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Table 1.

Magnetic fields derived from simple balances (forces or energies) written in the second column.

Regime Balance Estimation of Bdyn
Equipartition ME = KE
Buoyancy dynamo
Magnetostrophy FL = 2ρ0Ω × u

Notes. Details of the calculations are given in the Appendix A. KE and ME are the kinetic and magnetic energy densities of the convective flow, respectively.

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