메뉴 건너뛰기




Volumn 289, Issue 1, 2014, Pages 41-61

Changes in Quasi-periodic Variations of Solar Photospheric Fields: Precursor to the Deep Solar Minimum in Cycle 23?

Author keywords

Magnetic fields, photosphere; Solar cycle, observations; Solar periodicity; Surges

Indexed keywords


EID: 84887989704     PISSN: 00380938     EISSN: 1573093X     Source Type: Journal    
DOI: 10.1007/s11207-013-0335-3     Document Type: Article
Times cited : (30)

References (54)
  • 1
    • 0000256368 scopus 로고
    • Latitudinal variation of solar wind velocity
    • doi:10.1007/BF00768784
    • Ananthakrishnan, S., Balasubramanian, V., Janardhan, P.: 1995, Latitudinal variation of solar wind velocity. Space Sci. Rev. 72, 229 - 232. doi: 10. 1007/BF00768784.
    • (1995) Space Sci. Rev. , vol.72 , pp. 229-232
    • Ananthakrishnan, S.1    Balasubramanian, V.2    Janardhan, P.3
  • 2
    • 0040024699 scopus 로고
    • Microturbulence in solar wind streams
    • doi:10.1029/JA085iA11p06025
    • Ananthakrishnan, S., Coles, W. A., Kaufman, J. J.: 1980, Microturbulence in solar wind streams. J. Geophys. Res. 85, 6025 - 6030. doi: 10. 1029/JA085iA11p06025.
    • (1980) J. Geophys. Res. , vol.85 , pp. 6025-6030
    • Ananthakrishnan, S.1    Coles, W.A.2    Kaufman, J.J.3
  • 3
    • 0342449025 scopus 로고
    • Periodicities of the flare occurrence rate in solar cycle 19
    • doi:10.1086/184943
    • Bai, T.: 1987, Periodicities of the flare occurrence rate in solar cycle 19. Astrophys. J. Lett. 318, L85 - L91. doi: 10. 1086/184943.
    • (1987) Astrophys. J. Lett. , vol.318
    • Bai, T.1
  • 4
    • 0042656654 scopus 로고    scopus 로고
    • Periodicities in solar flare occurrence: analysis of cycles 19 - 23
    • doi:10.1086/375295
    • Bai, T.: 2003, Periodicities in solar flare occurrence: analysis of cycles 19 - 23. Astrophys. J. 591, 406 - 415. doi: 10. 1086/375295.
    • (2003) Astrophys. J. , vol.591 , pp. 406-415
    • Bai, T.1
  • 5
    • 84866897104 scopus 로고    scopus 로고
    • Thinning of the Sun's magnetic layer: the peculiar solar minimum could have been predicted
    • doi:10.1088/0004-637X/758/1/43
    • Basu, S., Broomhall, A.-M., Chaplin, W. J., Elsworth, Y.: 2012, Thinning of the Sun's magnetic layer: the peculiar solar minimum could have been predicted. Astrophys. J. 758, 43. doi: 10. 1088/0004-637X/758/1/43.
    • (2012) Astrophys. J. , vol.758 , pp. 43
    • Basu, S.1    Broomhall, A.-M.2    Chaplin, W.J.3    Elsworth, Y.4
  • 6
    • 34047117230 scopus 로고    scopus 로고
    • Predicting solar cycle 24 with a solar dynamo model
    • 131103, doi:10.1103/PhysRevLett.98.131103
    • Choudhuri, A. R., Chatterjee, P., Jiang, J.: 2007, Predicting solar cycle 24 with a solar dynamo model. Phys. Rev. Lett. 98(13), 131103. doi: 10. 1103/PhysRevLett. 98. 131103.
