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Infragravity wave source regions determined from ambient noise correlation

Harmon, Nicholas, Henstock, Timothy J., Srokosz, Meric, Tilmann, Frederik, Rietbrock, Andreas and Barton, Penny (2012) Infragravity wave source regions determined from ambient noise correlation Geophysical Research Letters, 39, L04604. (doi:10.1029/2011GL050414).

Record type: Article


We use a backprojection method to determine dominant directions of ocean infragravity waves from 60–200 s period from cross correlations between 5 ocean bottom differential pressure gauges located off the coast of Sumatra. We observe infragravity waves arriving from all directions, but there is a dominant source direction that represents coherent propagation along the coast from the southeast or from the south. This study demonstrates the effectiveness of our projection technique, which may be applied to past and future seismic data to improve models of ocean infragravity wave generation and tsunami propagation.

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Published date: 24 February 2012
Organisations: Geology & Geophysics, Marine Physics and Ocean Climate


Local EPrints ID: 333190
ISSN: 0094-8276
PURE UUID: 0d0060d0-6913-4a8a-b066-19cbccac096e
ORCID for Timothy J. Henstock: ORCID iD

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Date deposited: 01 Mar 2012 15:01
Last modified: 18 Jul 2017 06:13

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Author: Nicholas Harmon
Author: Meric Srokosz
Author: Frederik Tilmann
Author: Andreas Rietbrock
Author: Penny Barton

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