Patrick T.
Newell
Born: July 3, 1957; Sagamihara, Japan
Education: B. S. (Physics), Harvey Mudd College, 1979. Honors in
Physics and Humanities
Ph.D. (Physics) University of California, San Diego,
1985.
Positions Held:
1999-present Principal Professional Staff, The Johns Hopkins University
Applied Physics Laboratory
1989-1999 Senior Professional Staff, The Johns Hopkins
University Applied Physics Laboratory
1985 - 1988 Postdoctoral Research Associate, The Johns Hopkins
University Applied Physics Laboratory
1981 - 1985 Graduate Research Assistant, University of California,
San Diego
1979-1981 Teaching Assistant, University of California, San Diego
1979,1980(summers) Programmer, General Atomic, San Diego,
California
Research Specialty: Magnetospheric physics, especially as studied using charged particle precipitation measurements from low-altitude satellites. Research often emphasizes the use of sophisticated pattern recognition techniques to conduct statistical studies of space physics phenomena.
Major Research Accomplishments: First quantitative and rigorously tested identification of the particle cusp (1988); first rigorous low-altitude identification of the LLBL and mantle (1991); first map of the magnetospheric source regions of precipitation (1992); new theory of theta-aurora (1995); discovery that sunlight suppresses discrete aurora (1996); unifying theory of polar cap aurora (1997); determined solar cycle behavior of aurora within the oval (1998).
Honors: Maryland Distinguished Young Scientist Award, 1997 (one of five scientists under the age of 40 so honored across all scientific disciplines). NASA Group Achievement Award for work on the Polar satellite, 1998. APL Special Acheivement Award, 1998.
Other. Consultant to NPR program “Earth and Sky.” NTRP rating 4.5. BP: 270, SQ: 341, DL: 413 lbs. Awarded 1st Dan in Tang Soo Do Moo Duk Kwan (1983).
Publications
1985
1. Newell, P. T., Review of the critical ionization velocity effect in space, Rev. Geophys., 23, 93-104, 1985.
2. Newell, P. T., and R. B. Torbert, Competing atomic processes in Ba and Sr injection critical velocity experiments, Geophys. Res. Lett., 12, 835-838, 1985.
3. Wescott, E. M., H. C. Stenbaek-Nielsen, T. Halinan, C. Deehr, J. Romick, J. Olson, M. C. Kelley, R. Pfaff, R. B. Torbert, P. Newell, H. Foppl, J. Fedder, and H. Mitchell, Plasma-depleted holes, waves, and energized particles from high–altitude explosive plasma perturbation experiments, J. Geophys. Res., 90, 4281-4298, 1985.
1986
4. Newell, P. T., and C.-I. Meng, Substorm
introduction of ≤ 1-keV magnetospheric ions into the inner
plasmasphere, J. Geophys. Res., 91, 11133-11145, 1986.
5. Torbert, R. B., and P. T. Newell, A magnetospheric critical velocity experiment: particle results, J. Geophys. Res., 91, 9947-9955, 1986.
1987
6. Newell, P. T., and C.-I. Meng, Energy dependence of the equatorward cutoffs in auroral electron and ion precipitation, J. Geophys. Res., 92, 7519-7530, 1987.
7. Newell, P. T., and C.-I. Meng, Low-altitude observations of dispersionless substorm injections, J. Geophys. Res., 92, 10063-10072, 1987.
8. Newell, P. T., and C.-I. Meng, Cusp width and Bz: Observations and a conceptual model, J. Geophys. Res., 92, 13673-13678, 1987.
1988
9. Newell, P. T., and C.-I. Meng, Hemispherical asymmetry in cusp precipitation near solstices, J. Geophys. Res., 93, 2643-2648, 1988.
10. Newell, P. T., and C.-I. Meng, The cusp and the cleft/boundary layer: Low-altitude identifications and statistical local time variation, J. Geophys. Res., 93, 14549-14556, 1988.
11. Newell, P. T., and C.-I. Meng, An event of distinct ion polar rain, Geophys. Res. Lett., 15, 1165-1168, 1988.
12. Newell, P. T., and C.-I. Meng, Categorization of dispersion curves in the equatorward edge of the diffuse aurora, Planet. Space Sci., 36, 1031-1038, 1988.
13. Ruohoniemi, J. M., R. A. Greenwald, J. P. Villian, K. B. Baker, P. T. Newell, and C.-I. Meng, Coherent HF radar backscatter from small-scale irregularities in the dusk sector of the subauroral ionosphere, J. Geophys. Res., 93, 12871-12882, 1988.
14. Sandholt, P. E., B. Jacobsen, B. Lybekk, A. Egeland, C.-I. Meng, P. T. Newell, F. J. Rich, and E. J. Weber, Polar cleft structure and dynamics in the prenoon sector, Adv. Space Res., 8, 59-64, 1988.
1989
15. Newell, P. T., and C.-I. Meng, Dipole tilt angle effects on the latitude of the cusp and the cleft/LLBL, J. Geophys. Res., 94, 6949-6953, 1989.
16. Newell, P. T., C.-I. Meng, D. G. Sibeck, and R. Lepping, Some low altitude cusp dependencies on the interplanetary magnetic field, J. Geophys. Res., 94, 8921-8927, 1989.
17. Newell, P. T., and C.-I. Meng, On quantifying the distinctions between the cusp and the cleft/LLBL, in Electromagnetic Coupling in the Polar Clefts and Caps, 87-101, P. Sandholt and A. Egeland (eds.), Kluwer Academic Publishers, Dordrecht, 1989.
