Flag icon Flag icon
Chief Engineer

Michael T Rietveld

Management and Staff, Faculty of Science and Technology




Publications in CRIStin


  • Wu, Jun; Wu, Jian; Rietveld, Michael T; Häggström, I.; Xu, Zhengwen; Xang, Yabin; Xu, Tong; Zhao, Haisheng. The intensities of high frequency‐enhanced plasma and ion lines during ionospheric heating. Journal of Geophysical Research (JGR): Space Physics 2019. ISSN 2169-9380.s 603 - 615.s doi: https://doi.org/10.1029/2018JA025918.

  • Borisova, T. D.; Blagoveshchenskaya, N. F.; Rietveld, Michael T; Häggström, I.. Outshifted Plasma Lines Observed in Heating Experiments in the High-Latitude Ionosphere at Pump Frequencies Near Electron Gyroharmonics. Radiophysics and Quantum Electronics 2019; Volum 61 (10). ISSN 0033-8443.s 722 - 740.s doi: 10.1007/s11141-019-09931-8.

  • Kvammen, Andreas; Gustavsson, Björn Johan; Sergienko, Tima; Brändström, Urban; Rietveld, Michael T; Rexer, Theresa; Vierinen, Juha. The 3‐D Distribution of Artificial Aurora Induced by HF Radio Waves in the Ionosphere. Journal of Geophysical Research (JGR): Space Physics 2019. ISSN 2169-9380.

  • Mahmoudian, Alireza; Senior, Andrew; Scales, Wayne A.; Kosch, Michael J.; Rietveld, Michael T. Dusty Space Plasma Diagnosis Using the Behavior of Polar Mesospheric Summer Echoes During Electron Precipitation Events. Journal of Geophysical Research (JGR): Space Physics 2018. ISSN 2169-9380.s 7697 - 7709.s doi: 10.1029/2018JA025395.

  • Tereshchenko, E. D.; Milichenko, A. N.; Rietveld, Michael T; Chernyakov, S. M.; Shvets, M. V.. Change of the high-latitude ionosphere during heating by a powerful short radio wave of the EISCAT/Heating complex according to signals of the GLOBASS satellite and the incoherent scattering radar. Вестник МГТУ 2018; Volum 21 (1). ISSN 1560-9278.s 170 - 181.s doi: 10.21443/1560-9278-2018-21-1-170-181.

  • Wu, Jun; Wu, Jian; Rietveld, Michael T; Häggström, Ingemar; Zhao, Haisheng; Xu, Tong; Xu, Zhengwen. Systematic variation in observing altitude of enhanced ion line by the pump near fifth gyroharmonic. Plasma Science and Technology 2018; Volum 20:125401 (12). ISSN 1009-0630.s 1 - 9.s doi: 10.1088/2058-6272/aadd44.

  • Streltsov, Anatoly V.; Berthelier, Jean-Jacques; Chernyshov, Aleksander A.; Frolov, Vladimir L.; Honary, Farideh; Kosch, Michael J.; McCoy, Robert P.; Mishin, Evgeny V.; Rietveld, Michael T. Past, Present and Future of Active Radio Frequency Experiments in Space. Space Science Reviews 2018; Volum 214:118 (8). ISSN 0038-6308.s 1 - 122.s doi: 10.1007/s11214-018-0549-7.

  • Rexer, Theresa; Gustavsson, Björn Johan; Leyser, Thomas; Rietveld, Michael T; Yeoman, Tim; Grydeland, Tom. First Observations of Recurring HF-Enhanced Topside Ion Line Spectra Near the Fourth Gyroharmonic. Journal of Geophysical Research (JGR): Space Physics 2018; Volum 123 (10). ISSN 2169-9380.s 8649 - 8663.s doi: 10.1029/2018JA025822.

  • Wu, Jun; Wu, Jian; Rietveld, Michael T; Häggström, I.; Xu, Zhengwen; Zhao, Haisheng. The Extending of Observing Altitudes of Plasma and Ion Lines During Ionospheric Heating. Journal of Geophysical Research (JGR): Space Physics 2018; Volum 123 (1). ISSN 2169-9380.s 918 - 930.s doi: 10.1002/2017JA024809.

  • Tsuda, T. T.; Rietveld, Michael T; Kosch, Michael J.; Oyama, S; Hosokawa, K.; Nozawa, Satonori; Kawabata, T; Mizuno, A; Ogawa, Y. Survey of conditions for artificial aurora experiments at EISCAT Troms? using dynasonde data. Earth Planets and Space 2018; Volum 70 (1). ISSN 1343-8832.s doi: 10.1186/s40623-018-0805-9.

