Recent Publications for

Hesse, M., J. Birn, D. N. Baker, and James A. Slavin, MHD simulations of the transition of magnetic reconnection from closed to open field lines, J. Geophys. Res., submitted, 1994.

Hesse, M., J. Birn, D. N. Baker, and T.I. Pulkkinen, MHD simulations of substorm dynamics including an inner magnetotail, Substorms 2, (Eds. J.R. Kan, J.D. Craven, and S.-I. Akasofu), p. 493, Geophys. Inst., Univ. Alaska, 1994.

Imhof, W.L., E.E. Gaines, J.P. McGlennon, D. N. Baker, G.D. Reeves, and R.D. Belian, Relativistic electron flux comparisons at low and high altitudes with fast time resolution and broad spectral coverage, J. Geophys. Res., 99, 17,421, 1994.

Klimas, A.J., D. N. Baker, D. Vassiliadis, and D.A. Roberts, Evidence for a normal mode in the unloading dynamics of the magnetosphere, Substorms 2, (Eds. J.R. Kan, J.D. Craven, and S.-I. Akasofu), p. 81, Geophys. Inst., Univ. Alaska, 1994.

Klimas, A.J., D. N. Baker, D. Vassiliadis, and D.A. Roberts, Substorm recurrence during steady and variable solar wind driving: Evidence for a normal mode in the unloading dynamics of the magnetosphere, J. Geophys. Res., 99, 14,855, 1994.

Korth, A., R. Friedel, D. N. Baker, H. Luhr, S.L. Ullaland, J.F. Fennell, and G.D. Reeves, Dynamics of the plasma sheet in the dawn sector of the magnetosphere: Observations from CRRES, Substorms 2, (Eds. J.R. Kan, J.D. Craven, and S.-I. Akasofu), p. 315, Geophys. Inst., Univ. Alaska, 1994.

Looper, M.D., J. B. Blake, R.A. Mewaldt, J.R. Cummings, R.S. Selesnick, and D. N. Baker, Observations of the remnants of the ultrarelativistic electrons injected by the strong SSC of 24 March 1991, Geophys. Res. Letters, 21, 2079-2082, 1994.

Lopez, R.E., and D. N. Baker, Evidence for particle acceleration during magnetospheric substorms, in Astrophysical Journ. Suppl. Series, 90, 531, 1994.

Nakamura, R., D. N. Baker, D.H. Fairfield, D.G. Mitchell, R.L. McPherron, and E.W. Hones, Plasma flow and magnetic field characteristics near the midtail neutral sheet, J. Geophys. Res., 99, 23591, 1994.

Nakamura, R.D., D. N. Baker, T. Yamamoto, R.D. Belian, E.A. Bering III, J.R. Benbrook, and J.R. Theall, Particle and field signatures during the pseudobreakup and major expansion onset of substorms, J. Geophys. Res., 99, 207, 1994.

Pulkkinen, T.I., D. N. Baker, D.G. Mitchell, R.L. McPherron, C.Y. Huang, and L.A. Frank, Thin current sheets in the magnetotail during substorms: CDAW-6 revisited, J. Geophys. Res., 99, 5793, 1994.

Pulkkinen, T.I., D. N. Baker, P.K. Toivanen, R.J. Pellinen, R.H.W. Friedel, and A. Korth, Magnetospheric field and current distributions during the substorm recovery phase, J. Geophys. Res., 99, 10,955, 1994.

Sanny, J., R.L. McPherron, C.T. Russell, D. N. Baker, T.I. Pulkkinen, and A. Nishida, Growth-phase thinning of the near-Earth current sheet during the CDAW-6 substorm, J. Geophys. Res., 99, 5805, 1994.

Tinsley, B.A., J.T. Hoeksema, and D. N. Baker, Stratospheric volcanic aerosols and changes in air-earth current density at solar wind magnetic sector boundaries as conditions for the Wilcox tropospheric vorticity effect, J. Geophys. Res., 99, 16,805, 1994.

Vagina, L.I., V.A. Sergeev, D. N. Baker, and H.J. Singer, Use of mid-latitude magnetic data for modeling and diagnostics of magnetospheric substorms, Adv. Space Res., submitted, 1994.

