Publikationer 1998

Böcker

Sandahl, I., Norrsken – Budbärare från rymden, Stockholm: Atlantis,1998.

Expertgranskade rapporter

André, M., P. Norqvist, L. Andersson, L. Eliasson, A. I. Eriksson, L. Blomberg, R. E. Erlandson,and J. Waldemark, Ion energization mechanisms at 1700 km in the auroral region, J. Geophys. Res., 103, 4199-4222, 1998.

Aso, T., M. Ejiri, A. Urashima, H. Miayoka, Å. Steen, U. Brändström, and B. Gustavsson, First results of auroral tomography from ALIS-Japan multi-station observations in March, 1995, Earth Planets Space, 50, 81-86, 1998.

Barabash, V., P. Chilson, S. Kirkwood, A. Réchou, and K. Stebel, Investigations of the possible relationship between PMSE and tides using a VHF MST radar, Geophys. Res. Lett., 25, 3297-3300, 1998.

Barabash, S., O. Norberg, R. Lundin, S. Olsen, K. Lundin, P. C:son Brandt, E. C. Roelof, C. Chase, and B. Mauk, Energetic neutral atom imager on the Swedish microsatellite Astrid, AGU monograph, Measurement Techniques in Space Plasma, 103, 257-262, 1998.

Blagoveshchenskaya, N. F., V. A. Kornienko, B. Rietveld, B. Thidé, A. Brekke, I. V. Moskvin, and S. Nozdrachev, Stimulated emissions around second harmonic of Tromsø heater frequency observed by long-distance diagnostic HF tools, Geophys. Res. Lett., 25, 873-876, 1998.

Budnick, E., A. Fedorov, and I. Sandahl, First results from mass-spectrometer PROMICS-3 in INTERBALL project (Auroral Probe), Kosm. Issl., 36, 73-85, 1998. English edition Cosmic Research, 36, 68-80, 1998.

Chust, T., P. Louarn, M. Volwerk, H. de Feraudy, A. Roux, J.-E. Wahlund, and B. Holback, Electric fields with a large parallel component observed by the Freja spacecraft: Artifacts or real signals? J. Geophys. Res., 103, 215-224, 1998.

Eklund, U., High altitude cusp and magnetosheath in-situ measurements, Licentiate thesis, IRF Scientific report 249, December 1998.

Forme, F., D. Fontaine, and M. A. L. Persson, Large perpendicular velocity fluctuations observed in the topside ionosphere, J. Geophys. Res., 103, 4001-4009, 1998.

Gustavsson, B., Tomographic inversion for ALIS noise and resolution, J. Geophys. Res., 103, 26621-26632, 1998.

Holmström, M., and J. Walden, Adaptive wavelet methods for hyperbolic PDEs, Journal of Scientific Computing, 1(13):19-49, Plenum, 1998.

Istomin, Y. N., and T. B. Leyser, Parametric interaction of self-localized upper hybrid states in quantized plasma density irregularities, Phys. Plasmas, 5 (4), 921-931, 1998.

Janhunen, P., and A. Olsson, The current-voltage relationship revisited: Exact and approximate formulas with almost general validity for hot magnetospheric electrons for bi-Maxwellian and kappa distributions, Ann. Geophysicae, 16, 292-297, 1998.

Kirkwood, S., V. Barabash, P. Chilson, A. Réchou, K. Stebel, P. Espy, G. Witt, and J. Stegman, The 1997 PMSE season – its relation to wind, temperature and water vapour, Geophys. Res. Lett., 25, 1867-1870, 1998.

Kirkwood, S., and A. Réchou, Planetary-wave modulation of PMSE, Geophys. Res. Lett., 25, 4509-4512, 1998.

Kjus, S. H., H. L. Pecseli, B. Lybekk, J. Holtet, J. Trulsen, H. Luehr, and A. I. Eriksson, Statistics of the lower hybrid cavities detected by the Freja satellite, J. Geophys. Res., 103, 26633-26647, 1998.

Knudsen, D. J., and J.-E. Wahlund, Core ion flux bursts within solitary kinetic Alfvén waves, J. Geophys. Res., 103, 4157-4169, 1998.

Knudsen, D. J., J. H. Clemmons, and J.-E. Wahlund, Correlation between core ion energization, suprathermal electron bursts, and broadband ELF plasma waves, J. Geophys. Res., 103, 4171-4186, 1998.

