Giles Harrison's webpage
Professor of Atmospheric Physics and Head of Academic Staff and Teaching.
Research Interests
- atmospheric electricity
- novel weather balloon measurements
- volcanic plume electrification
- solar-terrestrial relationships
- historical data analysis
- meteorological instrumentation
- remote measurement systems
Publications for r.g.harrison@reading.ac.uk
2012
Harrison, R. G. and Wood, C. R. (2012) Ventilation effects on humidity measurements in thermometer screens. Quarterly Journal of the Royal Meteorological Society. ISSN 1477-870X (In Press)
2011
Harrison, R. G., Ambaum, M. P. H. and Lockwood, M. (2011) Cloud base height and cosmic rays. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 467 (2134). pp. 2777-2791. ISSN 1471-2946
Ambaum, M., Harrison, G., Buiting, J. and Beckers, T. (2011) The chaos machine: analogue computing rediscovered (2). Elektor, 418. pp. 72-75. ISSN 0932-5468
Harrison, G. (2011) The cloud chamber and CTR Wilson’s legacy to atmospheric science. Weather, 66 (10). pp. 276-279. ISSN 1477-8696
Ambaum, M. and Harrison, G. (2011) The chaos machine: analogue computing rediscovered (1). Elektor, 416 (9). pp. 72-75. ISSN 0932-5468
Rycroft, M. J. and Harrison, R. G. (2011) Electromagnetic atmosphere-plasma coupling: the global atmospheric electric circuit. Space Science Reviews. ISSN 0038-6308 (In Press)
Wood, C. R. and Harrison, R. G. (2011) Scorch marks from the sky. Weather, 66 (2). pp. 39-41. ISSN 0043-1656
Harrison, G. (2011) Lag-time effects on a naturally ventilated large thermometer screen. Quarterly Journal of the Royal Meteorological Society, 137 (655). pp. 402-408. ISSN 1477-870X
Nicoll, K. A., Harrison, R. G. and Ulanowski, Z. (2011) Observations of Saharan dust layer electrification. Environmental Research Letters, 6 (1). 014001. ISSN 1748-9326
Nicoll, K. and Harrison, G. (2011) Charge measurements in stratiform cloud from a balloon based sensor. Journal of Physics: Conference Series (301). 012003. ISSN 1742-6588
Harrison, G. (2011) Fair weather atmospheric electricity. Journal of Physics: Conference Series (301). 012001. ISSN 1742-6596
Lockwood, M., Harrison, R. G., Owens, M. J., Barnard, L., Woollings, T. and Steinhilber, F. (2011) The solar influence on the probability of relatively cold UK winters in the future. Environmental Research Letters, 6 (3). 034004. ISSN 1748-9326
2010
Harrison, R. G. and Ambaum, M. H. P. (2010) Observing Forbush decreases in cloud at Shetland. Journal of Atmospheric and Solar-Terrestrial Physics, 72 (18). pp. 1408-1414. ISSN 1364-6826
Lockwood, M., Bell, C., Woollings, T., Harrison, R. G., Gray, L. J. and Haigh, J. D. (2010) Top-down solar modulation of climate: evidence for centennial-scale change. Environmental Research Letters, 5 (3). 034008. ISSN 1748-9326