Vassiliadis, D., D. N. Baker, A.J. Klimas, and D.A. Roberts, Nonlinear dynamical methods and prediction of auroral geomagnetic disturbances, Nature, submitted, 1994.

Vassiliadis, D., A.J. Klimas, D. N. Baker, and D.A. Roberts, Classification and prediction of substorm conditions with nonlinear filters, Substorms 2, (Eds. J.R. Kan, J.D. Craven, and S.-I. Akasofu), p. 473, Geophys. Inst., Univ. Alaska, 1994.

Acuna, M.H., K.W. Ogilvie, D. N. Baker, S.A. Curtis, D.H. Fairfield, and W.H. Mish, The Global Geospace Science Program and its Investigations, Sp. Sci. Rev., 71, 5-21, 1995.

Baker, D.N., "Physicists at Work" in Principles of Physics (F.J. Bueche and D.A. Jerde), p. 577, McGraw-Hill, New York, 1995.

Baker, D.N., The Inner Magnetosphere: A Review, Surveys in Geophys., 16, 331-362, 1995.

Baker, D.N., A.J. Klimas, and D. Vassiliadis, Energy transfer between the solar wind and the magnetosphere-ionosphere system, J. Geomag. Geoelec., 47, 1171-1182 1995.

Baker, D.N., S. Kanekal, J.B. Blake, and J.H. Adams, Jr., The charged particle telescope experiment on Clementine, J. Rockets and Spacecraft, 32, 1060-1064, 1995.

Goldberg, R.A., D. N. Baker, F.A. Herrero, C.H. Jackman, S. Kanekal, and P.A. Twigg, Mesospheric heating during highly relativistic electron precipitation events, J. Geomag. Geoelec., 47, 1237-1248, 1995.

Goldberg, R.A., C.H. Jackman, D. N. Baker, and F.A. Herrero, Changes in the concentration of mesospheric O3 and OH during a highly relativistic electron precipitation event, in The Upper Mesosphere and Lower Thermosphere: A Review of Experiment and Theory, edited by R.M. Johnson and T.L. Killeen, pp. 215-224, Geophysical Monograph 87, AGU, Washington, DC, 1995.

Kauristie, K., T.I. Pulkkinen, R.J. Pellinen, P. Janhunen, A. Huuskonen, A. Viljanen, H.J. Opgenoorth, W.J. Heikkila, and D. N. Baker, Analysis of the substorm trigger phase using multiple ground-based instrumentation, Geophys. Res. Letters, 22, 2065-2068, 1995.

Klimas, A.J., D. N. Baker, D. Vassiliadis, and D.A. Roberts, Reply, J. Geophys. Res., 100, 22,003-22,005, 1995.

Nakamura, R., D. N. Baker, J.B. Blake, S. Kanekal, B. Klecker, and D. Hovestadt, Relativistic electron precipitation near the outer edge of the radiation belt, Geophys. Res. Letters, 22, 1129-1132, 1995.

Nemzek, R.J., R. Nakamura, D. N. Baker, R.D. Belian, D.J. McComas, M.F. Thomsen, and T. Yamamoto, The dependence of pulsating auroral events on energetic electrons and cold plasma near the equatorial plane, J. Geophys. Res., 100, 23,935-23,944, 1995.

Pulkkinen, T.I., D. N. Baker, R.J. Walker, J. Raeder, and M. Ashour-Abdalla, Comparison of empirical magnetic field models and global MHD simulations, Geophys. Res. Letters, 22, 675-678, 1995.

Pulkkinen, T.I., D. N. Baker, P.K. Toivanen, J.S. Murphree, and L.A. Frank, Mapping of the auroral oval and individual arcs during substorms, J. Geophys. Res., 100, 21,987-21,994, 1995.

Vassiliadis, D., A.J. Klimas, D. N. Baker, and D.A. Roberts, A description of the solar wind-magnetosphere coupling based on nonlinear prediction filters, J. Geophys. Res., 100, 3495-3512, 1995.

Baker, D.N., Anik account, Space News, p. 20, February 19-25, 1996.

