Abstract
A comparative study of magnetic fields and photospheric velocities has shown that the appearance of certain velocity configurations can be associated with subsequent changes in the observed local magnetic field. A descriptive empirical relationship seems to be applicable both to spots and spotless regions.
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Martres, M.J., Soru-Escaut, I. & Rayrole, J. Relationship between some photospheric motions and the evolution of active centers. Sol Phys 32, 365–378 (1973). https://doi.org/10.1007/BF00154949
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DOI: https://doi.org/10.1007/BF00154949