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Items where NERC Author is "Chisham, Gareth"

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Number of items: 42.

Publication - Article

Lam, Mai Mai; Chisham, Gareth; Freeman, Mervyn P.. 2013 The interplanetary magnetic field influences mid-latitude surface atmospheric pressure. Environmental Research Letters, 8 (4). 10.1088/1748-9326/8/4/045001

Milan, S. E.; Grocott, A.; de Larquier, S.; Lester, M.; Yeoman, T. K.; Freeman, M. P.; Chisham, G.. 2013 Traveling ionospheric disturbances in the Weddell Sea Anomaly associated with geomagnetic activity. Journal of Geophysical Research: Space Physics, 118 (10). 6608-6617. 10.1002/jgra.50566

Chisham, Gareth; Freeman, Mervyn P.. 2013 A reassessment of SuperDARN meteor echoes from the upper mesosphere and lower thermosphere. Journal of Atmospheric and Solar-Terrestrial Physics, 102. 207-221. 10.1016/j.jastp.2013.05.018

Boakes, P.D.; Milan, S.E.; Abel, Gary A.; Freeman, Mervyn P.; Chisham, Gareth; Hubert, B.. 2011 A superposed epoch investigation of the relation between magnetospheric solar wind driving and substorm dynamics with geosynchronous particle injection signatures. Journal of Geophysical Research: Space Physics, 116 (A1), A01214. 12, pp. 10.1029/2010JA016007

Longden, Nicola; Chisham, Gareth; Freeman, Mervyn P.; Abel, Gary A.; Sotirelis, Tom. 2010 Estimating the location of the open-closed magnetic field line boundary from auroral images. Annales Geophysicae, 28 (9). 1659-1678. 10.5194/angeo-28-1659-2010

Chisham, G.; Freeman, M. P.. 2010 On the non-Gaussian nature of ionospheric vorticity. Geophysical Research Letters, 37, L12103. 5, pp. 10.1029/2010GL043714

Abel, G.A.; Freeman, M.P.; Chisham, G.. 2009 IMF clock angle control of multifractality in ionospheric velocity fluctuations. Geophysical Research Letters, 36 (19), L19102. 5, pp. 10.1029/2009GL040336

Chisham, G.; Freeman, M.P.; Abel, G.A.; Bristow, W.A.; Marchaudon, A.; Ruohoniemi, J.M.; Sofko, G.J.. 2009 Spatial distribution of average vorticity in the high-latitude ionosphere and its variation with interplanetary magnetic field direction and season. Journal of Geophysical Research, 114, A09301. 14, pp. 10.1029/2009JA014263

Boakes, P. D.; Milan, S. E.; Abel, G. A.; Freeman, M. P.; Chisham, G.; Hubert, B.. 2009 A statistical study of the open magnetic flux content of the magnetosphere at the time of substorm onset. Geophysical Research Letters, 36 (4), L04105. 5, pp. 10.1029/2008GL037059

Chisham, G.; Yeoman, T. K.; Sofko, G. J.. 2008 Mapping ionospheric backscatter measured by the SuperDARN HF radars - Part 1: A new empirical virtual height model. Annales Geophysicae, 26 (4). 823-841.

Yeoman, T. K.; Chisham, G.; Baddeley, L. J.; Dhillon, R. S.; Karhunen, T. J. T.; Robinson, T. R.; Senior, A.; Wright, D. M.. 2008 Mapping ionospheric backscatter measured by the SuperDARN HF radars - Part 2: Assessing SuperDARN virtual height models. Annales Geophysicae, 26 (4). 843-852. 10.5194/angeo-26-843-2008

Boakes, P.D.; Milan, S.E.; Abel, G.A.; Freeman, M.P.; Chisham, G.; Hubert, B.; Sotirelis, T.. 2008 On the use of IMAGE FUV for estimating the latitude of the open/closed magnetic field line boundary in the ionosphere. Annales Geophysicae, 26 (9). 2759-2769. 10.5194/angeo-26-2759-2008

Chisham, G.; Freeman, M.P.; Abel, G.A.; Lam, M. M.; Pinnock, M.; Coleman, I. J.; Milan, S. E.; Lester, M.; Bristow, W. A.; Greenwald, R. A.; Sofko, G. J.; Villain, J.-P.. 2008 Remote sensing of the spatial and temporal structure of magnetopause and magnetotail reconnection from the ionosphere. Reviews of Geophysics, 46 (1), RG1004. 27, pp. 10.1029/2007RG000223

Abel, G. A.; Freeman, M. P.; Chisham, G.; Watkins, N. W.. 2007 Investigating turbulent structure of ionospheric plasma velocity using the Halley SuperDARN radar. Nonlinear Processes in Geophysics, 14 (6). 799-809.

