Items where Author is "Kosch, M. J."

Mahmoudian, A. and Kosch, M. J. and Scales, W. A. and Rietveld, M. T. and Pinedo, H. (2022) Neutral Air Turbulence in the Mesosphere and Associated Polar Mesospheric Summer Echoes (PMSEs). Radio Science, 57 (2): e2021RS007. ISSN 0048-6604

Tsuda, T. T. and Rietveld, M. T. and Kosch, M. J. and Oyama, S. and Ogawa, Y. and Hosokawa, K. and Nozawa, S. and Kawabata, T. and Mizuno, A. (2018) Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Tromso using dynasonde data. Earth, Planets and Space, 70: 94. ISSN 1880-5981

Billett, D. D. and Grocott, A. and Wild, J. A. and Walach, M.-t. and Kosch, M. J. (2018) Diurnal variations in global Joule heating morphology and magnitude due to neutral winds. Journal of Geophysical Research: Space Physics, 123 (3). pp. 2398-2411. ISSN 2169-9402

Fu, H. Y. and Scales, W. A. and Bernhardt, P. A. and Briczinski, S. J. and Kosch, M. J. and Senior, A. and Rietveld, M. T. and Yeoman, T. K. and Ruohoniemi, J. M. (2015) Stimulated Brillouin scattering during electron gyro-harmonic heating at EISCAT. Annales Geophysicae, 33 (8). pp. 983-990. ISSN 0992-7689

Havnes, O. and Pinedo, H. and La Hoz, C. and Senior, A. and Hartquist, T. W. and Rietveld, M. T. and Kosch, M. J. (2015) A comparison of overshoot modelling with observations of polar mesospheric summer echoes at radar frequencies of 56 and 224 MHz. Annales Geophysicae, 33 (6). pp. 737-747. ISSN 0992-7689

Senior, A. and Mahmoudian, A. and Pinedo, H. and La Hoz, C. and Rietveld, M. T. and Scales, W. A. and Kosch, M. J. (2014) First modulation of high-frequency polar mesospheric summer echoes by radio heating of the ionosphere. Geophysical Research Letters, 41 (15). pp. 5347-5353. ISSN 0094-8276

Denton, M. H. and Kosch, M. J. and Borovsky, J. E. and Clilverd, M. A. and Friedel, R. H. W. and Ulich, T. (2014) First optical observations of energetic electron precipitation at 4278 Å caused by a powerful VLF transmitter. Geophysical Research Letters, 41 (7). pp. 2237-2242. ISSN 0094-8276

Vickers, H. and Kosch, M. J. and Sutton, E. and Bjoland, L. and Ogawa, Y. and La Hoz, C. (2014) A solar cycle of upper thermosphere density observations from the EISCAT Svalbard Radar : thermospheric density over Svalbard. Journal of Geophysical Research: Space Physics, 119. ISSN 2169-9380

Bryers, C. J. and Kosch, M. J. and Senior, A. and Rietveld, M. T. and Singer, W. (2013) A comparison between resonant and nonresonant heating at EISCAT. Journal of Geophysical Research, 118 (10). pp. 6766-6776. ISSN 0148-0227

Senior, A. and Rietveld, M. T. and Häggström, I. and Kosch, M. J. (2013) Radio-induced incoherent scatter ion line enhancements with wide altitude extents in the high-latitude ionosphere. Geophysical Research Letters, 40 (9). pp. 1669-1674. ISSN 0094-8276

Vickers, H. and Kosch, M. J. and Sutton, E. and Ogawa, Y. and La Hoz, C. (2013) Thermospheric atomic oxygen density estimates using the EISCAT Svalbard Radar. Journal of Geophysical Research, 118 (3). pp. 1319-1330. ISSN 0148-0227

