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Table 2 Global statistics at mid-depth: dynamo models time average and standard deviation values

From: Deep magnetic field stretching in numerical dynamos

Model Ad r /Ad h St r /St h St h /Ad h St/Ad \(\mathcal {P}/\mathcal {T}\) \(\|u_{r}\|/\|\vec {u}_{h}\|\)
1 0.63±0.05 1.33±0.22 0.44±0.05 0.78±0.16 0.37±0.04 0.69±0.06
2 0.60±0.10 1.26±0.20 0.41±0.07 0.66±0.10 0.38±0.04 0.71±0.04
3 0.63±0.08 1.29±0.18 0.38±0.06 0.65±0.12 0.43±0.03 0.76±0.10
4 0.50±0.07 1.76±0.22 0.43±0.08 0.90±0.12 0.32±0.04 0.60±0.06
5 0.52±0.07 1.45±0.17 0.48±0.07 0.85±0.09 0.38±0.03 0.65±0.06
6 0.64±0.07 1.25±0.15 0.50±0.05 0.81±0.10 0.42±0.05 0.75±0.05
7 0.57±0.08 1.27±0.11 0.64±0.11 1.00±0.14 0.38±0.03 0.71±0.06
8 0.59±0.05 1.29±0.13 0.56±0.04 0.88±0.13 0.42±0.05 0.74±0.07
9 0.65±0.04 1.14±0.07 0.52±0.05 0.75±0.06 0.44±0.04 0.79±0.05
  1. St r , St h , and St are the radial, tangential, and total stretching rms, respectively; Ad r , Ad h , and Ad are the radial, tangential, and total advection rms, respectively; \(\mathcal {P}/\mathcal {T}\) is the poloidal/toroidal flow rms ratio, and \(\|u_{r}\|/\|\vec {u}_{h}\|\) is the radial/tangential flow rms ratio