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Faculty Profile Last Modified Time: 10:43:54 AM Wed, 26 Nov 2008   Contact Information Dr. James L Horwitz Professor & Chairperson-Physics     Arlington, TX 76019     Mail Box: 19059, Science Hall (SH 108). CPB 332    horwitz@uta.edu     817-272-0991    Faculty Home Page    Space plasma physics, particularly of the terrestrial magnetosphere and ionosphere    Associated Profiles Professional Preparation Research and Expertise Publications Presentations and Projects Appointments Synergistic Activities Support News MavBalls Research Additional Information  Professional Preparation  Degree Major Institution Year  Ph.D. Applied Physics University of California, San Diego 1976  M.S. Physics University of California, San Diego 1972  B.A. Physics University of California, San Diego 1970  Research and Expertise Space Physics   Space Physics Research Group Development and application of the Dynamic Fluid-Kinetic(DyFK) model for simulation investigations of ionospheric plasma transport into the magnetosphere, including effects of soft-electron precipitation, transverse ion heating by waves, and parallel electric fields produced by hot plasma differential anisotropies. Particular focus on the dynamic behavior of the collisional-collisionless transition region of the high-latitude ionosphere-magnetosphere coupling zone. Analysis of observations from satellite-borne plasma and field detectors of low-energy plasma transport in the magnetosphere and F-region/topside ionosphere, particularly the Thermal Ion Dynamics Experiment (TIDE) on NASA's POLAR spacecraft. Current investigations focus on the morphology of O+ density troughs within the polar cap at 5000 km altitude, and near-simultaneous near-conjunction ion transport measurements made by POLAR/TIDE(at 5000 km altitude) and DMSP(near 840 km altitude) ion detectors at high-latitudes, and use of DyFK simulations to model direct spacecraft observations. Research Interests   Space plasma physics, particularly of the terrestrial magnetosphere and ionosphere.  Publications  Category AllBooksEditorshipsRefereed/Invited Publications    Publications per page   1 2 3 4 5 6 7 8 9 10 Next>> 34>>    Year Publication Category 2008 Jaafari, F., J. L. Horwitz, and W. Zeng, Simulation of the formation of O+ density troughs at 6000 km altitude in the polar cap ionosphere-magnetosphere region, J. Geophys. Res., 113, A07207, doi:10.1029/2007JA012690, 2008. Refereed/Invited Publications 2008 Zeng, W., and J. L. Horwitz, Storm enhanced densities (SED) as possible sources for cleft ion fountain dayside ionospheric outflows, Geophys. Res. Lett., Vol. 35,L04103, doi:10.1029/2007GL032511, 2008. Refereed/Invited Publications 2008 Horwitz, J. L. and W. Zeng, Physics-based formula representations of high-latitude ionospheric outflows: H+ and O+ densities, flow velocities and temperatures vs. soft electron precipitation, wave-driven transverse heating, and solar zenith angle effects, J. Geophys. Res., 113, in press, 2008. Refereed/Invited Publications 2007 Zeng, W. and J. L. Horwitz, Formula representation of auroral ionospheric O+ outflows based on systematic simulations with effects of soft electron precipitation and transverse ion heating, Geophys. Res. Lett., Vol. 34, No. 6,L0610310.1029/2006GL028632, 20 March, 2007. Refereed/Invited Publications 2007 Moore T. E., and  J. L. Horwitz , Stellar ablation of planetary atmospheres, Rev. Geophys., 45, RG3002, doi:10.1029/2005RG000194, 2007. Refereed/Invited Publications  Presentations and Projects Presentation Abstracts:    2007 - present Horwitz, J. L. and W. Zeng, Compact analytic expressions for high-latitude ionospheric outflows: H+ and O+ densities and flow velocities vs. precipitation, wave-heating, and solar zenith angle effects, to be presented to COSPAR, Montreal, July 13-20, 2008. Horwitz, J. L. and W. Zeng, Storm enhanced density (SED) plumes as possible suppliers of dayside cleft ion fountain, to be presented to COSPAR, Montreal, July 13-20, 2008. Horwitz, J. L., F. Jaafari, W. Zeng, S. Jones, and Y.-J. Su, The interaction of Alfvenic electrons and the auroral ionosphere: First results, presented to COSPAR, Montreal, July 13-20, 2008. Horwitz, J. L. and W. Zeng, Analytic formulas expressing high-latitude ionospheric outflows for possible incorporation into large-scale magnetospheric modeling, presentation and abstract for Western Pacific meeting in Cairns, Australia, July 29-August 1, 2008. Horwitz, J. L., W. Zeng, J. C. Foster, R. J. Strangeway, M. L. Adrian, and T. E. Moore, Do  Plasmasphere Plume-associated Storm-Enhanced Densities (SEDS) Supply  Ionospheric Outflows to the Magnetosphere?, presentation and abstract for Western Pacific meeting in Cairns, Australia, July 29-August 1, 2008. Jaafari, F. B., J. L. Horwitz, S. Jones, and Y.-J. Su,  Simulation of the  interaction of Alfvénic electrons with the auroral ionospheric plasma transport, presentation and abstract for Western Pacific meeting in Cairns, Australia, July 29-August 1, 2008. Horwitz, J. L., W. Zeng, J. C. Foster, R. J. Strangeway, Mark L. Adrian, and T. E. Moore, Plasmasphere Plume-associated Storm-Enhanced Densities (SED) as Suppliers of Ionospheric Outflows to the Magnetosphere, in abstract book, presented to Texas Section of American Physical Society, University of Texas at El Paso, El Paso Texas, October 16-18, 2008. Jaafari, F., J. L. Horwitz, S. Jones, Y.-J. Su, and W. Zeng, The interplay of Alfvén waves and energized electrons with auroral ionospheric plasma, in abstract book, presented to Texas Section of American Physical Society, University of Texas at El Paso, El Paso Texas, October 16-18, 2008. Horwitz, J. L., and W. Zeng, Analytic representations of high-altitude auroral H+ and O+ densities, flow velocities and temperatures in terms of drivers for incorporation into global magnetospheric models, , in abstract book, presented to Texas Section of American Physical Society, University of Texas at El Paso, El Paso Texas, October 16-18, 2008. Horwitz, J. L., W. Zeng, J. C. Foster, R. J. Strangeway, M. L. Adrian, and T. E. Moore, Dynamic Fluid-Kinetic (DyFK) Simulations of Storm-Enhanced Density Supply of Cleft Ion Fountain Outflows, to be presented to American Geophysical Union meeting, San Francisco, CA, December 15-19, 2008. Jaafari, F., J. L. Horwitz, S. Jones, Y.-J. Su, and W. Zeng, Alfvén waves and electron energization and their interaction with auroral ionospheric plasma transport, in abstract book, to be presented to American Geophysical Union meeting, San Francisco, CA, December 15-19, 2008. Zeng, W., and J. L. Horwitz, High-latitude ionospheric outflows characterized through analytic formulas, in abstract book, to be presented to American Geophysical Union meeting, San Francisco, CA, December 15-19, 2008. Strangeway, R J., J.  L. Horwitz, and W. Zeng, Comparison between data-based and simulation-based ion outflow scaling laws, in abstract book, to be presented to American Geophysical Union meeting, San Francisco, CA, December 15-19, 2008 Horwitz, J. L., Ionospheric plasma supply to magnetosphere, abstract for invited talk presented to 8th International School for Space Simulations (ISSS-8), Kauai, Hawaii, February 25 - March 3, 2007. Horwitz, J. L., Dynamic Fluid-Kinetic simulations of high-latitude ionospheric outflows and their compact parameterization for use in global magnetospheric modeling, abstract for invited talk presented to High-Altitude Observatory, Boulder, Colorado, April 4, 2007. Jaafari, F., J. L. Horwitz, and W. Zeng, Modeling the O+ trough region in the polar cap ionospheremagnetosphere coupling region, presentation and abstract for Spring Joint Assembly with American Geophysical Union, Acapulco, Mexico, May 21-26, 2007. Horwitz, J. L., and W. Zeng, Further Advances in formula representation of high-altitude O+ ionospheric outflows based on DyFK simulations, presentation and abstract for Spring Joint Assembly with American Geophysical Union, Acapulco, Mexico, May 21-26, 2007. Jaafari, F., J. L. Horwitz, and W. Zeng, Simulations of the O+ trough region in the polar cap ionosphere-magnetosphere coupling region with the UT Arlington DyFK model, presentation and abstract for IUGG/IAGA meeting, Perugia, Italy, July 2-13, 2007. Horwitz, J. L., and W. Zeng, New formula representations of high-latitude O+ ionospheric outflows for use in global magnetospheric modeling, presentation and abstract for IUGG/IAGA meeting, Perugia, Italy, July 2-13, 2007. Jaafari, F., J. L. Horwitz, and W. Zeng, Formation of O+ trough zones in the polar cap ionospheremagnetosphere coupling region: Dynamic Fluid-Kinetic Simulations, in abstract book, presented to Texas Section of American Physical Society, Texas A&M University, College Station, Texas, October 18-20, 2007. Horwitz, J. L., and W. Zeng,  Compact representations of high-latitude ionospheric outflows, in abstract book, presented to Texas Section of American Physical Society, Texas A&M University, College Station,  Texas, October 18-20, 2007. Zeng, W. and J. L.  