The global electrical circuit: A review

Atmospheric Research

Volumn 91, Issue 2-4, 2009, Pages 140-152

  Williams, Earle R ^a  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATOLOGY; ELECTRIC FIELDS; F REGION; IONOSPHERE; STORMS; SURFACE MEASUREMENT; THUNDERSTORMS;

DIURNAL VARIATIONS; ELECTRICAL CONTRIBUTIONS; GLOBAL CIRCUITS; GLOBAL ELECTRICAL CIRCUITS; HIGH LATITUDES; MESOSCALE CONVECTIVE SYSTEMS; NUCLEAR WEAPONS TESTS; RESEARCH TOPICS; SEMIANNUAL VARIATIONS;

CLIMATE CHANGE;

ANNUAL VARIATION; ATMOSPHERIC ELECTRICITY; CLIMATE CHANGE; CONVECTIVE SYSTEM; E REGION; ELECTRIC FIELD; F REGION; IONOSPHERE; MESOSCALE METEOROLOGY; THUNDERSTORM;

EID: 58149286339     PISSN: 01698095     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.atmosres.2008.05.018     Document Type: Review

References (135)

1. Adlerman E.J., and Williams E.R. Seasonal variations of the global electrical circuit. J. Geophys. Res. 101 (1996) 29679-29688
2. Agarwala K.S. Effect of nuclear explosions on the atmospheric potential gradient near the ground. Indian J. Meteorol. Geophys. 15 (1964) 437-438
3. Bailey J.C., Blakeslee R.J., Buechler D.E., and Christian H.J. Diurnal lightning distributions as observed by the Optical Transient Detector (OTD) and the Lightning Imaging Sensor (LIS). 13th International Conf. on Atmos. Elec., vol. II, 657-660, Beijing, China, August (2007)
4. Bennett B.G. Worldwide dispersion and deposition of radionuclides produced in atmospheric tests. Health Phys. 82 (2002) 644-655
5. Bering III E.A., Few A.A., and Benbrook J.R. The global electric circuit. Phys. Today 51 (1998) 24-30
6. Blakeslee R.J., Christian H.J., and Vonnegut B. Electrical measurements over thunderstorms. J. Geophys. Res. 94 (1989) 13135-13140
7. Brooks C.E.P. The distribution of thunderstorms over the globe. London. Geophys. Mem. 24 (1925) 147-164
8. Bultot, F. and Dupriez, G.L., 1987. Niveaux et débits du fleuve Zaïre a Kinshasa, Academie Royale des Sciences d'Outre-Mer, Mémoires in-4°, t. VI, fasc. 2, Bruxelles, Belgium.
9. Burns G.B., Frank-Kamenetsky A.V., Troschichev O.A., Bering E.A., and Reddell B.D. Interannual consistency of bi-monthly differences in annual variations of the ground-level, vertical electric field. J. Geophys. Res. 110 D10106 (2005) 10.1029/2004JD005469