18. Engebretson, M. J., B. J. Anderson, L. J. Cahill, R. L. Arnoldy, P. T. Newell, C.-I. Meng, L. J. Zanetti, and T. A. Potemra, A multipoint case study of high-latitude daytime ULF pulsations, J. Geophys. Res., 94, 17143-17160, 1989.
19. Hones, E. W., J. D. Craven, L. A. Frank, D. S. Evans, and P. T. Newell, The horse-collar aurora: A frequent pattern of the aurora in quiet times, Geophys. Res. Lett., 16, 37-40, 1989.
20. Sandholt, P. E., B. Jacobsen, B. Lybekk, A. Egeland, C-I. Meng, P. T. Newell, F. J. Rich, and E. J. Weber, Structure and dynamics in the polar cleft: coordinated satellite and ground-based observations in the prenoon sector, J. Geophys. Res., 94, 8928–8942, 1989.
1990
21. Newell, P. T., and C.-I. Meng, Intense keV energy polar rain, J. Geophys. Res., 95, 7869-7879, 1990.
22. Newell, P. T., Comment on "Low-altitude signatures of the cusp and flux transfer events", by Lockwood and Smith, Geophys. Res. Lett., 17, 303-304, 1990.
23. Newell, P. T., S. Wing, C.-I. Meng, and V. Sigillito, A neural network based system for monitoring the aurora, Johns Hopkins APL Technical Digest, 11, 291-299, 1990.
24. Baker, K. B., R. A. Greenwald, J. M. Ruohoniemi, J. R. Dudeney, M. Pinnock, P. T. Newell, M. E. Greenspan, and C.-I. Meng, Simultaneous HF-radar and DMSP observations of the cusp, Geophys. Res. Lett., 17, 1869-1872, 1990.
25. Lopez, R. E., H. Luhr, B. J. Anderson, P. T. Newell, and R. W. McEntire, Multi-point observations of a small substorm, J. Geophys. Res., 95, 18897-18912, 1990.
26. McHenry, M. , C. R. Clauer, E. Friis-Christinsen, P. T. Newell, and J. D. Kelley, Ground observations of magnetospheric boundary layer phenomena, J. Geophys. Res., 95, 14995-15005, 1990.
27. Sánchez, E. R., C.-I. Meng, and P. T. Newell, Observations of solar wind penetration into the Earth's magnetosphere: The plasma mantle, Johns Hopkins APL. Tech. Digest, 272-278, 1990.
1991
28. Newell, P. T., W. J. Burke, C.-I. Meng, E. R. Sanchez, and M. E. Greenspan, Identification and observations of the plasma mantle at low altitudes, J. Geophys. Res. 96, 35-45, 1991.
29. Newell, P. T., S. Wing, C.-I. Meng, and V. Sigillito, The auroral oval position, structure, and intensity of precipitation from 1984 onwards: An automated online data base, J. Geophys. Res., 96, 5877-5882, 1991.
30. Newell, P. T., W. J. Burke, E. R. Sánchez, C.-I. Meng, M. E. Greenspan, and C. R. Clauer, The Low Latitude Boundary Layer and the Boundary Plasma Sheet at low altitude: prenoon precipitation regions and convection reversal boundaries, J. Geophys. Res., 96, 21013-21023, 1991.
31. Newell, P. T., C.-I. Meng, and D. A. Hardy, Overview of global electron and ion precipitation, in Auroral Physics, C-I. Meng, M. J. Rycroft, and L. A. Frank eds., 85-93, Cambridge University Press, England, 1991.
32. Newell, P. T., and C.-I. Meng, Ion acceleration at the equatorward edge of the cusp: low-altitude observations of patchy merging, Geophys. Res. Lett., 18, 1829-1832, 1991.
33. Hansen, H. J., B. J. Fraser, F. W. Menk, Y. D. Hu, P. T. Newell, and C.-I. Meng, High latitude unstructured Pc1 emissions generated in the vicinity of the dayside auroral oval, Planet. Space Sci., 39, 709-719, 1991.
34. Takahashi, K., D. G. Sibeck, and P. T. Newell, and Harlan E. Spence, ULF waves in the low-latitude boundary layer and their relationship to magnetospheric pulsations: a multisatellite observation, J. Geophys. Res., 96, 9503-9519, 1991.
1992
35. Newell, P. T., and C.-I. Meng, Mapping the dayside ionosphere to the magnetosphere according to particle precipitation characteristics, Geophys. Res. Lett., 19, 609-612, 1992.
36. Newell, P. T., C-I. Meng, and R. E. Huffman, Determining the source region of auroral emissions in the pre-noon oval using coordinated Polar BEAR UV-imaging and DMSP particle measurements, J. Geophys. Res., 97, 12245-12252, 1992.
37. Elphinstone, R. D., J. S. Murphree, D. J. Hearn, L. L. Cogger, P. T. Newell, and H. Vo, Viking observations of the UV dayside aurora and their relationship to DMSP particle boundary definitions, Annales Geophysicae, 10, 815-826, 1992.
38. Hansen, H. J., B. J. Fraser, F. W. Menk, Y. D. Hu, P. T. Newell, C.-I. Meng and R. J. Morris, High latitude Pc1 bursts originating within the low latitude boundary layer, J. Geophys. Res., 97, 3993-4008, 1992.
39. Menk, F. W., B. J. Fraser, H. J. Hansen, P. T. Newell, C.-I. Meng, and R. J. Morris, Identification of the magnetospheric cusp and cleft using Pc1-Pc2 ULF pulsations, J. Atmos. Terr. Phys., 54, 1021-1042, 1992.
40. Sandholt, P. E., and P. T. Newell, A transient auroral event in the prenoon cusp-cleft ionosphere: ground and satellite observations, J. Geophys Res., 97, 8685-8691, 1992.
