Dr Clare Watt

Associate Professor

Research Interests:

  • Space Weather effects in Earth's Radiation Belts
  • The physics of wave-particle interactions in collisionless plasma
  • Novel methods for numerical simulation of space plasma

Postdoctoral and graduate student supervision

  • Heather Ratcliffe working on VLF/ELF wave-particle interactions in space plasma, with application to the Outer Radiation Belts.
  • Sarah Bentley working on ULF waves in the magnetosphere

Group Links

Recent Publications:

Publications for c.e.watt@reading.ac.uk

Jump to: 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007
Number of items: 39.

2017

Watt, C. E. J., Rae, I. J., Murphy, K. R., Anekallu, C., Bentley, S. N. and Forsyth, C. (2017) The parameterization of wave-particle interactions in the Outer Radiation Belt. Journal of Geophysical Research: Space Physics. ISSN 2169-9402 doi: 10.1002/2017JA024339

Ratcliffe, H. and Watt, C. E. J. (2017) Self-consistent formation of a 0.5 cyclotron frequency gap in magnetospheric whistler-mode waves. Journal of Geophysical Research - Space Physics. ISSN 0148-0227 doi: 10.1002/2017JA024399

Yao, Z. H., Rae , I. J., Guo, R. L., Fazakerley, A. N., Owen, C. J., Nakamura, R. , Baumjohann, W., Watt, C. E. J., Hwang, K. J., Giles, B. L., Russell, C. T., Torbert, R. B., Varsani, A., Fu, H. S., Shi, Q. Q. and Zhang, X. J. (2017) A direct examination of the dynamics of dipolarization fronts using MMS. Journal of Geophysical Research: Space Physics, 122 (4). pp. 4335-4347. ISSN 2169-9402 doi: 10.1002/2016JA023401

Kalmoni, N. M. E. , Rae, I. J., Murphy, K. R., Forsyth, C., Watt, C. E. J. and Owen, C. J. (2017) Statistical azimuthal structuring of the substorm onset arc: implications for the onset mechanism. Geophysical Research Letters, 44 (5). pp. 2078-2087. ISSN 0094-8276 doi: 10.1002/2016GL071826

Lockwood, M., Owens, M. J., Barnard, L. A., Scott, C. J. and Watt, C. E. (2017) Space climate and space weather over the past 400 years: 1. the power input to the magnetosphere. Journal of Space Weather and Space Climate, 7. A25. ISSN 2115-7251 doi: 10.1051/swsc/2017019

Rae, I. J., Murphy, K.R., Watt, C. E. J., Mann , I. R., Yao, Z., Kalmoni, N. M. E., Forsyth, C. and Milling, D. K. (2017) Using ultra-low frequency waves and their characteristics to diagnose key physics of substorm onset. Geoscience Letters, 4. 23. ISSN 2196-4092 doi: 10.1186/s40562-017-0089-0

2016

Murphy, K. R., Mann, I. R., Rae, I. J., Sibeck, D. G. and Watt, C. E. J. (2016) Accurately characterising the importance of wave-particle interactions in radiation belt dynamics: the pitfalls of statistical wave representations. Journal of Geophysical Research, 121 (8). pp. 7895-7899. ISSN 0148-0227 doi: 10.1002/2016JA022618

Forsyth, C., Rae, I. J., Murphy, K. R., Freeman, M. P., Huang , C.-L., Spence, H. E., Boyd, A. J., Coxon, J. C., Jackman, C. M., Kalmoni, N. M. E. and Watt, C. E. J. (2016) What effect do substorms have on the content of the radiation belts? Journal of Geophysical Research: Space Physics, 121 (7). pp. 6292-6306. ISSN 2169-9402 doi: 10.1002/2016JA022620

Lockwood, M., Owens, M. J., Barnard, L. A. , Bentley, S., Scott, C. J. and Watt, C.E. (2016) On the origins and timescales of geoeffective IMF. Space Weather, 14 (6). pp. 406-432. ISSN 1542-7390 doi: 10.1002/2016SW001375

