Characterizing the spatial pattern of solar supergranulation using the bispectrum

Context. The spatial power spectrum of supergranulation does not fully characterize the underlying physics of turbulent convection. For example, it does not describe the non-Gaussianity in the horizontal flow divergence. Aims. Our aim is to statistically characterize the spatial pattern of solar sup...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2020-03, Vol.635, p.A181
Hauptverfasser:	Böning, Vincent G. A., Birch, Aaron C., Gizon, Laurent, Duvall, Thomas L., Schou, Jesper
Format:	Artikel
Sprache:	eng
Schlagworte:	Bispectral analysis Computational fluid dynamics Correlation analysis Coupling Divergence Helioseismology Hexagons Nonlinearity Numerical models Skewness Solar activity Solar convection (astronomy) Solar observatories
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