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Table 3 Parameters used to estimate τ y,cr and τy,cr′ for Earth as in Solomatov ( 2004a ,b)

From: Towards scaling laws for subduction initiation on terrestrial planets: constraints from two-dimensional steady-state convection simulations

α

3×10−5

κ

10−6 m2 s −1

δ lid

100 km

k

3 W m −1 K −1

E

430 kJ mol 1

d

approximately 500 km

g

10 m s −2

ρ

3,300 kg m −3

T 0

300 K

T i

1,700 K

l hor

100 km