Hartley, D. P., Kletzing, C. A., Kurth, W. S., Bounds, S. R., Averkamp, T. F., Hospodarsky, G. B., Wygant, J. R., Bonnell, J. W., Santolik, O. and Watt, C. E. J. (2016) Using the cold plasma dispersion relation and whistler mode waves to quantify the antenna sheath impedance of the Van Allen Probes EFW instrument. Journal of Geophysical Research: Space Physics, 121 (5). pp. 4590-4606. ISSN 2169-9402 doi: 10.1002/2016JA022501

Rae, I. J. and Watt, C. E. J. (2016) ULF waves above the nightside auroral oval during substorm onset. In: Keiling, A., Lee, D.-H. and Nakariakov, V. (eds.) Low Frequency Waves in Space Plasmas. Wiley, pp. 101-120. ISBN 9781119054955

2015

Kalmoni, N. M. E., Rae, I. J., Watt, C. E. J., Murphy, K. R., Forsyth, C. and Owen, C. J. (2015) Statistical characterisation of the growth and spatial scales of the substorm onset arc. Journal of Geophysical Research, 120 (10). pp. 8503-8516. ISSN 0148-0227 doi: 10.1002/2015Ja021470

2014

Forsyth, C., Watt, C. J. E., Rae, I. J., Fazakerley, A., Kalmoni, N. M. E., Freeman, M. P., Boakes, P. D., Nakamura, R., Dandouras, I., Kistler, L. M., Jackman, C. M., Coxon, J. C. and Carr, C. M. (2014) Increases in plasma sheet temperature with solar wind driving during substorm growth phases. Geophysical Research Letters, 41 (24). pp. 8713-8721. ISSN 0094-8276 doi: 10.1002/2014GL062400

Owens, M. J., Scott, C. J., Lockwood, M., Barnard, L., Harrison, R. G., Nicoll, K., Watt, C. and Bennett, A. J. (2014) Modulation of UK lightning by heliospheric magnetic field polarity. Environmental Research Letters, 9 (11). 115009. ISSN 1748-9326 doi: 10.1088/1748-9326/9/11/115009

Rae, I. J., Murphy, K.R., Watt, C.J., Rostoker, G., Rankin, R., Mann, I. R., Hodgson, C. R., Frey, H. U., Degeling, A. W. and Forsyth, C. (2014) Field line resonances as a trigger and a tracer for substorm onset. Journal of Geophysical Research: Space Physics, 119 (7). pp. 5343-5363. ISSN 2169-9402 doi: 10.1002/2013JA018889

Murphy, K. R., Miles, D. M., Watt, C. E.J., Rae, I. J., Mann, I. R. and Frey, H. U. (2014) Automated determination of auroral breakup during the substorm expansion phase using all sky imager data. Journal of Geophysical Research: Space Physics, 119 (2). pp. 1414-1427. ISSN 2169-9402 doi: 10.1002/2013JA018773

Forsyth, C., Fazakerley, A. N., Rae, I. J., Watt, C. E. J., Murphy, K., Wild, J. A., Karlsson, T., Mutel, R., Owen, C. .J., Ergun, R., Masson, A., Berthomier, M., Donovan, E., Frey, H. U., Matzka, J., Stolle, C. and Zhang, Y. (2014) In-situ spatio-temporal measurements of the detailed azimuthal substructure of the substorm current wedge. Journal of Geophysical Research: Space Physics, 119 (2). pp. 927-946. ISSN 2169-9402 doi: 10.1002/2013JA019302

2013

Rae, I. J., Murphy, K. R., Miles, D. M., Watt, C. E. J. and Mann, I. R. (2013) Comment on "Formation of Substorm Pi2: A coherent response to auroral streamers and currents" by Nishimura et al. Journal of Geophysical Research - Space Physics, 118 (6). pp. 3488-3496. ISSN 0148-0227 doi: 10.1002/jgra.50336