Harrison, R. G. and Walesby, K. T. (2010) A thermally stable tension meter for atmospheric soundings using kites. Review of Scientific Instruments, 81 (7). 076104. ISSN 1089-7623
Nicoll, K. A. and Harrison, R. G. (2010) Experimental determination of layer cloud edge charging from cosmic ray ionisation. Geophysical Research Letters, 37 (13). L13802. ISSN 0094-8276
Harrison, R. G., Nicoll, K., Ulanowski, Z. J. and Mather, T. (2010) Self-charging of the Eyjafjallajökull volcanic ash plume. Environmental Research Letters, 5 (2). 024004. ISSN 1748-9326
Lockwood, M., Harrison, R. G., Woollings, T. J. and Solanki, S. K. (2010) Are cold winters in Europe associated with low solar activity? Environmental Research Letters, 5 (2). 024001. ISSN 1748-9326
Harrison, R. G., Aplin, K. and Rycroft, M. (2010) Atmospheric electricity coupling between earthquake regions and the ionosphere. Journal of Atmospheric and Solar-Terrestrial Physics, 72 (5-6). 376-381 . ISSN 1364-6826
Harrison, R. G. and Usoskin, I. G. (2010) Solar modulation in surface atmospheric electricity. Journal of Atmospheric and Solar-Terrestrial Physics, 72 (2-3). pp. 176-182. ISSN 1364-6826
Harrison, R. G. (2010) Natural ventilation effects on temperatures within Stevenson screens. Quarterly Journal of the Royal Meteorological Society, 136 (646). pp. 253-259. ISSN 1477-870X
Alpin, K.L. and Harrison, R.G. (2010) Compact cosmic ray detector for unattended atmospheric ionisation monitoring. Review of Scientific Instruments, 81 (12). 124501. ISSN 0034-6748
Duplissy, J., Enghoff, M. B., Aplin, K. L., Arnold, F., Aufmhoff, H., Avngaard, M., Baltensperger, U., Bondo, T., Bingham, R., Carslaw, K., Curtius, J., David, A., Fastrup, B., Gagné, S., Hahn, F., Harrison, R. G., Kellett, B., Kirkby, J., Kulmala, M., Laakso, L., Laaksonen, A., Lillestol, E., Lockwood, M., Mäkelä, J., Makhmutov, V., Marsh, N. D., Nieminen, T., Onnela, A., Pedersen, E., Pedersen, J. O. P., Polny, J., Reichl, U., Seinfeld, J. H., Sipilä, M., Stozhkov, Y., Stratmann, F., Svensmark, H., Svensmark, J., Veenhof, R., Verheggen, B., Viisanen, Y., Wagner, P. E., Wehrle, G., Weingartner, E., Wex, H., Wilhelmsson, M. and Winkler, P. M. (2010) Results from the CERN pilot CLOUD experiment. Atmospheric Chemistry and Physics, 10 (4 ). pp. 1635-1647. ISSN 1680-7316
Gray, L. J., Beer, J., Geller, M., Haigh, J.D., Lockwood, M., Matthes, K., Cubasch, U., Fleitmann, D., Harrison, G., Hood, L., Luterbacher, J., Meehl, G.A., Shindell, D., van Geel, B. and White, W. (2010) Solar influences on climate. Reviews of Geophysics, 48 (RG4001). ISSN 8755-1209
2009
Wood, C. R. and Harrison, R. G. (2009) Anthropogenic snowfall events in the UK: examples of urban weather modification? Weather, 64 (10). pp. 277-280. ISSN 0043-1656
Wood, C. R. and Harrison, R. G. (2009) Some reports of snowfall from fog during the UK winter of 2008/09. Technical Report. ArXiv pp7.