Knudsen, D. J., P. O. Dovner, A. I. Eriksson, and K. A. Lynch, Effect of lower hybrid cavities on core plasma observed by Freja, J. Geophys. Res., 103, 4241-4249, 1998.

Laakso, H. D., H. Fairfield, M. R. Collier, H. J. Opgenoorth, T. D. Phan, D. G. Sibeck, B. L. Giles, H. J. Singer, R. P. Lepping, R. P. Lin, F. S. Mozer, R. F. Pfaff, K. Tsuruda, and J. R. Wygant, Oscillations of magnetospheric boundaries driven by IMF rotations, Geophys. Res. Lett., 25, 3007-3010, 1998.

Lundin, R., From mini- to nanosatellites: Intelligence in space science, invited paper, Proceedings of the second workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 13-18, 1998.

Lundin, R., G. Haerendel, and S. Grahn, The Freja Mission, J. Geophys. Res., 103, 4119-4123, 1998.

Lundstedt, H., Lund Space Weather Model: Status and future plans, invited presentation, in Proceedings of the second workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 107-112, 1998.

Marklund, G. T., L. G. Blomberg, T. Karlsson, P.-A. Lindqvist, C.-G. Fälthammar, M. Johnson, J. S. Murphree, L. Andersson, L. Eliasson, H. J. Opgenoorth, and L. J. Zanetti, Observations of the electric field fine structure associated with the westward traveling surge and large-scale auroral spirals, J. Geophys. Res., 103, 4125-4144, 1998.

Mäkelä, J. S., A. Mälkki, H. Koskinen, M. Boehm, B. Holback, and L. Eliasson, Observations of the mesoscale auroral plasma cavity crossings with the Freja satellite, J. Geophys. Res., 103, 9391-9404, 1998.

Möbius, E., L. M. Kistler, M. A. Popecki, K. N. Crocker, M. Granoff, Y. Jiang, E. Sartori, V. Ye, H. Réme, J. A. Sauvaud, A. Cros, C. Aoustin, T. Camus, J.-L. Médale, J. Rouzaud, C. W. Carlson, J. P. McFadden, D. Curtis, H. Heetderks, J. Croyle, C. Ingraham, B. Klecker, D. Hovestadt, M. Ertl, F. Eberl, H. Kästle, E. Künneth, P. Laeverenz, E. Seidenschwang, E. G. Shelley, D. M. Klumpar, E. Hertzberg, G. K. Parks, M. McCarthy, A. Korth, H. Rosenbauer, B. Gräve, L. Eliasson, S. Olsen, H. Balsiger, U. Schwab, and M. Steinacher, The 3-D plasma distribution function analyzers with time-of-flight mass discrimination for Cluster, FAST, and Equator-S, in R.F. Pfaff (ed.), Measurement Techniques in Space Plasmas: Particles, Geophysical Monograph 102, American Geophysical Union, 243-248, 1998.

Nairn, C. M. C., B. M. Annaratone, and J. E. Allen, On the theory of spherical probes and dust grains, Plasma Sources Sci.Technol., 7, 478-490, 1998.

Nilsson, H., S. Kirkwood, and T. Moretto, Incoherent scatter radar observations of the cusp acceleration region and cusp field-aligned currents, J. Geophys. Res., 103, 26721-26730, 1998.

Norberg, O., Hot plasma measurements in the Earth and Mars environments, Doctoral Thesis, IRF Scientific Report 247, 1998.

Norberg, O., M. Yamauchi, R. Lundin, S. Olsen, H. Borg, S. Barabash, M. Hirahara, T. Mukai, and H. Hayakawa, The ion mass imager on the Planet-B spacecraft, Earth Planets Space, 50, 199-205, 1998.

Olsson, A., and P. Janhunen, Field-aligned conductance values estimated from Maxwellian and kappa distributions in quiet and disturbed events using Freja electron data, Ann. Geophysicae, 16, 298-302, 1998.

Olsson, A., L. Andersson, A. I. Eriksson, J. Clemmons, R. E. Erlandsson, G. Reeves, T. Huges, and J. S. Murphee, Freja studies of the current-voltage relation in substorm-related events, J. Geophys. Res., 103, 4285-4301, 1998.

Pellinen-Wannberg, A., A. Westman, G. Wannberg, and K. Kaila, Meteor fluxes and visual magnitudes from EISCAT radar event rates: A comparison with cross section based magnitude estimates and optical data, Ann. Geophysicae, 116, 1475-1485, 1998.