    • (2007) Phys. Rev. Lett. , vol.98 , Issue.13
    • Choudhuri, A.R.1    Chatterjee, P.2    Jiang, J.3
  • 7
    • 79955788921 scopus 로고    scopus 로고
    • Periodicities of sunspot number and coronal index time series during solar cycle 23
    • doi:10.1007/s11207-011-9738-1
    • Chowdhury, P., Dwivedi, B. N.: 2011, Periodicities of sunspot number and coronal index time series during solar cycle 23. Solar Phys. 270, 365 - 383. doi: 10. 1007/s11207-011-9738-1.
    • (2011) Solar Phys. , vol.270 , pp. 365-383
    • Chowdhury, P.1    Dwivedi, B.N.2
  • 8
    • 58149382173 scopus 로고    scopus 로고
    • Intermediate-term periodicities in sunspot areas during solar cycles 22 and 23
    • doi:10.1111/j.1365-2966.2008.14117.x
    • Chowdhury, P., Khan, M., Ray, P. C.: 2009, Intermediate-term periodicities in sunspot areas during solar cycles 22 and 23. Mon. Not. Roy. Astron. Soc. 392, 1159 - 1180. doi: 10. 1111/j. 1365-2966. 2008. 14117. x.
    • (2009) Mon. Not. Roy. Astron. Soc. , vol.392 , pp. 1159-1180
    • Chowdhury, P.1    Khan, M.2    Ray, P.C.3
  • 9
    • 76349118997 scopus 로고    scopus 로고
    • Short-term periodicities in sunspot activities during the descending phase of solar cycle 23
    • doi:10.1007/s11207-009-9478-7
    • Chowdhury, P., Khan, M., Ray, P. C.: 2010, Short-term periodicities in sunspot activities during the descending phase of solar cycle 23. Solar Phys. 261, 173 - 191. doi: 10. 1007/s11207-009-9478-7.
    • (2010) Solar Phys. , vol.261 , pp. 173-191
    • Chowdhury, P.1    Khan, M.2    Ray, P.C.3
  • 10
    • 33845333376 scopus 로고    scopus 로고
    • Periodicities of solar electron flare occurrence: analysis of cycles 21 - 23
    • doi:10.1111/j.1365-2966.2006.11120.x
    • Chowdhury, P., Ray, P. C.: 2006, Periodicities of solar electron flare occurrence: analysis of cycles 21 - 23. Mon. Not. Roy. Astron. Soc. 373, 1577 - 1589. doi: 10. 1111/j. 1365-2966. 2006. 11120. x.
    • (2006) Mon. Not. Roy. Astron. Soc. , vol.373 , pp. 1577-1589
    • Chowdhury, P.1    Ray, P.C.2
  • 11
    • 84879222687 scopus 로고    scopus 로고
    • Comparison of the past two solar minima from the perspective of the interior dynamics and dynamo of the Sun
    • doi: 10. 1007/s11214-011-9790-z
    • Dikpati, M.: 2011, Comparison of the past two solar minima from the perspective of the interior dynamics and dynamo of the Sun. Space Sci. Rev. 143. doi: 10. 1007/s11214-011-9790-z.
    • (2011) Space Sci. Rev. , vol.143
    • Dikpati, M.1
  • 12
    • 77955298548 scopus 로고    scopus 로고
    • Impact of changes in the Sun's conveyor-belt on recent solar cycles
    • doi:10.1029/2010GL044143
    • Dikpati, M., Gilman, P. A., de Toma, G., Ulrich, R. K.: 2010, Impact of changes in the Sun's conveyor-belt on recent solar cycles. Geophys. Res. Lett. 37, 14107. doi: 10. 1029/2010GL044143.
    • (2010) Geophys. Res. Lett. , vol.37 , pp. 14107
    • Dikpati, M.1    Gilman, P.A.2    de Toma, G.3    Ulrich, R.K.4
  • 13
    • 3543033650 scopus 로고
    • A 153 day periodicity in the occurrence of solar flares producing energetic interplanetary electrons
    • doi:10.1086/191463
    • Droege, W., Gibbs, K., Grunsfeld, J. M., Meyer, P., Newport, B. J., Evenson, P., Moses, D.: 1990, A 153 day periodicity in the occurrence of solar flares producing energetic interplanetary electrons. Astrophys. J. Suppl. 73, 279 - 283. doi: 10. 1086/191463.