  • Tsuda, T. T.; Rietveld, Michael T; Kosch, M.J; Oyama, S; Ogawa, Y; Hosokawa, K.; Nozawa, S; Kawabata, T; Mizuno, A. Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Troms? using dynasonde data. Earth Planets and Space 2018; Volum 70 (1). ISSN 1343-8832.s 1 - 10.s doi: 10.1186/s40623-018-0864-y.

  • Leyser, Thomas B; James, H Gordon; Gustavsson, Björn Johan; Rietveld, Michael T. Evidence of L-mode electromagnetic wave pumping of ionospheric plasma near geomagnetic zenith. Annales Geophysicae 2018; Volum 36 (1). ISSN 0992-7689.s 243 - 251.s doi: 10.5194/angeo-36-243-2018.

  • Wu, Jun; Wu, Jian; Rietveld, Michael T; Häggström, Ingemar; Zhao, Haisheng; Xu, Zhengwen. The behavior of electron density and temperature during ionospheric heating near the fifth electron gyrofrequency. Journal of Geophysical Research (JGR): Space Physics 2017; Volum 122 (1). ISSN 2169-9380.s 1277 - 1295.s doi: 10.1002/2016JA023121.

  • Wu, Jun; Wu, Jian; Rietveld, Michael T; Häggström, Ingemar; Zhao, Haisheng; Xu, Zhengwen. Altitude and intensity characteristics of parametric instability excited by an HF pump wave near the fifth electron harmonic. Plasma Science and Technology 2017; Volum 19 (12). ISSN 1009-0630.s doi: 10.1088/2058-6272/aa9027.

  • Bjoland, Lindis Merete; Ogawa, Y; Hall, Chris; Rietveld, Michael T; Løvhaug, Unni Pia; La Hoz, Cesar; Miyaoka, H. Long-term variations and trends in the polar E-region. Journal of Atmospheric and Solar-Terrestrial Physics 2017; Volum 163. ISSN 1364-6826.s 85 - 90.s doi: 10.1016/j.jastp.2017.02.007.

  • Rietveld, Michael T; Senior, Andrew; Markkanen, Jussi; Westman, Assar. New capabilities of the upgraded EISCAT high-power HF facility. Radio Science 2016; Volum 51 (9). ISSN 0048-6604.s 1533 - 1546.s doi: 10.1002/2016RS006093.

  • Borisova, Tatiana D.; Blagoveshchenskaya, Nataly F.; Kalishin, Aleksei S.; Rietveld, Michael T; Yeoman, Timothy Kenneth; Hägström, I.. Modification of the high-latitude ionospheric F region by high-power HF radio waves at frequencies near the fifth and sixth electron gyroharmonics. Radiophysics and Quantum Electronics 2016; Volum 58 (8). ISSN 0033-8443.s 561 - 585.s doi: 10.1007/s11141-016-9629-2.

  • Sarno-Smith, Lois; Kosch, Michael; Yeoman, Timothy; Rietveld, Michael T; Nel, Amore; Liehmohn, Michael W.. Ionospheric electron number densities from CUTLASS dual-frequency velocity measurements using artificial backscatter over EISCAT. Journal of Geophysical Research (JGR): Space Physics 2016; Volum 121 (8). ISSN 2169-9380.s 8066 - 8076.s doi: 10.1002/2016JA022788.

  • Havnes, Ove; Pinedo Nava, Henry; La Hoz, Cesar; Senior, Andrew; Hartquist, Thomas W.; Rietveld, Michael T; Kosch, Michael J.. A comparison of overshoot modelling with observations of polar mesospheric summer echoes at radar frequencies of 56 and 224 MHz. Annales Geophysicae 2015; Volum 33 (6). ISSN 0992-7689.s 737 - 747.s doi: 10.5194/angeo-33-737-2015.

  • Havnes, Ove; Pinedo Nava, Henry; La Hoz, Cesar; Senior, Andrew; Hartquist, Tom; Rietveld, Michael T; Kosch, M.J.. Electron Heating Effects on Polar Mesospheric Clouds – A Comparison Between Observations and Modelling. Proceedings of the Cluster and Double Star Symposium - 5th Anniversary of Cluster in Space 2015. ISSN 1609-042X.s 71 - 77.

