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Seismic topographic scattering in the context of GW detector site selection - MaRDI portal

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Seismic topographic scattering in the context of GW detector site selection

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Publication:2885417

DOI10.1088/0264-9381/29/7/075004zbMATH Open1241.83031arXiv1111.6319OpenAlexW2036074582WikidataQ59452101 ScholiaQ59452101MaRDI QIDQ2885417

Author name not available (Why is that?)

Publication date: 23 May 2012

Published in: (Search for Journal in Brave)

Abstract: In this paper, we present a calculation of seismic scattering from irregular surface topography in the Born approximation. Based on US-wide topographic data, we investigate topographic scattering at specific sites to demonstrate its impact on Newtonian-noise estimation and subtraction for future gravitational-wave detectors. We find that topographic scattering at a comparatively flat site in Oregon would not pose any problems, whereas scattering at a second site in Montana leads to significant broadening of wave amplitudes in wavenumber space that would make Newtonian-noise subtraction very challenging. Therefore, it is shown that topographic scattering should be included as criterion in the site-selection process of future low-frequency gravitational-wave detectors.


Full work available at URL: https://arxiv.org/abs/1111.6319




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