Watt, C. E. J. and Rankin, R. (2013) Alfvén wave acceleration of auroral electrons in warm magnetospheric plasma. In: Keiling, A., Donovan, E., Bagenal, F. and Karlsson, T. (eds.) Auroral Phenomenology and Magnetospheric Processes: Earth and Other Planets. Geophysical Monograph (197). American Geophysical Union, Washington DC, pp. 251-260. ISBN 9780875904870

Watt, C. E. J., Degeling, A. W. and Rankin, R. (2013) Constructing the frequency and wave normal distribution of whistler-mode wave power. Journal of Geophysical Research: Space Physics, 118 (5). pp. 1984-1991. ISSN 2169-9402 doi: 10.1002/jgra.50231

2012

Rodger, C. J., Clilverd, M. A., Kavanagh, A. J., Watt, C. E. J., Verronen, P. T. and Raita, T. (2012) Contrasting the responses of three different ground-based instruments to energetic electron precipitation. Radio Science, 47 (2). RS2021. ISSN 1944–799x doi: 10.1029/2011RS004971

Forsyth, C., Fazakerley, A. N., Walsh, A. P., Watt, C. E. J., Garza, K. J., Owen, C. J., Constantinescu, D., Dandouras, I., Fornaçon, K.-H., Lucek, E., Marklund, G. T., Sadeghi, S. S., Khotyaintsev, Y., Masson, A. and Doss, N. (2012) Temporal evolution and electric potential structure of the auroral acceleration region from multispacecraft measurements. Journal of Geophysical Research, 117. A12203. ISSN 0148-0227 doi: 10.1029/2012JA017655

Watt, C. E. J., Rankin, R. and Degeling, A. W. (2012) Whistler mode wave growth and propagation in the prenoon magnetosphere. Journal of Geophysical Research, 117. A06205. ISSN 0148-0227 doi: 10.1029/2012JA017765

Rae, I. J., Watt, C. E. J., Murphy, K. R., Frey, H. U., Ozeke, L. G., Milling, D. K. and Mann, I. R. (2012) The correlation of ULF waves and auroral intensity before, during and after substorm expansion phase onset. Journal of Geophysical Research, 117 (A8). A08213. ISSN 0148-0227 doi: 10.1029/2012JA017534

2011

Rae, I. J., Murphy, K. R., Watt, C. E. J. and Mann, I. R. (2011) On the nature of ULF wave power during nightside auroral activations and substorms: 2. temporal evolution. Journal of Geophysical Research, 116. A00I22. ISSN 0148-0227 doi: 10.1029/2010JA015762

Watt, C. E. J., Degeling, A. W., Rankin, R., Murphy, K. R., Rae, I. J. and Singer, H. J. (2011) Ultralow-frequency modulation of whistler-mode wave growth. Journal of Geophysical Research, 116. A10209. ISSN 0148-0227 doi: 10.1029/2011JA016730

2010

Rae, I. J., Kabin, K., Lu, J. Y., Rankin, R., Milan, S. E., Fenrich, F. R., Watt, C. E. J., Zhang, J.-C., Ridley, A. J., Gombosi, T. I., Clauer, C. R., Tóth, G. and DeZeeuw, D. L. (2010) Comparison of the open-closed separatrix in a global magnetospheric simulation with observations: the role of the ring current. Journal of Geophysical Research, 115. A08216. ISSN 0148-0227 doi: 10.1029/2009JA015068

Walsh, A. P., Rae, I. J., Fazakerley, A. N., Murphy, K. R., Mann, I. R., Watt, C. E. J., Volwerk, M., Forsyth, C., Singer, H. J., Donovan, E. F. and Zhang, T. L. (2010) Comprehensive ground-based and in situ observations of substorm expansion phase onset. Journal of Geophysical Research, 115. A00I13. ISSN 0148-0227 doi: 10.1029/2010JA015748