Horwitz, Simulations of the cleft ion fountain outflows resulting from the passage of storm enhanced density (SED) plasma flux tubes through the dayside cleft auroral processes region, in abstract book, presented to Texas Section of American Physical Society, Texas A&M University, College Station,  Texas, October 18-20, 2007. Horwitz, J. L., Astrophysics and Space Physics at the University of Texas at Arlington, in abstract book, invited  presentation to Changwon International Symposium on Advanced Science and Technology (CISAS), Changwon National University, Changwon, South Korea, November, 2007. Zeng, W., and J. L. Horwitz, Fluid-kinetic simulations of the passage of Storm Enhanced Density (SED) plasma flux tubes through the dayside cleft auroral processes region, presentation and abstract for American Geophysical Union meeting, San Francisco, California, December 10-14, 2007. Jaafari, F., J. L. Horwitz, and W. Zeng, Simulations of the formation of O+ trough zones in the polar cap ionosphere-magnetosphere coupling region, presentation and abstract for American Geophysical Union meeting, San Francisco, California, December 10-14, 2007. Zeng, W., and J. L. Horwitz, Physics-based formula representations of high-latitude ionospheric outflows: H+ and O+ densities and flow velocities vs. precipitation, wave-heating, and solar zenith angle effects, presentation and abstract for American Geophysical Union meeting, San Francisco, California, December 10-14, 2007. Presentation Abstracts:    1973 - 2006 Horwitz, J. L., and J. R. Doupnik, Incoherent scatter measurements of ion and electron temperatures in the auroral zone, EOS Trans., Vol. 54, No. 27, 1973/Supplement. Doupnik, J. R., P. M. Banks, J. L. Horwitz, and J. C. Siren, Measurements of the latitudinal variations of the convection electric field in the auroral zone, EOS Trans., Vol. 56, No. 29, 1974/Supplement. Horwitz, J. L., The latitudinal distribution of transverse electric fields related to E11, large scale auroral features and to ground and interplanetary magnetic field variations. In program for the Proceedings of the Chatanika Radar Advisory Group Meeting, Stanford Research Institute, 1977. Langford, J., and J. L. Horwitz, Inferring trapped plasma distributions along a magnetic field line from equatorial measurements, EOS Trans., Vol. 59, 349, 1978. Comfort, R. H., and J. L. Horwitz, Dayside low-energy proton pitch angle distributions at geosynchronous altitudes, EOS Trans., Vol. 59, 349, 1978. Horwitz, J. L., and C. R. Chappell, Equatorial observations of low-energy plasma in the dayside plasma trough, EOS Trans., Vol. 59, 353, 1978. Horwitz, J. L., C. R. Bower, E. G. Shelley, and D. T. Young, Conical pitch angle distributions of low-energy ion fluxes: evidence for cyclotron acceleration, EOS Trans., Vol. 59, 1144, 1978. Horwitz, J. L. C. R. Baugher, J. Ransom, E. G. Shelley, and D. T. Young, Thermal ion distribution functions observed in the magnetosphere with ISEE-1, EOS Trans., Vol. 59, 348, 1979. Horwitz, J. L., C. R. Baugher, C. R. Chappell, E. G. Shelley, and D. T. Young, Occurrence of pancake distributions in E<100 eV ions observed with ISEE-1. EOS Trans., Vol. 60, 929, 1979. Baugher, C. R., J. L. Horwitz, C. R. Chappell, E. G. Shelley, and D. T. Young, Occurrence of isotropic and field-aligned distributions in low-energy ions near the plasmapause, EOS Trans., Vol. 60, 929, 1979. Horwitz, J. L., G. O. Dennis, C. R. Baugher, C. R. Chappell, E. G. Shelley, and D. T. Young, Analytic representations for thermal ions observed by ISEE-1, EOS Trans., Vol. 61, No. 34, 1980. Horwitz, J. L., C. R. Baugher, C. R. Chappell, E. G. Shelley, and D. T. Young, ISEE-1 observations of plasmasphere refilling, EOS Trans., Vol. 61, No. 34, 1980/Supplement. Horwitz, J. L., C. R. Chappell, D. L. Reasoner, C. R. Baugher, J. L. Green, and P. D. Craven, Low-energy plasma composition results from the ISEE-1 and SCATHA satellites (invited review paper). In program for the Assembly of International Association of Geomagnetism and Aeronomy, Edinburgh, Scotland, 1981. Waite, J. H., Jr., and J. L. Horwitz, He+ in the terrestrial plasmasphere, EOS Trans., Vol. 62, No. 35, 1981/Supplement. Comfort, R. H., J. L. Horwitz, C. R. Baugher, and C. R. Chappell, Identification of M/Z = 2 ions inside the plasmasphere, EOS Trans., Vol. 62, No. 35, 1981/Supplement. Horwitz, J. L., W. K. Cobb, C. R. Baugher, C. R. Chappell, L. A. Frank, T. E. Eastman, E. G. Shelley, and D. T. Young, The relationship of the plasmapause to the equatorward boundary of the auroral oval and to the inner edge of the electron plasma sheet, EOS Trans., Vol. 62, No. 35, 1981/Supplement. Horwitz, J. L., and C. R. Chappell, Detached plasma regions, EOS Trans., Vol. 63, No. 36,  1982/Supplement. Comfort, R. H., C. R. Chappell, J. H. Waite, Jr., J. F. E. Johnson, J. L. Horwitz, S. D. Shawhan, and R. L. Huff, DE-1 plasma densities from particle and wave measurements, EOS Trans., Vol. 63, No. 36, 1982/Supplement. Horwitz, J. L., R. H. Comfort, S. Lee, C. R. Chappell, J. H. Waite, Jr., J. L. Green, and J. F. E.  Johnson, Plasmaspheric ion composition, EOS Trans., Vol. 63, No. 36, 1982/Supplement. Roberts, W. T., J. L. Horwitz, C. R. Chappell, J. H. Waite, Jr., J. L. Green, and J. F. E. Johnson, Torus of thermal heavy ions in the vicinity of the plasmapause, EOS Trans., Vol. 63, No. 36, 1982/Supplement. Horwitz, J. L., and D. T. Young, Composition and dynamics of < 1 keV plasmas in the Earth's magnetosphere, EOS Trans., Vol. 63, No. 36, 1982/Supplement. Comfort, R. H., J. L. Horwitz, C. R. Chappell, and J. H. Waite, Jr., Thermal equilibrium among plasmaspheric ions as observed by DE/RIMS, EOS Trans., Vol. 64, No. 37, 1983/Supplement. Nagai, T., J. L. Horwitz, R. R. Anderson, and C. R. Chappell, Plasmapause structure from ISEE-1 low-energy ion and plasma wave observations, EOS Trans., Vol. 64, No. 37, 1983/Supplement. Horwitz, J. L., J. Turnley, M. O. Chandler, C. R. Chappell, T. Nagai, J. D. Craven, L. A. Frank, S. D. Shawhan, J. L. Burch, J. D. Winningham, and D. W. Slater, Comparison of observed plasma boundaries in the inner magnetosphere, EOS Trans., Vol. 64, No. 37, 1983/Supplement. Horwitz, J. L., The plasmapause: Classical and new concepts on its identification, formation, dynamics, and relationship to other magnetospheric structure. In program for the Huntsville Workshop: Fundamental Magnetospheric Processes in the Plasmapause Region, Huntsville, AL, 1983. Craven, J. D., L. A. Frank, and J. L. Horwitz, Association of the plasmapause position in the evening sector with prior auroral activity. In program for the Huntsville Workshop: Fundamental Magnetospheric Processes in the Plasmapause Region, Huntsville, AL, 1983. Horwitz, J. L., R. H. Comfort, M. O. Chandler, and C. R. Chappell, Evolution of plasmasphere structure during refilling periods. In program for the Huntsville Workshop: Fundamental Magnetospheric Processes in the Plasmapause Region, Huntsville, AL, 1983. Roberts, W. T., Jr., J. L. Horwitz, J. H. Waite, Jr., J. D. Winningham, R. H. Comfort, J. L. Green, and C. R. Chappell, Observations of heavy ion enhancements in the outer plasmasphere. In program for the Huntsville Workshop: Fundamental Magnetospheric Processes in the Plasmapause Region, Huntsville, AL, 1983. Biddle, A. P., J. L. Horwitz, C. R. Chappell, and J. D. Winningham, Response of the plasmasphere to magnetospheric storms. In program for the Huntsville Workshop: Fundamental Magnetospheric Processes in the Plasmapause Region, Huntsville, AL, 1983. Horwitz, J. L., M. Pendergrass, R. H. Comfort, and C. R. Chappell, Plasmapause and plasmasphere structure from DE-1 observations, EOS Trans., Vol. 64, No. 37, 1983/Supplement. Horwitz, J. L., R. H. Comfort, and C. R. Chappell, Satellite observations of the formation of the outer plasmasphere, EOS Trans., Vol. 64, No. 37, 1983/Supplement. Horwitz, J. L., A simple formula relating the dusk sector radial electric field to electron energy dispersion at the inner edge of the plasma sheet, EOS Trans., Vol. 65, No. 38, 1984/Supplement. Lockwood, M., J. H. Waite, Jr., T. E. Moore, M. O. Chandler, J. L. Horwitz, M. Loranc, and R. A. Heelis, Mass and energy dispersions of ionospheric ions injected in the magnetosphere near the cusp, EOS Trans., Vol. 65, No. 38, 1984/Supplement. Horwitz, J. L., L. H. Brace, R. H. Comfort, and C. R. Chappell, Near-conjugate measurements of plasmasphere and ionosphere structure, EOS Trans., Vol. 65, No. 38, 1984/Supplement. Forest, G., J. L. Horwitz, and M. Lockwood, Ion trajectories in the polar magnetosphere and DE-1 observations, EOS Trans., Vol. 65, No. 38, 1984/Supplement. Horwitz, J. L., M. Lockwood, J. H. Waite, Jr., T. E. Moore, and M. O. Chandler, Transport of O+ through the polar magnetosphere: Modeling and DE-1 observations. In program for the International School for Space Simulations – 2, Kuaii, Hawaii, 1985. Waite, J. H., Jr., M. Lockwood, T. E. Moore, M. O. Chandler, J. L. Horwitz, and C. R. Chappell, Solar wind control of the geomagnetic mass spectrometer. In program for the Solar Wind-Magnetosphere Coupling Workshop, 1985. Horwitz, J. L., The tail lobe ion spectrometer. In program for the Chapman Conference: Magnetotail Physics, JHU/APL, Laurel, MD, 1985. Green, J. L., and J. L. Horwitz, Destiny of earthward-streaming plasma in plasma sheet boundary layer. In program for the Chapman Conference: Magnetotail Physics. JHU/APL, Laurel, MD, 1985. Horwitz, J. L., The new thermal ion composition measurements of the plasmasphere and plasmapause region: Important questions for modelers, EOS Trans., Vol. 66, No. 39, 1985/Supplement. Horwitz, J. L., J. H. Waite, Jr., and T. E. Moore, Creation of 'supersonic' ion outflows in the polar magnetosphere via the geomagnetic spectrometer, EOS Trans., Vol. 66, No. 39, 1985/Supplement. Horwitz, J. L., The ion bowl distribution: A fundamental consequence of transport from a restricted source, EOS Trans., Vol. 66, No. 39, 1985/Supplement. Swinney, K. R., and J. L. Horwitz, Three-Dimensional ion trajectories in the magnetosphere, EOS Trans., Vol. 66, No. 39, 1985/Supplement. Reyes, T. R., and J. L. Horwitz, Three-Dimensional model for the electric potential distribution at high latitudes: A first approach, EOS Trans., Vol. 66, No. 39,1985/Supplement. Horwitz, J. L., Tail lobe ion distributions supplied by the cleft ion fountain. In program for the Yosemite Chapman Conference: Ionospheric Plasma in the Magnetosphere Yosemite, CA, 1986. Horwitz, J. L., Parametric model study of 'parabolic' and 'hopping' flows from the cleft ion fountain. In program for the Yosemite Chapman Conference: Ionospheric Plasma in the Magnetosphere, Yosemite, CA, 1986. Horwitz, J. L., R. H. Comfort, L. H. Brace, and C. R. Chappell, Dual spacecraft measurements of plasmasphere-ionosphere coupling. In program for the Yosemite Chapman Conference: Ionospheric Plasma in the Magnetosphere, Yosemite, CA, 1986. Swinney, K. R., and J. L. Horwitz, Transport of ionospheric ions in the magnetosphere: Three-dimensional trajectories. In program for the Yosemite Chapman Conference: Ionospheric Plasma in the Magnetosphere, Yosemite, CA, 1986. Craven, P. D., J. L. Green, J. D. Craven, C. R. Chappell, L. A. Frank, and J. L. Horwitz, An auroral source of suprathermal ions. In program for the Yosemite Chapman Conference: Ionospheric Plasma in the Magnetosphere, Yosemite, CA, 1986. Horwitz, J. L., R. H. Comfort, and C. R. Chappell, Plasmasphere and plasmapause characteristics as measured by DE-1. In program for the XXVI COSPAR Meeting, p. 103, Toulouse, France, 1986. Candidi, M., J. L. Horwitz, and S. Orsini, The tail ion spectrometer effect: Theory and observations. In program for the XXVI COSPAR Meeting, p. 106, Toulouse, France, 1986. Brace, L. H., W. Hoegy, and J. L. Horwitz, The relationship of the plasmapause and ionospheric signatures. In program for the XXVI COSPAR Meeting, p. 106, Toulouse, France, 1986. Lockwood, M., J. H. Waite, Jr., T. E. Moore, C. R. Chappell, and J. L. Horwitz, Low-energy ionospheric ion flows into the magnetosphere. In program for the XXVI COSPAR Meeting, p. 103, Toulouse, France, 1986. Horwitz, J. L., Parabolic heavy ion flow in the polar magnetosphere, EOS Trans., Vol. 67, No. 40, 1986/Supplement. Chandler, M. O., J. L. Horwitz, R. H. Comfort, and J. T. Ponthieu, Theoretical investigations of O+ and O++enhancements in the outer plasmasphere, EOS Trans., Vol. 67, No. 40, 1986/Supplement. Giles, B. L., C. R. Chappell, J. H. Waite, Jr., T. E. Moore, and J. L. Horwitz, The auroral ion fountain: MLT, L-shell and magnetic activity dependencies, EOS Trans., Vol. 67, No. 40, 1986/Supplement. Swinney, K., and J. L. Horwitz, Parametric studies of three-dimensional ion trajectories in the magnetosphere, EOS Trans., Vol. 67, p. No. 40, 1986/Supplement. Orsini, S., M. Candidi, and J. L. Horwitz, Observations and a model for the tail lobe ion spectrometer, EOS Trans., Vol. 67, No. 40, 1986/Supplement. Horwitz, J. L., Simulation and measurements of low-energy ionospheric plasmas in the magnetosphere. In program for the International Symposium on Space Physics, Beijing China, 1986. Horwitz, J. L., The kinetic approach in global plasma transport modeling, advantages and difficulties.  In program for the Huntsville Workshop: Magnetosphere/Ionosphere Models, Guntersville, AL, 1986. Giles, B. L., C. R. Chappell, J. H. Waite, Jr., T. E. Moore, and J. L. Horwitz, Dynamical evolution of low-energy ions in the terrestrial magnetosphere. In program for the Huntsville Workshop: Magnetosphere/Ionosphere Models, Guntersville, AL, 1986. Chandler, M. O., J. U. Kozyra, J. L. Horwitz, R. H. Comfort, W. K. Peterson, and L. H. Brace, Modeling of the thermal plasma in the outer plasmasphere: A magnetospheric heat source. In program for the Huntsville Workshop: Magnetosphere/Ionosphere Models Workshop, Guntersville, AL, 1986. Brace, L. H., and J. L. Horwitz, Plasmasphere and ionosphere signatures from Dynamics Explorer. EOS Trans., Vol. 67, No. 40, 1986/Supplement. Horwitz, J. L., W. B. Hanson, R. A. Heelis, M. O. Chandler, R. H. Comfort, and L. H. Brace, Plasmasphere-ionosphere coupling from dynamics explorer: inclusion of topside ionosphere ion composition, EOS Trans., Vol. 67, No. 40, 1986/Supplement. Swinney, K., and J. L. Horwitz, DE-inspired kinetic modeling of the transport of ionospheric ions into the magnetosphere, EOS Trans., Vol. 67, No. 40, 1986/Supplement. Horwitz, J. L., N. Singh, K. R. Swinney, C. R. Chappell, D. Delcourt, B. L. Giles, T. E. Moore, and J. R. Waite, Jr., Acceleration and transport of ionospheric ions in magnetosphere-ionosphere coupling processes. In program for the International Symposium: Quantitative Modeling of Magnetosphere-Ionosphere Coupling Processes, Kyoto, Japan, 1987. Candidi, M., S. Orsini, and J. L. Horwitz, The tail lobe spectrometer: theory and observations. In program for the International Symposium: Quantitative Modeling of Magnetosphere-Ionosphere Coupling Processes, Kyoto, Japan, 1987. Saflekos, N., J. L. Burch, M. Sugiura, D. A. Gurnett, and J. L. Horwitz, Observation of reconnected flux tubes within the mid-altitude cusp, EOS Trans., Vol. 68, No. 41, 1987/Supplement. Moore, T. E., D. L. Gallagher, J. L. Horwitz, and R. H. Comfort, MHD wave braking in the outer plasmasphere, EOS Trans., Vol. 68, No. 41, 1987/Supplement. Horwitz, J. L., G. Wilson, and K. Swinney, Kinetic modeling of the transport of ionospheric ions into the magnetosphere. In program for the Cambridge Workshop: Polar cap dynamics and high latitude ionospheric turbulence, Boston, MA, 1988. Giles, B. L., C. R. Chappell, J. H. Waite, Jr., T. E. Moore, and J. L. Horwitz, Low-energy ion outflow events revisited, EOS Trans., Vol. 69, No. 42, 1988/Supplement. Giles, B. L., C. R. Chappell, T. E. Moore, J. L. Horwitz, and J. H. Waite, Jr., Variability of low-energy ion outflow events, EOS Trans., Vol. 70, No. 43, 1989/Supplement. Pollock, C. J., C. R. Chappell, J. L. Horwitz, and J. D. Winningham, Occurrence and effects of field-aligned electrostatic potential drops above the ionospheric polar caps. In program for the Huntsville workshop: Magnetosphere/Ionosphere Plasma Models, Huntsville, AL, of 1989. Ho, C. W., J. L. Horwitz, and G. R. Wilson, A time-dependent kinetic model of polar plasma outflow: Initial results. In program for the Huntsville workshop: Magnetosphere/Ionosphere Plasma Models, Huntsville, AL, 1989. Ho, C. W., J. L. Horwitz, and G. R. Wilson, A new time-dependent one-dimensional kinetic polar plasma outflow model, EOS Trans., Vol. 70, No. 43, 1989/Supplement. Lin, J., J. L. Horwitz, and G. R. Wilson, An early-stage refilling model based on a "kinetic" approach with trapping due to turbulent ion heating, EOS Trans., Vol. 70, No. 43, 1989/Supplement. Horwitz, J. L., R. H. Comfort, P. G. Richards, M. O. Chandler, C. R. Chappell, P. Anderson, W. B. Hanson, and L. H. Brace, Plasmasphere-ionosphere coupling II: Ion composition measurements at plasmaspheric and ionospheric altitudes and comparison with modeling results, EOS Trans., Vol. 70, No. 43, 1989/Supplement. Lin, J., J. L. Horwitz, and K. -S. Hwang, An early-stage refilling of the plasmasphere: Effect of turbulent heating and pitch-angle scattering. In program for the Huntsville Workshop: Magnetosphere/Ionosphere Plasma Models, Huntsville, AL, 1989. Singh, N., C. W. Ho, J. L. Horwitz, and G. R. Wilson, Evolution of density perturbations in kinetic and hydrodynamic models of polar plasma outflow, EOS Trans., 71, No. 43, 1990/Supplement. Ho, C. W., J. L. Horwitz, G. R. Wilson, N. Singh, and T. E. Moore, Magnetospheric electron effects on polar plasma outflow, EOS Trans., Vol. 71, No. 43, 1990/Supplement. Brown, D. G., J. L. Horwitz, G. R. Wilson, and D. L. Gallagher, Effects of currents on polar plasma outflow: A time-dependent semi-kinetic description, EOS, Vol. 71, No. 43, 1990/Supplement. Horwitz, J. L., C. J. Pollock, Toward a 'quasi-empirical' scenario for plasmasphere refilling from recent thermal ion measurements. In program for the Plasmasphere Refilling Workshop, Huntsville, AL, 1990. Lin, J., J. L. Horwitz, and G. R. Wilson, A model for early-stage plasmasphere refilling based on a kinetic approach with wave-particle interactions. In program for the Plasmasphere Refilling Workshop, Huntsville, AL, 1990. Horwitz, J. L., C. J. Pollock, T. E. Moore, W. K. Peterson, J. L. Burch, J. D. Winningham, P. D. Craven, L. A. Frank, and A. Persoon, Outflowing O+ beams in the polar cap regions, EOS Trans., Vol. 71, No. 43, 1990/Supplement. Comfort, R. H., J. L. Horwitz, P. D. Craven, and C. R. Chappell, Characteristic refilling rates in the plasma trough from observations by DE-1/RIMS, EOS Trans., Vol. 72, No. 17, 1991/Supplement. Wilson, G. R., J. L. Horwitz, and J. Lin, The effects of Coulomb self-collisions on the refilling of a plasmaspheric flux tube: A kinetic perspective, EOS Trans., Vol. 72, No. 17, 1991/Supplement. Brown, D. G., G. R. Wilson, J. L. Horwitz, and D. L. Gallagher, A 'self-consistent' kinetic model of plasma heating and transport on auroral field lines, EOS Trans., Vol. 72, No. 17, 1991/Supplement. Singh, N., G. R. Wilson, and J. L. Horwitz, Comparison Between Hydrodynamic and Semi-Kinetic Models for Plasmasphere Refilling, EOS Trans., Vol. 72, No. 44, 1991/Supplement. Brown, D. G., J. L. Horwitz, G. R. Wilson, and D. L. Gallagher, 'Self-consistent' ion conic production on auroral field lines: A time-dependent semi-kinetic model. In program for the fourth International School for Space Simulation (ISSS-4), Kyoto, Japan, 1991. Ho, C. W., J. L. Horwitz, N. Singh, and G. R. Wilson, Comparison of time-dependent semikinetic and hydrodynamic polar wind models: Initial polar wind expansion, density cavities and density enhancements. In program for the workshop on Controversial Issues and New Frontier Research in Geoplasmas, Cambridge, MA, 1992. Lin, J., J. L. Horwitz, G. R. Wilson, and D. G. Brown, Early stage plasmasphere refilling: Effect of spatial and temporal variations in ion and electron heating and ionospheric inflow. In program for the workshop on Controversial issues and new frontier research in geoplasmas, Cambridge, MA, 1992. Wilson, G. R., J. L. Horwitz, and J. Lin, Semikinetic modeling of plasma flow on outer plasmaspheric field lines. In program for the XXIX COSPAR Meeting, Washington, DC, 1992. Wilson, G. R., J. L. Horwitz, C. W. Ho, D. G. Brown, R. W. Schunk, and A. R. Barakat, Recent theoretical progress in the study of the outflow of core plasma from the high latitude ionosphere. In program for the Huntsville workshop: Magnetosphere-ionosphere plasma models: Sources transport, energization, and loss of magnetospheric plasmas, Guntersville, AL, 1992. Ho, C. Wing, J. L. Horwitz, N. Singh and G. R. Wilson, Comparison of semikinetic and hydrodynamic models in the study of time-dependent phenomena in the polar wind. In program for the Huntsville Workshop: Magnetosphere-ionosphere plasma models: Sources, transport, energization, and loss of magnetospheric plasmas, Guntersville, AL, 1992. Lin, J., J. L. Horwitz, D. G. Brown, and G. R. Wilson, Hemispheric decoupling in plasmasphere refilling by equatorial ion and electron heating. In program for the Huntsville workshop: Magnetosphere-ionosphere plasma models: Sources, transport, energization, and loss of magnetospheric plasmas, Guntersville, AL, 1992. Brown, D. G., G. R. Wilson, and J. L. Horwitz, Synergism of magnetospheric particle anisotropies and wave heating in auroral ion beam formation and the "pressure cooker": A dynamic semikinetic model. In program for the Huntsville workshop: Magnetosphere-ionosphere plasma models: Sources, transport, energization, and loss of magnetospheric plasmas, Guntersville, AL, 1992. Frey, M. A., C. E. Rasmussen, J. L. Horwitz, and R. W. Spiro, Detached regions on plasmaspheric streamer. In program for the Huntsville workshop: Magnetosphere-ionosphere plasma models: Sources, transport, energization, and loss of magnetospheric plasmas, Guntersville, AL, 1992. Horwitz, J. L., J. Lin, D. G. Brown, and G. R. Wilson, Core plasma evolution at L=4-7: hemispheric "decoupling" by equatorial ion and electron heating, EOS Trans., Vol. 73, No. 43, 1992/Supplement. Ho, C. W., J. L. Horwitz, M. Loranc, and M. O. Chandler, Statistical survey of 0+ bulk parameters in the midaltitude polar cap magnetosphere, EOS Trans., Vol. 73, No. 43, 1992/Supplement. Lin, J., J. L. Horwitz, R. C. Olsen, and B. L. Giles, Properties of the latitudinal transition from field-aligned to trapped core ions in the equatorial inner magnetosphere, EOS Trans., Vol. 73, No. 43, 1992/Supplement. Neergaard, L., J. L. Horwitz, R. H. Comfort, P. C. Anderson, and M. O. Chandler, Plasmasphere-ionosphere coupling: ion heat fluxes and correlations among ion temperatures, composition and field-aligned flows from DE-1/2, EOS Trans., Vol. 73, No.43, 1992/Supplement. Brown, D. G., G. R. Wilson, and J. L. Horwitz, Mesoscale auroral plasma transport (MAPT): Effects of magnetospheric populations and wave heating in a time-dependent semikinetic model, EOS Trans., Vol. 73, No. 43, 1992/Supplement. Horwitz, J. L., G. R. Wilson, D. G. Brown, C. W. Ho, and J. Lin, Generalized semikinetic (GSK) models for space plasma transport, EOS Trans., Vol. 74, No. 16, 1993/Supplement. Lin, J., J. L. Horwitz, R. C. Olsen, C. J. Pollock, and D. L. Gallagher, Streaming/trapped ion interface in the equatorial inner magnetosphere, EOS Trans., 74, No. 16, 1993/Supplement. Brown, D. G., J. L. Horwitz, and G. R. Wilson, Generalized semikinetic (GSK) model of an auroral "pressure cooker", EOS Trans., Vol. 74, No. 16, 1993/Supplement. Ho, C. W., J. L. Horwitz, M. Loranc, and T. E. Moore, Characterization of core O+ density, flow velocity and temperature in the 3-5 Re polar cap, EOS Trans., Vol. 74, No. 43, 1993/Supplement. Brown, D. G., J. L. Horwitz, and G. R. Wilson, Modeling of auroral plasma transport, EOS Trans., Vol. 74, No. 43, 1993/Supplement. Rasmussen, C. E., M. A. Frey, D. L Carpenter, J. L. Horwitz, M. Smiddy, and R. W. Spiro, Plasmasphere evolution during a magnetic storm: Global simulation and CRRES observations, EOS Trans., Vol. 74, No. 43, 1993/Supplement. Ho, C. W., J. L. Horwitz, H. D. Scarbro, G. R. Wilson, and T. E. Moore, Centrifugal acceleration of the polar wind, EOS Trans. Vol. 74, No. 43, 1993/Supplement. Horwitz, J. L., G. R. Wilson, D. G. Brown, C. W. Ho, and J. Lin, Generalized semikinetic (GSK) transport modeling: Science highlights, EOS Trans., Vol. 74, No. 43, 1993/Supplement. Lee, J., J. L. Horwitz, J. Lin, D. G. Brown, and G. R. Wilson, Generalized semikinetic (GSK) simulation of the effects of preexisting hot plasma on plasmasphere refilling processes, EOS, Vol. 75, No. 16, 1994/Supplement. Horwitz, J. L., G. R. Wilson, D. G. Brown, C. W. Ho, and P. G. Richards, Generalized semikinetic (GSK) simulation of the response of the ionosphere-magnetosphere transition region to auroral electron precipitation, EOS Trans., Vol. 75, No. 16, 1994/Supplement. Brown, D. G., P. G. Richards, G. R. Wilson, J. L. Horwitz, and C. Ho, Effects of precipitating auroral electrons on ionospheric plasma transport: A dynamic semikinetic model. In program for the Huntsville workshop: Coupling of micro- and mesoscale processes in space plasma transport, Guntersville, AL, 1994. Ho, C. W., J. L. Horwitz, G. Wilson, and D. G. Brown, Field-aligned transport of ionospheric O+ ions from 200 km to 1 RE due to ExB convection heating and centrifugal acceleration: A generalized semikinetic (GSK) treatment. In program for the Huntsville workshop: Coupling of micro- and mesoscale processes in space plasma transport. Guntersville, AL, 1994. Reyes, T., and J. L. Horwitz, The acceleration of ionospheric ions through three-dimensional auroral electric field structures. In program for the Huntsville workshop: Coupling of micro- and mesoscale processes in space plasma transport. Guntersville, AL, 1994. Frey, M., C. Rasmussen, R. Anderson, D. Carpenter, J. L. Horwitz, N. Maynard, M. Smiddy, R. Spiro, J. Wygant, and R. Zwikl, A study of the evolution of plasmaspheric structures during a magnetic storm.  In program for the Huntsville workshop: Coupling of micro-and mesoscale processes in space plasma transport, Guntersville, AL, 1994. Lee, J., J. L. Horwitz, G. Wilson, J. Lin, and D. G. Brown, On the interaction of cold ionospheric plasma inflows with the pre-existing equatorial warm plasmas on inner magnetospheric flux tubes: Warm plasma thermalization and effects of varying ionospheric inflow speeds. In program for the Huntsville workshop: Coupling of micro-and mesoscale processes in space plasma transport, Guntersville, AL, 1994. Fraser, B. J., J. L. Horwitz, and J. A. Slavin, Heavy ion mass loading of geomagnetic field lines near the plasmapause: ULF wave implications, EOS Trans., Vol. 75, No. 44, 1994/Supplement. Wilson, G. R., D. G. Brown, P. G. Richards, and J. L. Horwitz, Effects of auroral electron precipitation on ionospheric ion outflow: A dynamic semikinetic model, EOS Trans., Vol. 75, No. 44, 1994/Supplement. Ho, C. W., J. L. Horwitz, and G. R. Wilson, Effects on high-latitude ionospheric ion upflows due to ExB frictional heating and centrifugal acceleration, EOS Trans., Vol. 75, No. 44, 1994/Supplement. Lee, J., J. L. Horwitz, G. R. Wilson, J. Lin, and D. G. Brown, GSK Simulation of warm ion thermalization on inner magnetospheric flux tubes. In program for the Cambridge Symposium/Work-shop, Bermuda, 1995.   Ober, Daniel, J. L. Horwitz, and D. L. Gallagher, Convection effects on global plasmasphere evolution. In program for the Cambridge Symposium, Bermuda, 1995. Su, Y. -J., L. H. Lyu, and J. L. Horwitz, The evolution of nonlinear compressed Alfven wavetrains.    In program for the Cambridge Symposium, Bermuda, 1995. Horwitz, J. L., Multiscale processes in ionospheric outflows. In program for the Cambridge Symposium, Bermuda, February of 1995. Horwitz, J. L., C. Liu, and P. G. Richards, Effects of convection ion heating and soft electron precipitation on high-latitude F-region upflows, Trans. Am Geophys.Un., Vol. 75, 265, 1995a. Liu, C., and J. L. Horwitz, Formation of low-energy trapped and field-aligned ion populations during substorm dipolarization events, Trans. Am. Geophys. Un., Vol. 75, 262, 1995b. Horwitz, J. L., C. Liu, and P. G. Richards, Effects of frictional ion heating and soft-electron precipitation on high-latitude F-region upflows, EOS Trans., Vol. 75, No. 45, 1995/Supplement. Ober, D., J. L. Horwitz, and D. L. Gallagher, Effects of sub auroral ion drifts (SAIDs) on global plasmasphere evolution, Trans. Am. Geophys. Un., Vol. 75, 243, 1995a. Ober, D. M., J. L. Horwitz, and D. L. Gallagher, Convection effects on global plasmasphere evolution during a SAID event, EOS Trans., Vol. 75, No. 45, 1995/Supplement. Liu, C., and J. L. Horwitz, Formation of low-energy trapped and field-aligned ion distributions in substorm dipolarization events, EOS Trans., Vol. 75, No. 45, 1995/Supplement. Su, Y. -J., J. L. Horwitz, C. W. Ho, P. G. Richards, and G. R. Wilson, A coupled fluid-semikinetic treatment for ionospheric plasma outflow: first results, EOS Trans., Vol. 76, No.46, 1995/Supplement. Horwitz, J. L., G. Khazanov, P. G. Richards, and G. R. Wilson, Effects on ion outflows of ionization and heating caused by precipitating soft auroral electrons, EOS Trans., Vol. 76, No. 46, 1995/Supplement. Horwitz J. L., and C. Liu, Simulation of depolarization-driven ionospheric outflows, EOS Trans., Vol. 76, No. 46, 1995/Supplement. Caton, R., J. L. Horwitz, C. Liu, and P. G. Richards, Modeling F-region ion upflows observed by EISCAT, EOS Trans., Vol. 76, No. 46, 1995/Supplement. Wilson, G. R, and J. L. Horwitz, A primer for generalized semikinetic (GSK) modeling, EOS Trans., Vol. 76, No. 46, 1995/Supplement. Ho, C. W., J. L. Horwitz, and G. R. Wilson, Dynamic field-aligned transport of H+ and O+ ions in the collisional/collisionless ionospheric transition region over the polar cap, EOS Trans., Vol. 76, No. 46, 1995/Supplement. Ober, D. M., J. L. Horwitz and D. L. Gallagher, Formation of density structures from the outer plasmasphere by storm-enhanced convection and sub-auroral ion drifts, EOS Trans., Vol. 76, No. 46, 1995/Supplement. Lee, J., J. L. Horwitz, and G. R. Wilson, GSK simulation of warm ion thermalization by coulomb collisions with cool plasmas on outer plasmaspheric flux tubes, EOS Trans. Vol. 76, No. 46, 1995/Supplement. Caton, R., J. L. Horwitz, C. Liu, and P. G. Richards, Modeling F-region ion upflows observed by EISCAT, EOS Trans., Vol. 76, No. 46, 1995/Supplement. Lee, J., J. L. Horwitz, and G. R. Wilson, GSK simulation of warm ion thermalization by coulomb collisions with cool plasmas on outer plasmaspheric flux tubes, EOS Trans., Vol. 76, No. 46, 1995/Supplement. Caton, R., J. L. Horwitz, B. J., Fraser J. L. Horwitz, and J. A. Slavin, The evolution of plasmapause refilling and heavy ion mass loading: DE-1 observations. In program for the International Union of Geodesy and Geophysics XXI General Assembly, 1995. Horwitz, J. L., G. R. Wilson, D. G. Brown, Y. -J. Su, P. G. Richards, and G. V. Khazanov, Kinetic features of high latitude plasma outflows, EOS Trans., Vol. 77, No. 17, April 23, 1996/Supplement. Su, Y. -J., J. L. Horwitz, G. R. Wilson, D. G. Brown, and G. Khazanov, The effect of photoelectrons on plasma outflow at high latitude, EOS Trans., Vol. 77, No. 17, April 23, 1996/Supplement. Seo, Y. H., N. Sandridge, R. G. Caton, and J. L. Horwitz, Statistical relationships between high-latitude ionospheric F-region upflows and their drivers: DE-2, EOS Trans., Vol. 77, No. 17, April 23, 1996/Supplement. Krivorutsky, E. N., J. L. Horwitz, G. V. Khazanov, T. E. Moore, and M. W. Liemohn, Lower hybrid oscillations in multicomponent space plasmas subjected to low-frequency waves, EOS Trans., Vol. 77, No. 17, April 23, 1996/Supplement. Ober, D. M., J. L. Horwitz, and D. L. Gallagher, Dusk-evening plasmasphere density troughs observed in association with subauroral ion drifts (SAID), EOS Trans., Vol. 77, No. 17, April 23, 1996/Supplement. Krivorutsky, E. N., J. L. Horwitz, G. V. Khazanov, T. E. Moore, and M. W. Liemohn, Lower hybrid oscillations in multicomponent space plasmas subjected to low-frequency waves, EOS Trans., Vol. 77, No. 17, April 23, 1996/Supplement. Horwitz, J. L., The dynamics of core plasmas in the inner magnetosphere: What we (think) we know and what we might learn in the next five years (Tutorial). In program for the Geospace Environment ModelingWorkshop, Sowmass, CO, 1996. Su, Y. -J., and J. L. Horwitz, Plasmasphere refilling questions. In program for the Geospace Environment ModelingWorkshop, Snowmass, CO, 1996. Su, Y. -J., and J. L. Horwitz, High and low altitude observations of the POLAR cusp by the TIDE/PSI. In program for the Geospace Environment ModelingWorkshop, Snowmass, CO, 1996. Brown, D. G., and J. L. Horwitz, Computer simulation of multiple scale processes in space plasmas: 1993-95. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, 1996. Brown, D. G., J. L. Horwitz, G. V. Khazanov, P. G. Richards, and G. R. Wilson, Effects on outflows of ionospheric plasma upflows/abrupt ionization and heating caused by precipitation of soft auroral electrons. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, 1996. Caton, R. G., J. L. Horwitz, C. Liu, and P. G. Richards, Modeling F-region ion upflows observed by EISCAT. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, 1996. Ober D. M., and J. L. Horwitz, Global plasmasphere evolution subjected to enhanced large-scale convection and sub-auroral ion drift (SAID) events. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, 1996. Wilson, G. R. and J. L. Horwitz, A primer for generalized semikinetic (GSK) modeling. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, August 1996. Horwitz, J. L., and C. Liu, Simulation of dipolarization-driven ionospheric outflows. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, 1996. Su, Y. -J., J. L. Horwitz, C. W. Ho, P. G. Richards, and G. R. Wilson, A coupled fluid-semikinetic treatment for ionospheric plasma outflow: first results. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, 1996. Ho, C. W., J. L. Horwitz, and G. R. Wilson, Dynamic field-aligned transport of H+ and O+ ions in the high-latitude collisional/collisionless ionospheric transition region. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, 1996. Lee, J., J. L. Horwitz, and G. R. Wilson, GSK simulation of warm ion thermalization by coulomb collisions with cool plasmas on outer plasmaspheric flux tubes. In program for the XXV General Assembly of the International Union of Radio Science, Lille, France, 1996. Estep, G. M., Y. -J. Su, J. L. Horwitz, P. G. Richards, G. R. Wilson, and D. G. Brown, Toward a time-dependent coupled fluid-semikinetic model for ionosphere-magnetosphere plasma transport: Initial results. In program for the Huntsville ISTP Workshop, Guntersville, AL, 1996. Seo, Y. -H., J. L. Horwitz, and R. G. Caton, Statistical properties of high-latitude ionospheric F-region upflows: DE-2 observations. In program for the Huntsville ISTP Workshop, Guntersville, AL, 1996. Ober, D. M., J. L. Horwitz, and D. L. Gallagher, Convection of core plasma into the outer magnetosphere/boundary layer region: Initial results. In program for the Huntsville ISTP Workshop, Guntersville, AL, 1996. Moore, T. E., M. O. Chandler, P. D. Craven, B. L. Giles, M. Hirahara, J. L. Horwitz, and C. J. Pollock, Plasma transport in the magnetospheric cleft. In program for the Huntsville ISTP Workshop, Guntersville, AL, 1996. Hirahara, M., J. L. Horwitz, G. A. Germany, T. E. Moore, J. M. Spann, M. O. Chandler, and B. L. Giles, Properties of up-flowing ionospheric ion conics and magnetosheath observations from the TIDE and UVI instruments on POLAR. In program for the Huntsville ISTP Workshop, Guntersville, AL, 1996. Horwitz, J. L., Contemporary issues in ionspheric outflows. In program for the International Space Science Institute Meeting, Bern, Switzerland, 1996. Nagai, T., Y. Saito, T. Yamamoto, T., Mukai, A. Nishida, S. Kokubun, M., Hirahara, G. Germany,    J. L. Horwitz, J. Spann, and M. Brittnacher, GEOTAIL-POLAR simultaneous observations of substorm onsets, EOS Trans., Vol. 77, No. 46, November 12, 1996/Supplement. Seo, Y. -H. and J. L. Horwitz, Relationship of auroral F-region and topside ionization structure to soft auroral electron precipitation, EOS Trans., Vol. 77, No. 46, November 12, 1996/Supplement. Ober, D. M., J. L. Horwitz, and D. L. Gallagher, Convection of core plasma into the outer magnetosphere/boundary layer region: Initial results, EOS Trans., Vol. 77, No. 46, November 12, 1996/Supplement. Estep, G. M., Y. -J Su, J. L. Horwitz, P. G. Richards, G. R. Wilson, and D. G. Brown, A time-dependent coupled fluid-semikinetic model for ionosphere magnetosphere plasma transport: Initial results, EOS Trans., Vol. 77, No. 46, November 12, 1996/Supplement. Horwitz, J. L., G. Kunin, M. Hirahara, G. A. Germany, D. G. Brown, J. A. Spann, T. Nagai, and R. Lepping, Auroral and magnetospheric activity during intervals of steady southward interplanetary magnetic field from ISTP POLAR and WIND observations, EOS Trans., Vol. 77, No. 46, November 12, 1996/Supplement. Horwitz, J. L., Contemporary issues in ionspheric outflows. In program for the International Space Science Institute Meeting, Bern, Switzerland, 1997. Horwitz, J. L., G. R. Wilson, D. G. Brown, Y. -J. Su, P. G. Richards, and G. V. Khazanov, Kinetic features of high-latitude plasma kinetic features of high-latitude plasma outflows, EOS Trans., Vol. 78, No. 17, April 29, 1997/Supplement. Su, Y. -J., J. L. Horwitz, M. Hirahara, T. E. Moore, M. O. Chandler, B. L. Giles, P. D. Craven, C. J. Pollock, and J. Scudder, Survey of the polar wind from 5000 km to 8 RE altitude with POLAR, EOS Trans., Vol. 78, No. 17, April 29, 1997/Supplement. Seo, Y. H. and J. L. Horwitz, High-latitude F-region and topside ionization structure observed by DE-2, EOS Trans., Vol. 78, No. 17 April 29, 1997/Supplement. Ober, D. M. and J. L. Horwitz, Modeling the circulation of the outer plasmasphere into the outer magnetosphere/boundary layer region, EOS Trans., Vol. 78, No.17, April 29, 1997/Supplement. Horwitz, J. L., Flow of ionospheric core plasmas in top the magnetosphere: Recent simulation and observations from the thermal ion dynamics experiment/plasma source instrument on-board the POLAR spacecraft. In program for the International Symposium: Solar-Terrestrial Coupling Processes, Paros, Greece, 1997. Su, Y. -J., J. L. Horwitz, T. E. Moore, M. O. Chandler, P. D. Craven, B. L. Giles, and C. J. Pollock, Polar wind survey with TIDE/PSI suite aboard POLAR, EOS Trans., Vol. 78, No. 46, November 18, 1997/Supplement. Adrian, M. L., Y. - J. Su, J. L. Horwitz, P. G. Richards, C. J. Pollock, T. E. Moore, P. M. Kintner, J. Bonnell, D. A. Lorentzen, C. S. Deehr, I. Minow, R. W. Smith, H. C. Stenbaek-Nielsen, F. Sigernes, J. Moen, M. Oieroset, B. Lybekk, and J. Holte, SCIFER/TECHS observations of an electron density structural equatorward of the high-altitude prenoon ionospheric cleft, EOS Trans., Vol. 78, No. 46, November 18, 1997/Supplement. Su, Y. -J., J. L. Horwitz, T. E. Moore, B. L. Giles, M. O. Chandler, C. R. Chappell, and P. D. Craven, Polar wind in the context of the auroral plasma fountain from 2 to 8 RE , EOS Trans., Vol. 78, No. 46, November 18, 1997/Supplement. Horwitz, J. L. and D. L. Gallagher, Convection of core plasma into the outer magnetosphere/boundary layer region: initial results, EOS Trans., Vol. 78, No. 46, November 18, 1997/Supplement. Estep, G. M., Y. -J Su, J. L. Horwitz, P. G. Richards, G. R. Wilson, and D. G. Brown, A time-dependent coupled fluid-semikinetic model for ionosphere magnetosphere plasma transport: Initial Results. EOS Trans., Vol. 78, No. 46, November 18, 1997/Supplement. Horwitz, J. L., G. Kunin, M. Hirahara, G. A. Germany, D. G. Brown, J. A. Spann, T. Nagai, and R. Lepping, Auroral and magnetospheric activity during intervals of steady southward interplanetary magnetic field from ISTP POLAR and WIND observations, EOS Trans., Vol. 78, No. 46, November 18, 1997/Supplement. Moore, T. E., C. J. Pollock, B. L. Giles, M. O. Chandler, C. R. Chappell, P. D. Craven, Y. -J. Su, R. H. Comfort, H. A. Elliott, J. L. Horwitz, and D. C. Delcourt, POLAR/ TIDE results on polar ion outflow". In program for the ISTP and GEM Workshop, Toward Solar Max 2000: The present achievements and future opportunities of ISTP and GEM, Yosemite National Park, 1998. Pollock, C. J., T. E. Moore, B. L. Giles, M. O. Chandler, C. R. Chandler, C. R. Chappell, P. D. Craven, Y. -J. Su, R. H. Comfort, H. A. Elliott, J. L. Horwitz, N. Singh, and D. Thompson, TIDE and PSI on Polar: detailed polar ion outflow observations and the nature of the spacecraft sheath. In program for the ISTP and GEM Workshop, Toward Solar Max 2000: The present achievements and future opportunities of ISTP and GEM, Yosemite National Park, 1998. Su, Y. -J., J. L. Horwitz, X. Y. Wu, T. E. Moore, M. O. Chandler, P. D. Craven, B. L. Giles, S. -W. Chang, and J. D. Scudder, POLAR wind and low-energy electron variations at POLAR apogee, EOS Trans., Vol. 79, No. 17, April 28, 1998/Supplement. Horwitz, J. L., Y. –J. Su, T. E. Moore, B. Giles, M. O. Chandler, P. D. Craven, S. W. Chang, J. D. Scudder, Low energy electron effects of the POLAR wind by the spacecraft, EOS Trans., Vol. 79, No. 17, April 28, 1998/Supplement. Seo, Y. H., J. L. Horwitz, and X. -Y. Wu, Statistical survey of f-region and topside ion upflows at high latitudes, EOS Trans., Vol. 79, No. 17, April 28, 1998/Supplement. Estep, G. M., Y. -J. Su, J. L. Horwitz, P. G. Richards, G. R. Wilson, and D. G. Brown, A dynamic coupled fluid-semikinetic model for ionosphere-magnetosphere plasma transport: effects of ionization by soft electron precipitation, EOS Trans., Vol. 79, No. 