Items where Author is "Yeoman, T. K."

Journal Article

Elsden, T. and Yeoman, T. K. and Wharton, S. J. and Rae, I.J. and Sandhu, J. K. and Walach, Maria and James, M. K. and Wright, D. M. (2022) Modeling the Varying Location of Field Line Resonances During Geomagnetic Storms. Journal of Geophysical Research: Space Physics, 127 (1): e2021IJA02. ISSN 2169-9402

Wharton, S. J. and Rae, I.J. and Sandhu, J. K. and Walach, Maria and Wright, D. M. and Yeoman, T. K. (2020) The Changing Eigenfrequency Continuum during Geomagnetic Storms : Implications for Plasma Mass Dynamics and ULF Wave Coupling. Journal of Geophysical Research: Space Physics, 125 (6): e2019JA027. ISSN 2169-9402

Walach, M. T. and Milan, S. E. and Yeoman, T. K. and Hubert, B. A. and Hairston, M. R. (2017) Testing nowcasts of the ionospheric convection from the expanding and contracting polar cap model. Space Weather, 15 (4). pp. 623-636. ISSN 1539-4956

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

Kosch, Michael and Bryers, Carl and Rietveld, M. T. and Yeoman, T. K. and Ogawa, Yasunobu (2014) Aspect angle sensitivity of pump-induced optical emissions at EISCAT. Earth, Planets and Space, 66 (1): 159. ISSN 1343-8832

Blagoveshchenskaya, N. F. and Borisova, T. D. and Kosch, Michael and Sergienko, T. and Brandstrom, Urban and Yeoman, T. K. and Haggstrom, Ingemar (2014) Optical and Ionospheric Phenomena at EISCAT under continuous X-mode HF pumping. Journal of Geophysical Research, 119 (12). pp. 10483-10498. ISSN 0148-0227

Jinks, S. L. and Bunce, E. J. and Cowley, S. W. H. and Provan, G. and Yeoman, T. K. and Arridge, C. S. and Dougherty, M. K. and Gurnett, D. A. and Krupp, N. and Kurth, W. S. and Mitchell, Donald. G. and Morooka, M. and Wahlund, J. -E. (2014) Cassini multi-instrument assessment of Saturn's polar cap boundary. Journal of Geophysical Research: Space Physics, 119 (10). pp. 8161-8177. ISSN 2169-9380

Borisova, T. D. and Blagoveshchenskaya, N. F. and Kalishin, A. S. and Kosch, Michael and Senior, Andrew and Rietveld, M. T. and Yeoman, T. K. and Häggström, I. (2014) Phenomena in the high-latitude ionospheric F region induced by a HF heater wave at frequencies near the fourth electron gyroharmonic. Radiophysics and Quantum Electronics, 57 (1). pp. 1-19. ISSN 0033-8443

Bryers, Carl and Kosch, Michael and Senior, Andrew and Rietveld, M. T. and Yeoman, T. K. (2013) The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT. Journal of Geophysical Research: Space Physics, 118 (11). pp. 7472-7481. ISSN 2169-9402

Milan, S. E. and Grocott, A. and De Larquier, S. and Lester, M. and Yeoman, T. K. and Freeman, M. P. and Chisham, G. (2013) Traveling ionospheric disturbances in the Weddell Sea Anomaly associated with geomagnetic activity. Journal of Geophysical Research: Space Physics, 118 (10). pp. 6608-6617. ISSN 2169-9402

Bryers, Carl and Kosch, Michael and Senior, Andrew and Rietveld, M.T. and Yeoman, T. K. (2012) EISCAT observations of pump-enhanced plasma temperature and optical emission excitation rate as a function of power flux. Journal of Geophysical Research, 117: A09301. ISSN 0148-0227

Grocott, A. and Milan, S. E. and Imber, S. M. and Lester, M. and Yeoman, T. K. (2012) A quantitative deconstruction of the morphology of high-latitude ionospheric convection. Journal of Geophysical Research, 117 (A5): 05317. ISSN 0148-0227

Grocott, A. and Milan, S. E. and Baker, J. B. H. and Freeman, M. P. and Lester, M. and Yeoman, T. K. (2011) Dynamic subauroral ionospheric electric fields observed by the Falkland Islands radar during the course of a geomagnetic storm. Journal of Geophysical Research, 116 (A11): A11202. ISSN 0148-0227

Amm, O. and Grocott, A. and Lester, M. and Yeoman, T. K. (2010) Local determination of ionospheric plasma convection from coherent scatter radar data using the SECS technique. Journal of Geophysical Research, 115 (A3): A03304. ISSN 0148-0227

Badman, S. V. and Wright, D. M. and Clausen, L. B. N. and Fear, R. C. and Robinson, T. R. and Yeoman, T. K. (2009) Cluster spacecraft observations of a ULF wave enhanced by Space Plasma Exploration by Active Radar (SPEAR). Annales Geophysicae, 27 (9). pp. 3591-3599. ISSN 0992-7689