Watt, C. E. J. and Rankin, R. (2010) Do magnetospheric shear Alfvén waves generate sufficient electron energy flux to power the aurora? Journal of Geophysical Research, 115. A07224. ISSN 0148-0227 doi: 10.1029/2009JA015185

Rae, I. J., Watt, C. E. J., Mann, I. R., Murphy, K. R., Samson, J. C., Kabin, K. and Angelopoulos, V. (2010) Optical characterization of the growth and spatial structure of a substorm onset arc. Journal of Geophysical Research, 115. A10222. ISSN 0148-0227 doi: 10.1029/2010JA015376

2009

Watt, C. E. J. and Rankin, R. (2009) Comment on 'Role of dispersive Alfvén waves in generating parallel electric fields along the Io‐Jupiter fluxtube' by S. T. Jones and Y.‐J. Su. Journal of Geophysical Research, 114. A04212. ISSN 0148-0227 doi: 10.1029/2009JA014083

Watt, C. E. J. and Rankin, R. (2009) Electron trapping in shear Alfvén waves that power the aurora. Physical Review Letters, 102. 045002. ISSN 0031-9007 doi: 10.1103/PhysRevLett.102.045002

Rae, I. J., Mann, I. R., Angelopoulos, V., Murphy, K. R., Milling, D. K., Kale, A., Frey, H. U., Rostoker, G., Russell, C. T., Watt, C. E. J., Engebretson, M. J., Moldwin, M. B., Mende, S. B., Singer, H. J. and Donovan, E. F. (2009) Near-Earth initiation of a terrestrial substorm. Journal of Geophysical Research, 114. A07220. ISSN 0148-0227 doi: 10.1029/2008JA013771

Murphy, K. R., Rae, I. J., Mann, I. R., Walsh, A. P., Milling, D. K., Watt, C. E. J., Ozeke, L., Frey, H. U., Angelopoulos, V. and Russell, C. T. (2009) Reply to comment by K. Liou and Y.-L. Zhang on 'Wavelet-based ULF wave diagnosis of substorm expansion phase onset'. Journal of Geophysical Research, 114. A10207. ISSN 0148-0227 doi: 10.1029/2009JA014351

Rae, I. J., Mann, I. R., Murphy, K. R., Milling, D. K., Parent, A., Angelopoulos, V., Frey, H. U., Kale, A., Watt, C. E. J., Mende, S. B. and Russell, C. T. (2009) Timing and localization of ionospheric signatures associated with substorm expansion phase onset. Journal of Geophysical Research, 114. A00C09. ISSN 0148-0227 doi: 10.1029/2008JA013559

Murphy, K. R., Rae, I. J., Mann, I. R., Milling, D. K., Watt, C. E. J., Ozeke, L., Frey, H. U., Angelopoulos, V. and Russell, C. T. (2009) Wavelet-based ULF wave diagnosis of substorm expansion phase onset. Journal of Geophysical Research, 114. A00C16. ISSN 0148-0227 doi: 10.1029/2008JA013548

2008

Watt, C. E. J. and Rankin, R. (2008) DK-1D: a drift-kinetic simulation tool for modelling the shear Alfvén wave and its interaction with collisionless plasma. Plasma Physics and Controlled Fusion, 50 (7). 074008. ISSN 0741-3335 doi: 10.1088/0741-3335/50/7/074008

Watt, C. E. J. and Rankin, R. (2008) Electron acceleration and parallel electric fields due to kinetic Alfvén waves in plasma with similar thermal and Alfvén speeds. Advances in Space Research, 42 (5). pp. 964-969. ISSN 0273-1177 doi: 10.1016/j.asr.2007.03.030

2007

Rankin, R., Watt, C. E. J. and Samson, J. C. (2007) Self-consistent wave-particle interactions in dispersive scale long-period field-line-resonances. Geophysical Research Letters, 34 (23). L23103. ISSN 1944-8007 doi: 10.1029/2007GL031317

This list was generated on Wed Nov 22 11:14:14 2017 GMT.

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