41. Samson, J. C., L. R. Lyons, P. T. Newell, F. Creutzberg, B. Xu, Proton aurora and substorm intensifications, Geophys. Res. Lett., 19, 2167-2170, 1992.
42. Watermann, J., O. de la Beaujardiere, and P. T. Newell, Incoherent scatter radar observations of ionospheric signatures of cusp-like electron precipitation, J. Geomag. and Geoel., 44, 1195-1206, 1992.
1993
43. Newell, P. T., and D. G. Sibeck, By fluctuations in the magnetosheath and azimuthal flow velocity transients in the dayside ionosphere, Geophys. Res. Lett., 20, 1719-1722, 1993.
44. Newell, P. T., and C.-I. Meng, Reply, Geophys. Res. Lett, 20, 1741-1742, 1993.
45. Newell, P. T., and D. G. Sibeck, Upper limits on the contribution of Flux Transfer Events to ionospheric convection, Geophys. Res. Lett., 20, 2829-2832, 1993.
46. Burke, W. J., B. Jacobsen, P. E. Sandholt, W. F. Denig, N. C. Maynard, and P. T. Newell, Optical signatures and sources of prenoon auroral precipitation, J. Geophys. Res., 98, 11521-11529, 1993.
47. de la Beaujardiere, O., J. Watermann, P. Newell, and F. Rich, Relationship between Birkeland current regions, particle precipitation, and electric fields, J. Geophys. Res., 98, 7711-7720, 1993.
48. Ohtani, S., B. J. Anderson, D. G. Sibeck, P. T. Newell, L. J. Zanetti, T. A. Potemra, K. Takahashi, R. E. Lopez, V. Angelopoulos, R. Nakamura, D. M. Klumpar, and C. T. Russell, A multisatellite study of a pseudo-substorm onset in the near-Earth magnetotail, J. Geophys. Res., 98, 19355-19367, 1993.
49. Pinnock, M., A. S. Rodger, J. R. Dudeney, K. B. Baker, P. T. Newell, R. A. Greenwald, and M. E. Greenspan, Observations of an enhanced convection channel in the cusp ionosphere, J. Geophys. Res., 98, 3767-3776, 1993.
50. Sánchez, E. R., B. H. Mauk, P. T. Newell, and C.-I. Meng, Low-altitude observations of the evolution of substorm injection boundaries, J. Geophys. Res., 98, 5815-5838, 1993.
1994
51. de la Beaujardiere, O., L. R. Lyons, J. M. Ruohoniemi, E. Friis-Christensen, C. Danielsen, F. J. Rich, and P. T. Newell, Quiet-time intensifications along the poleward auroral boundary near midnight, J. Geophys. Res., 99, 287-298, 1994.
52. Hansen, H. J., B. J. Fraser, F. W. Menk, P. T. Newell, C.-I. Meng, and R. J. Morris, Interstation analysis of dayside 30-60 mHz Pc3 geomagnetic pulsations, Anare Research Notes, 92, 161-176, 1994.
53. Menk, F. W., H. J. Hansen, I. S. Dunlop, B. J. Fraser, P. T. Newell, C.-I. Meng, and R. J. Morris, Proceedings of the 1992 STEP Symposium/5th COSPAR Colloqium, 301-304, Pergamon Press, New York, 1994.
54. Minow, J. I., R. W. Smith, W. F. Denig, and P. T. Newell, Dayside auroral dynamics during reconfiguration of the auroral oval, Physical Signatures of Magnetospheric Boundary Layer Processes, J. Holtet and A. Egeland editors, 201-210, Kluwer Academic Publishers, Dordrecht, 1994.
55. Newell, P. T., and C.-I. Meng, Ionospheric projections of magnetospheric regions under low and high solar wind conditions, J. Geophys. Res., 99, 273-286, 1994.
56. Newell, P. T., and D. G. Sibeck, Magnetosheath fluctuations and dayside ionospheric transients, Physical Signatures of Magnetospheric Boundary Layer Processes, J. Holtet and A. Egeland editors, 245-261, Kluwer Academic Publishers, Dordrecht, 1994.
57. Newell, P. T., and D. G. Sibeck, Reply to Lockwood, Cowley, and Smith, Geophys. Res. Lett, 21, 1821-1822, 1994.
58. Newell, P. T., and C.-I. Meng, Comment on "Unexpected features of the ion precipitation in the so-called cleft/low latitude boundary layer: association with sunward convection and occurence on open field lines" by Nishida, Mukai, Hayakawa, Matsuoka, Tsuruda, Kaya, and Fukunishi, J. Geophys. Res., 99, 19609-19614, 1994.
59. Sibeck, D. G., and P. T. Newell, Concerning the location of magnetopause merging, Physical Signatures of Magnetospheric Boundary Layer Processes, J. Holtet and A. Egeland editors, 263-273, Kluwer Academic Publishers, Dordrecht, 1994.
60. Senior, C., D. C. Delcourt, J. C. Cerisier, C. Hanuise, J. P. Villain, R. G. Greenwald, P. T. Newell, F. J. Rich, Correlated observations of the boundary between polar cap and nightside auroral zone by HF radars and the DMSP satellite, Geophys. Res. Lett., 21, 221-224 1994.
61. Takahashi, K., B. J. Anderson, P. T. Newell, T. Yamamoto, and N. Sato, Propagation of Compressional Pc 3 Pulsations from space to the ground: A case study using multipoint measurements, in Solar Wind Sources of Magnetospheric ULF Waves, Geophysical Monograph 81, M. J. Engrebretson and K. Takahashi editors, 355-363, American Geophysical Union, 1994.