Yeoman, T. K. and Chisham, G. and Baddeley, L. J. and Dhillion, R. S. and Karhunen, T. J. T. and Robinson, T. R. and Senior, A. and Wright, D. M. (2008) Mapping ionospheric backscatter measured by the SuperDARN HF radars - part 2: Assessing SuperDARN virtual height models. Annales Geophysicae, 26 (4). pp. 843-852. ISSN 0992-7689

Grocott, A. and Milan, S. E. and Yeoman, T. K. (2008) Interplanetary magnetic field control of fast azimuthal flows in the nightside high-latitude ionosphere. Geophysical Research Letters, 35 (8): L08102. ISSN 0094-8276

Grocott, A. and Yeoman, T. K. and Milan, S. E. and Amm, O. and Frey, H. U. and Juusola, L. and Nakamura, R. and Owen, C. J. and Rème, H. and Takada, T. (2007) Multi-scale observations of magnetotail flux transport during IMF-northward non-substorm intervals. Annales Geophysicae, 25 (7). pp. 1709-1720. ISSN 0992-7689

Chisham, G. and Lester, M. and Milan, S. E. and Freeman, M. P. and Bristow, W. A. and Grocott, A. and Mcwilliams, K. A. and Ruohoniemi, J. M. and Yeoman, T. K. and Dyson, P. L. and Greenwald, R. A. and Kikuchi, T. and Pinnock, M. and Rash, J. P. S. and Sato, N. and Sofko, G. J. and Villain, J.-p. and Walker, A. D. M. (2007) A decade of the Super Dual Auroral Radar Network (SuperDARN) : scientific achievements, new techniques and future directions. Surveys in Geophysics, 28 (1). pp. 33-109. ISSN 0169-3298

Grocott, A. and Lester, M. and Parkinson, M. L. and Yeoman, T. K. and Dyson, P. L. and Devlin, J. C. and Frey, H. U. (2006) Towards a synthesis of substorm electrodynamics : HF radar and auroral observations. Annales Geophysicae, 24 (12). pp. 3365-3381. ISSN 0992-7689

Hu, H. and Yeoman, T. K. and Lester, M. and Liu, R. and Yang, H. and Grocott, A. (2006) Dayside flow bursts and high-latitude reconnection when the IMF is strongly northward. Annales Geophysicae, 24 (8). pp. 2227-2242. 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

Wild, James A. and Yeoman, T. K. and Waters, C. L. (2005) Revised time-of-flight calculations for high-latitude geomagnetic pulsations using a realistic magnetospheric magnetic field model. Journal of Geophysical Research, 110 (A11). A11206. ISSN 0148-0227

Grocott, A. and Yeoman, T. K. and Milan, S. E. and Cowley, S. W. H. (2005) Interhemispheric observations of the ionospheric signature of tail reconnection during IMF-northward non-substorm intervals. Annales Geophysicae, 23 (5). pp. 1763-1770. ISSN 0992-7689

Parkinson, M. L. and Pinnock, M. and Wild, J. A. and Lester, M. and Yeoman, T. K. and Milan, S. E. and Ye, H. and Devlin, J. C. and Dyson, P. L. and Kikuchi, T. (2005) Interhemispheric asymmetries in the occurrence of magnetically conjugate sub-auroral polarisation streams. Annales Geophysicae, 23 (4). pp. 1371-1390. ISSN 0992-7689

Sinha, A. K. and Yeoman, T. K. and Wild, J. A. and Wright, D. M. and Cowley, S. W. H. and Balogh, A. (2005) Evidence of Transverse Magnetospheric Field Line Oscillations as Observed from Cluster and Ground Magnetometers. Annales Geophysicae, 23 (3). pp. 919-929. ISSN 0992-7689

Cowley, S. W. H. and Badman, Sarah V. and Bunce, E. J. and Clarke, J. T. and Gérard, J.-c. and Grodent, Denis and Jackman, Caitriona M. and Milan, S. E. and Yeoman, T. K. (2005) Reconnection in a rotation-dominated magnetosphere and its relation to Saturn's auroral dynamics. Journal of Geophysical Research, 110 (A2): A02201. ISSN 0148-0227

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

Grocott, A. and Badman, S. V. and Cowley, S. W. H. and Yeoman, T. K. and Cripps, P. J. (2004) The influence of IMF By on the nature of the nightside high-latitude ionospheric flow during intervals of positive IMF Bz. Annales Geophysicae, 22 (5). pp. 1755-1764. ISSN 0992-7689