Petrukovich, A. A., V. A. Sergeev, L. M. Zelenyi, T. Mukai, S. Kokubun, T. Yamamoto, S. Kokubun, K. Shiokawa, C. S. Deehr, E. Yu. Budnick, J. Büchner, A. O. Fedorov, V. Grigoreva, T. J. Hughes, N. F. Pissarenko, S. A. Romanov, and I. Sandahl, Two spacecraft observations of a reconnection pulse during an auroral breakup, J. Geophys. Res., 103, 47-59, 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, G. D. Reeves, and M. Lester, Two substorm intensifications compared: Onset, expansion and global consequences, J. Geophys. Res., 103, 15-28, 1998.

Raffalski, U., U. Klein, B. Franke, J. Langer, B.-M. Sinnhuber, J. Trentmann, K. F. Künzi, O. Schrems, Groundbased millimeter-wave observations of Arctic chlorine activation during winter and spring 1996/97, Geophys. Res. Lett., 25, 3331-3334, 1998.

Sandahl, I., H. E. J. Koskinen, A. M. Mälkki, T. I. Pulkkinen, E. Yu. Budnik, A. Fedorov, L. A. Frank, J. B. Sigwarth, Dispersive magnetosheath-like ion injections in the evening sector on January 11, 1997, Geophys. Res. Lett., 25, 2569-2572, 1998.

Stasiewicz, K., G. Holmgren, and L. Zanetti, Density depletions and current singularities observed by Freja, J. Geophys. Res., 103, 4251-4260, 1998.

Stasiewicz, K., and T. Potemra, Multiscale current structures observed by Freja, J. Geophys. Res., 103, 4315-4325, 1998.

Tsyganenko, N. A., S. B. P. Karlsson, S. Kokobun, T. Yamamoto, A.J . Lazarus, K. W. Ogilvie, C. T. Russell, and J. A. Slavin, Global configuration of the magnetotail current sheet as derived from Geotail, Wind, IMP8 and ISEE1/2 data, J. Geophys. Res., 103, 6827-6841, 1998.

Wahlund, J. E., A. I. Eriksson, B. Holback, M. H. Boehm, J. Bonnell, P. M. Kintner, C. E. Seyler, J. H. Clemmons, L. Eliasson, D.J. Knudsen, P. Norqvist, and L. J. Zanetti, Broadband ELF plasma emission during auroral energization. 1. Slow ion acoustic waves, J. Geophys. Res., 103, 4343-4375, 1998.

Wu, J.-G., H. Lundstedt, P. Wintoft, and T. R. Detman, Neural network models predicting the magnetospheric response to the 1997 January halo-CME event, Geophys. Res. Lett., 25, 3031-3034, 1998. http://www.geophys.washington.edu/Space/GRL/articles/25/15/3121wu

Yamauchi, M., and J.-E. Wahlund, Possible roles of the geomagnetic field and plasma state on the right-handed nature of DNA and homochirality of biomolecules, Viva Origino, 26, 177-192, 1998.

Icke-citerade rapporter

Andersson, L., O. Norberg, L. Eliasson, J.-G. Wu, H. Lundstedt, and P. Wintoft, Prediction of anomalies on geostationary satellites, Proceedings of Second International Workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 213-217, 1998.

Arvelius, J., Solar variation signals in the Earth’s atmosphere – a study using neural networks, Report of a masters project, IRF/University of Lund, June, 1998.

Aso, T., M. Ejiri, A. Urashima, H. Miyaoka, Å. Steen, U. Brändström, and B. Gustavsson, Auroral tomography analysis of a folded arc observed at the ALIS-Japan multi-station campaign on March 26, 1995, Proceedings NIPR Symp. Upper Atmos. Phys., 11, 1-10, 1998.

Barabash, V., P. B. Chilson, S. Kirkwood, A. Réchou, and K. Stebel, MST radar observations of PMSE in Northern Scandinavia during May-August 1997, Proceedings of the 8th International Workshop on Technical and Scientific Aspects of MST Radar, 330-333, 1998.

Barabash, S., and R. Lundi, (eds.), Workshop on Energetic Neutral Atom Imaging of the Martian Environment, Kiruna, Sweden, September 2-3, 1998, IRF Scientific Report 248, 1998.