Grach, S. M. and Kosch, M. J. and Yashnov, V. A. and Sergeev, E. N. and Atroshenko, M. A. and Kotov, P. V. (2007) On the location and structure of the artificial 630-nm airglow patch over Sura facility. Annales Geophysicae, 25 (3). pp. 689-700. ISSN 0992-7689

Senior, A. and Kosch, M. J. and Yeoman, T. K. and Rietveld, M. T. and McCrea, I. W. (2006) Effects of high-latitude atmospheric gravity wave disturbances on artificial HF radar backscatter. Annales Geophysicae, 24 (9). pp. 2347-2361. ISSN 0992-7689

Kosch, M. J. and Gustavsson, B. and Blixt, E. M. and Pedersen, T. and Senior, A. and Kavanagh, A. J. and Semeter, J. (2006) EISCAT radar and optical studies of black aurora: A signature of magnetospheric turbulence? In: Proceedings of the Eighth International Conference on Substorms (ICS8), 1900-01-01.

Ashrafi, M. and Kosch, M. J. and Honary, F. (2006) Heater-induced altitude descent of the EISCAT UHF ion line enhancements: Observations and modelling. Advances in Space Research, 38 (11). pp. 2645-2652. ISSN 0273-1177

Havnes, O. and Hoz, C. La and Aylward, A. and Belova, E. and Hartquist, T. W. and Kosch, M. J. and Morfill, G. and Jones, G. O. L. and Naesheim, L. I. and Rietveld, M. T. and Rubin-Zubic, M. and Sigernes, F. (2006) Observations of the overshoot effect during the 2004 EISCAT PMSE campaign. Advances in Space Research, 38 (11). pp. 2344-2352. ISSN 0273-1177

Holma, H. and Kaila, K. U. and Kosch, M. J. and Rietveld, M. T. (2006) Recognizing the blue emission in artificial aurora. Advances in Space Research, 38 (11). pp. 2653-2658. ISSN 0273-1177

Mishin, E. V. and Kosch, M. J. and Pedersen, T. R. and Burke, W. J. (2005) HF-induced airglow at magnetic zenith: Thermal and parametric instabilities near electron gyroharmonics. Geophysical Research Letters, 32. L23106. ISSN 0094-8276

Ashrafi, M. and Kosch, M. J. and Kaila, K. (2005) Height triangulation of artificial optical emissions in the F-layer. In: Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop, 1900-01-01.

Kosch, M. J. (2005) Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop. Department of Communication Systems, Lancaster University, Ambleside, UK.

Kosch, M. J. and Pedersen, T. and Hughes, J. and Marshall, R. and Gerken, E. and Senior, A. and Sentman, D. and McCarrick, M. and Djuth, F. T. (2005) Artificial optical emissions at HAARP for pump frequencies near the third and second electron gyro-harmonic. Annales Geophysicae, 23 (5). pp. 1585-1592. ISSN 0992-7689

Blixt, E. M. and Kosch, M. J. and Semeter, J. (2005) Relative drift between black aurora and the ionospheric plasma. Annales Geophysicae, 23 (5). pp. 1611-1621. ISSN 0992-7689

Gustavsson, B. and Sergienko, T. and Kosch, M. J. and Rietveld, M. T. and Brändström, B. U. E. and Leyser, T. B. and Isham, B. and Gallop, P. and Aso, T. and Ejiri, M. and Grydeland, T. and LaHoz, C. and Kaila, K. and Jussila, J. and Holma, H. (2005) The electron energy distribution during HF pumping, a picture painted with all colors. Annales Geophysicae, 23 (5). pp. 1747-1754. ISSN 0992-7689

Alpatov, V. V. and Deminov, M. G. and Faermark, D. S. and Grebnev, I. A. and Kosch, M. J. (2005) Dynamics of Alfvén waves in the night-side ionospheric Alfvén resonator at mid-latitudes. Annales Geophysicae, 23 (2). pp. 499-507. ISSN 0992-7689

