 Solution

ID: past-exam-of-the-year-2-of-the-earth-sciences-geology-course-of-the-university-of-oxford/2023/paper-1/6/m/solution

Z_{S} = ρ V_{S}

. With

V_{S 3} = 3000 m s^{- 1}

as documented in part (i),

(Z_{S 1}, Z_{S 2}, Z_{S 3}) = (3.30, 2.40, 3.00) \times 1 0^{6} kg m^{- 2} s^{- 1} .

Unlike the P-wave case, the reservoir base has a nonzero S-wave seismic impedance contrast.

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