Baker, D.N., Solar wind-magnetosphere drivers of space weather, J. Atmos. Terr. Phys., 58, No. 14, 1509-1526, 1996.

Baker, D.N., Magnetic reconnection during magnetospheric substorms, Third Internatl. Conf. on Substorms, pp. 365-372, ESA SP-389, 1996.

Baker, D.N., and J.G. Kappenman, Uninterrupted electric power, Science, 273, p. 168, 1996.

Baker, D.N., and M. Yamada, Lab- and space-based researchers discuss plasma experiments, EOS, 77, p. 123, 1996.

Baker, D.N., J.F. Lemaire, and M.I. Panasyuk, Researchers chart course for updating radiation belt models, EOS, 77, p. 217, 1996.

Baker, D.N., A.J. Klimas, D. Vassiliadis, and T.I. Pulkkinen, The magnetospheric dynamical cycle: Role of microscale and mesoscale processes in the global substorm sequence, Physics of Space Plasmas, (T. Chang and J.R. Jasperse, Eds.), p. 41-56, MIT Press, Cambridge, MA, 1996.

Baker, D.N., S.G. Kanekal, M.D. Looper, J.B. Blake, and R.A. Mewaldt, Jovian, solar and other possible sources of radiation belt particles, Radiation Belts: Models & Standards, pp. 49-56, Geophys. Monograph 97, Am. Geophys. Un., Washington, 1996.

Baker, D.N., T.I. Pulkkinen, V. Angelopoulos, W. Baumjohann, and R.L. McPherron, The neutral line model of substorms: Past results and present view, J. Geophys. Res., 101, 12,995-13,010, 1996.

Baker, D.N., T.I. Pulkkinen, P. Toivanen, M. Hesse, and R.L. McPherron, A possible interpretation of cold ion beams in the Earth’s tail lobes, J. Geomag. Geoelectr., 48, 699-710, 1996.

Baker, D.N., J.H. Allen, R.D. Belian, J.B. Blake, S.G. Kanekal, B. Klecker, R.P. Lepping, X. Li, R.A. Mewaldt, K. Ogilvie, T. Onsager, G.D. Reeves, G. Rostoker, R.B. Sheldon, H.J. Singer, H.E. Spence, and N.E. Turner, An assessment of space environmental conditions during the recent Anik E1 spacecraft operational failure, ISTP Newsletter, 6, No. 2, p. 8, 1996.

Baker, D.N., J.B. Blake, L.B. Callis, J.R. Cummings, D. Hovestadt, S. Kanekal, B. Klecker, and R. Nakamura, New magnetospheric results from the SAMPEX mission, in Earth's Trapped Particle Environment (Ed., G. Reeves), American Inst. Phys. Press, p. 3, 1996.

Callis, L.B., R.E. Boughner, D. N. Baker, R.A. Mewaldt, J.B. Blake, R.S. Selesnick, J.R. Cummings, M. Natarajan, G.M. Mason, and J.E. Mazur, Precipitating electrons: Evidence for effects on mesospheric odd nitrogen, Geophys. Res. Lett., 23, No. 15, 1901-1904, 1996.

Hesse, M., J. Birn, D. N. Baker, and J.A. Slavin, MHD simulation of the transition of magnetic reconnection from closed to open field lines, J. Geophys. Res., 101, 10,805-10,816, 1996.

Klimas, A.J., D. Vassiliadis, D. N. Baker, and D.A. Roberts, The organized nonlinear dynamics of the magnetosphere, J. Geophys. Res., 101, 13,089-13,114, 1996.

Li, X., D. N. Baker, M. Temerin, J.B. Blake, and S.G. Kanekal, Outer zone relativistic electron flux variations observed by SAMPEX during Nov 1-8, 1993, Radiation Belts: Models & Standards, pp. 241-246, Geophys. Monograph 97, Am. Geophys. Un., Washington, 1996.

Pulkkinen, T.I., D. N. Baker, C.J. Owen, and J.A. Slavin, A model for the distant tail field: ISEE 3 revisited, J. Geomag. Geoelectr., 48, 455-472, 1996.