Rietveld, M. T. and Kosch, Mike J. and Blagoveshchenskaya, N. F. and Kornienko, V. A. and Leyser, T. B. and Yeoman, T. K. (2004) Correction to ``Ionospheric electron heating, optical emissions, and striations induced by powerful HF radio waves at high latitudes: Aspect angle dependence''. Journal of Geophysical Research, 109 (A04306). pp. 1-5. ISSN 0148-0227

Lester, M. and Chapman, P. J. and Cowley, S. W. H. and Crooks, S. J. and Davies, J. A. and Hamadyk, P. and McWilliams, K. A. and Milan, S. E. and Parsons, M. J. and Payne, D. B. and Thomas, E. C. and Thornhill, J. D. and Wade, N. M. and Yeoman, T. K. and Barnes, R. J. (2004) Stereo CUTLASS-a new capability for the SuperDARN HF radars. Annales Geophysicae, 22 (2). pp. 459-473. ISSN 0992-7689

Rietveld, M. T. and Kosch, Mike J. and Blagoveshchenskaya, N. F. and Kornienko, V. A. and Leyser, T. B. and Yeoman, T. K. (2003) Ionospheric electron heating, optical emissions, and striations induced by powerful HF radio waves at high latitudes: Aspect angle dependence. Journal of Geophysical Research, 108 (A4). 2/1-2/16. ISSN 0148-0227

Cowley, S. W. H. and Davies, J. A. and Grocott, A. and Khan, H. and Lester, M. and McWilliams, K. A. and Milan, S. E. and Provan, G. and Sandholt, P. E. and Wild, J. A. and Yeoman, T. K. (2003) Solar wind-magnetosphere-ionosphere interactions in the earth's plasma environment. Philosophical Transactions of the Royal Society of London A, 361 (1802). pp. 113-126. ISSN 0264-3820

Menk, F. W. and Yeoman, T. K. and Wright, D. M. and Lester, M. and Honary, F. (2003) High-latitude observations of impulse-driven ULF pulsations in the ionosphere and on the ground. Annales Geophysicae, 21 (2). pp. 559-576. ISSN 0992-7689

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

Mann, I. R. and Voronkov, I. and Dunlop, M. and Donovan, E. and Yeoman, T. K. and Milling, D. K. and Wild, J. and Kauristie, K. and Amm, O. and Bale, S. D. and Balogh, A. and Viljanen, A. and Opgenoorth, H. J. (2002) Coordinated ground-based and Cluster observations of large amplitude global magnetospheric oscillations during a fast solar wind speed interval. Annales Geophysicae, 20 (4). pp. 405-426. ISSN 0992-7689

Gauld, J. K. and Yeoman, T. K. and Davies, J. A. and Milan, S. E. and Honary, F. (2002) Superdarn radar HF propagation and absorption response to the substorm expansion phase. Annales Geophysicae, 20 (10). pp. 1631-1645. ISSN 0992-7689

Wild, J. A. and Cowley, S. W. H. and Davies, J. A. and Khan, H. and Lester, M. and Milan, S. E. and Provan, G. and Yeoman, T. K. and Balogh, A. and Dunlop, M. W. and Fornacon, K.-H. and Georgescu, E. (2001) First simultaneous observations of flux transfer events at the high-latitude magnetopause by the cluster spacecraft and pulsed radar signatures in the conjugate ionosphere by the CUTLASS and EISCAT radars. Annales Geophysicae, 19 (10-12). pp. 1491-1508. ISSN 0992-7689

Wild, J. A. and Yeoman, T. K. (2000) CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms. Annales Geophysicae, 18 (6). pp. 640-652. ISSN 0992-7689

Wild, J. A. and Yeoman, T. K. and Eglitis, P. and Opgenoorth, H. J. (2000) Multi-instrument observations of the electric and magnetic field structure of omega bands. Annales Geophysicae, 18 (1). pp. 99-110. ISSN 0992-7689

Wright, D. M. and Davies, J. A. and Robinson, T. R. and Chapman, P. J. and Yeoman, T. K. and Thomas, E. C. and Lester, M. and Cowley, F. C. and Stocker, A. J. and Horne, R. B. and Honary, F. (2000) Space plasma exploration by active radar (SPEAR): An overview of a future radar facility. Annales Geophysicae, 18 (9). pp. 1248-1255. ISSN 0992-7689

Contribution in Book/Report/Proceedings

Grocott, Adrian and Yeoman, T. K. (2006) SuperDARN observations of ionospheric convection during magnetospheric substorms. In: Eighth International Conference on Substorms :. Institute for Space Research, University of Calgary, pp. 81-86.

Grocott, Adrian and Yeoman, T. K. and Cowley, S. W. H. and Reme, Henri (2004) Multi-instrument observations of bursty bulk flows and their ionospheric counterparts. In: Seventh International Conference on Substorms :. Reports, 2004:5 . Finnish Meteorological Institute, Helsinki, Finland, 107–110.