17, April 28, 1998/Supplement. Wu, X. -Y., and J. L. Horwitz, Dynamic coupled fluid semi-kinetic modeling of plasma outflow, EOS Trans., Vol. 79, No. 17, April 28, 1998/Supplement. Caton, R. G., Y. -J. Su, J. L. Horwitz, and P. G. Richards, Systematic modeling of soft-electron precipitation effects on high-latitude f- region, EOS Trans., Vol. 79, No. 17, April 28, 1998/Supplement. Horwitz, J. L., Y. -J. Su, T. E. Moore, B. L. Giles, P. D. Craven, M. O. Chandler, M. Hirahara, and C. J. Pollock, Survey of the polar wind near 1 and 8 RE with POLAR. In program for the Cambridge Symposium: Multiscale Plasmas, Cascais, Portugal, 1998. Horwitz, J. L., and Y. - J. Su, Modeling ionospheric outflows, EOS Trans., Vol. 79, No. 24, June 16, 1998/Supplement. Hirahara, P. M., J. L., Horwitz, T. E. Moore, M. O. Chandler, B. L. Giles, P. D. Craven, and C. L. Pollock, POLAR observations of properties of H + and O + conics in the cusp near ~ 5300 km altitude, EOS Trans., Vol. 79, No. 24, June 16, 1998/Supplement. Su, Y. -J., J. L. Horwitz, T. E. Moore, B. L. Giles, M. O. Chandler, P. D. Craven, S. -W. Chang, and J. D. Scudder, POLAR wind and low-energy electron variations on POLAR, EOS Trans., Vol. 79, No. 24, June 16, 1998/Supplement. Horwitz, J. L., Y. -J. Su, E. Dors, T. E. Moore, B. L. Giles, M. O. Chandler, P. D. Craven, S. -W. Chang, and J. D. Scudder, Polar wind measurements with TIDE/PSI and HYDRA on the POLAR spacecraft, EOS Trans., Vol. 79, No. 24, June 16, 1998/Supplement. Stevenson, B. A., J. L. Horwitz, Y. -J. Su, H. A. Elliott, R. H. Comfort, P. D. Craven, M. O. Chandler, T. E. Moore, B. L. Giles, and C. J. Pollock, POLAR/TIDE perigee observations of thermal O+ characteristics in the polar cap region. In program for the Huntsville Workshop: The New Millennium Magnetosphere: Integrating Imaging, Discrete Observations and Global Simulations, Guntersville, AL, 1998. Stevenson, B. A., J. L. Horwitz, Y. -J. Su, H. A. Elliott, R. H. Comfort, P. D. Craven, M. O. Chandler, T. E. Moore, B. L. Giles, and C. J. Pollack, POLAR/TIDE survey of thermal O+ characteristics near 5000 km altitude over the POLAR cap, EOS Trans., Vol. 79, No. 45, November 10, 1998/Supplement. Moore, T. E., and J. L. Horwitz, Thirty years of ionospheric outflow I: Causes, EOS Trans., Vol. 79, No. 45, November 10, 1998/Supplement. Moore, T. E., and J. L. Horwitz, Thirty years of ionospheric outflow II: Consequences, EOS Trans., Vol. 79, No. 45, November 10, 1998/Supplement. Borovsky, J. E., R. A. Greenwald, T. J. Hallinan, J. L. Horwitz, M. C. Kelley, D. M. Klumpar, R. L. Lysak, B. H. Mauk, T. E. Moore, G. D. Reeves, H. J. Singer, and M. Thomsen, The magnetosphere-ionosphere facility: A satellite cluster in geosynchronous orbit magnetically connected to ground-based observatories, EOS Trans., Vol. 79, No. 45, November 10, 1998/Supplement. Watanabe, S., M. Hirahara, T. Abe, E. Sagawa, C. Buchert, J. L. Horwitz, T. E. Moore, J. S. Pickett, A. Persoon, D. A. Gurnett, A. W. Yau, Y. Kasahara, T. Mukai, R. Fujii, S. C. Buchert, T. E. Moore, J. S. Pickett, A. M., Persoon, and D. A. Gurnett, Coordinated observations of thermal ion heating and outflow in and above the topside polar/Ionosphere, EOS Trans., Vol. 79, No. 45, November 10, 1998/Supplement. Wu, X.-Y., J. L. Horwitz, and Y. H. Seo, Statistical analysis of F-region and topside ionospheric ion field-aligned flows at high latitudes, EOS Trans., Vol. 79, No. 45, November 10, 1998/Supplement. Estep, G., X. -Y. Wu, J. L. Horwitz, Y. -J. Su, D. G. Brown, P. G. Richards, G. R. Wilson, Dynamic fluid kinetic (DyFK) modeling of auroral plasma outflow driven by soft electron precipitation and transverse ion heating, EOS Trans., Vol. 79, No. 45, November 10, 1998/Supplement. Horwitz, J. L., Y. –J. Su, E.E. Dors, T. E. Moore, B. L. Giles, M. O. Chandler, P. D. Craven, S. -W. Chang, Low-energy electron effects of the polar wind by the POLAR spacecraft, EOS Trans., Vol 79, No. 45, November 10, 1998/Supplement. Wu, X. -Y., J. L. Horwitz, Morphology of ionospheric ion field-aligned flows at high latitudes as observed with DE-2, EOS Trans., Vol. 80, No. 17, April 27, 1999/Supplement. Stevenson, B. A., J. L. Horwitz, G. Germany, P. D. Craven, M. O. Chandler, T. E. Moore, B. L. Giles, G. K. Parks, C. J. Pollock, Y. -J. Su, POLAR/TIDE observations of field aligned O+ flows at 5000 km altitude over the auroral regions in comparison to UVI auroral images, EOS Trans., Vol. 80, No.17, April 27, 1999/Supplement. Stevenson, B. A., J. L. Horwitz, G. Germany, P. D. Craven, M. O. Chandler, T. E. Moore, B. L. Giles, G. K. Parks, C. J. Pollock, Y. -J. Su, POLAR/TIDE observations of field aligned O+ flows at 5000 km altitude over the auroral regions in comparison to UVI auroral images. In program for the CEDAR Workshop, Boulder, CO, and the GEM workshop, Snowmass, CO. 1999. Horwitz, J. L., G. Park, P. M. Banks, and N. Singh, Fluid and kinetic modeling of plasmasphere refilling processes. In program for the URSI Workshop, Toronto, Canada, 1999. Horwitz, J. L., X. –Y. Wu, B. A. Stevenson, and T. E. Moore, High-latitude ionospheric field-aligned flows. In program for the Transport in the Magnetosphere Workshop, Yellowstone National Park, 1999. Wu, X. -Y., J. L. Horwitz, Dynamic Fluid-Kinetic (DyFK) Modeling of auroral ion outflow: the pressure cooker and other effects of parallel electric fields, soft electron precipitation and transverse ion heating, EOS Trans. Vol. 81, No. 19, May 9, 2000/Supplement. Stevenson, B. A., J. L. Horwitz, G. A. Germany, P. D. Craven, T. E. Moore, B. L. Giles, G. K. Parks, and Y. -J. Su, Relation of field aligned O+ flows at 5000 km altitude to auroral structure and brightness, EOS Trans., Vol. 81, No. 19, May 9, 2000/Supplement. Wu, X. -Y., and J. L. Horwitz, Dynamic fluid-kinetic (DyFK) modeling of auroral ion outflow: the pressure cooker and other effects of parallel electric fields, soft electron precipitation and transverse ion heating, EOS Trans., Vol. 81, No. 19, May 9, 2000/Supplement. Zeng, W., J. L. Horwitz, B. A. Stevenson, X. Y. Wu, Y. -J. Su, P. D. Craven, F. J. Rich, and T. E. Moore, Near-simultaneous POLAR and DMSP measurements of topside ionospheric up and down flows at high latitudes, EOS Trans., Vol. 81, No. 19, May 9, 2000/Supplement. Horwitz, J. L., W. Zeng, B. A. Stevenson, X. –Y. Wu, and G. A. Germany, Investigating the role of the Earth's ionosphere in space weather: Modeling and observations of high-latitude ionospheric outflows. In program for the NATO, Advanced Study Institute on Space Storms and Space Weather Hazards, Crete, Greece, 2000. Horwitz, J. L., W. Zeng, B. A. Stevenson, X. -Wu, G. A. Germany, P. D. Craven, F. J. Rich, and T. E. Moore, Multiple satellite observations of high-latitude ionospheric outflows. In program for the S-RAMP Conference, Sapporo, Japan, 2000. Zeng, W., J. L. Horwitz, B. A. Stevenson, G. A. Germany, P. D. Craven, F. Rich, T. E. Moore, Topside ionosphere parameters observed by POLAR and DMSP at high latitudes, EOS Trans., Vol. 82, No. 19, November 9, 2000/Supplement. Tu, J. -N., X. -Y. Wu, J. L. Horwitz, B. A. Stevenson, and V. C. Coffey, DyFK simulation of field-aligned ion flows observed by POLAR within convecting flux tubes over the polar ionosphere, EOS Trans., Vol. 82, November 9, 2000/Supplement. Tu, J. -N., J. L. Horwitz, X. -Y. Wu, B. A. Stevenson, T. E. Moore, and V. C. Coffey, Polar ionospheric outflow simulations and observations, EOS Trans., Vol. 82, No. 20, May 9, 2001/Supplement. Zeng, W., J. L. Horwitz, X. -Y. Wu, P. D. Craven, F. J. Rich, and T. E. Moore, Relationship of vertical ion flows and topside electron temperature, EOS Trans., Vol. 82, No. 20, May 9, 2001/Supplement. Horwitz, J. L., Fluid transport simulation on plasmaspheric density profiles observed by IMAGE RPI, EOS Trans., Vol. 82, No. 47, November 20, 2001/Supplement. Tu, J. -N., J. L. Horwitz, V. K. Henize, S. F. Fung, and B. W. Reinisch, Dynamic fluid-kinetic simulations on high plasma densities at polar latitudes observed by IMAGE RPI during magnetic storms, EOS Trans., Vol. 82, No. 47, November 20, 2001/Supplement. J. L. Horwitz, and P. Song, The Physics of the Plasmasphere and its coupling to the ionosphere and ring current III, EOS Trans., Vol. 83, No. 19, May 7, 2002/Supplement. Tu, J. -N., J. L. Horwitz, P. Song, X. Huang, B. W. Reinisch, and P. G. Richards, Simulating plasmasphere field-aligned density profiles measured with IMAGE/RPI: Effects of ion heating and refilling, EOS Trans., Vol. 83, No. 19, May 7, 2002/Supplement. Horwitz, J. L., J. -N. Tu, P. Song, X. Huang, B. W. Reinisch, and P. G. Richards, Simulation of plasmaspheric density distributions along plasmaspheric field lines as measured by IMAGE/RPI EOS Trans., Vol. 83, No. 22, May 28, 2002/Supplement. Tu, J. -N., J. L. Horwitz, V. Henize, S. Fung, and B. W. Reinisch, Dynamic Fluid-Kinetic (DyFK) simulation of density distributions along high-latitude magnetospheric field lines as measured by IMAGE/RPI, EOS Trans., Vol. 83, No. 22, May 28, 2002/Supplement. Huang, X., B. W. Reinisch, P. Song, G. S. Sales, P. Nsumei, J. J. Green, P. F. Benson, S. Fung, D. L. Gallagher, J. -N. Tu, and J. L. Horwitz, Emperical models of the plasma density in the plasmasphere and polar cap. In program for the XXVIIth URSI General Assembly, Maastricht, Netherlands, 2002. Reinisch, B., X. Huang, P. Song, G. Sales, I. A. Galkin, R. Benson, S. Fung, J. Green, RPI observations of the magnetostorm effects on the plasmaspheric density distribution. In program for the XXVIIth URSI General Assembly, Maastricht, Netherlands, 2002. Tu, J. -N., J. L. Horwitz, and T. E. Moore, Modeling of high latitude field-aligned ion flows within convecting flux tubes associated with polar perigee passes. In program for the Huntsville Workshop: Astrophysical Particle Acceleration in Geospace and Beyond, Chattanooga, TN, 2002. Zeng, W., J. L. Horwitz, P. D. Craven, F. J. Rich, and T. E. Moore, The O+ density trough at 5000 km altitude over the southern polar cap region of the magnetosphere/ionosphere observed by POLAR/TIDE. In program for the Huntsville Workshop: Astrophysical Particle Acceleration in Geospace and Beyond, Chattanooga, TN, 2002. Zeng, W., J. L. Horwitz, P. D. Craven, F. J. Rich, and T. E. Moore, The O+ density trough at 5000 km altitude in the polar cap. In program for the American Geophysical Union Fall Meeting, December 8-12, 2003, Vol. 84, No. 46, November 18, 2003/Supplement. Tu, J. -N., J. L. Horwitz, P. A. Nsumei, P. Song, X. -Q. Huang, B. W. Reinisch, W. Zeng, Modeling polar cap field-aligned electron density profiles measured with IMAGE Radio Plasma Imager. In program for the American Geophysical Union Fall Meeting, Vol. 84, No. 46, November 18, 2003/Supplement. Zeng, W., J. L. Horwitz, P. D. Craven, F. J. Rich, and T. E. Moore, Satellite observations of the polar cap trough at 5000 km altitude. In preparation for the 2004 Joint Assembly, Montreal, Canada, May 15-22, 2004. Tu, J., J. L. Horwitz, P. Nsumei, P. Song, X. Q. Huang, and B. W. Reinisch, Simulations of polar cap field-aligned electron density profiles measured with IMAGE Radio Plasma Imager. In preparation for the 1004 Joint Assembly, Montreal, Canada, May 15-22, 2004. Zeng, W., J. L. Horwitz, and J.