Pulkkinen, T.I., D. N. Baker, N.E. Turner, H.J. Singer, J.B. Blake, H. Spence, L.A. Frank, et al., A multispacecraft ISTP study: Substorm evolution from the solar wind to the magnetosphere and ionosphere, p. 7-18, ISTP Newsletter, 6, No. 3, 1996.

Saka, O., H. Akaki, O. Watanabe, and D. N. Baker, Ground-satellite correlation of low-latitude Pi2 pulsations: A quasi-periodic field line oscillation in the magnetosphere, J. Geophys. Res., 101, 15,433-15,440, 1996.

Saka, O., O. Watanabe, M. Shinohara, H. Tachihara, and D. N. Baker, A comparison of occurrence of very low-latitude Pi2 pulsations with magnetic-field and energetic-particle variations at geosynchronous altitude, J. Geomag. Geoelectr., 48, 1431-1441, 1996.

Saka, O., O. Watanabe, and D. N. Baker, A possible driving source for transient field line oscillations in the post-midnight sector at geosynchronous altitudes, J. Geophys. Res., 101, 24,719-24,726, 1996.

Baker, D.N., Clementine particle measurements in lunar orbit, Adv. Space Res., 19, 1587-1591, 1997.

Baker, D.N., High-Energy Electrons in Earth’s Magnetosphere: Their Effects and Methods of Prediction, in Solar-Terrestrial Predictions-V, (Edited by G. Heckman et al.), p. 217, Hiraiso STR Center, Ibaraki, Japan, November, 1997.

Baker, D.N., Present knowledge of the magnetosphere and outstanding remaining problems, in Discovery of the Magnetosphere (C.S. Gillmor and J.R. Spreiter, Eds.), History of Geophys. 7., American Geophysical Union, pp. 275-286, Washington, D.C., 1997.

Baker, D.N., and R. Carovillano, IASTP and Solar-Terrestrial Physics, Adv. Space Res., 20, 531-528, 1997.

Baker, D.N., and T.I. Pulkkinen, Solar disturbances and correlated geospace responses: Relativistic magnetospheric electron acceleration, in Correlated Phenomena at the Sun, in the Heliosphere, and in Geospace, ESA SP-415, 199-206, 1997.

Baker, D.N., H.E. Spence, and J.B. Blake, ISTP: Relativistic particle acceleration and global energy transport, Adv. Space Res., 20, 1075-1080, 1997.

Baker, D.N., X. Li, N.E. Turner, J.H. Allen, J.B. Blake, R.B. Sheldon, H.E. Spence, R.D. Belian, G.D. Reeves, S.G. Kanekal, B. Klecker, R.P. Lepping, K. Ogilvie, R.A. Mewaldt, T. Onsager, H.J. Singer, and G. Rostoker, Recurrent geomagnetic storms and relativistic electron enhancements in the outer magnetosphere: ISTP coordinated measurements, J. Geophys. Res., 102, 14,141-14,148, 1997.

Baker, D.N., A.J. Klimas, D. Vassiliadis, T.I. Pulkkinen, and R.L. McPherron, Re-examination of driven and unloading aspects of magnetospheric substorms, J. Geophys. Res., 102, 7169-7177, 1997.

Baker, D.N., T.I. Pulkkinen, M. Hesse, and R.L. McPherron, A quantitative assessment of energy storage and release in the Earth's magnetotail, J. Geophys. Res., 102, 7159-7168, 1997.

Baker, D.N., A. Nishida, T. Mukai, T. Yamamoto, Y. Saito, Y. Matsuno, S. Kokubun, and T.I. Pulkkinen, Association of bidirectional electrons with low-energy ion flows in the distant tail lobes: GEOTAIL Results, Geophys. Res. Lett., 29, 959-962, 1997.

Blake, J.B., D. N. Baker, N.E. Turner, K.W. Ogilvie, and R.P. Lepping, Correlation of changes in the outer-zone relativistic electron population with upstream solar wind and magnetic field measurements, Geophys. Res. Lett., 24, 927-929, 1997.