Ashrafi, M. and Kosch, M. J. and Honary, F. (2005) Comparison of the characteristic energy of precipitating electrons derived from ground-based and DMSP satellite data. Annales Geophysicae, 23 (1). pp. 135-145. ISSN 0992-7689

Aruliah, A. L. and Griffin, E. M. and Aylward, A. D. and Ford, E. A. K. and Kosch, M. J. and Davis, C. J. and Howells, V. S. C. and Pryse, S. E. and Middleton, H. R. and Jussila, J. (2005) First direct evidence of meso-scale variability on ion-neutral dynamics using co-located tristatic fpis and EISCAT radar in Northern Scandinavia. Annales Geophysicae, 23 (1). pp. 147-162. ISSN 0992-7689

Blagoveshchenskaya, N. F. and Borisova, T. D. and Kornienko, V. A. and Thidé, B. and Rietveld, M. T. and Kosch, M. J. and Bösinger, T. (2005) Phenomena in the ionosphere-magnetosphere system induced by injection of powerful HF radio waves into nightside auroral ionosphere. Annales Geophysicae, 23 (1). pp. 87-100. ISSN 0992-7689

Senior, A. and Borisov, N. D. and Kosch, M. J. and Yeoman, T. K. and Honary, F. and Rietveld, M. T. (2004) Multi-frequency HF radar measurements of artificial F-region field-aligned irregularities. Annales Geophysicae, 22 (10). pp. 3503-3511. ISSN 0992-7689

Kosch, M. J. and Rietveld, M. T. and Senior, A. and McCrea, I. W. and Kavanagh, A. J. and Isham, B. and Honary, F. (2004) Novel artificial optical annular structures in the high latitude ionosphere over EISCAT. Geophysical Research Letters, 31 (12). L12805 1-4. ISSN 0094-8276

Blixt, E. M. and Kosch, M. J. (2004) Coordinated optical and EISCAT observations of black aurora. Geophysical Research Letters, 31 (6): L06813. ISSN 0094-8276

Kavanagh, A. J. and Kosch, M. J. and Honary, F. and Senior, A. and Marple, S. R. and Woodfield, E. E. and McCrea, I. W. (2004) The statistical dependence of auroral absorption on geomagnetic and solar wind parameters. Annales Geophysicae, 22 (3). pp. 877-887. ISSN 0992-7689

Aruliah, A. L. and Griffin, E. M. and McWhirter, I. and Aylward, A. D. and Ford, E. A. K. and Charalambous, A. and Kosch, M. J. and Davis, C. J. and Howells, V. S. C. (2004) First tristatic studies of meso-scale ion-neutral dynamics and energetics in the high-latitude upper atmosphere using collocated fpis and EISCAT radar. Geophysical Research Letters, 31 (3): L03802. pp. 1-4. ISSN 0094-8276

Cierpka, K. and Kosch, M. J. and Holma, H. and Kavanagh, A. J. and Hagfors, T. (2003) Novel Fabry-Perot interferometer measurements of F-region ion temperature. Geophysical Research Letters, 30 (6): 26. ISSN 0094-8276

Kosch, M. J. and Mäkinen, S. and Sigernes, F. and Harang, O. (2003) Absolute optical calibration using a simple tungsten light bulb: Experiment. In: Proceedings of the 30th Annual European Meeting on Atmospheric Studies by Optical Methods, 1900-01-01.

Kosch, M. J. and Rietveld, M. T. and Kavanagh, A. J. and Davis, C. and Yeoman, T. K. and Honary, F. and Hagfors, T. (2002) High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic. Geophysical Research Letters, 29 (23). pp. 2112-2115. ISSN 0094-8276

Kosch, M. J. and Rietveld, M. T. and Yeoman, T. K. and Cierpka, K. and Hagfors, T. (2002) The high-latitude artificial aurora of 21 February 1999: An analysis. Advances in Polar Upper Atmosphere Research, 16. pp. 1-12. ISSN 1345-1065

Rietveld, M. T. and Kosch, M. J. and Blagoveshchenskaya, N. F. and Kornienko, V. A. and Leyser, T. B. (2002) HF pump-induced electron heating and artificial airglow at high latitudes: Aspect angle dependence. In: 29th General Assembly of the International Union of Radio Science, 1900-01-01.

