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Basic scenarios and mechanisms for the formation and decay of small-scalemagnetic elements and their manifestation in synthesized Stokes profiles of theFe I 15648.5 A infrared line are considered in the context of two-dimensionalmodeling of nonstationary magnetogranulation on the Sun. The stage ofconvective collapse is characterized by large redshifts in the V profilesaccompanied by complete Zeeman splitting of the I profiles. This is due tointense downward flows of material, which facilitates the concentration oflongitudinal field with an amplitude of about several kG in the tube. Thedissipation of strong magnetic structures is characterized by blueshifts in theStokes profiles, which result from upward fluxes that decrease the magneticfield in the tube. Typical signatures during key stages in the evolution ofcompact magnetic elements should be detectable via observations withsufficiently high spatial and temporal resolution.

Evolution of solar magnetic tubes and its manifestation in Stokes parameters