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Professor Michael Kosch

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  1. Published

    The equatorial electrojet during geomagnetic storms and substorms

    Yamazaki (YY), Y. & Kosch, M., 03/2015, In: Journal of Geophysical Research: Space Physics. 120, 3, p. 2276-2287 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  2. Published

    Evidence for stratospheric sudden warming effects on the upper thermosphere derived from satellite orbital decay data during 1967–2013

    Yamazaki (YY), Y., Kosch, M. & Emmert, J., 13/08/2015, In: Geophysical Research Letters. 42, 15, p. 1-9 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. Published

    A model of high-latitude thermospheric density

    Yamazaki (YY), Y., Kosch, M. & Sutton, E., 09/2015, In: Journal of Geophysical Research: Space Physics. 120, 9, p. 7903-7917 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  4. Published

    Geomagnetic lunar and solar daily variations during the last 100 years

    Yamazaki, Y. & Kosch, M., 08/2014, In: Journal of Geophysical Research. 119, 8, p. 6732-6744 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  5. Published

    North-south asymmetry of the high-latitude thermospheric density: IMF BY effect

    Yamazaki, Y., Kosch, M. & Sutton, E., 28/01/2015, In: Geophysical Research Letters. 42, 2, p. 225-232 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  6. Published

    High-latitude ion temperature climatology during the International Polar Year 2007-2008

    Yamazaki, Y., Kosch, M. J., Ogawa, Y. & Themens, D., 7/10/2016, In: Journal of Space Weather and Space Climate. 6, 13 p., A35.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  7. Published

    Quasi-biennial oscillation of the ionospheric wind dynamo

    Yamazaki, Y., Liu, H., Sun, Y-Y., Miyoshi, Y., Kosch, M. J. & Mlynczak, M., 03/2017, In: Journal of Geophysical Research: Space Physics. 122, 3, p. 3553-3569 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  8. Published

    Average field-aligned ion velocity over the EISCAT radars

    Yamazaki, Y., Kosch, M. J. & Ogawa, Y., 31/05/2019, In: Journal of Geophysical Research: Space Physics. 122, 5, p. 5630-5642 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. Published

    Thermospheric atomic oxygen density estimates using the EISCAT Svalbard Radar

    Vickers, H., Kosch, M. J., Sutton, E., Ogawa, Y. & La Hoz, C., 03/2013, In: Journal of Geophysical Research. 118, 3, p. 1319-1330 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  10. Published

    A solar cycle of upper thermosphere density observations from the EISCAT Svalbard Radar: thermospheric density over Svalbard

    Vickers, H., Kosch, M. J., Sutton, E., Bjoland, L., Ogawa, Y. & La Hoz, C., 2014, In: Journal of Geophysical Research: Space Physics. 119, 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. Published

    Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Tromso using dynasonde data

    Tsuda, T. T., Rietveld, M. T., Kosch, M. J., Oyama, S., Ogawa, Y., Hosokawa, K., Nozawa, S., Kawabata, T. & Mizuno, A., 6/06/2018, In: Earth, Planets and Space. 70, 10 p., 94.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. Published

    OI 630.0-nm and N2 1PG Emissions in Pulsating Aurora Events Observed by an Optical Spectrograph at Tromsø, Norway

    Tsuda, T. T., Li, C., Hamada, S., Hosokawa, K., Oyama, S-I., Nozawa, S., Kawabata, T., Mizuno, A., Kurihara, J., Nishiyama, T. & Kosch, M. J., 1/12/2020, In: Journal of Geophysical Research: Space Physics. 125, 12, 11 p., e2020JA028250.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. Published

    Precipitating Electron Energy Spectra and Auroral Power Estimation by Incoherent Scatter Radar With High Temporal Resolution

    Tesfaw, H. W., Virtanen, I. I., Aikio, A. T., Nel, A., Kosch, M. & Ogawa, Y., 30/04/2022, In: Journal of Geophysical Research: Space Physics. 127, 4, 18 p., e2021JA029880.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  14. Published