Kosch, M. J. and Rietveld, M. T. and Kavanagh, A. J. and Jussila, J. and Isham, B. and Kaila, K. and McCrea, I. W. and Senior, A. and Holma, H. and Honary, F. and Hagfors, T. (2002) High-latitude artificial aurora using the EISCAT high-gain HF facility. In: 29th General Assembly of the International Union of Radio Science, 1900-01-01.

Borisova, T. D. and Blagoveshchenskaya, N. F. and Moskvin, I. V. and Rietveld, M. T. and Kosch, M. J. and Thidé, B. (2002) Doppler shift simulation of scattered HF signals during the Troms HF pumping experiment on 16 February 1996. Annales Geophysicae, 20 (9). pp. 1479-1486. ISSN 0992-7689

delPozo, C. F. and Kosch, M. J. and Honary, F. (2002) Estimation of the characteristic energy of electron precipitation. Annales Geophysicae, 20 (9). pp. 1349-1359. ISSN 0992-7689

Sugino, M. and Fujii, R. and Nozawa, S. and Nagatsuma, T. and Buchert, S. C. and Gjerloev, J. W. and Kosch, M. J. (2002) Field-aligned currents and ionospheric parameters deduced from EISCAT radar measurements in the post-midnight sector. Annales Geophysicae, 20 (9). pp. 1335-1348. ISSN 0992-7689

del Pozo, C. F. and Honary, F. and Stamatiou, N. and Kosch, M. J. (2002) Study of auroral forms and electron precipitation with the IRIS, DASI and EISCAT systems. Annales Geophysicae, 20 (9). pp. 1361-1375. ISSN 0992-7689

Harang, O. and Kosch, M. J. (2001) Absolute optical calibrations using a simple tungsten bulb: Theory. In: 28th Annual European Meeting on Atmospheric Studies by Optical Methods, 1900-01-01.

Kosch, M. J. and Rietveld, M. T. and Honary, F. and Hagfors, T. (2001) High latitude artificial aurora from EISCAT: An unique phenomenon? In: 28th Annual European Meeting on Atmospheric Studies by Optical Methods, 1900-01-01.

Kosch, M. J. and Cierpka, K. and Rietveld, M. T. and Hagfors, T. and Schlegel, K. (2001) High-latitude ground-based observations of the thermospheric ion-drag time constant. Geophysical Research Letters, 28 (7). pp. 1395-1398. ISSN 0094-8276

Kosch, M. J. and Nielsen, E. (2001) Statistical average estimates of high latitude field-aligned currents from the STARE and SABRE coherent VHF radar systems. Advances in Space Research, 27 (6--7). pp. 1239-1244. ISSN 0273-1177

Kosch, M. J. and Scourfield, M. W. J. and Amm, O. (2001) The importance of conductivity gradients in ground-based field-aligned current studies. Advances in Space Research, 27 (6-7). pp. 1277-1282. ISSN 0273-1177

Kosch, M. J. and Rietveld, M. T. and Hagfors, T. and Leyser, T. B. (2000) High-latitude HF-induced airglow displaced equatorwards of the pump beam. Geophysical Research Letters, 27 (17). pp. 2817-2820. ISSN 0094-8276

Cierpka, K. and Kosch, M. J. and Nozawa, S. and Schlegel, K. and Kohsiek, A. and Hagfors, T. (2000) Combined EISCAT and Fabry-Perot Interferometer Measurements of Ionospheric-Thermospheric Coupling. Physics and Chemistry of the Earth, Part C: Solar, Terrestrial and Planetary Science, 25 (5-6). pp. 563-566. ISSN 1464-1917