Harrison, R. G., Heath, A. M., Hogan, R. and Rogers, G. (2009) Comparison of balloon-carried atmospheric motion sensors with Doppler lidar turbulence measurements. Review of Scientific Instruments, 80 (2). 026108. ISSN 0034-6748
Bennett, A. and Harrison, R. G. (2009) Evidence for global circuit current flow through water droplet layers. Journal of Atmospheric and Solar-Terrestrial Physics, 71 (12). pp. 1219-1221. ISSN 1364-6826
Harrison, R. G. and Nicoll, K. A. (2009) A lightweight balloon-carried cloud charge sensor. Review of Scientific Instruments, 80 (1). 014501. ISSN 0034-6748
Harrison, R. G. and Ambaum, M. H.P. (2009) Observed atmospheric electricity effect on clouds. Environmental Research Letters, 4. 014003. ISSN 1748-9326
Harrison, R. G. (2009) Two daily smoke maxima in eighteenth century London air. Atmospheric Environment, 43 (6). pp. 1364-1366. ISSN 1352-2310
Nicoll, K. A. and Harrison, R. G. (2009) Vertical current flow through extensive layer clouds. Journal of Atmospheric and Solar-Terrestrial Physics, 71 (17-18). 2040-2046 . ISSN 1364-6826
2008
Harrison, R. G., Chalmers, N. and Hogan, R. J. (2008) Retrospective cloud determinations from surface solar radiation measurements. Atmospheric Research, 90 (1). pp. 54-62. ISSN 0169-8059
Rycroft, M. J., Harrison, R. G., Nicoll, K. A. and Mareev, E. A. (2008) An overview of Earth's global electric circuit and atmospheric conductivity. Space Science Reviews, 137 (1-4). pp. 83-105. ISSN 0038-6308
Harrison, R.G. and Nicoll, K. A. (2008) Air-earth current density measurements at Lerwick; implications for seasonality in the global electric circuit. Atmospheric Research, 89 (1-2). pp. 181-193. ISSN 0169-8059
Bazilevskaya, G.A., Usoskin, I.G., Flückiger, E.O., Harrison, R.G., Desorgher, L., Bütikofer, R.B., Krainev, M.B., Makhmutov, V.S., Stozhkov, Y.I., Svirzhevskaya, A.K., Svirzhevsky, N.S. and Kovaltsov, G.A. (2008) Cosmic ray induced ion production in the atmosphere. Space Science Reviews, 137 (1-4). pp. 149-173. ISSN 0038-6308
Harrison, R.G. (2008) Discrimination between cosmic ray and solar irradiance effects on clouds, and evidence for geophysical modulation of cloud thickness. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 464 (2098). pp. 2575-2590. ISSN 1364-5021
Nicoll, K. A. and Harrison, R.G. (2008) A double-Gerdien instrument for simultaneous bipolar air conductivity measurements on balloon platforms. Review of Scientific Instruments, 79 (8). 084502 . ISSN 0034-6748
James, M.R., Wilson, L., Lane, S.J., Gilbert, J.S., Mather, T.A., Harrison, R.G. and Martin, R.S. (2008) Electrical charging of volcanic plumes. Space Science Reviews, 137 (1-4). pp. 399-418. ISSN 0038-6308
Harrison, R.G. and Ambaum, M. H.P. (2008) Enhancement of cloud formation by droplet charging. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 464 (2098). pp. 2561-2573. ISSN 1364-5021
Aplin, K.L., Harrison, R.G. and Rycroft, M.J. (2008) Investigating Earth's atmospheric electricity: a role model for planetary studies. Space Science Reviews, 137 (1-4). pp. 11-27. ISSN 0038-6308
Harrison, R.G. and Tammet, H. (2008) Ions in the terrestrial atmosphere and other solar system atmospheres. Space Science Reviews, 137 (1-4). pp. 107-118. ISSN 0038-6308
Rycroft, M. J., Harrison, R. G., Nicoll, K. A. and Mareev, E. A. (2008) An overview of Earth’s global electric circuit and atmospheric conductivity. Space Science Reviews, 137 (1-4). pp. 83-105. ISSN 0038-6308
Harrison, R.G., Aplin, K.L., Leblanc, F. and Yair, Y. (2008) Planetary Atmospheric Electricity. Space Science Reviews, 137 (1-4). pp. 5-10. ISSN 0038-6308
Tripathi, S.N., Michael, M. and Harrison, R.G. (2008) Profiles of Ion and Aerosol Interactions in Planetary Atmospheres. Space Science Reviews, 137 (1-4). pp. 193-211. ISSN 0038-6308