10. Chalmers, J.A., 1967. Atmospheric Electricity, second ed. Pergamon Press.
11. Christian H.J., Blakeslee R.J., Boccippio D.J., Boeck W.L., Buechler D.E., Driscoll K.T., Goodman S.J., Hall J.M., Koshak W.J., Mach D.M., and Stewart M.F. Global frequency and distribution of lightning as observed from space by the Optical Transient Detector. J. Geophys. Res. 108 4005 (2003) 10.1029/2002JD002347
12. Cobb W.E. The atmospheric electric climate at Mauna Loa Observatory, Hawaii. J. Atmos. Sci. 25 (1968) 470-480
13. Cobb W.E., and Wells H.J. The electrical conductivity of oceanic air and its correlation to global atmospheric pollution. J. Atmos. Sci. 27 (1970) 814-819
14. Collingbourne R.H. Comment on paper by E.T. Pierce, "Radioactive fallout and secular effects on atmospheric electricity". J. Geophys. Res. 77 (1972) 6634-6636
15. Corney R.C., Burns G.B., Michael K., Frank-Kamenetsky A.V., Troshichev O.A., Bering E.A., Papitashvili V.O., Breed A.M., and Duldig M.L. The influence of polar-cap convection on the geoelectric field at Vostok, Antarctica. J. Atmos. Sol.-Terr. Phys. 65 (2003) 345-354
16. D'Alessandro F. The use of "field intensification factors" in calculations for lightning protection and structures. J. Electrost. 58 (2003) 17-43
17. Davydenko S.S., Mareev E.A., Marshall T.C., and Stolzenburg M. On the calculation of electric fields and currents of mesoscale convective systems. J. Geophys. Res. 109 D11 (2004) 10.1029/2003JD003832
18. Dee P.I., and Wormell T.W. An index to C.T.R. Wilson's laboratory records and notebooks in the library of the Royal Society. Notes Rec. R. Soc. Lond. 18 1 (1965)
19. Dowden R.L., Brundell J.B., and Rodger C.J. VLF lightning location by time of group arrival at multiple sites. J. Atmos. Sol.-Terr. Phys. 64 (2002) 817-830
20. Emanuel K.A., Neelen J.D., and Bretherton C.S. On large-scale circulations in convecting atmospheres. Q. J. R. Meteorol. Soc. 120 (1994) 1111-1143
21. England S.L., Maus S., Immel T.J., and Mende S.B. Longitudinal variation of the E-region electric fields caused by atmospheric tides. Geophys. Res. Lett. 33 L21105 (2006) 10.1029/2006GL027465
22. Frank-Kamenetsky A.V., Troshichev O.A., Burns G.B., and Papitashvili V.O. Variations of the atmospheric electric field in the near-pole region related to the interplanetary magnetic field. J. Geophys. Res. 106 (2001) 179-190
23. Füllekrug M. The contribution of intense lightning discharges to the global atmospheric electrical circuit during April 1998. J. Atmos. Sol.-Terr. Phys. 66 (2004) 1115-1119
24. Füllekrug M., and Fraser-Smith A.C. Global lightning and climate variability inferred from ELF field variations. Geophys. Res. Lett. 24 (1997) 2411-2414
25. Füllekrug M., and Rycroft M. The contribution of sprites to the global atmospheric electric circuit. Earth Planets Space 58 (2006) 1193-1196
26. Füllekrug M., Fraser-Smith A.C., Bering E.A., and Few A.A. On the hourly contribution of global cloud-to-ground lightning activity to the atmospheric electric field. J. Atmos. Sol.-Terr. Phys. 61 (1999) 745-750
27. Glasstone, S., Dolan, P.J., 1977. The Effects of Nuclear Weapons, third ed. U.S. Department of Defense and the Energy Research and Development Administration.
28. The microphysical and electrical properties of sprite-producing thunderstorms. In: Füllekrug M., Mareev E.A., and Rycroft M.J. (Eds). Sprites, Elves and Intense Lightning Discharges. NATO Science Series, II. Mathematics, Physics and Chemistry vol. 225 (2006), Springer