    • (1990) Astrophys. J. Suppl. , vol.73 , pp. 279-283
    • Droege, W.1    Gibbs, K.2    Grunsfeld, J.M.3    Meyer, P.4    Newport, B.J.5    Evenson, P.6    Moses, D.7
  • 14
    • 0000312790 scopus 로고
    • A theoretical model for tilts of bipolar magnetic regions
    • D'Silva, S., Choudhuri, A. R.: 1993, A theoretical model for tilts of bipolar magnetic regions. Astron. Astrophys. 272, 621.
    • (1993) Astron. Astrophys. , vol.272 , pp. 621
    • D'Silva, S.1    Choudhuri, A.R.2
  • 17
    • 77949411259 scopus 로고    scopus 로고
    • Variations in the Sun's meridional flow over a solar cycle
    • doi:10.1126/science.1181990
    • Hathaway, D. H., Rightmire, L.: 2010, Variations in the Sun's meridional flow over a solar cycle. Science327, 1350. doi: 10. 1126/science. 1181990.
    • (2010) Science , vol.327 , pp. 1350
    • Hathaway, D.H.1    Rightmire, L.2
  • 18
    • 0002685848 scopus 로고
    • Studies of solar magnetic fields. II - The magnetic fluxes
    • doi:10.1007/BF00161823
    • Howard, R.: 1974, Studies of solar magnetic fields. II - The magnetic fluxes. Solar Phys. 38, 59 - 67. doi: 10. 1007/BF00161823.
    • (1974) Solar Phys. , vol.38 , pp. 59-67
    • Howard, R.1
  • 20
    • 78649825365 scopus 로고    scopus 로고
    • Solar polar fields during cycles 21 - 23: correlation with meridional flows
    • doi:10.1007/s11207-010-9653-x
    • Janardhan, P., Bisoi, S. K., Gosain, S.: 2010, Solar polar fields during cycles 21 - 23: correlation with meridional flows. Solar Phys. 267, 267 - 277. doi: 10. 1007/s11207-010-9653-x.
    • (2010) Solar Phys. , vol.267 , pp. 267-277
    • Janardhan, P.1    Bisoi, S.K.2    Gosain, S.3
  • 21
    • 80455164781 scopus 로고    scopus 로고
    • The prelude to the deep minimum between solar cycles 23 and 24: interplanetary scintillation signatures in the inner heliosphere
    • doi:10.1029/2011GL049227
    • Janardhan, P., Bisoi, S. K., Ananthakrishnan, S., Tokumaru, M., Fujiki, K.: 2011, The prelude to the deep minimum between solar cycles 23 and 24: interplanetary scintillation signatures in the inner heliosphere. Geophys. Res. Lett. 382, 20108. doi: 10. 1029/2011GL049227.
    • (2011) Geophys. Res. Lett. , vol.382 , pp. 20108
    • Janardhan, P.1    Bisoi, S.K.2    Ananthakrishnan, S.3    Tokumaru, M.4    Fujiki, K.5
  • 22
    • 84855326626 scopus 로고    scopus 로고
    • Comparing solar minimum 23/24 with historical solar wind records at 1 AU
    • doi: 10. 1007/s11207-011-9737-2
    • Jian, L. K., Russell, C. T., Luhmann, J. G.: 2011, Comparing solar minimum 23/24 with historical solar wind records at 1 AU. Solar Phys. 69. doi: 10. 1007/s11207-011-9737-2.