  • van der Meeren, Christer; Oksavik, Kjellmar; Lorentzen, Dag Arne; Rietveld, Michael T; Clausen, Lasse Boy Novock. Severe and localized GNSS scintillation at the poleward edge of the nightside auroral oval during intense substorm aurora. (fulltekst) Journal of Geophysical Research (JGR): Space Physics 2015; Volum 120 (12). ISSN 2169-9380.s 10607 - 10621.s doi: 10.1002/2015JA021819.

  • Fu, Haiyang; Scales, Wayne A.; Bernhardt, Paul A.; Briczinski, Stan J.; Kosch, Michael J.; Senior, Andrew; Rietveld, Michael T; Yeoman, Timothy Kenneth; Ruohoniemi, J. Michael. Stimulated Brillouin scattering during electron gyro-harmonic heating at EISCAT. Annales Geophysicae 2015; Volum 33 (8). ISSN 0992-7689.s 983 - 990.s doi: 10.5194/angeo-33-983-2015.

  • Pinedo Nava, Henry; La Hoz, Cesar; Havnes, Ove; Rietveld, Michael T. Electron-ion temperature ratio estimations in the summer polar mesosphere when subject to HF radio wave heating. Journal of Atmospheric and Solar-Terrestrial Physics 2014; Volum 118. ISSN 1364-6826.s 106 - 112.s doi: 10.1016/j.jastp.2013.12.016.

  • Nicolls, Michael J.; Bahcivan, Hasan; Häggström, Ingemar; Rietveld, Michael T. Direct measurement of lower thermospheric neutral density using multifrequency incoherent scattering. Geophysical Research Letters 2014; Volum 41 (23). ISSN 0094-8276.s 8147 - 8154.s doi: 10.1002/2014GL062204.

  • Kosch, Michael J.; Bryers, Carl; Rietveld, Michael T; Yeoman, Timothy K; Ogawa, Yasunobu. Aspect angle sensitivity of pump-induced optical emissions at EISCAT. Earth Planets and Space 2014; Volum 66 (1). ISSN 1343-8832.s doi: 10.1186/s40623-014-0159-x.

  • Senior, Andrew; Mahmoudian, Alireza; Pinedo Nava, Henry; La Hoz, Cesar; Rietveld, Michael T; Scales, Wayne A.; Kosch, M.J.. First modulation of high-frequency polar mesospheric summer echoes by radio heating of the ionosphere. Geophysical Research Letters 2014; Volum 41 (15). ISSN 0094-8276.s 5347 - 5353.s doi: 10.1002/2014GL060703.

  • Bryers, Carl; Kosch, Michael; Senior, Andrew; Yeoman, Tim; Rietveld, Michael T. DIY Northern Lights. Astronomy & Geophysics 2013; Volum 54 (6). ISSN 1366-8781.s 43 - 44.s doi: 10.1093/astrogeo/att208.

  • Schlatter, Nicola M.; Ivchenko, Nickolay; Gustavsson, Björn Johan; Leyser, Thomas; Rietveld, Michael T. Observations of HF-induced instability in the auroral E region. Annales Geophysicae 2013; Volum 31 (6). ISSN 0992-7689.s 1103 - 1108.s doi: 10.5194/angeo-31-1103-2013.

  • Pinedo Nava, Henry; La Hoz, Cesar; Havnes, Ove; Rietveld, Michael T. Electron-ion temperature ratio estimations in the summer polar mesophere when subject to HF radio wave heating. Journal of Atmospheric and Solar-Terrestrial Physics 2013. ISSN 1364-6826.s doi: 10.1016/j.jastp.2013.12.016.

  • Tereshchenko, E. D.; Yurik, R. Yu.; Rietveld, Michael T; Isham, B; Belyey, Vasyl. The spatial features of the up- and downshifted maxima in stimulated electromagnetic emissions. Advances in Space Research 2012; Volum 50 (5). ISSN 0273-1177.s 619 - 622.s doi: 10.1016/j.asr.2012.05.013.

  • Baddeley, Lisa; Häggström, I.; Yeoman, T.K.; Rietveld, Michael T. First observations of SPEAR-induced topside and bottomside sporadic E layer heating observed using the EISCAT Svalbard and SuperDARN radars. Journal of Geophysical Research (JGR): Space Physics 2012; Volum 117. ISSN 2169-9380.s doi: 10.1029/2011JA017079.

  • Isham, B.; Rietveld, Michael T; Guio, P.; Forme, F. R. E.; Grydeland, Tom; Mjølhus, Einar. Cavitating Langmuir Turbulence in the Terrestrial Aurora. Physical Review Letters 2012; Volum 108 (10). ISSN 0031-9007.s doi: 10.1103/PhysRevLett.108.105003.

