Long-term biases in geomagnetic K and aa indices

Annales Geophysicae

Volumn 29, Issue 8, 2011, Pages 1365-1375

  Love, J J ^a  

^a U S GEOLOGICAL SURVEY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

GEOMAGNETISM; MAGNETOMETER; MAGNETOTELLURIC METHOD;

AUSTRALIA; UNITED KINGDOM;

EID: 80051999979     PISSN: 09927689     EISSN: 14320576     Source Type: Journal    
DOI: 10.5194/angeo-29-1365-2011     Document Type: Article

References (69)

1. Baldwin, J. M.: Hourly Values of the Magnetic Elements at Toolangi, in 1924, H. J. Green, Gov. Printer, Melbourne, Australia, 1926.
2. Baldwin, J. M.: The magnetic observatory at Toolangi, J. Geophys. Res., 45, p. 214, 1940.
3. Bartels, J.: The technique of scaling indices K and Q of geomagnetic activity,Ann. Int. Geophys. Year, 4, 215-225, 1957.
4. Bartels, J., Heck, N. H., and Johnston, H. F.: The three-hour range index measuring geomagnetic activity, Terr. Magn. Atmos. Electr.,44,411-454, 1939.
5. Bartels, J., Heck, N. H., and Johnston, H. F.: Geomagnetic three-hour-range indices for the years 1938 and 1939, Terr. Magn. Atmos. Electr., 45, 309-337, 1940.
6. Beer, J., Blinov, A., Bonani, G., Finkel, R. C., Hofmann, H. J., Lehmann, B., Oeschger, H., Sigg, A., Schwander, J., Staffelbach, T., Stauffer, B., Suter, M., and Wölfli, W.: Use of Be in polar ice to trace the 11-year cycle ofsolar activity, Nature, 347, 164-166, 1990. (Pubitemid 120028935)
7. Boteler, D. H., Pirjola, R. J., and Nevanlinna, H.: The effects of geomagnetic disturbances on electrical systems at the Earth's surface, Adv. Space Res., 22, 17-27, 1998. (Pubitemid 28501961)
8. Campbell, W. H.: The regular geomagnetic-field variations during quiet solar conditions, in: Geomagnetism, Vol. 3, edited by: Jacobs, J. A., Academic Press, London, UK, 385-460, 1989.
9. Chapman, S. and Bartels, J.: Geomagnetism, Vol. 1 & 2, Oxford Univ. Press, London, UK, 1962.
10. Clark, T. D. G.: Computer generated K indices adopted by the British Geological Survey, J. Atmos. Terr. Phys., 54, 447-456, 1992.
11. Clilverd, M. A., Clark, T. D. G., Clarke, E., and Rishbeth, H.: Increased magnetic storm activity from 1868 to 1995, J. Atmos. Sol.-Terr. Phy., 60, 1047-1056, 1998. (Pubitemid 29123232)
12. Clilverd, M. A., Clark, T. D. G., Clarke, E., Rishbeth, H., and Ulich, T.: The causes oflong-term change in the aa index, J. Geophys. Res., 107, 1441,doi:10.1029/2001JA000501,2002.
13. Clilverd, M. A., Clarke, E., Ulich, T., Linthe, J., and Rishbeth, H.: Reconstructing the long-term aa index, J. Geophys. Res., 110, A07205, doi:10.1029/2004JA010762,2005. (Pubitemid 44116572)
14. Cliver, E. W., Boriakoff, V., and Feynman, J.: Solar variability and climate change: Geomagnetic aa index and global surface temperature, Geophys. Res. Lett., 25, 1035-1038, 1998. (Pubitemid 28431330)
15. Constable, S.: Geomagnetism, in: Geomagnetism, Vol. 5, Treatise on Geophysics, edited by: Kono, M., Elsevier Science, New York, NY, 237-276,2007.
16. Courtillot, V., Le Mouël, J. L., and Mayaud, P. N.: Maximum entropy spectral analysis of the geomagnetic activity index aa over a 107-year interval, J. Geophys. Res., 82, 2641-2649, 1977.
17. Eschenhagen, M.: Magnetic intensity variometers, Terr. Magn. Atmos. Electr., 5, 59-62, 1900.
18. Forbes, A. J.: General instrumentation, in: Geomagnetism, Vol. 1, edited by: Jacobs, J. A., Academic Press, London, UK, 51-142, 1987.
19. Forbes, A. J. and Riddick, J. C.: The digital recording system operated at the U.K. magnetic observatories, Geophys. Surv., 6, 393-405, 1984.
20. Friis-Christensen, E.: Solar activity variations and possible effects on climate, in: Space Storms and Space Weather Hazards, edited by: Daglis, I. A., Kluwer Academic Publishers, Dordrecht, The Netherlands, 231-250,2001.
21. Fröhlich, C. and Lean, J.: Solar radiative output and its variability: Evidence and mechanisms, Astron. Astrophys. Rev., 12, 273-320,2004. (Pubitemid 40005830)