    • (2011) Solar Phys. , vol.69
    • Jian, L.K.1    Russell, C.T.2    Luhmann, J.G.3
  • 23
    • 35948979332 scopus 로고    scopus 로고
    • Solar activity forecast with a dynamo model
    • doi:10.1111/j.1365-2966.2007.12267.x
    • Jiang, J., Chatterjee, P., Choudhuri, A. R.: 2007, Solar activity forecast with a dynamo model. Mon. Not. Roy. Astron. Soc. 381, 1527 - 1542. doi: 10. 1111/j. 1365-2966. 2007. 12267. x.
    • (2007) Mon. Not. Roy. Astron. Soc. , vol.381 , pp. 1527-1542
    • Jiang, J.1    Chatterjee, P.2    Choudhuri, A.R.3
  • 24
    • 84879209643 scopus 로고    scopus 로고
    • Can surface flux transport account for the weak polar field in cycle 23?
    • doi: 10. 1007/s11214-011-9783-y
    • Jiang, J., Cameron, R. H., Schmitt, D., Schussler, M.: 2011, Can surface flux transport account for the weak polar field in cycle 23? Space Sci. Rev. 136. doi: 10. 1007/s11214-011-9783-y.
    • (2011) Space Sci. Rev. , vol.136
    • Jiang, J.1    Cameron, R.H.2    Schmitt, D.3    Schussler, M.4
  • 25
    • 0001666572 scopus 로고
    • A search for the 154 day periodicity in the occurrence rate of solar flares using Ottawa 2.8 GHz burst data, 1955 - 1990
    • doi:10.1086/169831
    • Kile, J. N., Cliver, E. W.: 1991, A search for the 154 day periodicity in the occurrence rate of solar flares using Ottawa 2. 8 GHz burst data, 1955 - 1990. Astrophys. J. 370, 442 - 448. doi: 10. 1086/169831.
    • (1991) Astrophys. J. , vol.370 , pp. 442-448
    • Kile, J.N.1    Cliver, E.W.2
  • 26
    • 41449092556 scopus 로고    scopus 로고
    • Midrange periodicities in sunspot numbers and flare index during solar cycle 23
    • doi:10.1051/0004-6361:20078455
    • Kiliç, H.: 2008, Midrange periodicities in sunspot numbers and flare index during solar cycle 23. Astron. Astrophys. 481, 235 - 238. doi: 10. 1051/0004-6361: 20078455.
    • (2008) Astron. Astrophys. , vol.481 , pp. 235-238
    • Kiliç, H.1
  • 27
    • 67349172588 scopus 로고    scopus 로고
    • Automated detection of EUV polar coronal holes during solar cycle 23
    • doi:10.1007/s11207-009-9369-y
    • Kirk, M. S., Pesnell, W. D., Young, C. A., Hess Webber, S. A.: 2009, Automated detection of EUV polar coronal holes during solar cycle 23. Solar Phys. 257, 99 - 112. doi: 10. 1007/s11207-009-9369-y.
    • (2009) Solar Phys. , vol.257 , pp. 99-112
    • Kirk, M.S.1    Pesnell, W.D.2    Young, C.A.3    Hess Webber, S.A.4
  • 28
    • 2342573659 scopus 로고    scopus 로고
    • Periodic oscillations in the North-South asymmetry of the solar magnetic field
    • doi:10.1051/0004-6361:20040107
    • Knaack, R., Stenflo, J. O., Berdyugina, S. V.: 2004, Periodic oscillations in the North-South asymmetry of the solar magnetic field. Astron. Astrophys. 418, L17 - L20. doi: 10. 1051/0004-6361: 20040107.
    • (2004) Astron. Astrophys. , vol.418
    • Knaack, R.1    Stenflo, J.O.2    Berdyugina, S.V.3
  • 29
    • 23744475670 scopus 로고    scopus 로고
    • Evolution and rotation of large-scale photospheric magnetic fields of the Sun during cycles 21 - 23. periodicities, North-South asymmetries and r-mode signatures
    • doi:10.1051/0004-6361:20042091
    • Knaack, R., Stenflo, J. O., Berdyugina, S. V.: 2005, Evolution and rotation of large-scale photospheric magnetic fields of the Sun during cycles 21 - 23. periodicities, North-South asymmetries and r-mode signatures. Astron. Astrophys. 438, 1067 - 1082. doi: 10. 1051/0004-6361: 20042091.