Latha, K. M., Bennett, A., Highwood, E. J. and Harrison, R. G. (2008) Retrieval of global atmospheric electrical activity at a polluted urban site. Journal of Physics: Conference Series, 142. 012013. ISSN 1742-6588
Bennett, A. and Harrison, R. G. (2008) Surface measurement system for the atmospheric electrical vertical conduction current density, with displacement current correction. Journal of Atmospheric and Solar-Terrestrial Physics, 70 (11-12). pp. 1373-1381. ISSN 1364-6826
Kazil, J., Harrison, R.G. and Lovejoy, E. R. (2008) Tropospheric new particle formation and the role of ions. Space Science Reviews, 137 (1-4). pp. 241-255. ISSN 0038-6308
Bennett, A. J. and Harrison, R. G. (2008) Variability in surface atmospheric electric field measurements. Journal of Physics: Conference Series, 142 (1). 012046. ISSN 1742-6588
2007
Harrison, R.G. and Märcz, F. (2007) Heliospheric timescale identified in surface atmospheric electricity. Geophysical Research Letters, 34. L23816. ISSN 0094-8276
Harrison, R.G. and Aplin, K.L. (2007) Water vapour changes and atmospheric cluster ions. Atmospheric Research, 85 (2). pp. 199-208. ISSN 0169-8059
Bennett, A.J. and Harrison, R.G. (2007) Atmospheric electricity in different weather conditions. Weather, 62 (10). pp. 277-283. ISSN 0043-1656
Harrison, R.G., Bingham, R., Aplin, K.L., Kellett, B., Carslaw, K. and Haigh, J. (2007) Clouds in atmospheric physics. Astronomy and Geophysics, 48 (2). 2.07. ISSN 1366-8781
Harrison, R. G. and Bennett, A.J. (2007) Cosmic ray and air conductivity profiles retrieved from early twentieth century balloon soundings of the lower troposphere. Journal of Atmospheric and Solar-Terrestrial Physics, 69 (4-5). pp. 515-527. ISSN 1364-6826
Harrison, R.G. (2007) Electrical properties of surface atmospheric air at Eskdalemuir, 1909-1911. Atmospheric Research, 84 (2). pp. 182-188. ISSN 0169-8059
Harrison, R.G. and Bennett, A.J. (2007) Multi-station synthesis of early twentieth century surface atmospheric electricity measurements for upper tropospheric properties. Advances in Geosciences (ADGEO), 13. pp. 17-23. ISSN 1680-7340
Mather, T.A., Harrison, R.G., Tsanev, V.I., Pyle, D.M., Karumudi, M.L., Bennett, A.J., Sawyer, G.M. and Highwood, E.J. (2007) Observations of the plume generated by the December 2005 oil depot explosions and prolonged fire at Buncefield (Hertfordshire, UK) and associated atmospheric changes. Proceedings of Royal SocietyA, 463 (2081). pp. 1153-1177.
Harrison, R. G. and Hogan, R.J. (2007) Reply to Comment on “In-situ atmospheric turbulence measurement using the terrestrial magnetic field – a compass for a radiosonde” by Ralph D. Lorenz. Journal of Atmospheric and Oceanic Technology, 24 (8). pp. 1521-1522. ISSN 1520-0426
Bennett, A.J. and Harrison, R. G. (2007) A simple atmospheric electrical instrument for educational use. Advances in Geosciences (ADGEO), 13. pp. 11-15. ISSN 1680-7340
Harrison, R.G., Rogers, G. and Hogan, R.J. (2007) A three-dimensional magnetometer for motion sensing of a balloon-carried atmospheric measurement package. Review of Scientific Instruments, 78 (12). p. 124501. ISSN 0034-6748
2006
Marcz, F. and Harrison, R. G. (2006) Comment on "Shielding effects of trees on the measurement of the Earth's electric field: Implications for secular variations of the global electrical circuit'' by E. Williams et al. Geophysical Research Letters, 33 (12).
Tripathi, S. N., Vishnoi, S., Kumar, S. and Harrison, R. G. (2006) Computationally efficient expressions for the collision efficiency between electrically charged aerosol particles and cloud droplets. Quarterly Journal of the Royal Meteorological Society, 132 (618). pp. 1717-1731. ISSN 1477-870X
Mather, T. A. and Harrison, R. G. (2006) Electrification of volcanic plumes. Surveys in Geophysics, 27 (4). pp. 387-432.