29. Hamid E.F., Kawasaki Z.I., and Mardiana R. Impact of the 1997-98 El Nino event on lightning activity over Indonesia. Geophys. Res. Lett. 28 (2001) 147-150
30. Hansen J., and Lebedeff S. Global trends of measured surface air temperature. J. Geophys. Res. 92 (1987) 13345-13372
31. Hansen J., Lacis A., Ruedy R., and Sato M. Potential climate impact of Mount Pinatubo eruption. Geophys. Res. Lett. 19 (1992) 215-218
32. Harris D.L. Effects of radioactive debris from nuclear explosions on the electrical conductivity of the lower atmosphere. J. Geophys. Res. 60 (1955) 45-52
33. Harrison R.G. Twentieth century secular decrease in the atmospheric potential gradient. Geophys. Res. Lett. 29 14 (2002) 10.1029/2002GL014878
34. Harrison R.G. Reply to comment on "Twentieth century secular decease of atmospheric potential gradient". Geophys. Res. Lett. 30 15 (2003) 1804 10.1029/2003GL017381
35. Harrison R.G. Twentieth-century atmospheric electrical measurements at the observatories of Kew, Eskdalemuir and Lerwick. Weather 58 (2003) 11-19
36. Harrison R.G. Long-term measurements of the global electrical circuit at Eskdalemuir, Scotland, 1911-1981. Atmos. Res. 70 (2004) 1-19
37. Harrison R.G. The Global Atmospheric Electrical Circuit and Climate. Surv. Geophys. vol. 25 (2004), Kluwer Academic Publishers 441-484
38. Harrison R.G. Columnar resistance changes in urban air. J. Atmos. Sol.-Terr. Phys. 67 (2005) 763-773
39. Harrison H. Atmospheric electric fields at the Kennedy Space Center, 1997-2005: No evidence for effects of global warming or modulation by galactic cosmic rays. Geophys. Res. Lett. 33 L10814 (2006) 10.1029/2006GL025880
40. Harrison R.G. Electrical properties of the surface atmospheric air at Eskdalemuir, 1909-1911. Atmos. Res. 84 (2007) 182-188
41. Harrison R.G., and Aplin K.L. Mid-nineteenth century diurnal smoke concentrations at Kew, London. Atmos. Environ. 36 (2002) 4037-4043
42. Harrison R.G., and Ingram W.J. Air-earth current measurements at Kew, London, 1909-1979. Atmos. Res. 76 (2005) 49-64
43. Hayakawa M., Sekiguchi M., and Nickolaenko A.P. Diurnal variations of electric activity of global thunderstorms deduced from OTD data. J. Atmos. Electr. 25 (2005) 55-68
44. Hogg A.R. Air-earth current observations in various localities. Arch. Meteorol. 3 (1950) 40-55
45. Holzer R.E., and Saxon D.S. Distribution of electrical conduction currents in the vicinity of thunderstorms. J. Geophys. Res. 57 (1952) 207-216
46. Holzworth R.H., Onsager T., Kintner P., and Powell S. Planetary-scale variability of the fair-weather vertical electric field in the stratosphere. Phys. Rev. Lett. 53 (1984) 1398-1401
47. Holzworth R.H., Bering III E.A., Kokorowski M.F., Lay E.H., Reddell B., Kadokura A., Yamagishi H., Sato N., Ejiri M., Hirosawa H., Yamagami T., Torii S., Tohyama F., Nakagawa M., Okada T., and Dowden R.L. Balloon observations of temporal variation in the global circuit compared to global lightning activity. Adv. Space Res. (2005) 2223-2228
48. Immel T.J., Sagawa E., England S.L., Henderson S.B., Hanan M.E., Mende S.B., Frey H.U., Swenson C.M., and Paxton L.J. Control of equatorial ionospheric morphology by atmospheric tides. Geophys. Res. Lett. 33 L15108 (2006) 10.1029/2006GL026161
49. Israel, H., 1973a. Atmospheric Electricity, vol. I, Fundamentals, Conductivity, Ions, Published for the National Science Foundation by the Israel Program for Scientific Translations, ISBN 0 7065 1129 8.
50. Israel, H., 1973b. Atmospheric Electricity, vol. II Fields, Charges and Currents, Published for the National Science Foundation by the Israel Program for Scientific Translations, ISBN 0 7065 1129 8.