    • (2005) Astron. Astrophys. , vol.438 , pp. 1067-1082
    • Knaack, R.1    Stenflo, J.O.2    Berdyugina, S.V.3
  • 30
    • 0036843967 scopus 로고    scopus 로고
    • The 1.3-year and 156-day periodicities in sunspot data: wavelet analysis suggests a common origin
    • doi:10.1051/0004-6361:20021063
    • Krivova, N. A., Solanki, S. K.: 2002, The 1. 3-year and 156-day periodicities in sunspot data: wavelet analysis suggests a common origin. Astron. Astrophys. 394, 701 - 706. doi: 10. 1051/0004-6361: 20021063.
    • (2002) Astron. Astrophys. , vol.394 , pp. 701-706
    • Krivova, N.A.1    Solanki, S.K.2
  • 31
    • 0000969387 scopus 로고
    • Evolution of the 155 day periodicity in sunspot areas during solar cycles 12 to 21
    • doi:10.1086/169378
    • Lean, J.: 1990, Evolution of the 155 day periodicity in sunspot areas during solar cycles 12 to 21. Astrophys. J. 363, 718 - 727. doi: 10. 1086/169378.
    • (1990) Astrophys. J. , vol.363 , pp. 718-727
    • Lean, J.1
  • 32
    • 0036271084 scopus 로고    scopus 로고
    • Sunspots observed to physically weaken in 2000 - 2001
    • Livingston, W.: 2002, Sunspots observed to physically weaken in 2000 - 2001. Solar Phys. 207, 41 - 45.
    • (2002) Solar Phys. , vol.207 , pp. 41-45
    • Livingston, W.1
  • 33
    • 33748319101 scopus 로고
    • Least-squares frequency analysis of unequally spaced data
    • doi:10.1007/BF00648343
    • Lomb, N. R.: 1976, Least-squares frequency analysis of unequally spaced data. Astrophys. Space Sci. 39, 447 - 462. doi: 10. 1007/BF00648343.
    • (1976) Astrophys. Space Sci. , vol.39 , pp. 447-462
    • Lomb, N.R.1
  • 34
    • 0036110736 scopus 로고    scopus 로고
    • The orientational relaxation of bipolar active regions
    • doi:10.1023/A:1013896013842
    • Longcope, D., Choudhuri, A. R.: 2002, The orientational relaxation of bipolar active regions. Solar Phys. 205, 63 - 92. doi: 10. 1023/A: 1013896013842.
    • (2002) Solar Phys. , vol.205 , pp. 63-92
    • Longcope, D.1    Choudhuri, A.R.2
  • 36
    • 32644478426 scopus 로고    scopus 로고
    • Mid-term periodicities in the solar magnetic flux
    • doi:10.1007/s11207-006-4122-2
    • Mendoza, B., Velasco, V. M., Valdés-Galicia, J. F.: 2006, Mid-term periodicities in the solar magnetic flux. Solar Phys. 233, 319 - 330. doi: 10. 1007/s11207-006-4122-2.
    • (2006) Solar Phys. , vol.233 , pp. 319-330
    • Mendoza, B.1    Velasco, V.M.2    Valdés-Galicia, J.F.3
  • 37
    • 79952266241 scopus 로고    scopus 로고
    • The unusual minimum of sunspot cycle 23 caused by meridional plasma flow variations
    • doi:10.1038/nature09786
    • Nandy, D., Muñoz-Jaramillo, A., Martens, P. C. H.: 2011, The unusual minimum of sunspot cycle 23 caused by meridional plasma flow variations. Nature471, 80 - 82. doi: 10. 1038/nature09786.