Chisham, G.; Lester, M.; Milan, S.E.; Freeman, M.P.; Bristow, W.A.; Grocott, A.; McWilliams, K.A.; Ruohoniemi, J.M.; Yeoman, T.K.; Dyson, P.L.; Greenwald, R.A.; Kikuchi, T.; Pinnock, M.; Rash, J.P.S.; Sato, N.; Sofko, G.J.; Villain, J.-P.; 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). 33-109. 10.1007/s10712-007-9017-8

Abel, G.A.; Freeman, M.P.; Chisham, G.. 2006 Spatial structure of ionospheric convection velocities in regions of open and closed magnetic field topology. Geophysical Research Letters, 33 (24). L24103. 10.1029/2006GL027919

Abel, G.A.; Freeman, M.P.; Chisham, G.. 2005 Comment on “Location of the reconnection line for northward interplanetary magnetic field” by K. J. Trattner, S. A. Fuselier, and S. M. Petrinec. Journal of Geophysical Research, 110 (A10), A10208. 2, pp. 10.1029/2004JA010973

Chisham, Gareth. 2005 New proxy for reconnection. Astronomy and Geophysics, 46 (4). 4.23-4.23. 10.1111/j.1468-4004.2005.46423.x

Chisham, G.; Freeman, M.P.; Sotirelis, T.; Greenwald, R.A.. 2005 The accuracy of using the spectral width boundary measured in off-meridional SuperDARN HF radar beams as a proxy for the open-closed field line boundary. Annales Geophysicae, 23 (7). 2599-2604. 10.5194/angeo-23-2599-2005

Chisham, G.; Freeman, M.P.; Lam, M.M.; Abel, G.A.; Sotirelis, T.; Greenwald, R.A.; Lester, M.. 2005 A statistical comparison of SuperDARN spectral width boundaries and DMSP particle precipitation boundaries in the afternoon sector ionosphere. Annales Geophysicae, 23 (12). 3645-3654. 10.5194/angeo-23-3645-2005

Chisham, G.; Freeman, M.P.; Sotirelis, T.; Greenwald, R.A.; Lester, M.; Villain, J.-P.. 2005 A statistical comparison of SuperDARN spectral width boundaries and DMSP particle precipitation boundaries in the morning sector ionosphere. Annales Geophysicae, 23 (3). 733-743. 10.5194/angeo-23-733-2005

Parkinson, M.L.; Chisham, G.; Pinnock, M.; Dyson, P.L.; Devlin, J.C.. 2004 Magnetic local time, substorm, and particle precipitation-related variations in the behaviour of SuperDARN Doppler spectral widths. Annales Geophysicae, 22 (12). 4103-4122. 10.5194/angeo-22-4103-2004

Chisham, G.; Freeman, M.P.; Coleman, I.J.; Pinnock, M.; Hairston, M.R.; Lester, M.; Sofko, G.. 2004 Measuring the dayside reconnection rate during an interval of due northward interplanetary magnetic field. Annales Geophysicae, 22 (12). 4243-4258. 10.5194/angeo-22-4243-2004

Freeman, M.P.; Chisham, G.. 2004 On the probability distributions of SuperDARN Doppler spectral width measurements inside and outside the cusp. Geophysical Research Letters, 31 (22), L22802. 4, pp. 10.1029/2004GL020923

Chisham, G.; Freeman, M.P.. 2004 An investigation of latitudinal transitions in the SuperDARN Doppler spectral width parameter at different magnetic local times. Annales Geophysicae, 22 (4). 1187-1202. 10.5194/angeo-22-1187-2004

Chisham, G.; Freeman, M.P.. 2004 A statistical comparison of SuperDARN spectral width boundaries and DMSP particle precipitation boundaries in the nightside ionosphere. Geophysical Research Letters, 31 (2), L02804. 4, pp. 10.1029/2003GL019074

Coleman, Iain J.; Chisham, Gareth; Pinnock, Michael; Freeman, Mervyn P.. 2003 Reply to comment by S.M. Petrinec and S.A. Fuselier on 'An ionospheric convection signature of antiparallel reconnection'. Journal of Geophysical Research, 108 (A5), 1178. 3, pp. 10.1029/2002JA009568