  • Blagoveshchenskaya, N. F.; Borisova, T. D.; Yeoman, T.K.; Rietveld, Michael T; Ivanova, I.M.; Baddeley, Lisa. Artificial small-scale field-aligned irregularities in the high latitude F region of the ionosphere induced by an X-mode HF heater wave. Geophysical Research Letters 2011; Volum 38. ISSN 0094-8276.s doi: 10.1029/2011GL046724.

  • Havnes, Ove; La Hoz, Cesar; Rietveld, Michael T; Bekele, Meseret Kassa; Baroni, Giovanni; Biebricher, Alexander. Dust charging and density conditions deduced from observations of PMWE modulated by artificial electron heating. Journal of Geophysical Research (JGR): Atmospheres 2011; Volum 116. ISSN 2169-897X.s doi: 10.1029/2011JD016411.

  • Kosch, MJ; Mjølhus, Einar; Ashrafi, M; Rietveld, Michael T; Yeoman, T; Nozawa, S. Angular dependence of pump-induced bottomside and topside ionospheric plasma turbulence at EISCAT. Journal of Geophysical Research (JGR): Space Physics 2011; Volum 116. ISSN 2169-9380.s doi: 10.1029/2010JA016014.

  • Kosch, M.J; Gustavsson, Björn Johan; Heinselman, C.; Pedersen, T.; Rietveld, Michael T; Spaleta, Jeff; Wong, Alfred; Wang, W; Mutiso, Charles; Bristow, Bill; hughes, john. First incoherent scatter radar observations of ionospheric heating on the second electron gyro-harmonic. Journal of Atmospheric and Solar-Terrestrial Physics 2009; Volum 71 (17-18). ISSN 1364-6826.s 1959 - 1966.s doi: 10.1016/j.jastp.2009.08.007.

  • Havnes, Ove; La Hoz, Cesar; Rietveld, Michael T; Bekele, Meseret Kassa; Baroni, Giovanni; Biebricher, Alexander. Observation and analysis of polar mesospheric winter echoes modulated by artificial electron heating. ESA SP 2009; Volum 671. ISSN 0379-6566.s 85 - 90.

  • Zalizovski, Andrey; Kashcheyev, Sergey; Yampolski, Yuri; Galushko, Vladimir; Belyey, Vasyl; Isham, B.; Rietveld, Michael T; La Hoz, Cesar; Brekke, Asgeir; Blagoveshchenskaya, N. F.; Kornienko, V. A.. Self-scattering of a powerful HF radio wave on stimulated ionospheric turbulence. Radio Science 2009; Volum 44 (RS3010). ISSN 0048-6604.s doi: 10.1029/2008RS004111.

  • Blagoveshchenskaya, N. F.; Carlson, H. C.; Kornienko, V. A.; Borisova, T. D.; Rietveld, Michael T; Yeoman, T. K.; Brekke, Asgeir. Phenomena induced by powerful HF pumping towards magnetic zenith with a frequency near the F-region critical frequency and the third electron gyro harmonic frequency. Annales Geophysicae 2009; Volum 27 (1). ISSN 0992-7689.s 131 - 145.

  • Kalogerakis, K. S.; Slanger, T. G.; Kendall, E. A.; Pedersen, T. R.; Kosch, M. J.; Gustavsson, Björn Johan; Rietveld, Michael T. Remote Oxygen Sensing by Ionospheric Excitation (ROSIE). Annales Geophysicae 2009; Volum 27 (5). ISSN 0992-7689.s 2183 - 2189.

  • Löfås, H.; Ivchenko, N.; Gustavsson, Björn Johan; Leyser, T. B.; Rietveld, Michael T. F-region electron heating by X-mode radiowaves in underdense conditions. Annales Geophysicae 2009; Volum 27 (6). ISSN 0992-7689.s 2585 - 2592.

  • Rapp, Markus; Strelnikova, Irina; Latteck, Ralph; Hoffmann, Peter; Hoppe, Ulf-Peter; Häggström, Ingemar; Rietveld, Michael T. Polar mesosphere summer echoes (PMSE) studied at Bragg wavelengths of 2.8 m, 67 cm, and 16 cm. Journal of Atmospheric and Solar-Terrestrial Physics 2008; Volum 70 (7). ISSN 1364-6826.s 947 - 961.s doi: 10.1016/j.jastp.2007.11.005.

