Table 3 Parameters used in the computation of Moho and LAB depth
From: A local lithospheric structure model for Vietnam derived from a high-resolution gravimetric geoid
Parameter | Symbol | Value |
|---|---|---|
Upper crustal density | \({\rho }_{c}^{T}\) | 2700 kg/m3 |
Lower crustal density | \({\rho }_{c}^{B}\) | 2900 kg/m3 |
Seawater density | \({\rho }_{w}\) | 1030 kg/m3 |
Asthenosphere density | ρa | 3200 kg/m3 |
Compensation level depth | zmax | 300 km |
Moho depth of the reference column | zcREF | 28.5 km |
LAB depth of the reference column | zLREF | 129 km |
Crustal surface heat production | Hs | \(2.5 {10}^{-6} \mathrm{exp}(-(z+E)/15000)\mathrm{ W}{/\mathrm{m}}^{3}\) |
Linear coefficient of thermal expansion | α | 3.5 10–5 K−1 |
Crustal thermal conductivity | kc | 2.5 W m−1 K−1 |
Mantle thermal conductivity | km | 3.2 W m−1 K−1 |
Surface temperature | Ts | 15 °C |
Temperature at the LAB | Ta | 1350 °C |