Pinnock, M.; Chisham, G.; Coleman, I.J.; Freeman, M.P.; Hairston, M.; Villain, J.-P.. 2003 The location and rate of dayside reconnection during an interval of southward interplanetary magnetic field. Annales Geophysicae, 21 (7). 1467-1482. 10.5194/angeo-21-1467-2003

Chisham, G.; Freeman, M.P.. 2003 A technique for accurately determining the cusp-region polar cap boundary using SuperDARN HF radar measurements. Annales Geophysicae, 21 (4). 983-996. 10.5194/angeo-21-983-2003

Pinnock, Michael; Chisham, Gareth. 2002 Assessing the contamination of SuperDARN global convection maps by non-F-region backscatter. Annales Geophysicae, 20 (1). 13-28. 10.5194/angeo-20-13-2002

Chisham, Gareth; Pinnock, Michael; Coleman, I.J.; Hairston, M.R.; Walker, A.D.M.. 2002 An unusual geometry of the ionospheric signature of the cusp: implications for magnetopause merging sites. Annales Geophysicae, 20 (1). 29-40. 10.5194/angeo-20-29-2002

Coleman, Iain J.; Chisham, Gareth; Pinnock, Mike; Freeman, Mervyn P.. 2001 An ionospheric convection signature of antiparallel reconnection. Journal of Geophysical Research, 106 (A12). 28,995-29,007. 10.1029/2001JA900084

Chisham, G.; Pinnock, M.; Rodger, A.S.. 2001 The response of the HF radar spectral width boundary to a switch in the IMF By direction: ionospheric consequences of transient dayside reconnection? Journal of Geophysical Research, 106 (A1). 191-202. 10.1029/2000JA900094

Mann, I.R.; Chisham, G.. 2000 Comment on 'Concerning the generation of geomagnetic giant pulsations by drift-bounce resonance ring current instabilities' by K.-H. Glassmeier et al., Ann. Geophysicae, 17, 338-350, (1999). Annales Geophysicae, 18 (2). 161-166. 10.1007/s00585-000-0161-4

Chisham, G.; Pinnock, M.; Rodger, A.S.; Villain, J.-P.. 2000 High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF By. Annales Geophysicae, 18 (2). 191-201. 10.1007/s00585-000-0191-y

Chisham, G.; Pinnock, M.; Rodger, A.S.. 2000 Poleward‐moving HF radar flow bursts in the cusp: Transient changes in flow speed or direction? Geophysical Research Letters, 27 (7). 919-922. 10.1029/1999GL010760

Publication - Book Section

Abel, Gary A.; Freeman, Mervyn P.; Chisham, Gareth; Watkins, Nicholas W.. 2007 Investigating the turbulent structure of ionospheric plasma velocities on open and closed magnetic field lines. In: Shaikh, Dastgeer; Zank, Gary P., (eds.) Turbulence and nonlinear processes in astrophysical plasmas. Melville, New York, American Institute of Physics, 307-312. (AIP conference proceedings, 932).

Rodger, A.S.; Chisham, G.; Coleman, I.J.; Freeman, M.P.; Pinnock, M.. 2003 Anti-parallel reconnection at the dayside magnetopause: ionospheric signatures and implications for the low latitude boundary layer. In: Newell, P.T.; Onsager, T., (eds.) Earth's low-latitude boundary layer. Washington, D.C., American Geophysical Union, 311-318. (Geophysical Monograph, 133).

Key Findings

Lam, Mai Mai; Chisham, Gareth; Freeman, Mervyn. Solar variability effects on weather and climate via changes in the global atmospheric electric circuit. [Key Findings]

Chisham, Gareth. The interplanetary magnetic field influences mid-latitude surface atmospheric pressure. [Key Findings]

Output (Electronic)

Lam, Mai Mai; Chisham, Gareth; Freeman, Mervyn. Website for BAS science in the area of solar variability effects on weather and climate communicated via the global atmospheric electric circuit. [Output (Electronic)]

Impact (Summary)

Lam, Mai Mai; Chisham, Gareth; Freeman, Mervyn. 2013 The interplanetary magnetic field influences mid-latitude surface atmospheric pressure. [Impact (Summary)]

This list was generated on Fri Apr 25 05:34:39 2014 BST.