  • Nesse, H; Nesse, Hilde; Heinrich, Dirk; Williams, Bifford P.; Hoppe, Ulf-Peter; Stadsnes, Johan; Rietveld, Michael; Singer, Werner; Blum, Ulrich; Sandanger, Marit Irene J.; Trondsen, Espen. A case study of a sporadic sodium layer observed by the ALOMAR Weber Na lidar. Annales Geophysicae 2008; Volum 26 (5). ISSN 0992-7689.s 1071 - 1081.

  • Kosch, Mike; Pedersen, Todd; Rietveld, Michael T; Gustavsson, Björn Johan; Grach, S; Hagfors, Tor. Artificial optical emissions in the high-latitude thermosphere induced by powerful radio waves: An observational review. Advances in Space Research 2007. ISSN 0273-1177.s doi: 10.1016/j.asr.2007.02.061.

  • Gustavsson, Bjørn Johan; Leyser, T. B.; Kosch, Mike; Rietveld, Michael T; Steen, Å; Brändström, B. U. E.; Aso, Takehiko. Electron Gyroharmonic Effects in Ionization and Electron Acceleration during High-Frequency Pumping in the Ionosphere. (sammendrag) Physical Review Letters 2006; Volum 97 (19). ISSN 0031-9007.s doi: 10.1103/PhysRevLett.97.195002.

  • Tereshchenko, E. D.; Yurik, R. Yu.; Khudukon, B. Z.; Rietveld, Michael T; Isham, Brett Cameron; Belyey, Vasyl; Brekke, Asgeir; Hagfors, Tor; Grill, Martin. Directional features of the downshifted peak observed in HF-induced stimulated electromagnetic emission spectra obtained using an interferometer. Annales Geophysicae 2006; Volum 24. ISSN 0992-7689.s 1819 - 1827.

  • Havnes, Ove; La Hoz, Cesar; Aylward, E; Belova, Evgenia; Hartquist, T W; Kosch, M.J; Morfill, G E; Jones, G.O.L; Næsheim, Lars Irgens; Rietveld, Michael T; Rubin-Zuzic, Milenko; Sigernes, Fred. Observations of the overshoot effect during the 2004 EISCAT PMSE campaign. Advances in Space Research 2006; Volum 38. ISSN 0273-1177.s 2344 - 2352.s doi: 10.1016/j.asr.2005.11.004.

  • Isham, Brett Cameron; Hagfors, Tor; Khudukon, Boris; Yurik, Roman; Tereshchenko, E. D.; Rietveld, Michael T; Belyey, Vasyl; Grill, Martin; La Hoz, Cesar; Brekke, Asgeir; Heinselman, C.. An interferometer experiment to explore the aspect angle dependence of stimulated electromagnetic emission spectra. (fulltekst) Annales Geophysicae 2005; Volum 23 (1). ISSN 0992-7689.s 55 - 74.

  • Gustavsson, Björn; Sergienko, T; Kosch, M. J.; Rietveld, Michael T; Brändström, B. U. E.; Leyser, T. B.; Isham, Brett Cameron; Gallop, P.; Aso, Takehiko; Ejiri, m.; Grydeland, Tom; Steen, A.; La Hoz, Cesar; Kaila, K.; Jussila, J.; Holma, H.. The electron energy distribution during HF pumping,a picture painted with all colors. (fulltekst) (sammendrag) Annales Geophysicae 2005; Volum 23 (5). ISSN 0992-7689.s 1747 - 1754.

  • Havnes, Ove; La Hoz, Cesar; Næsheim, Lars; Rietveld, Michael T. First observations of the PMSE overshoot effect and its use for investigating the conditions in the summer mesosphere. Geophysical Research Letters 2004; Volum 30 (23). ISSN 0094-8276.s art. no. - 2229.

  • Zalizovski, Andrey; Kashcheyev, Sergey; Yampolski, Yuri; Galushko, Vladimir; Belyey, Vasyl; Isham, Brett Cameron; Rietveld, Michael T; La Hoz, Cesar; Brekke, Asgeir; Blagoveschenskaya, N.; Kornienko, V. A.. Spectral features of HF signals from the EISCAT heating facility in Europe and in Antarctica. (fulltekst) Radio Physics and Radio Astronomy 2004; Volum 9 (3).s 261 - 273.

  • Djuth, FT; Isham, B; Rietveld, Michael T; Hagfors, T; La Hoz, Cesar. First 100 ms of HF modification at Tromso, Norway. Journal of Geophysical Research (JGR) 2004; Volum 109. ISSN 0148-0227.

  • Rietveld, Michael T; Isham, Brett Cameron; Grydeland, Tom; La Hoz, Cesar; Leyser, T. B.; Honary, F.; Ueda, F.; Kosch, M.; Hagfors, Tor. HF-pump-induced parametric instabilities in the auroral E-region. (omtale) Advances in Space Research 2002; Volum 29 (9). ISSN 0273-1177.s 1363 - 1368.