62. Watermann, J., D. Lummerzheim, O. de la Beaujardiere, P. T. Newell, and F. J. Rich, Ionospheric footprint of magnetosheathlike particle precipitation observed by an incoherent scatter radar, J. Geophys. Res., 99, 3855-3867, 1994.
63. Watermann, J., O. de la Beaujardiere, D. Lummerzheim, J. Woch, P. T. Newell, T. A. Potemra, F. J. Rich, and M. Shapshak, The dynamic cusp at low altitudes: A case study utilizing Viking, DMSP-F7, and Sondrestrom Incoherent Scatter Radar Observations, Annales Geophysicae, 12, 1144-1157, 1994.
1995
64. Anderson, H. M., M. J. Engebretson, R. L. Arnoldy, L. J. Cahill, and P. T. Newell, Statistical study of hydromagnetic chorus events at very high latitudes, J. Geophys. Res., 100, 3681-3692, 1995.
65. Baker, K. B., J. R. Dudeney, R. A. Greenwald, M. Pinnock, P. T. Newell, A. S. Rodger, N. Mattin, and C.-I. Meng, HF radar signatures of the cusp and low-latitude boundary layer, J. Geophys. Res., 100, 7671-7697, 1995.
66. Cumnock, J. A., R. A. Heelis, M. R. Hairston, and P. T. Newell, High-latitude ionospheric convection pattern during steady northward interplanetary magnetic field, 14537-14556, J. Geophys. Res., 1995.
67. Elphinstone, R. D., D. J. Hearn, L. L. Cogger, J. S. Murphree, H. Singer, V. Sergeev, K. Mursula, D. M. Klumpar, G. D. Reeves, M. Johnson, S. Ohtani, T. A. Potemra, I. Sandahl, E. Nielsen, M. Persson, H. Opgenoorth, P. T. Newell, and Y. I. Feldstein, Observations in the vicinity of substorm onset: Implications for the substorm process, J. Geophys. Res., 100, 7937-7971, 1995.
68. Elphinstone, R. D., J. S. Murphree, D. J. Hearn, L. L. Cogger, I. Sandahl, P. T. Newell, D. M. Klumpar, S. Ohtani, J. A. Sauvaud, T. A. Potemra, K. Mursula, A. Wright, and M. Shapshak, The double oval UV auroral distribution, 1, Implications for the mapping of auroral arcs, J. Geophys. Res., 100, 12075-12092, 1995.
69. Elphinstone, R. D., D. J. Hearn, L. L. Cogger, J. S. Murphree, A. Wright, I. Sandahl, S. Ohtani, P. T. Newell, D. M. Klumpar, M. Shapshak, T. A. Potemra, K. Mursula, and J. A. Sauvaud, The double oval UV auroral distribution: 2. The most poleward system and the dynamics of the magnetotail, J. Geophys. Res., 100, 12093-12102, 1995.
70. Feldstein, Y. I., P. T. Newell, S. V. Leontjev, V. G. Vorobjev, I. Sandahl, and J. Woch, Structure of auroral precipitation during a theta-aurora from multi-satellite observations, J. Geophys. Res., 100, 17429-17442, 1995.
71. Lu, G., L. R. Lyons, P. H. Reiff, W. F. Denig, O. de la Beaujardiere, H. W. Kroehl, P. T. Newell, F. J. Rich, H. Opgenoorth, M. A. L. Persson, J. M. Ruohoniemi, E. Friis-Christensen, L. Tomlinson, R. Morris, G. Burns, and A. McEwin, Characteristics of ionospheric convection and field-aligned current in the dayside cusp region, J. Geophys. Res., 100, 11845-11862, 1995.
72. Lui, A. T. Y., R. D. Elphinstone, J. S. Murphree, M. G. Henderson, H. B. Vo, L. L. Cogger, H. Lühr, S. Ohtani, P. T. Newell, and G. D. Reeves, Special features of a substorm during high solar wind dynamic pressure, J. Geophys. Res., 100, 19095-19108, 1995.
73. McHarg, M. G., J. V. Olson, and P. T. Newell, ULF cusp pulsations: diurnal variations and interplanetary magnetic field correlations with ground based observations, J. Geophys. Res., 100, 19729-19742, 1995.
74. Newell, P. T., Do the dayside cusps blink?, Rev. Geophys. Supplement,U.S. National Report to the IUGG (1991-1994), 665-668, 1995.
75. Newell, P. T., D. G. Sibeck, and C.-I. Meng, Penetration of the interplanetary magnetic field By and magnetosheath plasma into the magnetosphere: Implication for the predominant site of merging, J. Geophys. Res., 100, 235-243, 1995.
76. Newell, P. T., and C.-I. Meng, Magnetopause dynamics as inferred from plasma observations on low-altitude satellites, Physics of the Magnetopause, P. Song and B. U. O. Sonnerup Editors, AGU Monograph 90, 407-416, 1995.
77. Newell, P. T., and C.-I. Meng, Creation of theta-auroras: The isolation of plasma sheet fragments in the polar cap, Science, 270, 1338-1341, 1995.
78. Newell, P. T., and C.-I. Meng, Cusp low-energy ion cutoffs: A survey and implications for merging, J. Geophys. Res., 100, 21943-21952 1995.
79. Ohtani, S., T. A. Potemra, P. T. Newell, L. J. Zanetti, T. Iijima, M. Watanabe, M. Yamauchi, R. D. Elphinstone, O. de la Beaujardière, and L. G. Blomberg, Simultaneous Prenoon and postnoon observations of three field-aligned current systems from Viking and DMSP-F7, Geophys. Res., 100, 119-136, 1995.
