Parameter | Value | Unit | Description | ||
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m | average thickness of the basalt layer |
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0.03 | 0.03 | 0.03 | ... | mass fraction of water in the basalt layer |
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0.194 | 0.194 | 0.194 | ... | degassing fraction of water |
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m | melting depth |
k | 4.2 | 4.2 | 4.2 | J s-1 m-1 K-1 | thermal conductivity |
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kg | initial amount of mantle water |
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m | inner radius of the mantle |
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m | outer radius of the mantle |
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3000 | 3000 | 3000 | K | initial mantle temperature |
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10-6 | 10-6 | 10-6 | m2 s-1 | thermal diffusivity |
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2950 | 4005 | 4,379 | kg m-3 | density of the basalt |
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J m-3 K-1 | density ![]() |
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K-1 | temperature dependence of regassing ratio |
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K-1 | coefficient of thermal expansion |
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0.3 | 0.3 | 0.3 | ... | empirical constant in Eq. (12) |
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1,100 | 1,100 | 1,100 | ... | critical Rayleigh number |
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0.34 | 0.34 | 0.34 | Gyr-1 | decay constant of radiogenic heat |
E0 |
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J s-1 m-3 | initial heat generation per time and volume |
g | 9.81 | 20.6 | 25.5 | m s-2 | gravitational acceleration |