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Group velocity maps using subspace and transdimensional inversions: ambient noise tomography in the western part of Java, Indonesia

Rosalia, Shindy; Cummins, Phil; Widiyantoro, Sri; Yudistira, Tedi; Nugraha, Andri Dian; Hawkins, Rhys

Description

In this paper, we compare two different methods for group velocity inversion: iterative, least-squares subspace optimization and probabilistic sampling based on the transdimensional (Trans-D) Bayesian method with tree-based wavelet parametrization. The wavelet parametrization used a hierarchical prior for wavelet coefficients which could adapt to the data. We applied these inversion methods for ambient noise tomography of the western part of Java, Indonesia. This area is an area prone to...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
URI: http://hdl.handle.net/1885/219254
Source: Geophysical Journal International
DOI: 10.1093/gji/ggz498

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