    Field-aligned currents and ionospheric parameters deduced from EISCAT radar measurements in the post-midnight sector

    Sugino, M., Fujii, R., Nozawa, S., Nagatsuma, T., Buchert, S. C., Gjerloev, J. W. & Kosch, M. J., 2002, In: Annales Geophysicae. 20, 9, p. 1335-1348 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  15. Published

    Past, Present and Future of Active Radio Frequency Experiments in Space

    Streltsov, A. V., Berthelier, J-J., Chernyshov, A. A., Frolov, V. L., Honary, F., Kosch, M. J., McCoy, R. P., Mishin, E. V. & Rietveld, M. T., 12/2018, In: Space Science Reviews. 214, 8, 122 p., 118.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  16. Published

    The absolute sensitivity of digital colour cameras

    Sigernes, F., Dyrland, M., Peters, N., Lorentzen, D. A., Svenøe, T., Heia, K., Chernouss, S., Deehr, C. S. & Kosch, M., 21/10/2009, In: Optics Express. 17, 22, p. 20211-20220 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  17. Published

    Identification of clouds and aurorae in optical data images

    Seviour, R., Kosch, M. & Honary, F., 17/01/2003, In: New Journal of Physics. 5, p. 6.1-6.7

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  18. Published

    High-frequency magnetospheric sounding at EISCAT: Some trials and their implications

    Senior, A., Honary, F., Chapman, P. J., Rietveld, M. T., Kelso, T. S. & Kosch, M. J., 14/08/2008, In: Radio Science. 43, RS4009, p. 1-13 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  19. Published

    Comparison of methods to determine auroral ionospheric conductances using ground-based optical and riometer data

    Senior, A., Kosch, M. J. & Honary, F., 2008, In: Annales Geophysicae. 26, 12, p. 3831-3840 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  20. Published

    Estimating the field-parallel scale length of artificial F-region striations by means of HF radar backscatter

    Senior, A., Kosch, M. J., Borisov, N. D., Yeoman, T. K., Rietveld, M. T. & Honary, F., 2005.

    Research output: Contribution to conference - Without ISBN/ISSN › Other › peer-review

  21. Published

    Diagnosing radio plasma heating in the polar summer mesosphere using cross modulation: Theory and observations

    Senior, A., Rietveld, M. T., Kosch, M. J. & Singer, W., 21/09/2010, In: Journal of Geophysical Research. 115, A09318, p. 1-10 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  22. Published

    Measurements and modeling of cosmic noise absorption changes due to radio heating of the D region ionosphere

    Senior, A., Rietveld, M. T., Honary, F., Singer, W. & Kosch, M. J., 14/04/2011, In: Journal of Geophysical Research. 116, A04310, p. 1-10 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  23. Published

    Statistical relationships between cosmic radio noise absorption and ionospheric electrical conductances in the auroral zone

    Senior, A., Kavanagh, A. J., Kosch, M. J. & Honary, F., 2007, In: Journal of Geophysical Research. 112, p. A11301

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  24. Published

    Multi-frequency HF radar measurements of artificial F-region field-aligned irregularities

    Senior, A., Borisov, N. D., Kosch, M. J., Yeoman, T. K., Honary, F. & Rietveld, M. T., 11/2004, In: Annales Geophysicae. 22, 10, p. 3503-3511 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  25. Published

    Effects of high-latitude atmospheric gravity wave disturbances on artificial HF radar backscatter

    Senior, A., Kosch, M. J., Yeoman, T. K., Rietveld, M. T. & McCrea, I. W., 09/2006, In: Annales Geophysicae. 24, 9, p. 2347-2361 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  26. Published

    The dependence of F-region electron heating on HF radio pump power: Measurements at EISCAT Tromsø

    Senior, A., Rietveld, M. T., Yeoman, T. K. & Kosch, M., 10/04/2012, In: Journal of Geophysical Research. 117, A04309.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  27. Published