80. Ohtani, S., T. A. Potemra, P. T. Newell, L. J. Zanetti, T. Iijima, M. Watanabe, L. G. Blomberg, R. D. Elphinstone, J. S. Murphree, M. Yamauchi, and J. G. Woch, Four large-scale field-aligned current systems in the dayside high-latitude region, J. Geophys. Res., 100, 137-153, 1995.
81. Sibeck, D. G., and P. T. Newell, Interplanetary magnetic field orientation for transient events in the outer magnetosphere, J. Geophys. Res., 100, 175-183, 1995.
82. Sibeck, D. G., and P. T. Newell, Pressure-pulse driven surface waves at the magnetopause: A rebuttal, J. Geophys. Res., 100, 21773-21778, 1995.
83. Velosky, I., P. T. Newell, and A. T. Y. Lui, Pervasive small-scale enhancements in mantle and polar rain precipitation, Geophys. Res. Lett., 22, 3263-3266, 1995.
84. Vo, H. B., J. S. Murphree, D. Hearn, P. T. Newell, and C.-I. Meng, A satellite study of dayside auroral conjugacy, Ann. Geophysicae, 13, 1134-1143, 1995.
85. Wing, S., P. T. Newell, D. G. Sibeck, and K. B. Baker, A large statistical study of the entry of interplanetary magnetic field Y-component into the magnetosphere, Geophys. Res. Lett., 22, 2083-2086, 1995.
86. Xu, D., M. G. Kivelson, R. J. Walker, P. T. Newell, and C.-I. Meng, Interplanetary magnetic field control of mantle precipitation and associated field–aligned currents, J. Geophys. Res., 100, 1837-1846, 1995.
1996
87. Hones, E. W., M. F. Thomsen, G. D. Reeves, L. A. Weiss, D. J. McComas, and P. T. Newell, Observational determination of magnetic connectivity of the geosynchronous region of the magnetosphere to the auroral oval, J. Geophys. Res., 101, 2629-2640, 1996.
88. Kan, J. R., C. S. Deehr, L. H. Lyu, and P. T. Newell, Ionospheric signatures of patchy-intermittent reconnection at dayside magnetopause, J. Geophys. Res., 101, 10939-10945, 1996.
89. Newell, P. T., K. M. Lyons, and C.-I. Meng, A large survey of electron acceleration events, J. Geophys. Res., 101, 2599-2614, 1996.
90. Newell, P. T., Y. I. Feldstein, Yu. I. Galperin, and C.-I. Meng, The morphology of nightside precipitation, J. Geophys. Res., 101, 10737-10748, 1996.
91. Newell, P. T., and D. G. Sibeck, The case for quasi-steady models in describing the physics of dayside merging, Eos (invited debate) 77, 246, 1996.
92. Newell, P. T., C.-I. Meng, and K. M. Lyons, Discrete aurorae are suppressed in sunlight, Nature, 381, 766-767, 1996.
93. Ohtani, S., L. G. Blomberg, P. T. Newell, M. Yamauchi, T. A. Potemra, and L. J. Zanetti, Altitudinal comparison of dayside field-aligned current signatures by Viking and DMSP-F7: intermediate-scale field-aligned current systems, J. Geophys. Res., 101, 15297-15310, 1996.
94. Sibeck, D. G., and P. T. Newell, Reply, J. Geophys. Res., 101, 13351-13352, 1996.
95. Troshichev, O. A., E. M. Shishkina, C.-I. Meng, and P. T. Newell, Identification of the poleward boundary of the auroral oval using characteristics of ion precipitation, J. Geophys. Res., 101, 5035-5046, 1996.
96. Wing, S., P. T. Newell, and T. G. Onsager, Modeling the entry of magnetosheath electrons into the dayside ionosphere, J. Geophys. Res., 101, 13155-13167, 1996.
1997
97. Newell, P. T., Xu, D., C-I. Meng, and M. G. Kivelson, The dynamical polar cap: a unifying approach, J. Geophys. Res., 102, 127-139, 1997.
98. Dryud, L. P., M. J. Engebretson, J. L. Posch, W. J. Hughes, H. Fukunishi, R. L. Arnoldy, P. T. Newell, and R. B. Horne, Ground observations and possible source regions of two types of Pc 1-2 micropulsations at very high latitudes, J. Geophys. Res., 102, 27011-27028, 1997.
99. Liou, K., P. T. Newell, C.-I. Meng, A. T. Y. Lui, M. Brittnacher, and G. Parks, Dayside auroral activity as a possible precursor of substorm onsets: a survey using POLAR UVI imagery, J. Geophys. Res., 102, 19835-19844, 1997.
100. Liou, K., P. T. Newell, C.-I. Meng, M. Brittnacher, and G. Parks, Synoptic auroral distribution: A survey using Polar ultraviolet imagery, J. Geophys. Res., 102, 27197-27205, 1997.
101. Schiffler, A., G. Sofko, P. T. Newell, and R. A. Greenwald, Mapping the outer LLBL with SuperDARN double-peaked spectra, Geophys. Res. Lett.,24, 3149-3152, 1997.
102. Sergeev, V. A., G. R. Bikkuzina, and P. T. Newell, Dayside isotropic precipitation of energetic protons, Annales Geophys., 15, 1233-1245, 1997.
103. Sotirelis, T., P. T. Newell, and C.-I. Meng, Polar rain as a diagnostic of rapid dayside merging, J. Geophys. Res. 102, 7151-7157, 1997.
104. Yahnin, A. G., V. G. Vorobjev, T. Bösinger, R. Rasinkangas, D. G. Sibeck, and P. T. Newell, On the source region of traveling convection vortices, Geophys. Res. Lett., 24, 237-240, 1997.