-N. Tu,  Characteristic Ion Distributions in the Dynamic Auroral Transition Region,  EOS Transactions abstract book, presented at Spring 2005 AGU meeting, New Orleans, Louisiana,  May 2005.  Horwitz, J. L., Origin of O+ in the Polar Cap Magnetosphere,  invited presentation, 2006 CEDAR-GEM meeting, Santa Fe, New Mexico, June 2005. Horwitz, J. L., Multiscale Coupling Processes in Ionospheric Plasma Transport, invited presentation to Conference on Earth-Sun System Exploration: Energy Transfer, Kona, Hawaii, January, 2006. Horwitz, J. L., and Y.-J. Su, Plasmaspheric Density Profiles and Loss at the Magnetopause, invited presentation, 2006 CEDAR-GEM meeting, Santa Fe, New Mexico, June 2005. Horwitz, J. L., W. Zeng, and J.-N. Tu,  Characteristic Ion Distribution Functions in the Dynamic Auroral Ionosphere-Magnetosphere Transition Region, invited presentation, 2006 CEDAR-GEM meeting, Santa Fe, New Mexico, June 2005. Horwitz, J. L., Multiscale coupling processes in ionospheric plasma transport, invited presentation to Conference on Earth-Sun System Exploration: Energy Transfer, Kona, Hawaii, January 2006. Horwitz, J. L., W. Zeng, H. A. Elliott, and T. E. Moore, DyFK simulation of the geomagnetic spectrometer observed by POLAR/TIDE, presented to American Geophysical Union meeting,Baltimore, MD, May 2006. Moore, T. E., J. L. Horwitz, R. J. Strangeway, and Y. Zheng, Auroral ionosphere as a source of magnetospheric plasma, COSPAR, 36th COSPAR Scientific Assembly, Beijing, China, July 16-23, 2006. Jaafari, F. J. L. Horwitz, and W. Zeng, Simulation of the formation of O+ troughs in the polar cap magnetosphere using the UT Arlington DyFK model, p. 25 of program for Fall 2006 Joint meeting of Texas Section of American Physical Society, October 5-7, 2006. Zeng, W., J. L. Horwitz, T. E. Moore, and H. E. Elliott, The geomagnetic spectrometer observed by POLAR/TIDE and simulated by the UT Arlington DyFK transport model, p. 26 of program for Fall 2006 Joint meeting of Texas Section of American Physical Society, October 5-7, 2006. Horwitz, J. L., W. Zeng, DyFK-simulation-based formulaic representation of the effects of wavedriven ion heating and electron precipitation on ionospheric outflow, p. 7 of program for Fall 2006 Joint meeting of Texas Section of American Physical Society, October 5-7, 2006. Horwitz, J. L., W. Zeng, DyFK-simulation-based formulaic representation of the effects of wavedriven ion heating and electron precipitation on ionospheric outflows, p. 7 of program for Fall 2006 Joint meeting of Texas Section of American Physical Society, October 5-7, 2006. Horwitz, J. L., Space Physics and Astrophysics at UT Arlington, abstract for invited talk presented to Astronomy League Conference (ALCON) Expo, University of Texas at Arlington, Arlington, TX, August 4-5, 2006. Horwitz, J. L., Simulations of high-latitude ionospheric plasma transport into the magnetosphere using the UT Arlington Dynamic Fluid-Kinetic (DyFK) model", abstract for invited presentation to Department of Physics, University of Houston, September 26, 2006. J. L. Horwitz, Dynamic Fluid Kinetic simulations of high-latitude ionospheric outflow, abstract for invited colloquium to Department of Space Physics and Astronomy, Rice University, November 20, 2006. Elliott, H. A., J. Jahn, C. J. Pollock, T. E. Moore, O+ transport across the polar cap, presentation and abstract for Fall American Geophysical Union meeting, San Francisco, California, December 11-15,2006. Jaafari, F., J. L. Horwitz, and W. Zeng, DyFK Simulation of the O+ density trough at 5000 km altitude in the polar cap, presentation and abstract for Fall American Geophysical Union meeting, San Francisco, California, December 11-15, 2006. Horwitz, J. L., and W. Zeng, DyFK-simulation-based formulaic representation of the effects of wavedriven ion heating and electron precipitation on ionospheric outflows, presentation and abstract for Fall American Geophysical Union meeting, San Francisco, California, December 11-15, 2006. Non-local Invited Talks:     The latitudinal distribution of transverse electric fields related to E11, large scale auroral features and to ground and interplanetary magnetic field variations. Presented at the Chatanika Radar Advisory Group, Stanford, CA, February, 1977. Recent advances in low-energy plasmas in the earth's magnetosphere. Presented at the UAB Physics Colloquium, February, 1980. Low-energy plasma composition results from the ISEE-1 and SCATHA satellites. Presented at the Assembly of International Association of Geomagnetism and Aeronomy Workshop, Edinburgh, Scotland, August, 1981. Thermal plasmas in the earth's magnetosphere. Presented at the University of Mississippi, Physics Colloquium, March, 1982. Composition and dynamics of < 1 keV plasmas in the earth's magnetosphere. Presented at the American Geophysical Union Fall Meeting, San Francisco, December, 1982. Menu of DE-1 low-energy plasma phenomena for Finnish collaboration. Presented at the U.S. Finland Auroral Workshop, University of Maryland, October, 1983. Recent satellite measurements of low-energy plasmas in the magnetosphere and ionosphere. Presented at the National Ionosphere and Astronomy Center Workshop, July, 1984. The new thermal ion composition measurements of the plasmasphere and plasmasphere region: Important questions for modelers. Presented at the American Geophysical Union Spring Meeting, Baltimore, MD, June, 1985. Plasmasphere and plasmapause characteristics as measured by DE-1. Presented at the COSPAR Symposium: Physics of Thermal Plasma in the Magnetosphere, Toulouse, France, July, 1986. The kinetic approach in global plasma transport modeling: Advantages and difficulties. Presented at the Huntsville Workshop: Magnetosphere-Ionosphere Models, Guntersville, AL, October, 1986. Simulation and measurements of low-energy ionospheric plasmas in the magnetosphere. Presented at the International Symposium on Space Physics, Beijing, China, November, 1986. Core plasmas in the earth's magnetosphere. Presented at the University of Maryland, Space Science Seminar, 1986. Acceleration and transport of ionospheric ions in magnetosphere-ionosphere coupling processes. Presented at the International Symposium: Quantitative modeling of magnetosphere-ionosphere coupling processes, Tokyo, Japan, March, 1987. Plasmasphere-ionosphere coupling measurements in the vicinity of trough flux tubes. Presented at the International Association of Geomagnetism and Aeronomy General Assembly Symposium: Physical Processes in Flux Tubes at Trough Latitudes, Vancouver, August, 1987. Kinetic models for ionospheric ion transport into the magnetosphere. Presented at the Cambridge Workshop: Polar cap dynamics and high latitude ionospheric turbulence, Cambridge, June, 1988. Kinetic features of core plasmas in the magnetosphere: A new generation of observations and simulations. Presented at the COSPAR Symposium: International Solar-Terrestrial Physics, Hague, Netherlands, June, 1990. Plasma transport in the ionosphere-magnetosphere system using semi-kinetic models. Presented at the 18th Rarefied Gas Dynamics Symposium (RGD 18) held at the University of British Columbia, July, 1992. Plasma transport in plasmasphere refilling/closed field lines. Presented at the 1992 Cambridge Workshop: Theoretical Geoplasma Physics: Controversial issues and new frontier research in Geoplasmas. Massachusetts Institute of Technology, Boston, MA, August, 1992. Generalized semikinetic (GSK) models for space plasma transport. Presented at the American Geophysical Union Spring Meeting, Baltimore, MD, May, 1993. The ionosphere as a source for the low-latitude boundary layer. Presented at the Geospace Environment ModelingWorkshop, Snowmass, CO, July, 1993. Generalized semikinetic (GSR) transport modeling: science highlights. Presented at the American Geophysical Union Fall Meeting, San Francisco, CA, December, 1993. Multiscale processes in ionospheric outflows. Presented at the Cambridge Symposium, Bermuda, February, 1995. Formation of low-energy trapped and field-aligned ion distributions in substorm dipolarization events. Presented at the American Geophysical Union Spring Meeting, Baltimore, MD, May, 1995. Contemporary issues in ionospheric outflows. Presented at the International Space Science Institute Meeting, Bern Switzerland, March, 1996. Kinetic features of high-latitude plasma outflows. Presented at the American Geophysical Union Spring Meeting, Baltimore, MD, May, 1996. The dynamics of core plasmas in the inner magnetosphere: What we (think) we know and what we might learn in the next five years (tutorial.) Presented at the Geospace Environment Modeling Workshop, Snowmass, Colorado, June, 1996. High-and low-altitude observations of the polar cusp by the TIDE/PSI suite on Polar. Presented at the Geospace Environment ModelingWorkshop, Snowmass, CO, June, 1996. Computer simulation of multiple scale processes in space plasmas. Presented at the XXV General Assembly of the International Union of Radio Science, Lille, France, September, 1996. Plasmasphere refilling questions. Presented at the Geospace Environment ModelingWorkshop, Snowmass, CO, June, 1997. Flow of