Blumenstock, T., S. Fietze, H. Fischer, M. Richter, G. Stiller, P. Thomas, A. Meier, and H. Nakajima, Time series of HNO3 columns amounts as measured by ground-based FTIR spectroscopy at Kiruna (Sweden) in winter 1995/96 and 1996/97, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 411-414, 1998.

Boström, R., E. Brändas, and S. Kullander, Promoting University-Industry links by a new type of PhD education: The AIM Graduate School, Proceedings of an International Conference ”Academic and Industrial Cooperation in Space Research”, Vienna, Austria, 4-6 November 1998, ESA SP-432, 181-189, 1998.

Boström, R., Voltage drops along auroral magnetic field lines on small and large scale, in T. Chang, and J. R. Jasperse (eds), Proceedings of the 1998 Cambridge Symposium/Workshop in Geoplasma Physics on Multiscale Phenomena in Space Plasmas II, Physics of Space Plasmas, nr 15, 37-42, 1998.

Chilson, P. B., D. Koschny, A. Knöfel, and G. Schmidt, A comparative investigation of meteor trains near the Earth’s mesopause using radar and video observations, Proceedings of the 24th Annual European Meeting on Atmospheric Studies by Optical Methods, 67-72, 1998.

Chilson, P. B., D. Koschny, A. Knöfel, and G. Schmidt, Observations of the 1996 Geminid meteor shower: A comparison of VHF radar and video observations, Proceedings of the 8th International Workshop on Technical and Scientific Aspects of MST Radar, 326-329, 1998.

Chilson, P. B., S. Kirkwood, and A. Nilsson, Height calibration of ESRAD using balloons and a tracking radar, Proceedings of the 8th International Workshop on Technical and Scientific Aspects of MST Radar, 306-309, 1998.

Chilson, P. B., S. Kirkwood, L. Poromaa, and L. Marcus, An introduction to ESRAD: A new VHF MST radar located at Esrange in Northern Sweden, Proceedings of the 8th International Workshop on Technical and Scientific Aspects of MST Radar, 302-305, 1998.

Danis, F., K. Persson, H. Nilsson, A. D. Robinson, M. P. Chipperfield, J. D. McIntyre, P. G. Simmonds, N. R. P. Harris, J. A. Pyle, Tracer measurements with DESCARTES during ILAS early 1997, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 423-426, 1998.

Eide, Å. J., V. Becanovic, U. Brändström, C. Holmström, M. Larsson, I. M. Lillesand, Th. Lindblad, C. S. Lindsey, Å. Steen, and J. Waldemark, Pulse coupled neural network pre-processing of aurora images, Proceedings of the second workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 201-206, 1998.

Eliasson, L., and R. Lundin, Auroral density cavities, Proceedings of the 4th IPELS conference, Maui, Hawaii, http://www.irf.se/~lars/ipels.html and CD by W. Gekelman and the LAPD-group, 1998.

Eliasson, B., Theoretical and numerical study of nonlinear interaction between electromagnetic waves and space plasma, Diploma Thesis, Department of Space and Plasma Physics, Uppsala University, Uppsala, Sweden, UPTEC, F98 098, November 1998.

Enell, C.-F., Å. Steen, B. Gustavsson, U. Brändström, P. Johansson, T. Wagner, U. Friess,. K. Pfeilsticker, and U. Platt, Studies of polar stratospheric clouds at Kiruna, Proceedings of The 25th Annual European Meeting on Atmospheric Studies by Optical Methods, Granada, Spain, 21-25 September, 1998, 130-134, 1998.

Enell, C.-F., Å. Steen, T. Wagner, C. Otten, K. Pfeilsticker, and U. Platt, UV/visible DOAS measurements at Kiruna, Proceedings of the 24th Annual European Meeting on Atmospheric Studies by Optical Methods, 155-160, 1998.

Enell, C.-F., C. Otten, U. Platt, Å. Steen, T. Wagner, and K. Pfeilsticker, O3, NO2, OClO, and BrO stratospheric column amount measurements at Kiruna/Sweden in the Arctic winter 1996/97, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 431-434, 1998.

Eriksson, A. I., Spectral Analysis, ISSI scientific report SR-001, Analysis Methods for Multi-Spacecraft Data, eds. G. Paschmann, and P. W. Daly, 5-42, 1998.