    Radio-induced incoherent scatter ion line enhancements with wide altitude extents in the high-latitude ionosphere

    Senior, A., Rietveld, M. T., Häggström, I. & Kosch, M. J., 16/05/2013, In: Geophysical Research Letters. 40, 9, p. 1669-1674 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  28. Published

    First modulation of high-frequency polar mesospheric summer echoes by radio heating of the ionosphere

    Senior, A., Mahmoudian, A., Pinedo, H., La Hoz, C., Rietveld, M. T., Scales, W. A. & Kosch, M. J., 16/08/2014, In: Geophysical Research Letters. 41, 15, p. 5347-5353 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  29. Published

    Ionospheric electron number densities from CUTLASS dual-frequency velocity measurements using artificial backscatter over EISCAT

    Sarno-Smith, L. K., Kosch, M. J., Yeoman, T. & Rietveld, M., 08/2016, In: Journal of Geophysical Research: Space Physics. 121, 8, p. 8066-8076 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  30. Published

    A statistical survey of electron temperature enhancements in heater modulated polar mesospheric summer echoes at EISCAT

    Routledge, G., Kosch, M. J., Senior, A., Kavanagh, A. J., McCrea, I. W. & Rietveld, M. T., 03/2011, In: Journal of Atmospheric and Solar-Terrestrial Physics. 73, 4, p. 472-482 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  31. Published

    Optical Investigations in the "ERLE" Project

    Romanovsky, Y., Alpatov, V., Platov, Y., Chernouss, S., Kosch, M. & Steen, A., 2000, In: Physics and Chemistry of the Earth Part B: Hydrology, Oceans and Atmosphere. 25, 5-6, p. 503-506 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  32. Published

    Hf-pump-induced parametric instabilities in the auroral E-region

    Rietveld, M. T., Isham, B., Grydeland, T., Hoz, C. L., Leyser, T. B., Honary, F., Ueda, H., Kosch, M. & Hagfors, T., 2002, In: Advances in Space Research. 29, 9, p. 1363-1368 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  33. Published

    Ionospheric electron heating, optical emissions, and striations induced by powerful HF radio waves at high latitudes: Aspect angle dependence

    Rietveld, M. T., Kosch, M. J., Blagoveshchenskaya, N. F., Kornienko, V. A., Leyser, T. B. & Yeoman, T. K., 04/2003, In: Journal of Geophysical Research. 108, A4, p. 2/1-2/16

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  34. Published

    Correction to ``Ionospheric electron heating, optical emissions, and striations induced by powerful HF radio waves at high latitudes: Aspect angle dependence''

    Rietveld, M. T., Kosch, M. J., Blagoveshchenskaya, N. F., Kornienko, V. A., Leyser, T. B. & Yeoman, T. K., 04/2004, In: Journal of Geophysical Research. 109, A04306, p. 1-5 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  35. Published

    HF pump-induced electron heating and artificial airglow at high latitudes: Aspect angle dependence

    Rietveld, M. T., Kosch, M. J., Blagoveshchenskaya, N. F., Kornienko, V. A. & Leyser, T. B., 08/2002. 4 p.

    Research output: Contribution to conference - Without ISBN/ISSN › Other

  36. Published

    Classification of gas-dust formations from rocket exhaust in the upper atmosphere by scale and dynamics

    Platov, Y., Chernouss, S. & Kosch, M. J., 1/07/2004, In: Journal of Spacecraft and Rockets. 41, 4, p. 667-670 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  37. Published

    Sublimation of ice particles from rocket exhausts in the upper atmosphere

    Platov, Y. V. & Kosch, M. J., 12/2003, In: Journal of Geophysical Research. 108, A12, p. 8/1-8/5

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  38. Published

    Observations of artificial and natural optical emissions at the HAARP facility

    Pedersen, T., Esposito, R., Kendall, E., Sentman, D., Kosch, M., Mishin, E. & Marshall, R., 28/05/2008, In: Annales Geophysicae. 26, 5, p. 1089-1099 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  39. Published