Joselyn, J.A., D. N. Baker, Y. Kamide, and T. Ogino, Magnetospheric/Geomagnetic Working Group Report, in Solar-Terrestrial Predictions-V, (Ed. by G. Heckman, et al.), p. 9, Hiraiso STR Center, Ibaraki, Japan, November, 1997.

Kauristie, K., T.I. Pulkkinen, A. Huuskonen, R.J. Pellinen, H.J. Opgenoorth, D. N. Baker, A. Korth, and M. Syrjäso, Auroral precipitation facing before and at substorm onset: Ionospheric and geostationary signatures, Ann. Geophysicae, 15, 967-983, 1997.

Klimas, A.J., D. Vassiliadis, and D. N. Baker, Data-derived analogues of the magnetospheric dynamics, J. Geophys. Res., 102, No. A12, 26,993-27,009, 1997.

Li, X., D. N. Baker, M. Temerin, T.E. Cayton, E.G.D. Reeves, R.A. Christensen, J.B. Blake, R. Nakamura, and S.G. Kanekal, Multi-satellite observations of the outer zone electron variation during the 3-4 November 1993 magnetic storm, J. Geophys. Res., 102, 14,123-14,140, 1997.

Li, X., D. N. Baker, M. Temerin, D. Larson, R.P. Lin, G.D. Reeves, M. Looper, S.G. Kanekal, and R.A. Mewaldt, Are energetic electrons in the solar wind the source of the outer radiation belt?, Geophys. Res. Lett., 24, No. 8, 923-926, 1997.

Liu, W.W., G. Rostoker, D. N. Baker, H.J. Singer, and T. Onsager, Internal acceleration of relativistic electrons by magnetic pumping of large-amplitude ULF pulsations, submitted, J. Geophys. Res., 1997.

Mason, G.M., D. N. Baker, J.B. Blake, R.E. Boughner, L.B. Callis, A.C. Cummings, J.R. Cummings, D.C. Hamilton, D. Hovestadt, S.G. Kanekal, B. Klecker, X. Li, M.D. Looper, J.E. Mazur, R.A. Mewaldt, M. Oetliker, M. Scholer, R.S. Selesnick, E.C. Stone, T.T. vonRosenvinge, and D. Williams, SAMPEX: NASA’s first Small Explorer satellite, 1998 IEEE Aerospace Conference, paper 006, submitted, 1997.

Pulkkinen, T.I., and D. N. Baker, Global substorm cycle: What can the models tell us?, Surveys in Geophysics, 18, 1-37, 1997.

Pulkkinen, T.I., D. N. Baker, N.E. Turner, H.J. Singer, L.A. Frank, J.B. Sigwarth, S. Kokubun, et al., Solar wind — magnetosphere coupling during an isolated substorm event: A multispacecraft ISTP study, Geophys. Res., Lett., 29, 983-986, 1997.

Reeves, G.D., D. N. Baker, R.D. Belian, J.B. Blake, T.E. Cayton, J.F. Fennell, R.H.W. Friedel, X. Li, M.M. Meier, R.S. Selesnick, and H.E. Spence, A new understanding of relativistic electrons in the Earth’s radiation belts, submitted, Science, 1997.

Saka, O., K. Okada, O. Watanabe, D. N. Baker, G.D. Reeves, and R.D. Belian, Pi2-associated particle flux and magnetic field modulations in geosynchronous altitudes, J. Geophys. Res., 102, No. A6, 11,363-11,373, 1997.

Baker, D.N., The Inter-Agency Consultative Group Scientific Campaigns, Physics and Chemistry of the Earth, in press, 1998.

Baker, D.N., What is space weather, Adv. Space Res., 22, 7-16, 1998.

Baker, D.N., Coupling between the solar wind, magnetosphere, ionosphere, and neutral atmosphere, Encyclopedia of Astronomy and Astrophysics, in press, 1998.

Baker, D.N., A Mercury Orbiter Mission, Yosemite 1998 Conference, submitted, 1998.

Baker, D.N., Acceleration of highly relativistic electrons in Earth’s outer radiation belts: Low-frequency wave interactions and global consequences, Physics of Space Plasmas, in press, 1998.

Baker, D.N., J.H. Allen, S.G. Kanekal, and G.D. Reeves, Disturbed space environment may have been related to pager satellite failure, EOS, 79, p. 477, 1998.

