Title
Poleward migration rate of the magnetic fields and the power of the solar cycle Poleward migration rate of the magnetic fields and the power of the solar cycle
Author
Publication type
conferenceObject
Publication
2200 ag noordwijk :Esa publications division c/o estec ,
Subject
Physics
Source (journal)
PROCEEDINGS OF THE SOHO 10/GONG 2000 WORKSHOP ON HELIO- AND
ASTEROSEISMOLOGY AT THE DAWN OF THE MILLENNIUM
Source (book)
SOHO 10/GONG 2000 Workshop on Helio- and Asteroseismology at the Dawn of, the Millennium, OCT 02-06, 2000, INST ASTROFIS CANARIAS, SANTA CRUZ TENERI, SPAIN
Volume/pages
464() , p. 115-118
ISSN
0379-6566
ISBN
92-9092-697-X
ISI
000169104500021
Carrier
E
Target language
English (eng)
Abstract
We show that the velocity of poleward migration of the magnetic fields is a linear function of the "strength of the solar cycle". We introduce a new index" the strength of the solar cycle" and represent this quantitatively by the two parameters: Sigma (rev)(min) S-sp - summation of all the annual means of sunspot areas S-sp of the cycle for the N and S hemispheres separately starting from the lowest value of the annual mean in S-sp in the minimum phase all the way to the year of the polarity reversal and Sigma W-rev(min) - summation of the Wolf numbers as done for Sigma (rev)(min) S-sp, but over the entire visible hemisphere. Each of these parameters according to us represents the "strength of the solar cycle" although they are not independent of each other. We also discuss some questions regarding the role of the meridional circulation in transporting the fields towards the poles.
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