    Persistent enhancement of the HF pump-induced plasma line measured with a UHF diagnostic radar at HAARP

    Oyama, S., Watkins, B. J., Djuth, F. T., Kosch, M. J., Bernhardt, P. A. & Heinselman, C. J., 06/2006, In: Journal of Geophysical Research. 111, A6, p. A06309

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  40. Published

    Development of low-cost multi-wavelength imager system for studies of aurora and airglow

    Ogawa, Y., Tanaka, Y., Kadokura, A., Hosokawa, K., Ebihara, Y., Motoba, T., Gustavsson, B., Brändström, U., Sato, Y., Oyama, S., Ozaki, M., Raita, T., Sigernes, F., Nozawa, S., Shiokawa, K., Kosch, M., Kauristie, K., Hall, C., Suzuki, S., Miyoshi, Y., & 3 othersGerrard, A., Miyaoka, H. & Fujii, R., 1/03/2020, In: Polar Science. 23, 10 p., 100501.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  41. Published

    The geospace response to variable inputs from the lower atmosphere: a review of the progress made by Task Group 4 of CAWSES-II

    Oberheide, J., Shiokawa, K., Gurubaran, S., Ward, W. E., Fujiwara, H., Kosch, M. J., Makela, J. J. & Takahashi, H., 11/02/2015, In: Progress in Earth and Planetary Science. 2, 1, 31 p., 2.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  42. Published

    First ground-based observations of sprites over southern Africa

    Nnadih, S., Kosch, M., Martinez, P. & Bor, J., 11/09/2018, In: South African Journal of Science . 114, 9-10, 6 p., 4272.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  43. Published

    Estimating the electron energy and the strength of the electric field within sprites using ground-based optical data observed over South African storms

    Nnadih, S., Kosch, M. & Mlynarczyk, J., 15/11/2021, In: Journal of Atmospheric and Solar-Terrestrial Physics. 225, 7 p., 105760.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  44. Published

    Simulation study for ground-based Ku-band microwave observations of ozone and hydroxyl in the polar middle atmosphere

    Newnham, D. A., Clilverd, M. A., Kosch, M., Seppälä, A. & Verronen, P. T., 1/03/2019, In: Atmospheric Measurement Techniques. 12, 2, p. 1375-1392 18 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  45. Published

    Ground-based Ku-band microwave observations of ozone in the polar middle atmosphere

    Newnham, D. A., Clilverd, M. A., Clark, W. D. J., Kosch, M., Verronen, P. T. & Rogers, A. E. E., 20/04/2022, In: Atmospheric Measurement Techniques. 15, 8, p. 2361-2376 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  46. Published

    A new auroral phenomenon, the anti-black aurora

    Nel, A., Kosch, M., Whiter, D., Gustavsson, B. & Aslaksen, T., 19/01/2021, In: Scientific Reports. 11, 9 p., 1829.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  47. Published

    Previously unreported optical emissions generated during ionospheric heating

    Mutiso, C. K., Hughes, J. M., Sivjee, G. G., Pedersen, T., Gustavsson, B. & Kosch, M. J., 19/07/2008, In: Geophysical Research Letters. 35, L14103, p. 1-6 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  48. Published

    Large-scale coordinated observations of Pc5 pulsation events

    Mtumela, Z., Walker, A. D. M., Stephenson, J. A. E. & Kosch, M. J., 29/09/2016, In: Annales Geophysicae. 34, p. 857-870 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  49. Published

    HF-induced airglow at magnetic zenith: Thermal and parametric instabilities near electron gyroharmonics

    Mishin, E. V., Kosch, M. J., Pedersen, T. R. & Burke, W. J., 12/2005, In: Geophysical Research Letters. 32, p. L23106

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  50. Published

    A Gas-lens Telescope

    Michaelis, M. M., Dempers, C. A., Kosch, M. J., Prause, A., Notcutt, M., Cunningham, P. F. & Waltham, J. A., 1991, In: Nature. 353, p. 547-548 2 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

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