  • Tereshchenko, E. D.; Khudukon, Boris; Kozlova, M. O.; Evstafiev, O. V.; Nygrén, T.; Rietveld, Michael T; Brekke, Asgeir. Comparison of the orientation of small-scale electron density irregularities and F region plasma flow direction. Annales Geophysicae 2000; Volum 18. ISSN 0992-7689.s 918 - 926.

  • Tereshchenko, E. D.; Kozlova, M. O.; Evstafiev, O. V.; Khudukon, Boris; Nygrén, T.; Rietveld, Michael T; Brekke, Asgeir. Irregular structures of the F layer at high latitudes during ionospheric heating. Annales Geophysicae 2000; Volum 18. ISSN 0992-7689.s 1197 - 1209.

  • Rietveld, Michael T; Isham, Brett Cameron; Kohl, H; La Hoz, Cesar; Hagfors, Tor. Measurements of HF-enhanced plasma and ion lines at EISCAT with high altitude resolution. Journal of Geophysical Research (JGR) 2000; Volum 105. ISSN 0148-0227.s 7529 - 7439.

  • Isham, B. I.; La Hoz, Cesar; Rietveld, Michael T; Hagfors, Tor; Leyser, T. B.. Cavitating Langmuir turbulence observed during high-latitude ionospheric wave interactions experiments. Physical Review Letters 1999; Volum 83. ISSN 0031-9007.s 2576 - 2576.

  • Blagoveshchenskaya, N. F.; Kornienko, V. A.; Brekke, Asgeir; Rietveld, Michael T; Kosch, M.; Borisova, T. D.; Krylosov, M. V.. Phenomena observed by HF long-distance diagnostic tools in the HF modified auroral ionosphere during magnetospheric substorm. Radio Science Bulletin 1999; Volum 34. ISSN 1024-4530.s 715 - 724.

  • Blagoveshchenskaya, N. F.; Kornienko, V. A.; Rietveld, Michael T; Brekke, Asgeir; Thide, B.; Moskvin, I. V.; Nozdrachev, S.. Stimulated emissions aroundsecond harmonic of Tromsø heater frequency observed by long-distance HF tools. Geophysical Research Letters 1998; Volum 25 (6). ISSN 0094-8276.s 873 - 878.

  • Tereshchenko, E. D.; Khudukon, Boris; Rietveld, Michael T; Brekke, Asgeir. Spatial Structure of Auroral Daytime Ionospheric Electron Density Irregularities Generated by a Powerful HF-wave. Annales Geophysicae 1997. ISSN 0992-7689.

  • Havnes, Ove; La Hoz, Cesar; Bekele, Meseret Kassa; Biebricher, Alexander; Baroni, Giovanni; Rietveld, Michael T. Experiments and modeling of active modulation of mesospheric coherent radar echoes. 38th scientific assembly of the committee on space research 2010-07-18 - 2010-07-25 2010.

  • Gustavsson, Björn Johan; Rietveld, Michael T. Electron temperature enhancements during dualfrequency HF transmission. COSPAR General Assembly 2008 2008-07-13 - 2008-07-20 2008.

  • Belyey, Vasyl; Isham, B.; Rietveld, Michael T; Khudukon, Boris; Yurik, R. Yu.; Tereshchenko, E. D.; Hagfors, Tor; Grill, M.; La Hoz, Cesar; Brekke, Asgeir. Interferometric Observations of Narrow-Band Features in Stimulated Electromagnetic Emission (SEE). 7-th Ukrainian Conference on Space Research 2007-09-03 - 2007-09-08 2007.

  • Kosch, Mike; Senior, A; Gustavsson, Bjørn Johan; Grach, S; Pedersen, T.; Rietveld, Michael T. Artificial optical emissions in the thermosphere induced by powerful radio waves: A review. 36th COSPAR Scientific Assembly (omtale) 2006-07-16 - 2006-07-23 2006.

  • Nesse, Hilde; Heinrich, D.; Williams, B.; Hoppe, Ulf-Peter; Stadsnes, Johan; Rietveld, M.; Singer, W.; Blum, U.; Sandanger, Marit Irene J.; Trondsen, E.. A case study of a sudden sodium layer observed by the ALOMAR Weber Sodium Lidar. 33rd Annual European Meeting on Atmospheric Studies by Optical Methods 2006-08-29 - 2006-09-01 2006.