51. Israelsson S., and Tammet H. Variation of fair weather atmospheric electricity at Marsta Observatory, Sweden, 1993-1998. J. Atmos. Sol.-Terr. Phys. 63 (2001) 1693-1703
52. Kartalev M.D., Rycroft M.J., Fullekrug M., Papitashvili V.O., and Keremidarska V.I. A possible explanation for the dominant effect of South American thunderstorms on the Carnegie curve. J. Atmos. Sol.-Terr. Phys. 68 (2006) 457-468
53. Kasemir H. Die Stromausbeute des Gewitter generators in Bezug auf den luftelectrishen vertikalstrom der Schönwttergebiete ("The current yield of the thunderstorm generator with respect to the atmospheric vertical current flow in fair weather regions"), Berichte des Deutschen Wetterdienstes in der US-Zone, No. 38, Bad Kissingen (1952)
54. Kasemir H. Das Gewitter als Generator im luftelectrischen Stromkreis (I and II) ("The weather as a generator of atmospheric electrical current flow"). Z. Phys. 25 (1959) 33-96
55. Kelvin Lord. Atmospheric Electricity, Royal Institution Lecture, Papers on Electrostatics and Magnetism (1860) 208-226
56. Kenney J.F., and Willard H.R. Trapped radiation and ionospheric perturbations due to an impulsive neutron source. J. Geophys. Res. 68 (1963) 4645-4657
57. Kozyreva O.V., Nikiforova N.N., Kleimenova N.G., Michnowski S., and Kubicki M. Electric air-earth vertical current pulsations at Hornsund during polar substorm: case study. 13th International Conf. on Atmos. Elec., vol. I, 29-32, Beijing, China, August (2007)
58. Kubicki M., Michnowski S., and Myslek-Laurikainen B. Seasonal and daily variations of atmospheric electricity parameters registered at the Geophysical Observatory at Swider (Poland) during 1965-2000. 13th International Conf. on Atmos. Elec., vol. I, 50-53, Beijing, China, August (2007)
59. Laing A.G., and Fritsch J.M. The global population of mesoscale convective complexes. Q. J. R. Meteorol. Soc. 123 (1997) 389-405
60. Madden T.R., and Thompson W.B. Low frequency electromagnetic oscillations of the Earth-ionosphere cavity. Rev.Geophys. 3 (1965) 211-254
61. Märcz F., and Harrison R.G. Long-term changes in atmospheric electrical parameters observed at Nagycenk (Hungary) and the UK observatories at Eskdalemuir and Kew. Ann. Geophys. 21 (2003) 2193-2200
62. Märcz F., and Harrison R.G. Further signatures of long-term changes in atmospheric electrical parameters in Europe. Ann. Geophys. 23 (2005) 1987-1995
63. Märcz F., and Harrison R.G. 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, R. Markson and S. Heckman. Geophys. Res. Lett. 33 L12803 (2006) 10.1029/2005GL025574
64. Märcz F., Sátori G., and Zieger B. Variations in Schumann resonances and their relation to atmospheric electric parameters at Nagycenk station. Ann. Geophys. 15 (1997) 1604-1614
65. Markson R. Solar modulation of atmospheric electrification and possible implications for a Sun-weather relationship. Nature 273 (1978) 103-109
66. Markson R. Modulation of the Earth's electric field by cosmic radiation. Nature 291 (1981) 304-308
67. Markson R. Aircraft Measurements of the Atmospheric Global Electrical Circuit in the Period 1971-1984 90 (1985) 5967-5977
68. Markson R. The global circuit intensity: its measurement and variation over the last 50 years. Bull. Am. Meteorol. Soc. (2007) 10.1175/BAMS-88-2-223, 223-241
69. Markson R., Ruhnke L.H., and Williams E.R. Global scale comparisons of simultaneous ionospheric potential measurements. Atmos. Res. 51 (1999) 315-321
70. Marshall T.C., and Rust W.D. Two types of vertical electrical structures in stratiform precipitation regions of mesoscale convective systems. Bull. Am. Meteorol. Soc. 74 (1993) 2159-2170
71. McIntosh D.H. Atmospheric smoke concentration measurements at Eskdalemuir. Meteorol. Mag. 1016 86 (1957) 36-41
72. Michnowski S., Kubicki M., Kleimenova N., Nikoforeva N., Kozyreva O., and Israelsson S. The polar ground-level electric field and current variations in relation to solar wind changes. 13th International Conf. on Atmos. Elec., vol. I, 9-12, Beijing, China, August (2007)