1998
105. Newell, P. T., and S. Wing, Entry of solar wind plasma into the magnetosphere: observations encounter simulation, Geospace Mass and Energy Flow: Results from the ISTP Program, Geophys. Mono. 104, 73-84, American Geophysical Union, 1998.
106. Newell, P. T., V. A. Sergeev, G. R. Bikkuzina, and S. Wing, Characterizing the state of the magnetosphere: testing the ion precipitation maxima latitude (b2i) and the ion isotropy boundary, J. Geophys. Res., 103, 4739-4745, 1998.
107. Newell, P. T., and C.-I. Meng, Open and closed low latitude boundary layer, 91-101, in Polar Cap Boundary Phenomena, J. Moen et al. editors, Kluwer Publisher, Dordrecht, 1998.
108. Newell, P. T., C.-I. Meng and S. Wing, Relation to solar activity of intense aurorae in sunlight and darkness, Nature, 393, 342-344, 1998.
109. Newell, P. T., New findings about auroras confirm importance of ionosphere in space weather, EOS, 79, 627-628, 1998.
110. Newell, P. T., K. Liou, S. Wing, and C.-I. Meng, Ionospheric conductivity and the formation of auroral arcs: a review with an emphasis on solar cycle effects, in Substorms-4, edited by S. Kokubun and Y. Kamide, p. 41-46, Terra Scientific Publishing Company, Tokoyo, 1998.
111. Liou, K., P. T. Newell, C.-I. Meng, M. Brittnacher, and G. Parks, Characteristics of the solar wind controlled auroral emissions, J. Geophys. Res., 103, 17543-17557, 1998.
112. Liou, K., C.-I. Meng, A. T. Y. Lui, P. T. Newell, M. Nosé, M. Brittnacher, and G. Parks, A fresh look at substorm onset identifiers, in Substorms-4, edited by S. Kokubun and Y. Kamide, p. 249-252, Terra Scientific Publishers, Tokoyo, 1998.
113. Lui, A. T. Y., K. Liou, P. T. Newell, C.-I. Meng, S.-I. Ohtani, T. Mukai, T. Yamamoto, T. Ogino, S. Kokubun, M. J. Brittnacher, and G. K. Parks, Plasma sheet behavior associated with auroral breakups, in Substorms-4, edited by S. Kokubun and Y. Kamide, p. 183-186, Terra Scientific Publishers, Tokoyo, 1998.
114. Lui, A. T. Y., D. J. Williams, R. W. McEntire, S. Ohtani, L. J. Zanetti, W. A. Bristow, R. A. Greenwald, P. T. Newell, S. P. Christon, T. Mukai, K. Tsuruda, T. Yamamoto, S. Kokubun, H. Matsumoto, H. Kojima, T. Murata, D. H. Fairfield, R. P. Lepping, J. C. Samson, G. Rostoker, G. D. Reeves, A. L. Rodger, and H. J. Singer, Multipoint study of a substorm on February 9, 1995, J. Geophys. Res., 103, 17333-17343, 1998.
115. Lui, A. T. Y., D. J. Williams, R. W. McEntire, S. Ohtani, L. J. Zanetti, W. A. Bristow, R. A. Greenwald, P. T. Newell, S. P. Christon, T. Mukai, K. Tsurada, T. Yamamoto, S. Kokubun, H. Matsumoto, H. Kojima, T. Murata, D. H. Fairfield, R. P. Lepping, J. C. Samson, G. Rostoker, G. D. Reeves, A. L. Rodger, and H. J. Singer, Study of an isolated substorm with ISTP data, Geospace Mass and Energy Flow: Results from the International Solar-Terrestrial Physics Program, AGU Monograph 104, 261-274, 1998.
116. Lui, A. T. Y., M. J. Brittnacher, S. P. Christon, T. E. Eastman, S. Kokubun, K. Liou, R. W. McEntire, C.-I. Meng, P. T. Newell, G. K. Parks, T. Yamamoto, and D. J. Williams, Ionospheric signature of a magnetic flux rope in the magnetotail, Geophys. Res. Lett., 25, 3733-3736, 1998.
117. Lui, A. T. Y., K. Liou, P. T. Newell, C.-I. Meng, S.-I. Ohtani, T. Ogino, S. Kokubun, M. J. Brittnacher, G. K. Parks, Plasma and magnetic flux transport associated with auroral breakups, Geophys. Res. Lett., 25, 4059-4062, 1998.
118. Sergeev, V. A., L. I. Vagina, K. Kauristie, H. Koskinen, A. Huuskonen, A. Pajunpaa, R. Pellinen, T. Phan, V. Angelopoulos, R. P. Lin, R. P. Lepping, G. D. Reeves, and P. T. Newell, Continuous activity and substorm activations during a weak magnetic storm (WIND tail passage), in Substorms-4, edited by S. Kokubun and Y. Kamide, p. 681-684, Terra Scientific Publishing Company, Tokoyo, 1998.
119. Sotirelis, T., P. T. Newell, and C.-I. Meng, The shape of the open-closed boundary of the polar cap as determined from observations of precipitating particles by up to four DMSP satellites, J. Geophys. Res. 103, 399-406, 1998.
120. Wing, S., and P. T. Newell, Central plasma sheet ion properties as inferred from ionospheric observations, J. Geophys. Res., 103, 6785-6800, 1998.
121. Watanabe, M., T. Iijima, M. Nakagawa, T. A. Potemra, L. J. Zanetti, S.-I. Ohtani, and P. T. Newell, Field-aligned current systems in the magnetospheric ground state, J. Geophys. Res., 103, 6853-6869, 1998.