Baker, D.N., and M.J. Carlowicz, ISTP and Beyond: A solar-system telescope and a cosmic microscope, Yosemite 1998 Conference, in press, 1998.

Baker, D.N., X. Li, J.B. Blake, and S. Kanekal, Strong electron acceleration in the Earth’s magnetosphere, Adv. Space Res., 21, No. 4, 609-613, 1998.

Baker, D.N., and T.I. Pulkkinen, Energy requirement of magnetic reconnection during magnetospheric substorms, Adv. Space Res., in press, 1998.

Baker, D.N., and T.I. Pulkkinen, Large-scale structure of the magnetosphere, AGU Monograph New Perspectives of the Earth’s Magnetotail, in press, 1998.

Baker, D.N., T.I. Pulkkinen, J. Büchner, and A.J. Klimas, Substorms: A global magnetospheric instability, Proc. Fourth International Conf. On Substorms, (ed. Y. Kamide), Terra Scientific, Tokyo, in press, 1998.

Baker, D.N., T.I. Pulkkinen, X. Li, S.G. Kanekal, K.W. Ogilvie, R.P. Lepping, J.B. Blake, L.B. Callis, G. Rostoker, H.J. Singer, and G.D. Reeves, A strong CME-related magnetic cloud interaction with the earth’s magnetosphere: ISTP observations of rapid relativistic electron acceleration on May 15, 1997, Geophys. Res. Lett., 25, 2975-2978, 1998.

Baker, D.N., T.I. Pulkkinen, M. Hesse, and R.L. McPherron, Reply to Heikkila, J. Geophys. Res., 103, A8, 17,733-17,734, 1998.

Baker, D.N., T.I. Pulkkinen, J. Büchner, and A.J. Klimas, Substorms: A global magnetospheric instability Proc. Fourth International Conf. On Substorms, (ed. Y. Kamide), Terra Scientific, Tokyo, in press, 1998.

Baker, D.N., T.I. Pulkkinen, X. Li, S.G. Kanekal, J.B. Blake, R.S. Selesnick, M.G. Henderson, G.D. Reeves, H.E. Spence, and G. Rostoker, Coronal mass ejections, magnetic clouds, and relativistic magnetospheric electron events: ISTP, J. Geophys. Res., 103, A8, 17,279-17,291, 1998.

Kan, J.R., W. Baumjohann, F.V. Coroniti, J. Birn, V.M. Vasyliunas, C.F. Kennel, A.T.Y. Lui, L.R. Lyons, Y. Kamide, D. N. Baker, M. Hesse, and S.-I. Akasofu, Substorm research moves toward a unifying framework, Eos, Transactions, AGU, 79, No. 28, July 14, 1998.

Kanekal, S.G., D. N. Baker, J.B. Blake, B. Klecker, J. Cummings, R.A. Mewaldt, G.M. Mason, and J.E. Mazur, Dynamic variation of the polar cap, J. Geophys. Res., in press, 1998.

Klimas, A.J., D. Vassiliadis, and D. N. Baker, Dst index prediction using data-derived analogues of the magnetospheric dynamics, J. Geophys. Res., submitted, 1998.

Klimas, A.J., D. Vassiliadis, D. N. Baker, and J.A. Valdivia, Data-derived analogues of the solar wind-magnetosphere interaction, also in "Paros" Proceedings, see prior Vassiliadis reference, Phys. Chem. Earth, in press,1998.

Li, X., D. N. Baker, et al., Energetic electron injections into the inner magnetosphere during the January 10-11, 1997 magnetic cloud event, Geophys. Res. Lett, 25, 2561, 1998.

Lu, G., D. N. Baker, R.L. McPherron, C.J. Farrugia, V.K. Jordanova, D. Lummerzheim, J.M. Ruohoniemi, F.J. Rich, D.S. Evans, R. P. Lepping, M. Brittnacher, X. Li, R. Greenwald, G. Sofko, J. Villain, M. Lester, J. Thayer, T. Moretto, D. Milling, O. Troshichev, A. Zaitzev, P. Aleksandrovich, G. Makarov, V. Papitashvili, and K. Hayashi, Global energy deposition during the January 1997 magnetic cloud event, J. Geophys. Res., in press, 1998.