73. Muhleisen R. New determination of air-earth current over the ocean and measurements of ionspheric potentials. Pure Appl. Geophys. 84 (1971) 112-115
74. Muhleisen R. The global circuit and its parameters, 467-476. In: Dolezalek H., and Reiter R. (Eds). Electrical Processes in Atmospheres (1977), Steinkopff, Darmstadt
75. Nicholson S.E., Some B., and Kone B. An analysis of recent rainfall conditions in West Africa, including the rainy seasons of the 1997 El Nino and the 1998 La Nina years. J. Climate 13 (1999) 2628-2640
76. Nickolaenko A.P., Hayakawa M., and Hobara Y. Long-term periodical variations in the global lightning activity deduced from the Schumann resonance monitoring. J. Geophys. Res. 104 (1999) 27585-27591
77. Nickolaenko A.P., Hayakawa M., and Sekiguchi M. Variations in global lightning activity inferred from the OTD records. Geophys. Res. Lett. 33 L06823 (2006) 10.1029/2005GL024884
78. Norville K., and Holzworth R. Global circuit variability from multiple stratospheric electrical measurements. J. Geophys. Res. 92 (1987) 5685-5695
79. Novakov T., Ramanathan V., Hansen J.E., Kirchstetter T.W., Sato M., Sinton J.E., and Sathaye J.A. Large historical changes in fossil-fuel black carbon aerosols. Geophys. Res. Lett. 30 6 (2003) 57.1-57.4
80. Paltridge G.W. Measurement of the electrostatic field in the stratosphere. J. Geophys. Res. 69 (1964) 1947-1954
81. Paltridge G.W. Experimental measurements of the small-ion density and electrical conductivity of the stratosphere. J. Geophys. Res. 70 (1965) 2751-2761
82. Park C.G. Solar magnetic sector effects on the vertical atmospheric electric field at Vostok, Antarctica. Geophys. Res. Lett. 3 (1976) 475-478
83. Parkinson W.C., and Torreson O.W. The diurnal variation of the electric potential of the atmosphere over the oceans. UGGI Bull. 8 (1931) 340-341
84. Pierce E.T. Radioactive fallout and secular effects in atmospheric electricity. J. Geophys. Res. 77 (1972) 482-487
85. Pierce E.T. Reply (to Collingbourne (1972)). J. Geophys. Res. 77 (1972) 6637-6638
86. Price C. Global surface temperatures and the atmospheric electric circuit. Geophys. Res. Lett. 20 (1993) 1363
87. Price C., and Asfur M. Inferred long term trends in lightning activity over Africa. Earth Planets Space 58 (2006) 1197-1201
88. Reddell B.D., Benbrook J.R., Bering E.A., Cleary E.N., and Few A.A. Seasonal variations of atmospheric electricity measured at Amundsen-Scott South Pole station. J. Geophys. Res. 109 A09308 (2004) 10.1029/2004JA010536
89. Retalis D.A. Study of the air-earth electrical current density in Athens. Pageoph. 136 (1981) 217-233
90. Roble R.G., and Tzur I. The global atmospheric-electrical circuit. The Earth's Electrical Environment (1986), National Academy Press
91. Rycroft M.J., Israelsson S., and Price C. The global atmospheric electric circuit, solar activity and climate change. J. Atmos. Sol. Terr. Phys. 62 (2000) 1563-1576
92. Rycroft, M.J., Odzimek, A., Arnold, N.F., Fullekrug, M., Kulak, A., Neubert, T., 2007. New model simulations of the global atmospheric electric circuit driven by thunderstorms and electrified shower clouds: The roles of lightning and sprites, J. Atmos. Sol.-Terr. Phys. 69 (17-18), 2485-2509.
93. Sátori G., and Zieger B. Spectral characteristics of Schumann resonances observed in central Europe. J. Geophys. Res. 101 (1996) 29663-29669
94. Sátori G., Williams E., Zieger B., Boldi R., Heckman S., and Rothkin K. Comparisons of long-term Schumann resonance records in Europe and North America. 11th International Conference on Atmospheric Electricity, NASA/CP-19999-209261, 705-708, Guntersville, Alabama, June 7-11 (1999)
95. Sátori, G., Mushtak, V., Williams, E., 2008. Schumann resonance signatures of global lightning activity. In: Betz, H.-D., Schumann, U., Laroche, P. (Eds.), Lightning: Principles, Instruments and Applications. Springer.