22. Gonzalez, W. D., Gonzalez, A. L. C., and Tsurutani, B. T.: Dual-peak solar cycle distribution of intense geomagnetic storms, Planet. Space Sci., 38, 181-187, 1990.
23. Hathaway, D. H., Wilson, R. M., and Reichmann, E. J.: A synthesis ofsolar cycle prediction techniques, J. Geophys. Res., 104, 22375-22388, 1999.
24. Hathaway, D. H., Wilson, R. M., and Reichmann, E. J.: Group sunspotnumber: Sunspot cycle characteristics, SolarPhys., 211, 357-370,2002.
25. Hopgood, P. A.: Australian Geomagnetism Report 2002, Vol. 50, Geoscience Australia, Canberra, Australia, 2004.
26. Hopgood, P. A. and McEwin, A. J.: Australian Geomagnetism Re-port 1994, Vol. 42, Australian Geological Survey, Canberra, Australia, 1996.
27. Hoyt, D. V. and Schatten, K. H.: Group sunspot numbers: A new solar activity reconstruction, Solar Phys., 181, 491-512, 1998.
28. Institute of Geological Science: Magnetic Results 1980, Her Majesty's Stationary Office, London, UK, 1982.
29. Institute of Geological Science: Magnetic Results 1981, Her Majesty's Stationary Office, London, UK, 1983.
30. Jankowski, J. and Sucksdorff, C.: Guide for Magnetic Measurements and Observatory Practice, IAGA, Warsaw, Poland, 1996.
31. Jarvis, M. J.: Observed tidal variation in the lower thermosphere through the 20th century and the possible implication of ozone depletion, J. Geophys. Res., 110, A04303, doi:10.1029/2004JA010921,2005. (Pubitemid 44228248)
32. Joselyn, J. A.: A real-time index ofgeomagnetic activity, J. Geophys. Res., 75, 2777-2780, 1970.
33. Kane, R. P.: Some implications using the group sunspot number reconstruction, Solar Phys., 205, 383-401, 2002. (Pubitemid 37133180)
34. Kerridge, D. J.: INTERMAGNET: Worldwide near-real-time geomagnetic observatory data, Proc. ESA Space Weather Workshop, ESTEC, Noordwijk, The Netherlands, http://www.esa-spaceweather.net/spweather/workshops/workshops.html, 2001.
35. Lanzerotti, L. J. and Surkan, A. J.: ULF geomagnetic power near L = 4 4. Relationship to the Fredericksburg K index, J. Geophys. Res., 79,2413-2419, 1974.
36. Le Mouël, J. L., Kossobokov, V., and Courtillot, V.: On longterm variations of simple geomagnetic indices and slow changes in magnetospheric currents: The emergence of anthropogenic global warming after 1990?, Earth Planet. Sc. Lett., 232, 273-286,2005.
37. Legrand, J. P. and Simon, P. A.: Solar cycle and geomagnetic activity: A review for geophysicists. Part I. The contributions to geomagnetic activity ofshock waves and of the solar wind, Ann. Geophys., 6, 565-578, 1989, http://www.ann-geophys.net/6/565/1989/.
38. Lockwood, M.: Solar outputs, their variations and their effects on Earth, in: The Sun, Solar Analogs and the Climate, edited by: Haigh, J. D., Giampapa, M. S., and Lockwood, M., Springer-Verlag, Berlin, Germany, 109-306,2005.
39. Love, J. J.: Magnetic monitoring of Earth and space, Phys. Today, 61, 31-37,2008. (Pubitemid 351207118)
40. Love, J. J.: Seculartrends in storm-level geomagnetic activity,Ann. Geophys.,29,251-262, doi:10.5194/angeo-29-251-2011,2011.
41. Lukianova, R., Alekseev, G., and Mursula, K.: Effects of station relocation in the aa index, J. Geophys. Res., 114, A02105, doi:10.1029/ 2008JA013824,2009.
42. Mayaud, P. N.: Indicies Kn, Ks, Km, 1964-1967, CNRS, Paris, France, 1968.
43. Mayaud, P. N.: The aa indices: A 100-year series characterizing the magnetic activity, J. Geophys. Res., 77, 6870-6874, 1972.
44. Mayaud, P. N.: A hundred year series of geomagnetic data, 1868-1967, indices aa, storm sudden commencements, IAGA Bull., 33, 1-252, 1973.
45. Mayaud, P. N.: Derivation, Meaning, and Use of Geomagnetic Indices, Geophysical Monograph 22, Am. Geophys. Union, Washington, DC, 1980.
46. McPherron, R. L.: Physical processes producing magnetospheric substorms and magnetic storms, in: Geomagnetism, Vol. 4, edited by: Jacobs, J.A., Academic Press, London, UK, 593-739, 1991.
