Table 1: Overview of the studied parameters and their influence on the total unsigned flux ( $B_{\rm tot}$ ) and the polar field ( $B_{\rm pole}$ ).
Parameter Standard case Range Dependence of $B_{\rm tot}$ Dependence of $B_{\rm pole}$ Sect./
Fig.

Diffusion coefficient $\eta$
600 50-1500 Decrease Strong ecrease;
saturates for $\eta \gtrsim 500$ 4.1/6

Meridional flow
amplitude v₀ [ $~\rm m~s^{-1}$ ] 11 0-30 Weak decrease Reaches maximum at
v₀=8 4.2/7

Differential rotation k=1 k=0-10 Decrease No effect 4.3/9

Activity level 1 (solar case) 0.2-10 Power-law Linear increase 4.4/10

Cycle overlap [years] 2 0-6 Background forms
for $B_{\rm tot,min}$ Weak decrease 4.5 / 11

Cycle length [years] 13 5-20 Weak variation Increase 4.6/12

Size distribution A^-2 A^-p, p = 1 - 4 Decrease Weak decrease 4.7/13

Tilt angle $0.5~\lambda$ $0.1~\lambda{-}2.0~\lambda$ Linear increase Linear increase 4.8/15

Scatter of tilt angles
0 0 - 30 No effect No effect 4.8/ -

Shift of emergence
latitudes [deg] 40 Initially 35-60 $B_{\rm tot,min}$ decreases,
$B_{\rm tot,max}$ increases Increase 4.9.1/17

Slope of mean
emergence line [deg] 40/5 (start/
end of cycle) 22.5/22.5 to
45/0 No effect Weak decrease 4.9.2/18

Spread around mean
emergence line [deg] 10/5 (start/end) 0-20 No effect No effect 4.9.3/ -

Position of activity
maximum [years] 6.5 (=0.5
cycle length) 1-12 No effect No effect 4.10/
Table 2

**Table 1:** Overview of the studied parameters and their influence on the total unsigned flux ( $B_{\rm tot}$ ) and the polar field ( $B_{\rm pole}$ ).
Parameter	Standard case	Range	Dependence of $B_{\rm tot}$	Dependence of $B_{\rm pole}$	Sect./ Fig.
Diffusion coefficient $\eta$	600	50-1500	Decrease	Strong ecrease; saturates for $\eta \gtrsim 500$	4.1/6
Meridional flow amplitude v₀ [ $~\rm m~s^{-1}$ ]	11	0-30	Weak decrease	Reaches maximum at v₀=8	4.2/7
Differential rotation	k=1	k=0-10	Decrease	No effect	4.3/9
Activity level	1 (solar case)	0.2-10	Power-law	Linear increase	4.4/10
Cycle overlap [years]	2	0-6	Background forms for $B_{\rm tot,min}$	Weak decrease	4.5 / 11
Cycle length [years]	13	5-20	Weak variation	Increase	4.6/12
Size distribution	A^-2	A^-p, p = 1 - 4	Decrease	Weak decrease	4.7/13
Tilt angle	$0.5~\lambda$	$0.1~\lambda{-}2.0~\lambda$	Linear increase	Linear increase	4.8/15
Scatter of tilt angles	0	0 - 30	No effect	No effect	4.8/ -
Shift of emergence latitudes [deg]	40	Initially 35-60	$B_{\rm tot,min}$ decreases, $B_{\rm tot,max}$ increases	Increase	4.9.1/17
Slope of mean emergence line [deg]	40/5 (start/ end of cycle)	22.5/22.5 to 45/0	No effect	Weak decrease	4.9.2/18
Spread around mean emergence line [deg]	10/5 (start/end)	0-20	No effect	No effect	4.9.3/ -
Position of activity maximum [years]	6.5 (=0.5 cycle length)	1-12	No effect	No effect	4.10/ Table 2

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