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Table 1

Summary of BP characteristics in AR 11372.

Region 1 2 3

No. of BPs 2755 851 2843
Av. Φ (G) 169 3 -105
Av. | Φ | (G) 169 7 107
Av. lifetime (s) 136 ± 40 88 ± 23 128 ± 38
Av. area (km2) 29 000 ± 2 600 24 000 ± 2 100 28 000 ± 2 500
Av. velocity (km s-1) 0.6 ± 0.3 0.9 ± 0.4 0.7 ± 0.4
Max. velocity (km s-1) 5 7 5.3
Diffusion index (γ) 1.23 ± 0.22 1.21 ± 0.25 1.19 ± 0.24
Diffusion coefficient (K; km2 s-1) 109 ± 43 123 ± 45 137 ± 56

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