    • (2011) Nature , vol.471 , pp. 80-82
    • Nandy, D.1    Muñoz-Jaramillo, A.2    Martens, P.C.H.3
  • 38
    • 0001430545 scopus 로고
    • The North-South asymmetry of sunspot areas during solar cycle 22
    • doi:10.1007/BF00680451
    • Oliver, R., Ballester, J. L.: 1994, The North-South asymmetry of sunspot areas during solar cycle 22. Solar Phys. 152, 481 - 485. doi: 10. 1007/BF00680451.
    • (1994) Solar Phys. , vol.152 , pp. 481-485
    • Oliver, R.1    Ballester, J.L.2
  • 39
    • 0032490993 scopus 로고    scopus 로고
    • Emergence of magnetic flux on the Sun as the cause of a 158-day periodicity in sunspot areas
    • doi:10.1038/29012
    • Oliver, R., Ballester, J. L., Baudin, F.: 1998, Emergence of magnetic flux on the Sun as the cause of a 158-day periodicity in sunspot areas. Nature394, 552 - 553. doi: 10. 1038/29012.
    • (1998) Nature , vol.394 , pp. 552-553
    • Oliver, R.1    Ballester, J.L.2    Baudin, F.3
  • 40
    • 33751092516 scopus 로고    scopus 로고
    • Temporal changes in sunspot umbral magnetic fields and temperatures
    • doi:10.1086/508345
    • Penn, M. J., Livingston, W.: 2006, Temporal changes in sunspot umbral magnetic fields and temperatures. Astrophys. J. Lett. 649, L45 - L48. doi: 10. 1086/508345.
    • (2006) Astrophys. J. Lett. , vol.649
    • Penn, M.J.1    Livingston, W.2
  • 42
    • 33749367317 scopus 로고
    • A 154-day periodicity in the occurrence of hard solar flares?
    • doi:10.1038/312623a0
    • Rieger, E., Kanbach, G., Reppin, C., Share, G. H., Forrest, D. J., Chupp, E. L.: 1984, A 154-day periodicity in the occurrence of hard solar flares? Nature312, 623 - 625. doi: 10. 1038/312623a0.
    • (1984) Nature , vol.312 , pp. 623-625
    • Rieger, E.1    Kanbach, G.2    Reppin, C.3    Share, G.H.4    Forrest, D.J.5    Chupp, E.L.6
  • 43
    • 0042553279 scopus 로고
    • Smoothing and differentiation of data by simplified least squares procedures
    • Savitzky, A., Golay, M. J. E.: 1964, Smoothing and differentiation of data by simplified least squares procedures. Anal. Chem. 36, 1627 - 1639.
    • (1964) Anal. Chem. , vol.36 , pp. 1627-1639
    • Savitzky, A.1    Golay, M.J.E.2
  • 44
    • 0001135997 scopus 로고
    • Studies in astronomical time series analysis. II - Statistical aspects of spectral analysis of unevenly spaced data
    • doi:10.1086/160554
    • Scargle, J. D.: 1982, Studies in astronomical time series analysis. II - Statistical aspects of spectral analysis of unevenly spaced data. Astrophys. J. 263, 835 - 853. doi: 10. 1086/160554.
    • (1982) Astrophys. J. , vol.263 , pp. 835-853
    • Scargle, J.D.1
  • 45
    • 0001596801 scopus 로고
    • Studies in astronomical time series analysis. III - Fourier transforms, autocorrelation functions, and cross-correlation functions of unevenly spaced data
    • doi:10.1086/167757
    • Scargle, J. D.: 1989, Studies in astronomical time series analysis. III - Fourier transforms, autocorrelation functions, and cross-correlation functions of unevenly spaced data. Astrophys. J. 343, 874 - 887. doi: 10. 1086/167757.
