Abstract:Based on the Fourier transform, the Parker-Oldenburg algorithm in the frequency domain was extended to the three-dimensional case in which the density changes with depth. From this, a gravity interface inversion formula was derived in which the assumed density varies laterally and vertically. Iterative convergence is assured by fixing a particular depth as the datum plane below the surface to reduce the interface fluctuation. The results of an example of synthetic gravity data indicate that the proposed method… Show more
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