96. Sátori, G., Williams, E., Lemperger, I., in press. Variability of global lightning activity on the ENSO time scale. International Conference on Atmo- spheric Electricity, Beijing, China, August.
97. Sekiguchi M., Hayakawa M., Nickolaenko A.P., and Hobara Y. Evidence for a link between the intensity of Schumann resonances and global surface temperature. Ann. Geophys. 24 (2006) 1809-1817
98. Simon A. The effect of nuclear explosions on atmospheric electricity. Nucl. Sci. Abstr. 66 (1962) 146-153 NSA-17-001639, May-June
99. Simon S.L., Bouville A., and Land C.E. Fallout from nuclear weapons tests and cancer risks. Am. Sci. 94 1 (2006) 48
100. Simpson G.C. Atmospheric electricity in high latitudes. Phil. Trans. A 205 (1905) 61-97
101. Simpson G.C. Discussion on the paper by F.J.W. Whipple, "On the association of the diurnal variation of electric potential gradient in fine weather with the distribution of thunderstorms over the globe. Quart. J. Roy. Met. Soc. 55 (1929) 13-15
102. Simpson G.C. Atmospheric electricity during the last fifty years, Parts I (104-108), II (134-140), and III (170-174) (1949)
103. Smith D.M., Lopez L.I., Lin R.P., and Barrington-Leigh C.P. Terrestrial gamma-ray flashes observed up to 20 MeV. Science 307 (2005) 1085-1088
104. Stansbery E.K., Few A.A., and Geis P.B. A global model of thunderstorm electricity. J. Geophys. Res. 98 D9 (1993) 16591-16603
105. Stolzenburg M., Marshall T.C., Rust W.D., Mareev E.A., and Davydenko S.S. The stratiform precipitation region of mesoscale convective systems: inductive charging evidence and global circuit effects. 13th International Conf. on Atmos. Elec., vol. I, 13-16, Beijing, China, August (2007)
106. Tinsley B.A., Burns G.B., and Zhou L. The role of the global electric circuit in solar and internal forcing of clouds and climate. 13th International Conf. on Atmos. Elec., vol. I, 17-20, Beijing, China, August (2007)
107. Tinsley B.A., Burns G.B., and Zhou L. The role of global electric circuit in solar and internal forcing of clouds and climate. Advances in Space Research 40 (2007) 1126-1139
108. Torreson O.W., Parkinson W.C., Gish O.H., and Wait G.R. Ocean Atmospheric Electricity Results, Scientific Results of Cruise VII of the Carnegie during 1928-1929, Publ. 568 (1946), Carnegie Inst., Washington, D.C.
109. Troshichev O.A., Frank-Kamenetsky A., Burns G., Füllekrug M., Rodger A., and Morozov V. Adv. Space Res. 24 (2004) 1801-1805
110. Tzur I., and Roble R.G. The interaction of a dipolar thunderstorm with its global electrical environment. J. Geophys. Res. 90 (1985) 5989-5999