    • (1989) Astrophys. J. , vol.343 , pp. 874-887
    • Scargle, J.D.1
  • 46
    • 0031433715 scopus 로고    scopus 로고
    • Spectrum: spectral analysis of unevenly spaced paleoclimatic time series
    • Schultz, M., Stattegger, K.: 1997, Spectrum: spectral analysis of unevenly spaced paleoclimatic time series. Comp. Geosci. 23, 929 - 945.
    • (1997) Comp. Geosci. , vol.23 , pp. 929-945
    • Schultz, M.1    Stattegger, K.2
  • 47
    • 84950639612 scopus 로고
    • Testing for periodicity in a time series
    • Siegel, A. F.: 1980, Testing for periodicity in a time series. J. Am. Stat. Assoc. 75, 345 - 348.
    • (1980) J. Am. Stat. Assoc. , vol.75 , pp. 345-348
    • Siegel, A.F.1
  • 48
  • 49
    • 34250105205 scopus 로고
    • On the increase of solar activity in the Southern Hemisphere during solar cycle 21
    • Verma, V. K.: 1987, On the increase of solar activity in the Southern Hemisphere during solar cycle 21. Solar Phys. 114, 185 - 188.
    • (1987) Solar Phys. , vol.114 , pp. 185-188
    • Verma, V.K.1
  • 50
    • 0042641261 scopus 로고
    • On the periodicities of sunspots and solar strong hard X-ray bursts
    • doi:10.1007/BF00167358
    • Verma, V. K., Joshi, G. C.: 1987, On the periodicities of sunspots and solar strong hard X-ray bursts. Solar Phys. 114, 415 - 418. doi: 10. 1007/BF00167358.
    • (1987) Solar Phys. , vol.114 , pp. 415-418
    • Verma, V.K.1    Joshi, G.C.2
  • 51
    • 0043157319 scopus 로고    scopus 로고
    • On the fluctuating component of the Sun's large-scale magnetic field
    • doi:10.1086/375026
    • Wang, Y.-M., Sheeley, N. R. Jr.: 2003, On the fluctuating component of the Sun's large-scale magnetic field. Astrophys. J. 590, 1111 - 1120. doi: 10. 1086/375026.
    • (2003) Astrophys. J. , vol.590 , pp. 1111-1120
    • Wang, Y.-M.1    Sheeley Jr., N.R.2
  • 52
    • 0000581077 scopus 로고
    • Evolution of the Sun's polar fields during sunspot cycle 21 - poleward surges and long-term behavior
    • doi:10.1086/168143
    • Wang, Y.-M., Nash, A. G., Sheeley, N. R. Jr.: 1989, Evolution of the Sun's polar fields during sunspot cycle 21 - poleward surges and long-term behavior. Astrophys. J. 347, 529 - 539. doi: 10. 1086/168143.
    • (1989) Astrophys. J. , vol.347 , pp. 529-539
    • Wang, Y.-M.1    Nash, A.G.2    Sheeley Jr., N.R.3
  • 53
    • 72849139059 scopus 로고    scopus 로고
    • On the weakening of the polar magnetic fields during solar cycle 23
    • doi:10.1088/0004-637X/707/2/1372
    • Wang, Y.-M., Robbrecht, E., Sheeley, N. R. Jr.: 2009, On the weakening of the polar magnetic fields during solar cycle 23. Astrophys. J. 707, 1372 - 1386. doi: 10. 1088/0004-637X/707/2/1372.
    • (2009) Astrophys. J. , vol.707 , pp. 1372-1386
    • Wang, Y.-M.1    Robbrecht, E.2    Sheeley Jr., N.R.3
  • 54
    • 84908144695 scopus 로고
    • The use of fast Fourier transform for the estimation of power spectra: a method based on time averaging over short, modified periodograms
    • Welch, P. D.: 1967, The use of fast Fourier transform for the estimation of power spectra: a method based on time averaging over short, modified periodograms. IEEE Trans. Audio Electroacoust. 15, 70 - 73.
    • (1967) IEEE Trans. Audio Electroacoust. , vol.15 , pp. 70-73
    • Welch, P.D.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.