Harrison, R. G. and Stephenson, D. B. (2006) Empirical evidence for a nonlinear effect of galactic cosmic rays on clouds. Proceedings Of The Royal Society A-Mathematical Physical And Engineering Sciences, 462 (2068). pp. 1221-1233.
Harrison, R. G. and Rogers, G. W. (2006) Fine wire resistance thermometer amplifier for atmospheric measurements. Review Of Scientific Instruments, 77 (11). p. 116112.
Harrison, R. G. and Hogan, R. J. (2006) In situ atmospheric turbulence measurement using the terrestrial magnetic field - A compass for a radiosonde. Journal Of Atmospheric And Oceanic Technology, 23 (3). pp. 517-523.
Bennett, A. J. and Harrison, R. G. (2006) In situ calibration of atmospheric air conductivity instruments. Review of Scientific Instruments, 77 (1). 016103. ISSN 0034-6748
Bennett, A. J. and Harrison, R. G. (2006) Surface determination of the air-earth electrical current density using co-located sensors of different geometry. Review Of Scientific Instruments, 77 (6). 016104.
Harrison, R. G. and Knight, J. R. (2006) Thermopile radiometer signal conditioning for surface atmospheric radiation measurements. Review Of Scientific Instruments, 77 (11). p. 116105.
Harrison, R. G. (2006) Urban smoke concentrations at Kew, London, 1898-2004. Atmospheric Environment, 40 (18). pp. 3327-3332.
2005
Wilding, R. J. and Harrison, R. G. (2005) Aerosol modulation of small ion growth in coastal air. Atmospheric Environment, 39 (32). pp. 5876-5883.
Brazenor, T. J. and Harrison, R. G. (2005) Aerosol modulation of the optical and electrical properties of urban air. Atmospheric Environment, 39 (28). pp. 5205-5212.
Harrison, R. G. and Ingram, W. J. (2005) Air-earth current measurements at Kew, London, 1909-1979. Atmospheric Research, 76 (1-4). pp. 49-64.
Aplin, K. L., Harrison, R. G. and McPheat, R. A. (2005) Atmospheric ion measurements in a spectroscopy cell. In: Aerosol Society; AS 16, Bristol.
Harrison, R. G. (2005) Aurora Diaries. Astronomy and Geophysics, 46 (August). 4.31-4.34.
Harrison, R. G. (2005) Columnar resistance changes in urban air. Journal of Atmospheric and Solar-Terrestrial Physics, 67 (8-9). pp. 763-773.
Aplin, K. L., Harrison, R. G. and Bennett, A. J. (2005) Effect of the troposphere on surface neutron counter measurements. Advances In Space Research, 35 (8). pp. 1484-1491.
Marcz, F. and Harrison, R. G. (2005) Further signatures of long term changes in atmospheric electrical parameters observed in Europe. Annales Geophysicae, 23 (6). pp. 1987-1995.
Harrison, R. G. (2005) Inexpensive multichannel digital data acquisition system for a meteorological radiosonde. Review Of Scientific Instruments, 76 (2). 026103.
Harrison, R. G. (2005) Meteorological radiosonde interface for atmospheric ion production rate measurements. Review Of Scientific Instruments, 76. p. 126111.
Harrison, R. G. and Wilding, R. J. (2005) Programmable ion mobility spectrometer: Time resolution improvement and ion counter comparison. Review Of Scientific Instruments, 76 (8). 086109.
Gray, L. J., Haigh, J. D. and Harrison, R. G. (2005) A review of the influence of solar changes on the earth's climate. Hadley Centre Technical Note 62. UNSPECIFIED
Wilding, R. J. and Harrison, R. G. (2005) Small ion measurements at a coastal site. In: Aerosol Society; AS 16, Bristol.