Nakamura, R., K. Kamei, Y. Kamide, D. N. Baker, J.B. Blake, and M. Looper, SAMPEX observations of storm-associated electron flux variations in the outer radiation belt, J. Geophys. Res., in press, 1998.

Peterson, W.K., K.J. Trattner, O.W. Lennartson, H.L. Collin, D. N. Baker, T.I. Pulkkinen, P.K. Toivanen, T.A. Fritz, J.F. Fennell, and J.L. Roeder, Imaging the plasma sheet with energetic ions from the polar satellite, Proc. Fourth International Conf. On Substorms, (ed. Y. Kamide), Terra Scientific, Tokyo, in press, 1998.

Pulkkinen, T.I., D. N. Baker, L.L. Cogger, T. Mukai, and H.J. Singer, Coupling of inner tail and midtail processes, Proc. Fourth International Conf. On Substorms, (ed. Y. Kamide), Terra Scientific, Tokyo, in press, 1998.

Pulkkinen, T.I., D. N. Baker, M. Wiltberger, C. Goodrich, R.E. Lopez, and J.G. Lyon, Pseudobreakup and substorm onset: Observations and MHD simulations compared, J. Geophys. Res., 103, A7, 14,847-14,854, 1998.

Pulkkinen, T.I., D. N. Baker, L.A. Frank, J.B. Sigwarth, H.J. Opgenoorth, R. Greenwald, E. Friis-Christensen, T. Mukai, R. Nakamura, H. Singer, Two substorm intensifications compared: Onset, expansion, and global consequences, J. Geophys. Res., 103, 15-27, 1998.

Reeves, G.D., R.H.W. Friedel, R.D. Belian, M.M. Meier, M.G. Henderson, T. Onsager, H.J. Singer, D. N. Baker, and X. Li, The relativistic electron response at geosynchronous orbit during the January 1997 magnetic storm, J. Geophys. Res., 103, A8, 17,559-17,570, 1998.

Rostoker, G., S. Skone, and D. N. Baker, On the origin of relativistic electrons in the magnetosphere, Geophys. Res. Lett., in press, 1998.

Saka, O., O. Watanabe, K. Ikada, and D. N. Baker, A slow mode wave as a possible source of the Pi2 and associated particle precipitation: A case study, J. Geophys. Res., in press, 1998.

Saka, O., H. Akaki, O. Watanabe, K. Okada, and D. N. Baker, Possible plasma dynamics in nighttime magnetosphere associated with Pi 2 onset as observed from dip-equator, submitted to J. Geomag. Geoelectr., 1998.

Saka, O., O. Watanabe, M. Shinohara, H. Akaki, and D. N. Baker, Possible plasma dynamics in nighttime magnetosphere during first one-minute-interval of the Pi2 onset, Proc. Fourth International Conf. On Substorms, (ed. Y. Kamide), Terra Scientific, Tokyo, in press, 1998.

Sharma, A.S., What triggers substorm expansion onset? Current understanding and outlook, Proc. Fourth International Conf. On Substorms, (ed. Y. Kamide), Terra Scientific, Tokyo, in press, 1998.

Turner, N.E., D. N. Baker, T.I. Pulkkinen, H.J. Singer, and F. Mozer, Magnetospheric response times following southward IMF turnings, Proc. Fourth International Conf. On Substorms, (ed. Y. Kamide), Terra Scientific, Tokyo, in press, 1998.

Turner, N.E., D. N. Baker, T.I. Pulkkinen, H.J. Singer, F. Mozer, and R.P. Lepping, High altitude polar cap electric field responses to southward turnings of the interplanetary magnetic field, J. Geophys. Res., 103 , 26, 533-26, 545, 1998.

Vassiliadis, D., A.J. Klimas, J.A. Valdivia, and D. N. Baker, Substorm expansion as seen from the ground: Models of the geomagnetic signature, Proc. Fourth International Conf. On Substorms, (ed. Y. Kamide), Terra Scientific, Tokyo, in press, 1998.