Fedorov, A., E. Budnick, R. Lundin, and I. Sandahl, The LLBL-driven substorm? Storm-time substorm study http://worsta.iki.rssi.ru/Oct22/Oct22_new.html

Fricke, K. H., K. P. Müller, M. Serwazi, J. Reichardt, S. Kirkwood, Å. Steen, P. Hoffmann, H. Mehrtens, A. Hauchecorne, F. Fierli, U. P. Hoppe, and G. Hansen, Wind generated polar stratospheric clouds: The case of January 16, 1997 above Northern Scandinavia, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 127-130, 1998.

Gleisner, H., and H. Lundstedt, Neural network models of solar wind-auroral electrojet relations, Proceedings of the second workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 189-194, 1998.

Hultqvist, B., Den nära rymden, Kungl. Skytteanska sällskapets jubileumsbok: Vetenskapliga rymden, Stockholm: Carlsson, 1998.

Jacksén, Å., The development of the scientific measuring instrument LINDA, a part of the payload on the Swedish micro-satellite Astrid-2, IRF Technical Report 046, 1998.

Kjus, S. H., H. L.Pecseli, B. Lybekk, J. Holtet, J. Trulsen, and A. Eriksson, Solitary waves in the earth’s upper ionosphere, Proceedings from the SOLPHYS (”Solitons and Coherent Structures in Physics and Biology”),1997, Lyngby, Denmark, 1998. http://serv1.imm.dtu.dk/documents/users/mps/SOLPHYS/proceedings/Pecseli/

Kjus, S. H., H. L. Pecseli, B. Lybekk, J. Holtet, J. Trulsen and A. Eriksson, Lower hybrid waves and wave cavitation in the earth’s upper ionosphere, Proceedings of The 24th Annual European Meeting on Atmospheric Studies by Optical Methods, 114-120, 1998.

Laakso, H., H. Opgenoorth, T. Pulkkinen, A. Viljanen, M. Brittnacher, J. A. Slavin, J. W. Gjerloev, N. J. Fox, and R. P. Lepping, Auroral disturbances produced by brief intervals of southward IMF. S. Kokubun, and Y. Kamide (eds), SUBSTORMS-4, International Conference on Substorms-4, Lake Hamana, Japan, March 9-13, 1998, 283-286, 1998.

Lauterbach, U., and A. Meier, ‘Verfahren zur beruehrungslosen Bestimmung der Hochspannung an Roentgenröhren mit einem Si-Halbleiter-Spektrometer’, PTB report PTB-6.52-98-1, Physikalisch Technische Bundesanstalt, Braunschweig, 1998.

Liljeholm, L., and S. Nilsson, ROSETTA Beräkning av en Langmuirprobs massa. Institutet för rymdfysik, Uppsala avd., 1998.

Liszka, L., Extraction of deterministic components from ROSAT X-ray data using a wavelet transform and the principal component analysis. Part I: The method, Steward Observatory Preprints No. 1479, 1998.

Liszka, L., Extraction of deterministic components from ROSAT X-ray data using a wavelet transform and the principal component analysis. Part II: Analysis of random pulses and simulated data, Steward Observatory Preprints No. 1480, 1998.

Liszka, L., A. G. Pacholczyk, and W. W. Stoeger, Extraction of deterministic components from ROSAT X-ray data using a wavelet transform and the principal component analysis. Part III: The data analysis, Steward Observatory Preprints No. 1481, 1998.

Liszka, L , A. G. Pacholczyk, and W. W. Stoeger, Active galactic nuclei. VI. ROSAT variability of Seyfert Galaxies, Steward Observatory Preprints No. 1485, 1998.

Liszka, L., Decomposition of time series, Proceedings of the second workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 71-76, 1998.

Meier, A., T. Blumenstock, and H. Nakajima, Regular isotopic observation of stratospheric ozone and its implications for the ozone formation theory, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 216-219, 1998.

Mishin, V. M., T. I. Saifudinova, L. P. Block, and H. J. Opgenoorth, Existing methods of substorm timing neglect the two stage development of a typical substorm active phase. S. Kokubun, and Y. Kamide (eds), SUBSTORMS-4, International Conference on Substorms-4, Lake Hamana, Japan, March 9-13, 1998, 87-90, 1998.

Opgenooth, H. J., and R. P. Pellinen, The reaction of the global convection electrojets to the onset and expansion of the substorm current wedge. S. Kokubun, and Y. Kamide (eds), SUBSTORMS-4, International Conference on Substorms-4, Lake Hamana, Japan, March 9-13, 1998, 663-668, 1998.