ionospheric core plasmas into the magnetosphere: Recent simulations and observations from the Thermal Ion Dynamics Experiment/Plasma Source instrument onboard the POLAR spacecraft. Presented at the International Symposium: Solar-Terrestrial Coupling Processes, Paros, Greece, June, 1997. Survey of the polar wind near 1 and 8 RE with POLAR. Presented at the Cambridge Symposium: Multiscale Plasmas Phenomenal workshop, Lisbon, Portugal, June, 1998. Modeling ionospheric outflows. Presented at the American Geophysical Union, Western Pacific Meeting, Taipei, Taiwan, July, 1998. POLAR/TIDE observations of field aligned 0+ flows at 5000 km altitude over the auroral regions in Comparison to UVI Auroral Images. Presented at the Geospace Environment ModelingWorkshop,  Snowmass, CO, June, 1999. Kinetic modeling of plasmasphere refilling processes. Presented at the General Assembly of the International Union of Radio Science Assembly, Toronto, Canada, August, 1999. Fluid and kinetic modeling of plasmasphere refilling processes. Presented at the Transport in the Magnetosphere Workshop, Yellowstone National Park, September, 1999. High latitude ionospheric field-aligned flows. Presented at the Transport in the Magnetosphere Workshop, Yellowstone National Park, September, 1999. Modeling and observations of high-latitude ionospheric outflows. Presented at the NATO Advanced Study Institute on Space Storms and Space Weather Hazards Workshop, Crete, Greece, June of 2000. Multiple satellite observations of high-latitude ionospheric outflows. Presented at the STEP Results, Applications, and Modeling Phase Conference, Sapporo, Japan, October of 2000. Recent studies of ionospheric outflow: Response to various influences. Presented at the Geospace Enviromental Modeling Workshop, Snowmass, CO, June of 2001. Observations and simulations of high-latitude ionospheric outflows. Presented to University of Texas at Arlington, Physics Department, March 11, 2004. Space plasma research at the University of Texas at Arlington. Presented to Texas Astronomical  Society, Richland College, January 28, 2005. Space plasma research at the University of Texas at Arlington. Presented to the Department of Physics,  University of North Texas, March 8, 2005. Space plasma research at the University of Texas at Arlington. Presented to the Department of Physics,  University of Texas at Dallas, March 23, 2005. Origin of O+ in the Polar Cap Magnetosphere,  invited presentation, 2006 CEDAR-GEM meeting, Santa Fe, New Mexico, June 2005. Plasmaspheric Density Profiles and Loss at the Magnetopause, invited presentation, 2006 CEDAR-GEM meeting, Santa Fe, New Mexico, June 2005. Characteristic Ion Distribution Functions in the Dynamic Auroral Ionosphere-Magnetosphere Transition Region, invited presentation, 2006 CEDAR-GEM meeting, Santa Fe, New Mexico, June 2005. Multiscale Coupling Processes in Ionospheric Plasma Transport, invited presentation to Conference on Earth-Sun System Exploration: Energy Transfer, Kona, Hawaii, January 2006. "Space Physics and Astrophysics at UT Arlington," invited talk presented to Astronomy League Conference (ALCON) Expo, University of Texas at Arlington, Arlington, TX, August 4-5, 2006. "Simulations of high-latitude ionospheric plasma transport into the magnetosphere using the UT Arlington Dynamic Fluid-Kinetic (DyFK) model", invited colloquium to Department of Physics, University of Houston, September 26, 2006. "Dynamic Fluid Kinetic simulations of high-latitude ionospheric outflow ", invited colloquium to Department of Space Physics and Astronomy, Rice University, November 20, 2006. "Ionospheric plasma supply to magnetosphere", invited talk presented to 8th International School for Space Simulations (ISSS-8), Kauai, Hawaii, February 25 - March 3, 2007. "Dynamic Fluid-Kinetic Simulations of High-Latitude Ionospheric Outflows and their Compact Parameterization for Use in Global Magnetospheric Modeling", invited talk presented to High-Altitude Observatory, Boulder, Colorado, April 4, 2007. "LWS TR&T T3b Project : Auroral Ionosphere-Magnetosphere Plasma Transport with Alfvén Kinetic Effects"; invited presentation at LWS TR&T T3b meeting, Boulder, Colorado, August 1-2, 2007. "Astrophysics and Space Physics at the University of Texas at Arlington", presented to Changwon International Symposium on Advanced Science and Technology (CISAS), Changwon National University, Changwon, South Korea, November, 2007. "Simulations of High-Latitude Ionospheric Plasma Transport into the Magnetosphere using the UT Arlington Dynamic Fluid-Kinetic (DyFK) Model", invited colloquium to Department of Physics, University of Texas at San Antonio, February 15, 2008. "Simulations of High-Latitude Ionospheric Plasma Transport into the Magnetosphere using the UT Arlington Dynamic Fluid-Kinetic (DyFK) Model", presented to joint CNU-UTA Symposium, Changwon National University, Changwon, South Korea, May, 2008. Conference Organizing:     Convener, Special American Geophysical Union Session: "Thermal plasma in the ionosphere and magnetosphere", Fall,1978. Convener, Huntsville, Chairman, Local Arrangements Committee, Alabama Academy and Junior Academy of Sciences Annual Meeting, and Chair, Special Session: "Fundamental magnetospheric processes in the plasmapause region", Huntsville, AL, March of 1985. Convener, COSAR Symposium: "Distribution of low-energy plasma in earth space: theory, experimental models", Helsinki, Finland; July, 1988. Co-Convener, Huntsville Workshop: "Plasmasphere Refilling", Huntsville, AL; October, 1990. Co-Convener, Huntsville workshop: "Magnetospheric plasma models", Guntersville, AL, October ,1992. Co-Convener, Huntsville Workshop: "Coupling of Micro- and Mesoscale Processes in Space Plasma Transport", Guntersville, AL, October, 1994. Co-Convener, Huntsville Workshop: "Encounter between Global Models and Observations in the ISTP Era", Guntersville, AL, September, 1996. Co-Chair, International Space Science Institute, Inner Magnetosphere Group: Magnetospheric Plasma, Sources and Losses, Bern Switzerland, 1996-1999. Co-Chair, Geospace Environment Modeling Workshop (GEM) Working Group: Plasmasphere and Ring Current Committee, Snowmass CO, June, 1996-1999. Co-Convener, "Huntsville Workshop: Astrophysical Particle Acceleration in Geospace and Beyond", Chattanooga, TN, October, 2002.  Appointments Duration Rank Department / School College / Office University / Company 2004-present Professor and Chair Department of Physics   The University Texas at Arlington 1987-2004 Associate Director Center for Space Plasma and Aeronautic Research   The University of Alabama in Huntsville 1978-2004 Professor Department of Physics   The University of Alabama in Huntsville 1976-1978 Post-Doctoral Fellow National Academy of Sciences, National Research Council   NASA, Marshall Space Flight Center, MSFC, AL 1970-1976 Research Assistant     University of California, San Diego  Synergistic Activities Editorships Associate Editor, Geophysical Research Letters, January, 1986-1989. Editor, Advances in Space Research, Volume on Distribution of low-energy plasma in earth space: Theory, experimental models, 1989. Guest Editor, Journal of Geophysical Research, Special issue on "Plasmasphere Refilling", February, 1992. Space Physics and Aeronomy Section Editor, EOS, American Geophysical Union,1994-1997. Associate Editor, Inner Magnetosphere Section, International Space Science Institute 1996-1999. Co-Editor, Cross-Scale Coupling in Space Plasmas, American Geophysical Union Monograph, Vol. 93, 1996. Space Physics Editor, Reviews of Geophysics, American Geophysical Union, 1997-2001. Co-Editor, Geospace mass and energy flow: Results from the ISTP Program. American Geophysical Union Monograph, Vol 104, Washington, DC, 1998. Guest Editor, Special Issue: Thirty Years of Ionospheric Outflow Studies. Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 62, No. 6, April of 2000. Co-Editor, Particle Acceleration in Astrophysical Plasmas: Geospace and Beyond, Geophysical Monograph 156, American Geophysical Union, Washington, D. C., 2005.  Support  Duration Title Sponsor Amount Status 2007-2010 Auroral Ionosphere Magnetosphere Plasma Transport with Alfvén Kinetic Effects NASA/Living With a Star (LWS) Targeted Research and Technology (TR&T) 278,000 Current 2005-2008 UTA Analysis of TIDE/PSI Data for ISTP Solar Maximum Extended Mission NASA/GSFC 250,000 Current 2003-2007 Geospace Enviroment Modeling (GEM) Investigation of Field Aligned Ionospheric Plasma Transport at Polar Latitudes NSF 242,434 Current 2004-2005 Field-Aligned Ion Transport in the High-Latitude Ionosphere-Magnetosphere System ATM-0334388 39,561 Previous 2002-2005 High Latitude Magnetospheric-Ionospheric Coupling NASA/GSFC 274,082 Previous 2000-2004 Field-Aligned Ion Transport in the High-Latitude Ionosphere-Magnetosphere System NSF 250,454 Previous 2002-2003 Astrophysical Particle Acceleration in Geospace and Beyond NSF 8,000 Previous 2002-2003 Astrophysical Particle Acceleration in Geospace & Beyond NASA/ASGC 1,980 Previous 2002-2003 Astrophysical Particle Acceleration in Geospace & Beyond NASA/MSFC 10,000 Previous 2000-2003 Field-Aligned Ion Transport in the High latitude Ionosphere-Magnetosphere System NSF 8,000 Previous 1999-2001 High Latitude Magnetospheric Ionospheric Coupling, UAH Analysis of TIDE/PSI Data for ISTP Solar Maximum Extended Mission (TIDE) NASA 125,862 Previous 1997-2000 Coupling of the High Latitude F-region to Topside Upflows NSF 146,614 Previous 1995-2000 Fundamental Research and Applied Technology in the Areas of Space Physics and Astrophysics Via Utilization of the Available Flight Experiments and Developments of Future Programs NASA 60,078 Previous 1996-1998 ISPAE, Space Plasma Workshop NASA 12,570 Previous 1995-1998 Convection Effects on High Latitude Plasma Outflows NASA 66,000 Previous 1996-1997 Encounter between Global Observations and Models in ISTP ERA NASA 14,715 Previous 1996-1997 Plasma Wave Generation in the Ionosphere and Plasmasphere by Super-thermal Electrons NSF 60,000 Previous 1996-1997 Encounter between Global Observations and Models in ISTP ERA NASA 5,000 Previous 1994-1997 Core Plasma Evolution on L=4-7 Flux Tubes