  • Gustavsson, Bjørn Johan; Ashrafi, Mina; Kosch, Mike; Kaila, K.; Holma, H.; Rietveld, Michael T. Tomography of ring-shaped radio induced optical emissions. 33rd Annual European Meeting on Atmospheric Studies by Optical Methods (omtale) 2006-08-28 - 2006-09-01 2006.

  • Gustavsson, Bjørn Johan; Sergienko, T; Kosch, Mike; Rietveld, Michael T; Brändström, B. U. E.; Leyser, T. B.; Aso, Takehiko; Steen, Å. The electron energy distribution during HF pumping, estimates from optical observations. IPELS 2005: 8th International Workshop on the Interrelationship between Plasma Experiments in Laboratory and Space 2005-07-04 - 2005-07-08 2005.

  • Havnes, Ove; La Hoz, Cesar; Næsheim, Lars; Aylward, E; Belova, Evgenia; Hartquist, T W; Kosch, M.J; Morfill, G E; Jones, G.O.L; Sigernes, Fred; Rubin-Zuzic, Milenko; Rietveld, Michael T. Results from the 2004 EISCAT PMSE Overshoot Campaign. 17th ESA Symposium on European Rocket and Balloojn Programmes 2005-05-30 - 2005-06-02 2005.

  • Isham, Brett Cameron; Belyey, Vasyl; Khudukon, Boris; Yurik, Roman; Tereshchenko, E. D.; Hagfors, Tor; Rietveld, Michael T; Grill, Martin; La Hoz, Cesar; Brekke, Asgeir; Heinselman, C.. Direction angle measurments of stimulated ionospheric radio emissions using a three-element digital interferometric receiver. International Workshop on the Interrelationship between Plasma Experiments in Laboratory and Space 2005-07-04 - 2005-07-08 2005.

  • Gustavsson, Bjørn Johan; Leyser, T. B.; Brändström, B. U. E.; Kosch, Mike; Rietveld, Michael T; Aso, Takehiko; Steen, Å. Asymmetry in HF-pump enhanced 4278 Å emissions around electron gyroharmonics. Eiscat workshop 2005 2005-08-15 - 2005-09-02 2005.

  • Belyey, Vasyl; Isham, Brett Cameron; Rietveld, Michael T; Khudukon, B.; Yurik, R. Yu.; Tereshchenko, E. D.; Hagfors, T.; Grill, M.; Brekke, Asgeir. Extremely Narrow-Band Stimulated Radio Emissions from the E Region Observed at EISCAT. International Workshop on the Interrelationship between Plasma Experiments in Laboratory and Space (fulltekst) 2005-07-04 - 2005-07-08 2005.

  • Galushko, Vladimir; Budanov, Oleg; Yampolski, Yuri; Belyey, Vasyl; Isham, Brett Cameron; Rietveld, Michael T; Brekke, Asgeir. Detection of coherent ELF signals produced by powerful HF radiation in the ionosphere. International Workshop on the Interrelationship between Plasma Experiments in Laboratory and Space (fulltekst) 2005-07-04 - 2005-07-08 2005.

  • Belyey, Vasyl; Isham, B.; Hagfors, Tor; Khudukon, B.; Yurik, R. Yu.; Tereshchenko, E. D.; Rietveld, Michael T; Grill, Martin; La Hoz, Cesar; Brekke, Asgeir; Heinselman, C.. Directional properties of stimulated radio emissions (SEE) from the ionosphere. RF Ionospheric Workshop (fulltekst) 2005-04-17 - 2005-04-20 2005.

  • Belyey, Vasyl; Isham, Brett Cameron; Leyser, T. B.; Rietveld, Michael T. Seeding of Langmuir turbulence by high power HF modification during aurora. The Tenth Annual Ionospheric Interactions Workshop (fulltekst) 2004-04-18 - 2004-04-21 2004.

  • Zalizovski, Andrey; Galushko, Vladimir; Kashcheyev, Sergey; Yampolski, Yuri; Belyey, Vasyl; Isham, Brett Cameron; Rietveld, Michael T; La Hoz, Cesar; Brekke, Asgeir; Blagoveschenskaya, N.; Kornienko, V. A.. Spectral features of powerful HF radio waves on a long-range propagation path. 2nd Ukrainian Antarctic Meeting 2004-06-07 - 2004-06-09 2004.

  • Havnes, Ove; La Hoz, Cesar; Næsheim, Lars; Rietveld, Michael T. First observations of the PMSE Overshoot effect. 11th biannual EISCAT 2003 International Radar Workshop (omtale) 2003-08-25 - 2003-08-29 2003.