47. Menvielle, M.: A possible geophysical meaning of K indices, Ann. Geophys., 35, 189-196, 1979, http://www.ann-geophys.net/35/189/1979/.
48. Menvielle, M., Papitashvili, N., Hakkinen, L., and Sucksdorff, C.: Computer production of K indices: Review and comparison of methods, Geophys. J. Int., 123, 866-886, 1995. (Pubitemid 26459524)
49. Mursula, K. and Martini, D.: Centennial increase in geomagnetic activity: Latitudinal differences and global estimates, J. Geophys. Res., 111,A08209, doi:10.1029/2005JA011549, 2006.
50. Mursula, K. and Martini, D.: A new verifiable measure of centennial geomagnetic activity: Modifying the K index method for hourly data, Geophys. Res. Lett., 34, L22107, doi:10.1029/2007GL031123,2007. (Pubitemid 351222781)
51. Mursula, K., Usoskin, I., and Yakovchouk, O.: Does sunspot number calibration by the "mangetic needle" make sense?, J. Atmos. Sol-Terr. Phy., 71, 1717-1726, 2009.
52. Ouattara, F., Amory-Mazaudier, C., Menvielle, M., Simon, P., and Legrand, J.-P.: On the long term change in the geomagnetic activity during the 20th century, Ann. Geophys., 27, 2045-2051, doi:10.5194/angeo-27-2045-2009,2009.
53. Papitashvili, N. E., Papitashvili, V. O., Belov, B. A., Hakkinen, L., and Sucksdorff, C.: Magnetospheric contributions to K-indices, Geophys. J. Int., 111, 348-356, 1992.
54. Parkinson, W. D.: Introduction to Geomagnetism, Scottish Academic Press, Edinburgh, UK, 1983.
55. Press, W. H., Teukolsky, S. A., Vetterling, W. T., and Flannery, B. P.: Numerical Recipes, Cambridge Univ. Press, Cambridge, UK, 1992.
56. Pulkkinen, T. I., Nevanlinna, H., Pulkkinen, P. J., and Lockwood, M.: The Sun-Earth connection in time scales from years to decades and centuries, Space Sci. Rev., 95, 625-637, 2001. (Pubitemid 32114617)
57. Rangarajan, G. K.: Indices ofgeomagnetic activity, in: Geomagnetism, Vol. 3,editedby: Jacobs, J.A.,AcademicPress,London, UK, 323-384, 1989.
58. Richardson, I. G., Cliver, E. W., and Cane, H. V.: Sources of geomagnetic activity during nearly three solar cycles (1972-2000), J. Geophys. Res., 107, 1187, doi:10.1029/2001JA000504,2002.
59. Riddick, J. C. and Stuart, W. F.: The generation of K indices from digitally recorded magnetic data, Geophys. Surv., 6, 439-456, 1984.
60. Russell, C. T.: Onthe possibility ofdeducing interplanetary and solar parameters from geomagnetic records, Solar Phys., 42, 259-269, 1975.
61. Schröder, W. and Wiederkehr, K. H.: A history of the early recording ofgeomagnetic variations, J. Atmos. Sol.-Terr. Phy., 62, 323-334,2000.
62. Stuiver, M. and Quay, P. D.: Changes in atmospheric carbon-14 attributed to a variable Sun, Science, 207, 11-19, 1980. (Pubitemid 10142295)
63. Svalgaard, L., Cliver, E. W., and Sager, P. L.: IHV: A new long-term geomagnetic index, Adv. Space Res., 34,436-439, 2004. (Pubitemid 38809634)
64. Thompson, R. J.: A technique for predicting the amplitude of the solar cycle, Solar Phys., 148, 383-388, 1993.
65. Thomson, A. W. P., Gaunt, C. T., Cillers, P., Wild, J. A., Opperman, B., McKinnell, L. A., Kotze, P., Ngwira, C. M., and Lotz, S. I.: Present day challenges in understanding the geomagnetic hazard to national power grids,Adv. Space Res.,45, 1182-1190, 2010.
66. van der Waal, C. A. and Sorensen, R. M.: Magnetic Results From Toolangi Observatory, Victoria, 1955-1958, Dept. National Development, Australia, 1-161, 1960.
67. Van Sabben, D.: Ionospheric current systems often IGY-solar flare effects, J. Atmos. Terr. Phys., 22, 32-42, 1961.
68. Willis, D. M., Stevens, P. R., and Crothers, S. R.: Statistics of the largest geomagnetic storms per solar cycle (1844-1993), Ann. Geophys., 15, 719-728, doi:10.1007/s00585-997-0719-5, 1997.
69. Wolf, R.: Astronomische Mittheilungen, Eideössischen Sternwarte Zürich, no. 38, 375-405, 1875.