Supergranulation rotation |
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Authors: | Beck John G Schou Jesper |
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Institution: | (1) W.W. Hansen Experimental Physics Laboratory, Stanford, CA, 94305-4085, U.S.A. |
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Abstract: | Simple convection models estimate the depth of supergranulation at approximately 7500 km which suggests that supergranules would rotate at the rate of the plasma in the outer 1% of the solar radius. The supergranulation rotation obtained from MDI dopplergrams shows that supergranules rotate faster than the outer 5% of the convection zone and show zonal flows matching results from inversions of f-mode splittings. Additionally, the rotation rate depends on the size scale of the features. |
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