Solar mean magnetic field variability: A wavelet approach to Wilcox Solar Observatory and SOHO/Michelson Doppler Imager observations

Journal of Geophysical Research: Space Physics

Volumn 107, Issue A10, 2002, Pages

  Boberg, Fredrik ^a   Lundstedt, Henrik ^b   Hoeksema, J Todd ^c   Scherrer, Philip H ^d   Liu, Wei ^d  

^a LUND UNIVERSITY   (Sweden)

^b SWEDISH INSTITUTE OF SPACE PHYSICS   (Sweden)

^c NASA HEADQUARTERS   (United States)

^d STANFORD UNIVERSITY   (United States)

Author keywords

Active regions; Coronal mass ejections; Internal rotation; Solar magnetic field; Wavelet analysis

Indexed keywords

EID: 41749119669     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2001JA009195     Document Type: Article

References (31)

1. Babcock, H. W., The solar magnetograph, Astrophys. J., 118, 387-396, 1953.
2. Boberg, F., and H. Lundstedt, Coronal mass ejections detected in solar mean magnetic field, Geophys. Res. Lett, 27, 3141-3143, 2000.
3. Bogart, R. S., and T. Bai, Confirmation of a 152 day periodicity in the occurrence of solar flares inferred from microwave data, Astrophys. J., 299, 51-55, 1985.
4. Demidov, M. L., Concerning time variation observations of the global magnetic field of the Sun, Sol. Phys., 159, 23-27, 1995.
5. Garcia, R. A., P. Boumier, J. Charra, T. Foglizzo, A. H. Gabriel, G. Grec, C. Régulo, J. M. Robillot, S. Turck-Chièze, and R. K. Ulrich, The integrated magnetic field of the Sun as seen by GOLF on board SOHO, A&A, 346, 626-632, 1999.
6. Gosling, J. T., Coronal mass ejections: An overview, in Coronal Mass Ejections, Geophys. Monogr. Ser., vol. 99, edited by N. Crooker, J. A. Joselyn, and J. Feynman, pp. 9-16, AGU, Washington, D. C., 1997.
7. Grossman, A., and J. Morlet, Decomposition of Hardy functions into square intenrable wavelets of constant shape, SIAM J. Math. Anal., 15, 723-73671984.
8. Hathaway, D. H., R. M. Wilson, and E. J. Reichmann, A synthesis of solar cycle prediction techniques, J. Geophys. Res., 104, 22,375-22,388, 1999.
9. Howe, R., J. Christensen-Dalsgaard, F. Hill, R. W. Komm, R. M. Larsen, J. Schou, M. J. Thompson, and J. Toomre, Dynamic variations at the base of the solar convection zone, Science, 287, 2456-2460, 2000.
10. Komm, R. W., Wavelet analysis of a maanetogram, Sol. Phys., 157, 45-50, 1995.
11. Kosovichev, A. G., and V. V. Zharkova, Magnetic energy release and transients in the solar flare of 2000 July 14, Astrophys. J., 550, L105-L108, 2001.
12. Kotov, V. A., P. H. Scherrer, R. F. Howard, and V. I. Haneychuk, Magnetic field of the Sun as a star: The Mount Wilson Observatory catalog 1970-1982, Astrophys. J. Supp. Ser., 116, 103-117, 1998.
13. Kotov, V. A., and A. B. Severny, Mean magnetic field of the Sun as a star. Catalogue 1968-1976, Geophys. Comm. Acad. Sci. USSR, 1983.
14. Lawrence, J. K., A. C. Cadavid, and A. A. Ruzmaikin, Turbulent and chaotic dynamics underlying solar maenetic variability, Astrophys. J., 455, 366-375, 1995.
15. Liu, W., Y. Liu, X. Zhao, and P. Scherrer, Are the signals in the Sun's mean magnetic field associated with coronal mass ejections?, Eos Trans. AGU, 82(20), Spring Meet. Suppl., Abstract ASH, 2001.
16. Low, B. C., The role of coronal mass ejections in solar activity, in Geophysical Monograph #99, Coronal Mass Ejections, Geophys. Monogr. Ser., vol. 99, edited by N. Crooker, J. A. Joselyn, and J. Feynman, pp. 39-47, AGU, Washington, D. C., 1997.
17. Luhmann, J. G., J. T. Gosling, J. T. Hoeksema, and X. Zhao, The relationship between large-scale solar magnetic field evolution and coronal mass ejections, J. Geophys. Res., 103, 6585-6593, 1998.
18. Lundstedt, H., Solar activity predicted with artificial intelligence, in Space Weather, Geophys. Monogr. Ser., vol. 125, edited by P. Song, H. Singer, and G. Siscoe, pp. 201-204, AGU, Washington, D. C., 2001.
19. Mordvinov, A. V., and L. A. Plyusnina, Cyclic changes in solar rotation inferred from temporal changes in the mean magnetic field, Sol. Phys., 197, 1-9, 2000.
20. Mundt, M. D., W. B. Maguire II, and R. R. P. Chase, Chaos in the sunspot cycle: Analysis and prediction, J. Geophys. Res., 96, 1705-1716, 1991.
21. Reames, D. V., Energetic particles and the structure of coronal mass ejections, in Coronal Mass Ejections, Geophys. Monogr. Ser., vol. 99, edited by N. Crooker, J. A. Joselyn, and J. Feynman, pp. 217-226, AGU, Washington, D. C., 1997.
22. Rieger, E., G. H. Share, D. J. Forrest, G. Kanbach, C. Reppin, and E. L. Chupp, A 154-day periodicity in the occurrence of hard solar flares?, Nature, 312, 623-625, 1984.
23. Schatten, K. H., and W. D. Pesnell, An early solar dynamo prediction: Cycle 23 is approximately cycle 22, Geophys. Res. Lett., 20, 2275-2278, 1993.
24. Scherrer, P. H., J. M. Wilcox, L. Svalgard, T. L. Duvall Jr., P. H. Dittmer, and E. K. Gustafson, The mean magnetic field of the Sun: Observations at Stanford, Sol. Phys., 54, 353-361, 1977.
25. Scherrer, P. H., et al.. The solar oscillations investigation-Michelson Doppler Imager, Sol. Phys., 162, 129-188, 1995.
26. Sevemy, A. B., The polar fields and time fluctuations of the general magnetic field of the Sun, Proc. IAU Symp., 43, 675-695, 1971.
27. St. Cyr, O. C., et al., Properties of coronal mass ejections: SOHO LASCO observations from January 1996 to June 1998, J. Geophys. Res., 105, 18,169-18,185, 2000.
28. Torrence, C., and G. P. Compo, A practical guide to wavelet analysis, Bull. Am. Meteorol. Soc., 79, 61-78, 1998.
29. Tsurutani, B. T., and W. D. Gonzalez, The interplanetary causes of magnetic storms: A review, in Magnetic Storms, Geophys. Monogr. Ser., vol. 98, edited by B. T. Tsurutani et al., pp. 77-89, AGU, Washington, D. C., 1997.
30. Zhang, Q., and A. Benveniste, Wavelet networks, IEEE Trans. Neural Networks, 3, 889-898, 1992.
31. Zhao, X. P., J. T. Hoeksema, and P. Scherrer, Application of SOI-MDI images, 1, Changes of large-scale photospheric magnetic field and the 6 January 1997 CME, paper presented at 1997 ISTP Workshop, NASA Goddard Space Flight Cent., Greenbelt, Md., 8-9 April, 1997.