Astrid during the magnetic storm of 8 Rebruary, 1995, Geophys. Res. Lett., submitted, 1996.

Elphic, R.C., L.A. Weiss, M.F. Thomsen, and D.J. McComas, Evolution of plasmaspheric ions at geosynchronous orbit during times of high activity, Geophys. Res. Lett., 23, 2189, 1996.

Hones, E. W., M. F. Thomsen, G. D. Reeves, L. A. Weiss, D. J. McComas, and P. T. Newell, Observational determination of magnetic connectivity of the geosynchronous region of the magnetosphere to the auroral oval, J. Geophys. Res., 101, 2629, 1996.

Moldwin, M. B., M. F. Thomsen, S. J. Bame, D. J. McComas, L. A. Weiss, G. D. Reeves, and R. D. Belian, The appearance of plasmaspheric plasma in the outer magnetosphere in association with geomagnetic substorms, Geophys. Res. Lett., 23, 801, 1996.

Reeves, G. D., L. A. Weiss, M. F. Thomsen, and D. J. McComas, Quantitative experimental verification of the magnetic conjugacy of geosynchronous orbit and the auroral zone, Proc. of ICS-3, Versailles France, 12-17 May, 187-192, 1996.

Thomsen, M.F., D. J. McComas, G.D. Reeves, and L.A. Weiss, An observational test of the Tsyganenko (T89a) model of the magnetospheric field, J. Geophys. Res., 101, 24 826, 1996.

Thomsen, M. F., J. E. Borovsky, D. J. McComas, and M. B. Moldwin, Observations of the Earth's plasma sheet at geosynchronous orbit, Proc. Taos Workshop on the Earth's Trapped Particle Environment, American Institute of Physics, p. 25, 1996.

Weiss, L.A., M.F. Thomsen, G.D. Reeves, and D.J. McComas, Observational testing of magnetospheric magnetic field models at geosynchronous orbit, Proceedings of the Workshop on the Evaluation of Space Weather Forecasts, Boulder, CO, pp. 93 - 100, 1996.

1995

Gary, S. P., M. F. Thomsen, L. Yin, and D. Winske, Electromagnetic proton cyclotron instability: Interactions with magnetospheric protons, J. Geophys. Res., 100, 21 961, 1995.

Gary, S. P., M. B. Moldwin, M. F. Thomsen, D. Winske, and D. J. McComas, Hot proton anisotropies and cool proton temperatures in the outer magnetosphere, Proc. Taos Workshop on the Earth's Trapped Particle Environment, American Institute of Physics, p. 71, 1995.

Moldwin, M. B., M. F. Thomsen, S. J. Bame, D. J. McComas, and G. D. Reeves, The Fine-Scale Structure of the Outer Plasmasphere, J. Geophys. Res., in press, 1995.

Moldwin, M. B., M. F. Thomsen, S. J. Bame, D. J. McComas, J. Birn, G. D. Reeves, R. Nemzek, and R. D. Belian, Flux Dropouts of Plasma and Energetic Particles at Geosynchronous Orbit During Large Geomagnetic Storms: Entry Into the Lobes, J. Geophys. Res., in press, 1995.

Moldwin, M. B., M. F. Thomsen, D. J. McComas, and G. D. Reeves, Dynamics and variability of the plasmasphere observed from synchronous orbit, Proc. Taos Workshop on the Earth's Trapped Particle Environment, American Institute of Physics, p.45, 1996.

Suszcynsky, D. M., J. E. Borovsky, M. F. Thomsen, D. J. McComas, G. D. Reeves, and R. D. Belian, A Coordinated Study of Ground-based Auroral Observations and Geosynchronous Satellite-based Plasma and Energetic Particle Measurements , EOS Trans. AGU 1995 Fall Mtg. Prog. and Abstr. 76 suppl., 510, 1995.

Suszcynsky, D. M., J. E. Borovsky, T. A. Hallinan, M. F. Thomsen, D. J. McComas, G. D. Reeves, R. D. Belian, All-Sky Observations of Auroral Activity Coordinated With Geosynchronous-Satellite Measurements of the Equatorial Magnetosphere, International Union of Geodesy and Geophysics, XXI General Assembly, Boulder, CO, July 2-14, 1995.

1994

Birn, J., J. E. Borovsky, M. F. Thomsen, M. B. Moldwin, L. A. Weiss, and D. J. McComas, Using Neural Networks to Discern Different Regions of Space: The MPA Data Set, Los Alamos National Laboratory internal report, LA-12868-MS, 1994.

Elphic, R. C., L. A. Weiss, M. F. Thomsen, D. J. McComas, and S. J. Bame, Observations of Cold Magnetospheric Ions at Geosynchronous Orbit During Times of High Activity, Proc. 8th Intnl. Conf. on Solar-Terrestrial Physics, Sendai, Japan, June 1994.

Gary, S. P., M. B. Moldwin, M. F. Thomsen, and D. Winske, Hot Proton Anisotropies and Cool Proton Temperatures in the Outer Magnetosphere, J. Geophys. Res., 99, 23603, 1994.

McComas, D. J., R. C. Elphic, M. B. Moldwin, and M. F. Thomsen, Plasma Observations of Magnetopause Crossings at Geosynchronous Orbit, J. Geophys. Res., 99, 21249, 1994.

McComas, D. J., R. C. Elphic, M. B. Moldwin, and M. F. Thomsen, Geosynchronous Orbit Magnetopause Crossings, Proc. 8th Intnl. Conf. on Solar-Terrestrial Physics, Sendai, Japan, June 1994.

Moldwin, M., M. F. Thomsen, S. J. Bame, D. J. McComas, and K. R. Moore, An Examination of the Structure and Dynamics of the Outer Plasmasphere Using Multiple Geosynchronous Satellites, J. Geophys. Res., 99, 11475, 1994.

Thomsen, M. F., S. J. Bame, D. J. McComas, M. B. Moldwin, and K. R. Moore, The Magnetospheric Lobe at Geosynchronous Orbit, J. Geophys. Res., 99, 17283, 1994.

Thomsen, M. F., L. A. Weiss, D. J. McComas, M. B. Moldwin, and G. D. Reeves, An Observational Test of Magnetospheric Field Models at Geosynchronous Orbit, Proc. 8th Intnl. Conf. on Solar-Terrestrial Physics, Sendai, Japan, June 1994.

Weiss, L. A., M. F. Thomsen, E. W. Hones, D. J. McComas, and G. D. Reeves, An Observational Test of Magnetospheric Magnetic Field Mapping, Proc. 8th Intnl. Conf. on Solar-Terrestrial Physics, Sendai, Japan, June 1994.

1993

Bame, S. J., D. J. McComas, M. F. Thomsen, B. L. Barraclough, R. C. Elphic, J. P. Glore, J. T. Gosling, J. C. Chavez, E. P. Evans, and F. J. Wymer, Magnetospheric Plasma Analyzer for Spacecraft with Constrained Resources, Rev. Sci. Instr., 64, 1026, 1993.

McComas, D. J., S. J. Bame, B. L. Barraclough, J. R. Donart, R. C. Elphic, J. T. Gosling, M. B. Moldwin, K. R. Moore, and M. F. Thomsen, Magnetospheric Plasma Analyzer (MPA): Initial Three-Spacecraft Observations from Geosynchronous Orbit, J. Geophys. Res., 98, 13453, 1993.

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