1999
122. Newell, P. T., K. Liou, C.-I. Meng, M. J. Brittnacher, and G. Parks, Dynamics of double-theta aurora: Polar UVI study of January 10-11, 1997, J. Geophys. Res., 104, 95-104, 1999.
123. Greenwald, R. A., S. A. Lloyd, P. T. Newell, L. J. Paxton, and J.-H. Yee, Advancing our understanding of the atmosphere and ionosphere using remote sensing techniques, Johns Hopkins APL Technical Digest, 20, 587-599, 1999.
124. Kauristie, K., J. Weygand, T. I. Pulkkinen, J. S. Murphree, and P. T. Newell, Size of the auroral oval: UV ovals and precipitation boundaries compared, J. Geophys. Res., 2321-2331, 1999.
125. Liou, K., P. T. Newell, C.-I. Meng, T. Sotirelis, M. Brittnacher, and G. Parks, The source region of 1500 MLT auroral bright spots: Simultaneous Polar UV-images and DMSP particle data, J. Geophys. Res., 104, 24587-24602 1999.
126. Liou, K., C.-I. Meng, T. Y. Lui, P. T. Newell, M. Brittnacher, G. D. Reeves, R. R. Anderson, and K. Yumoto, On relative timing in substorm onsets, J. Geophys. Res., 104, 22807-22817, 1999.
127. Sergeev, V. A., K. Liou, C.-I. Meng, P. T. Newell, M. Brittnacher, G. Parks, and G. D. Reeves, Development of auroral streamers in association with localized impulsive injections to the inner magnetotail, Geophys. Res. Lett., 26, 417-420, 1999.
128. Sotirelis, T., P. T. Newell, C.-I. Meng, and M. Hairston, Low-altitude signatures of magnetotail reconnection, J. Geophys. Res., 104, 17311-17321, 1999.
129. Vorobjev, V. G., O. I. Yagodkina, D. G. Sibeck, and P. T. Newell, Daytime high-latitude auroral pulsations: some morphological features and the region of the magnetospheric source, J. Geophys. Res., 104, 10135-10144, 1999.
2000
130. Newell, P. T., Reconsidering the inverted-V particle signature: Relative frequency of large-scale electron acceleration events, J. Geophys. Res., 105, 15779-15794, 2000.
131. Newell, P. T., and S. Wing, Remotely imaging the plasma sheet with low-altitude satellite clusters, J. Atmosph. Solar Terr. Phys., 62, 851-863, 2000.
132. Newell, P. T., An auroral signature decoded, Nature, 408, 42-43, 2000.
133. Newell, P. T., Reply, Eos, Trans. Amer. Geophys. U., 81, 69, 2000.
134. Baker, J. B., C.R. Clauer, A. J. Ridley, V. O. Papitashvilli, M. J. Brittnacher, and P. T. Newell, The nightside poleward boundary of the auroral oval as seen by DMSP and the Ultraviolet Imager, J. Geophys. Res., 105, 21267-21280, 2000.
135. Carbary, J. F., K. Liou, A. T. Y. Lui, P. T. Newell, and C.-I. Meng, “Blob” analysis of auroral substorm dynamics, J. Geophys. Res., 105, 16083-16091, 2000.
136. Liou, K., C.-I. Meng, P. T. Newell, K. Takahashi, S.-I. Ohtani, A. T. Y. Lui, M. Brittnacher, and G. Parks, Evaluation of low-latitude Pi2 pulsations as indicators of substorm onset using Polar ultraviolet imagery, J. Geophys. Res., 105, 2495-2505, 2000.
137. Liou, K., C.-I. Meng, A. T. Y. Lui, P. T. Newell, and R. R. Anderson, Auroral kilometric radiation at substorm onset, J. Geophys. Res., 105, 25325-25331, 2000.
138. Lui, A. T. Y., S. C. Chapman, K. Liou, P. T. Newell, C.-I. Meng, M. Brittnacher, and G. K. Parks, Is the dynamic magnetosphere an avalanching system?, Geophys. Res. Lett., 27, 911-914, 2000.
139. Lui, A. T. Y., K. Liou, P. T. Newell, C.-I. Meng, S. Ohtani, R. W. McEntire, N. J. Fox, R. P. Lepping, W. R. Patterson, J. B. Sigwarth, L. A. Frank, S. Kokubun, G. K. Parks, T. Moretto, K. Yumoto, Conjunction of tail satellites for substorm study: ISTP Event of 1997 January 2, Geophys. Res. Lett., 27, 1831-1834, 2000.
140. Sergeev, V. A., J.-A. Sauvaud, D. Popescu, R. A. Kovrazhkin, K. Liou, P. T. Newell, M. Brittnacher, G. Parks, R. Nakamura, T. Mukai, and G. D. Reeves, Multiple-spacecraft observation of a narrow transient plasma jet in the Earth’s plasma sheet, Geophys. Res. Lett., 22, 851-854, 2000.
141. Sotirelis, T., and P. T. Newell, Boundary-oriented electron precipitation model, J. Geophys. Res., 105, 18655-18673, 2000.
142. Ohtani, S., P. T. Newell, and K. Takahashi, Dawn-dusk profile of field-aligned currents on May 11, 1999: A familiar pattern driven by an unusual cause, Geophys. Res. Lett., 27, 3777-3780, 2000.
143. Ohtani, S., T. Higuchi, T. Sotirelis, and P. T. Newell, Disappearance of large-scale field-aligned current systems: implications for the solar wind-magnetosphere coupling, Magnetospheric Current Systems, American Geophysical Union Monograph 118 edited by S. Ohtani and R. Fujii, 253-259, 2000.
144. Wing, S. and P. T. Newell, Quiet time plasma sheet ion pressure contribution to Birkeland currents, 105, 7793-7802, J. Geophys. Res., 2000.