  • La Hoz, Cesar; Næsheim, Lars; Havnes, Ove; Rietveld, Michael T. First observation of the artificial electron heating induced reduction of PMSE strength at 933 MHz. 11th biannual EISCAT 2003 International Radar Workshop (omtale) 2003-08-25 - 2003-08-29 2003.

  • Isham, Brett Cameron; La Hoz, Cesar; Rietveld, Michael T; Grydeland, Tom; Forme, Francois. Anomalous ion line spectra associated with enhanced plasma lines observed during auroral precipitation. National Radio Science Meeting 2002-01-09 - 2002-01-12 2002.

  • Isham, Brett Cameron; La Hoz, Cesar; Rietveld, Michael T; Grydeland, Tom. Natural Strong Langmuir Turbulence in the Aurora. High Power RF Ionospheric Interactions Workshop 2001-04-29 - 2001-05-02 2001.

  • La Hoz, Cesar; Rietveld, Michael T; Grydeland, Tom; Isham, Brett Cameron; Forme, Francois. Evidence of non-thermal behavior in the polar ionosphere: Observations of strong Langmuir turbulence caused by an auroral beam of electrons. Fourth International Workshop on Nonlinear Waves and Chaos in Space Plasmas 2001-06-17 - 2001-06-22 2001.

  • La Hoz, Cesar; Rietveld, Michael T; Grydeland, Tom; Isham, Brett Cameron; Forme, Francois. Observations of a type of Anomalous Ion Line Spectra Coincident with Enhancements of Electron Lnagmuir Waves and Associated with Auroral Precipitation. 10th International EISCAT Workshop (sammendrag) 2001-07-23 - 2001-07-27 2001.

  • La Hoz, Cesar; Rietveld, Michael T; Grydeland, Tom; Isham, Brett Cameron; Forme, Francois. Evidence of non-thermal behaviour on the polar ionosphere: observations of strong Langmuir turbulence caused by an auroral beam of electrons,. China-Norway International Symposium on Polar Science, 30 July - 2 August, Shanghai, China 2001-07-30 - 2001-08-02 2001.

  • La Hoz, Cesar; Rietveld, Michael T; Grydeland, Tom; Isham, Brett Cameron; Forme, Francois. Evidence of non-thermal behaviour in the polar ionosphere: observations of strong Langmuir turbulence caused by an auroral beam of electrons. China-Norway International Symposium on Polar Science 2001-07-30 - 2001-08-02 2001.

  • Isham, Brett Cameron; La Hoz, Cesar; Rietveld, Michael T; Kohl, H; Djuth, F. T.; Hagfors, Tor; Groves, K. M.; Grydeland, Tom; Livingston, R. C.; Elder, J.. High Latitude Pump-Induced HF Langmiur Turbulence. EGS XXVI General Assembly (sammendrag) 2001-03-25 - 2001-03-30 2001.

  • Rietveld, Michael T; La Hoz, Cesar; Grydeland, Tom; Isham, Brett Cameron. Observations of anomalous ion line spectra associated with enhanced plasma lines during auroral precipitation. EGS XXVI General Assembly (sammendrag) 2001-03-25 - 2001-03-30 2001.

  • Isham, Brett Cameron; Rietveld, Michael T; Grydeland, Tom; La Hoz, Cesar; Leyser, T. B.; Honary, F.; Kosch, M.; Hagfors, Tor; Ueda, H.. HF-Pump-induced parametric instabilities in the auroral E-region. 20th Anniversary Symposium on Ionospheric Interactions 2000-10-01 - 2000-10-01 2000.

  • Isham, Brett Cameron; La Hoz, Cesar; Rietveld, Michael T; Djuth, F. T.; Hagfors, Tor; Grydeland, Tom. High-latitude HF induced plasma turbulence. Presented at the first S-RAMP conference in Sapporo 2000-10-02 - 2000-10-06 2000.

  • La Hoz, Cesar; Rietveld, Michael T; Isham, Brett Cameron; Grydeland, Tom. A Parametric Decay Instability Excited by an Electron Beam Occurring naturally in the Ionosphere?. 20th Anniversary Symposium on Ionospheric Interactions 2000-10-01 - 2000-10-01 2000.

  • La Hoz, Cesar; Rietveld, Michael T; Grydeland, Tom; Isham, Brett Cameron. Observations of Anomalous ion Line Spectra Associated with EnhancePlasma Lines During Auroral Precipitation. AGU Fall Meeting 2000-12-01 - 2000.