Bennett, A. J. and Harrison, R. G. (2005) Surface and columnar effects of aerosol on measurements of the global atmospheric electrical circuit. In: Proceedings of the 16th Annual Conference, The Aerosol Society, Bristol.
2004
Black, E., Blackburn, M., Harrison, R. G., Hoskins, B. J. and Methven, J. (2004) Factors contributing to the summer 2003 European heatwave. Weather, 59 (8). pp. 217-223. ISSN 0043-1656
Harrison, R. G. (2004) Atmospheric turbulence and surface atmospheric electricity observations. In: Electrostatics 2003. Institute of Physics Conference Series. Institute of Physics, pp. 337-342.
Wilding, R. J. and Harrison, R. G. (2004) Characterisation of ion production in the surface layer. In: 15th Annual Conference, The Aerosol Society, Manchester.
Wilding, R. J. and Harrison, R. G. (2004) Cosmic-ray induced aerosol particle charging, implications for exposure to children and pregnant women in aircraft. In: Scientific Conference on Children with Leukaemia. Incidence, causal mechanisms and prevention..
Harrison, R. G. (2004) Detection of charged aerosol layers in the troposphere. In: 15th Annual Conference, The Aerosol Society, Manchester.
Harrison, R. G. (2004) Long-range correlations in measurements of the global atmospheric electric circuit. Journal of Atmospheric and Solar-Terrestrial Physics, 66 (13-14). pp. 1127-1133.
Harrison, R. G. (2004) Long-term measurements of the global atmospheric electric circuit at Eskdalemuir, Scotland, 1911-1981. Atmospheric Research, 70 (1). pp. 1-19.
Harrison, R. G. (2004) Twentieth century air pollution near London: a reconstruction from measurements of atmospheric electricity. In: Scientific Conference on Children with Leukaemia. Incidence, causal mechanisms and prevention..
2003
Harrison, R.G. and Carslaw, K.S. (2003) Ion-aerosol-cloud processes in the lower atmosphere. Rev. Geophys, 41 (art. no.-1012).
Harrison, R.G. (2003) Ions in the atmosphere. In: Holton, J.R., Curry, J.A. and Pyle, J.A. (eds.) Encyclopedia of atmospheric sciences. Academic, Amsterdam; London, pp. 733-738.
Marcz, F. and Harrison, R.G. (2003) Long-term changes in atmospheric electrical parameters observed at Nagycenk (Hungary) and the UK Observatories at Eskdalemuir and Kew. Annales Geophysicae, 21. pp. 2193-2200.
Aplin, K.L. and Harrison, R.G. (2003) Meteorological effects of the eclipse of 11 August 1999 in cloudy and clear conditions. Proc. R. Soc. London Ser. A-Math. Phys. Eng. Sci, 459. pp. 353-371.
Harrison, R.G. and Aplin, K.L. (2003) Nineteenth century Parisian smoke variations inferred from Eiffel Tower atmospheric electrical observations. Atmospheric Environment, 37. pp. 5319-5324.
Harrison, R.G. (2003) Reply to comment on "Twentieth Century secular decrease in the atmospheric potential gradient". Geophysical Research Letters, 30 (art. no.-1804).
Harrison, R.G. (2003) Twentieth-century atmospheric electrical measurements at the observatories of Kew, Eskdalemuir and Lerwick. Weather, 58. pp. 11-19.
2002
Carslaw, K. S., Harrison, R. G. and Kirkby, J. (2002) Cosmic rays, clouds, and climate. Science, 298 (5599). pp. 1732-1737. ISSN 1095-9203
Harrison, R. G. and Aplin, K. L. (2002) Mid-nineteenth century smoke concentrations near London. Atmospheric Environment, 36 (25). pp. 4037-4043. ISSN 1352-2310
Harrison, G. (2002) Twentieth century secular decrease in the atmospheric potential gradient. Geophysical Research Letters, 29 (14). 1660. ISSN 0094-8276