2001
145. Newell, P. T., R. A. Greenwald, and J. M. Ruohoniemi, The role of the ionosphere in aurora and space weather, Rev. Geophys., 39, 137-149, 2001.
146. Newell, P. T., C.-I. Meng, T. Sotirelis, and K. Liou, Polar Ultraviolet Imager observations of global auroral power as a function of polar cap size and magnetotail stretching, J. Geophys. Res., 106, 5895-5905, 2001.
147. Newell, P. T., K. Liou, T. Sotirelis, and C.-I. Meng, Auroral power during substorms: A Polar UVI based superposed epoch analysis, (in press), J. Geophys. Res., 2001.
148. Liou, K., P. T. Newell, and C.-I. Meng, Seasonal effects on auroral particle acceleration and precipitation, J. Geophys. Res., 106, 5531-5542, 2001.
149. Liou, K., P. T. Newell, D. G. Sibeck, C.-I. Meng, M. Brittnacher, and G. Parks, Observation of IMF and seasonal effects in the location of auroral substorm onset, J. Geophys. Res., 106, 5799-5810, 2001.
150. Liou, K. C.-I. Meng, P. T. Newell, A. T. Y. Lui, G. D. Reeves, and R. D. Belian, Particle injections with auroral expansions, J. Geophys. Res., 106, 5895-5906, 2001.
151. Shue, J.-H., P. T. Newell, K. Liou, and C.-I. Meng, Influence of interplanetary magnetic field on global auroral patterns, submitted to J. Geophys. Res., 2000.
152. Shue, J.-H., P. T. Newell, K. Liou, and C.-I. Meng, The quantitative relationship between auroral brightness and solar EUV Pedersen conductance, J. Geophys. Res., 106, 5883-5894, 2001.
153. Sergeev, V. A., M. V. Kubyshkina, K. Liou, P. T. Newell, G. Parks, R. Nakamura, T. Mukai, and A. G. Yahnin, Substorm and convection bay compared: Auroral and magnetotail dynamics during convection bay”, (in press), J. Geophys. Res., 2001.
154. C.-I. Meng, K. Liou, and P. T. Newell, Asymmetric sunlight effect on dayside/nightside auroral precipitation, Phys. Chem. Earth (C) 26, 43-47, 2001.
155. Lyatsky, W., P. T. Newell, and A. Hamza, Solar illumination as cause of the equinoctial preference for geomagnetic activity, (in press), Geophys. Res. Lett., 2001.
Grant History
Principal Investigator:
NASA Grant NAG5-9558, “Solar cyle UV variation influence on substorm auroral surges”, $50K/total, 5/00 – 5/2001.
AFOSR Grant, “Accurate now-casting of near-Earth space weather conditions,” F49620-00-1-0172, $420K total, 2/00-1/03.
NSF Grant ATM-9909258, “Boundary-oriented precipitation model: Toward developing instantaneous representation of global precipitation”, $223K total, 3/00-2/03.
NASA Grant NAG5-8036, “Auroral global and multi-scale investigations using Polar images”, $51K total, 1/99 to 1/00.
NSF Grant ATM-9729183, “Magnetospheric States and State Transitions”, $240K total, 2/15/98 to 2/14/01.
NASA Grant NAGW-4525, (SR&T, ITM) “Plasma Pressure in the Topside Ionosphere”, $33K, 4/98 to 3/99.
NSF Grant ATM-9531767, “GEM: Monitoring the magnetosphere from nightside precipitation characteristics, and various collaborations”, $70K total 6/15/96 through 6/14/98.
NSF Grant ATM-9531489, “Diffuse Aurora: Analytical Behavior and Practical Data Base Including Ionospheric Conductivity” 9/1/96-8/31/99, $59.5K/year
NSF Grant ATM-9300866: "GEM: Distribution of ionospheric potential, its implications for Solar Wind/magnetosphere coupling, and various colloborations", 60K & 65K (4/94-3/96)
NASA Grant 91-SSI-SR&T-62 "An Empirical Model of Ionospheric Mapping Based on Magnetospheric Precipitation Sources", 1/92 through 12/94, $60K the first year; $65K and 70K in the second and third years.
NASA Grant NAGW-4424 (SR&T, ITM), "Pressure Profiles of the Magnetosphere as Reflected in Ionospheric Observations", $63K/year, 4/1/95 to 4/1/98.
NSF Grant ATM-9202053 "The Frequency, Intensity, and Local Time Distribution of Auroras", $60K/yr for 2 years; 9/1/92-9/31/94.
NSF Grant ATM-9108193: "A GEM Proposal: Mapping the Magnetosphere to the Ionosphere and Various International Collaborations" 95K 9/91 through 8/93
Co-investigator (Ching-I. Meng, PI):
{Only grants actively managed by P. Newell are included}
NSF Grant ATM-9819805, “Auroral dynamics in relation to magnetospheric process”, 3/00 – 2/03, 226.6K/total.
NASA Grant NAG 5-7724, “Quantitative magnetospheric dynamics from Polar UV and visible imagers”, $260K/year, 10/98-9/01
NSF Grant ATM-9322435
"Magnetospheric Morphology and Dynamics: Theoretical and Observational Investigations", 120K/year, 3/95-2/98
NASA Grant NAG 5-3187
“Investigating Magnetospheric Dynamics with the Polar Satellite UV and Visible Imagers”
$492,400/year from April 1, 1996 through March 31, 1998
AFOSR Grant F49620-96-1-0009, Magnetospheric morphology and dynamics: specification of the near-Earth operational environment, $681,700 total, 2/96 through 12/98