Parameter |
Value |
sediment/water sound speed ratio (ν) used in fluid model |
1.16 |
sediment/water mass density ratio (ρ) used in fluid model |
2.03 |
Ratio of imaginary to real sediment wavenumber (δ) used in
fluid model |
0.01 |
Porosity of sediment (β) |
0.385 |
Mass density of sand grains (ρ〓) |
2690kg/m3 |
Mass density of water (ρ〓) |
1023kg/m3 |
Bulk modulus of sand grains (Κ〓) (value used in EDFM) |
3.2×1010
Pa
(3.45×1010 Pa) |
Bulk modulus of sediment frame (Κb) |
4.36x107
-2.08×106 i Pa |
Shear modulus of sediment frame (μ) |
2.92x107
-1.8×106 i Pa |
Bulk modulus of water (Κ〓) |
2.395×109
Pa |
Viscosity of water (η) |
0.00005 kg/〓 |
Permeability of sediment (〓) |
2.5×10-11m2 |
Tortuosity of sediment (α) |
1.35 |
Bottom relief spectral strength (w2)
for the range 0.02 to 2.0 cycles/cm |
0.0036cm4 |
Bottom relief spectral exponent (γ2)
for the range 0.02 to 2.0 cycles/cm |
3.04 |
Bottom relief spectral strength (w2)
for the range 2 to 5 cycles/cm |
1.0847 cm4 |
Bottom relief spectral exponent (γ2)
for the range 2 to 5 cycles/cm |
5.13 |
Sediment density spectral strength (w3) |
2.34×10-6
cm3 |
Sediment density and sound speed spectral exponent (γ3) |
4 |
Compressibility fluctuation ratio (ζ) |
-2.84 |