Persson, K., H. Nilsson, S. Kirkwood, A. Réchou, and P. Chilson, Time sections of frontal passages seen in the MST radar signal compared with ozone data, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 66-69, 1998.

Petitdidier, M., K. Ramage, P. B. Chilson, and C. W. Ulbrich, Wave and turbulence activity above a tropical thunderstorm, Proceedings of the 8th International Workshop on Technical and Scientific Aspects of MST Radar, 224-226, 1998.

Raffalski, U., Observation of stratospheric trace gases over Ny-Ålesund, Spitsbergen, using a groundbased microwave-radiometer, Reports on Polar Research, Alfred-Wegener-Institute for Polar- and Marine Research (278), Bremerhaven, Germany, 1998.

Réchou, A., V. Barabash, P. Chilson, S. Kirkwood, T. Savitskaja, and K. Stebel, ESRAD MST radar analysis of the waves, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 70-73, 1998.

Rydesäter, P., Å. Steen, U. Brändström, B. Gustavsson, J. Waldemark, and T. Lindblad, Application of selective imaging techniques to multi-station imaging, Proceedings of the second workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 195-199, 1998.

Sandahl, I., and E. Jonsson (eds),, Proceedings of Second International Workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 1998.

Steen, Å., KEOPS – A new optical research facility in the Kiruna region, Proceedings of The 25th Annual European Meeting on Atmospheric Studies by Optical Methods, Granada, Spain, 21-25 September, 1998, 108, 1998.

Steen, Å., U. Brändström, B. Gustavsson, T. Aso, and M. Ejiri, OI (846.6 nm) auroral imaging, Proceedings of The 25th Annual European Meeting on Atmospheric Studies by Optical Methods, Granada, Spain, 21-25 September, 1998, 98-102, 1998.

Syrjäsuo, M., T. I. Pulkkinen, R. P. Pellinen, P. Janhunen, K. Kauristie, A. Viljanen, H. J. Opgennorth, P. Karlson, S. Wallman, P. Eglitis, E. Nielsen, and C. Thomas, Observations of substorm electrodynamics using the MIRACLE network. S. Kokubun, and Y. Kamide (eds), SUBSTORMS-4, International Conference on Substorms-4, Lake Hamana, Japan, March 9-13, 1998, 111-114, 1998.

Wahlund, J.-E., J. Bergman, and R. Karlsson, Ch. 5, Subsystem Outreach Activities. LunarSat Phase B Report, Volume 2, ESA, 1998.

Wahlund, J.-E., P. Hyvönen, R. Karlsson, S. Wallander, F. Primdahl, J.-P. Lebreton, M. Rataj, R. Riemann, and H. Hoffman, Ch 20, Baseline Payload &Payload Options, LunarSat Phase B Report, Volume 1, ESA, 1998.

Widell, O., and S. Kirkwood, ESRAD, Information Brochure.

Wintoft, P., and H. Lundstedt, Identification of geoeffective solar wind structures with self-organized maps, Proceedings of the second workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 151-157, 1998.

Wu, J.-G., H. Lundstedt, P. Wintoft, and T. R. Detman, Space weather forecasting on the 1997 January Halo CME event using neural network models, Proceedings of the second workshop on AI Applications in Solar-Terrestrial Physics, July 29-31, 1997, Lund, Sweden, ESA WPP-148, 145-150, 1998.

Wu, J.-G., H. Lundstedt, L. Eliasson, A. Hilgers, A study of space weather effects on geostationary satellites, in EOS, presented at AGU Fall Meeting, San Francisco, CA, USA, December 6-10, 1998.

Yamauchi, M., R. Lundin, L. Eliasson, S. Ohtani, and J. H. Clemmons, Relationship between large-, meso-, and small-scale field-aligned currents and their current carriers, in J. Moen et al. (eds), Polar Cap Boundary Phenomena, Kluwer Academic Publishers, Netherlands, 173-188, 1998.

Øieroset, M., M. Yamauchi, L. Liszka, and B. Hultqvist, Increase in energetic ion outflow from the ionosphere during substorms: A statistical study, in S. Kokubun and Y. Kamide(eds), Proceedings of International Conference on Substorms-4, Terra Sci. Pub., 63-66, 1998.