Cierpka, K. and Kosch, M. J. and Rietveld, M. T. and Schlegel, K. and Hagfors, T. (2000) Direct Calculation of F-Region Joule Heating from Simultaneous Ion and Neutral Measurements at High Latitudes. Physics and Chemistry of the Earth Part B: Hydrology, Oceans and Atmosphere, 25 (5-6). pp. 439-442. ISSN 1464-1909

Kosch, M. J. and Rietveld, M. T. and Steen, AA. (2000) HF Induced Airglow: Double Patches. Physics and Chemistry of the Earth Part B: Hydrology, Oceans and Atmosphere, 25 (5-6). pp. 475-481. ISSN 1464-1909

Cierpka, K. and Kosch, M. J. and Rietveld, M. T. and Schlegel, K. and Hagfors, T. (2000) Ion-neutral coupling in the high-latitude F-layer from incoherent scatter and Fabry-Perot measurements. Annales Geophysicae, 18 (9). pp. 1145-1153. ISSN 0992-7689

Kosch, M. J. and Ishi, M. and Nozawa, S. and Rees, D. and Cierpka, K. and Kohsiek, A. and Schlegel, K. and Fujii, R. and Hagfors, T. and Fuller-Rowell, T. J. and Lathuillere, C. (2000) A comparison of thermospheric winds and temperatures from Fabry-Perot Interferometer and EISCAT Radar measurements with models. Advances in Space Research, 26 (6). pp. 979-984. ISSN 0273-1177

Kosch, M. J. and Ishi, M. and Kohsiek, A. and Rees, D. and Schlegel, K. and Hagfors, T. and Cierpka, K. (2000) A comparison of vertical thermospheric winds from Fabry-Perot Interferometer measurements over a 50 km baseline. Advances in Space Research, 26 (6). pp. 985-988. ISSN 0273-1177

Kosch, M. J. and Nielsen, E. and Hagfors, T. (1998) A new digital all-sky imager for optical auroral studies in conjunction with the Scandinavian twin auroral radar experiment. Review of Scientific Instruments, 69 (2). pp. 578-584. ISSN 1089-7623

Kosch, M. J. and Hagfors, T. and Schlegel, K. (1998) Extrapolating EISCAT height-integrated Pedersen conductivites to other parts of the sky using ground-based TV auroral images. Annales Geophysicae, 16 (5). pp. 583-588. ISSN 0992-7689

Frey, H. U. and Frey, S. and Lanchester, B. S. and Kosch, M. J. (1998) Optical tomography of the aurora and EISCAT. Annales Geophysicae, 16 (10). pp. 1332-1342. ISSN 0992-7689

Kosch, M. J. and Hagfors, T. and Rees, D. (1997) A new Fabry-Perot interferometer for atmospheric studies with the EISCAT incoherent radar. Advances in Space Research, 20 (6). pp. 1133-1136. ISSN 0273-1177

Hough, G. and Kosch, M. J. and Scourfield, M. W. J. (1993) WAND Auroral Imager for SANAE. South African Journal of Antarctic Research, 21 (2). p. 113. ISSN 0081-2455

Hough, G. and Kosch, M. J. and Scourfield, M. W. J. (1992) First Observations of Super Fast Auroral Waves. Geophysical Research Letters, 19 (24). pp. 2433-2436. ISSN 0094-8276

Kosch, M. J. and Scourfield, M. W. J. (1992) Resolution of Temporal and Spatial Ambiguities of Intensity Variations within Pulsating Aurorae. Journal of Geophysical Research, 97 (A10). pp. 14877-14883. ISSN 0148-0227

Michaelis, M. M. and Dempers, C. A. and Kosch, M. J. and Prause, A. and Notcutt, M. and Cunningham, P. F. and Waltham, J. A. (1991) A Gas-lens Telescope. Nature, 353. pp. 547-548.