111. Wallace J.M., and Hobbs P.V. Atmospheric Science-An Introductory Survey (1977), Academic Press 467 pp.
112. Whipple F.J.W. On the association of the diurnal variation of the electric potential gradient in fine weather with the distribution of thunderstorms over the globe. Quart. J. Roy. Met. Soc. 55 (1929) 351-361
113. Willett J.C. Solar modulation of the supply current for atmospheric electricity?. J. Geophys. Res. 84 (1979) 4999-5002
114. Williams H.P. The effect of high-altitude nuclear explosions on radio communication. IRE Trans. Mil. Electron. (1962) 326-338 October
115. Williams E.R. The electrification of thunderstorms. Sci. Am. (1988) 88-99 November
116. Williams E.R. The Schumann resonance: a global tropical thermometer. Science 256 (1992) 1184-1187
117. Williams E.R. Global circuit response to seasonal variations in global surface air temperature. Mon. Weather Rev. 122 (1994) 1917-1929
118. Williams E. The positive charge reservoir for sprite-producing lightning. J. Atmos. Sol.-Terr. Phys. 60 (1998) 689-692
119. Williams E.R. Global circuit response to temperature on distinct time scales: a status report. In: Hayakawa M. (Ed). Atmospheric and Ionospheric Phenomena Associated with Earthquakes (1999), Terra Scientific Publishing, Tokyo
120. Williams E.R. The global electrical circuit. In: Holton J.R., Pyle J., and Curry J.A. (Eds). Encyclopedia of Atmospheric Sciences vol. 2 (2003), Elsevier 724-732
121. Williams E.R. Comments on: "Twentieth century secular decrease in the atmospheric potential gradient" by Giles Harrison: Global changes in current or local changes in air pollution?. Geophys. Res. Lett. (2003) 10.1029/2003GL017094
122. Williams E.R. Lightning and climate: a review. Atmos. Res. 76 (2005) 272-287
123. Williams E.R. G.C. Simpson versus C.T.R. Wilson: fifty years of controversy in atmospheric electricity. Atmos. Res. 91 (2009) 259-271 10.1016/j.atmosres.2008.03.024 (this issue)
124. Williams E.R., and Renno N.O. Conditional instability, tropical lightning, ionospheric potential, and global change. 19th Conference on Hurricanes and Tropical Meteorology, Miami (1991), American Meteorological Society 36-42
125. Williams E.R., and Heckman S.J. The local diurnal variation of cloud electrification and the global diurnal variation of negative charge on the Earth. J. Geophys. Res. 98 (1993) 5221-5234
126. Williams E.R., and Satori G. Lightning, thermodynamic and hydrological comparison of the two tropical continental chimneys. J. Atmos. Sol.-Terr. Phys. 66 (2004) 1213-1231
127. Williams E.R., and Yair Y. The microphysical and electrical properties of sprite-producing thunderstorms. In: Füllekrug M., Mareev E.A., and Rycroft M.J. (Eds). Sprites, Elves and Intense Lightning Discharges. NATO Science Series, II. Mathematics, Physics and Chemistry vol. 225 (2006), Springer
128. Williams E., Castro D., Boldi R., Chang T., Huang E., Mushtak V., Lyons W., Nelson T., Heckman S., and Boccippio D. The relationship between the background and transient signals in Schumann resonances. 11th Int'l Conf. on Atmos. Elec., NASA/CP-1999-209261, Guntersville, AL (1999)
129. Williams E., Markson R., and Heckman S. Shielding effects of trees on the measurement of the Earth's electric field: implications for secular variations of the global electrical circuit. Geophys. Res. Lett. 32 L19810 (2005) 10.1029/2005GL023717
130. Williams E., Boldi R., Bór J., Sátori G., Price G., Greenburg E., Takahashi Y., Yamamoto K., Chronis T., Anagnostou E., Smith D., and Lopez L. Lightning flashes conducive to the production and escape of gamma radiation to space. J. Geophys. Res. 111 D16209 (2006) 10.1029/2005JD006447
131. Wilson C.T.R. Atmospheric electricity. Nature 68 (1903) 102-104
132. Wilson C.T.R. Investigations on lightning discharges and the electric field of thunderstorms. Phil. Trans. A. 221 (1920) 73-115
133. Wormell T.W. Vertical electric currents below thunderstorms and showers. Proc. Roy. Soc., London, Series A 127 (1930) 567-590
134. Wormell T.W. Atmospheric electricity: Some recent trends and problems. Quart. J. Roy. Met. Soc. 79 (1953) 474-489
135. Zmuda A.J., Shaw B.W., and Haave C.R. Very low frequency disturbances and the high-altitude nuclear explosion of July 9, 1962. J. Geophys. Res. 68 (1963) 745-758