Single station determination of Rayleigh wave ellipticity by using the random decrement technique (RayDec)
Rayleigh wave ellipticity as a function of frequency is closely linked to underground structure, i.e., shear wave velocity profile and sediment thickness. The possibility to calculate these underground properties by inverting ellipticity curves has recently been shown. We propose a new technique ena...
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| Veröffentlicht in: | Geophysical research letters 2009-07, Vol.36 (14), p.np-n/a |
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| creator | Hobiger, M. Bard, P.-Y. Cornou, C. Le Bihan, N. |
| description | Rayleigh wave ellipticity as a function of frequency is closely linked to underground structure, i.e., shear wave velocity profile and sediment thickness. The possibility to calculate these underground properties by inverting ellipticity curves has recently been shown. We propose a new technique enabling the Rayleigh wave ellipticity to be recovered over a wide frequency range by using ambient noise recordings. Based on the random decrement technique commonly used to characterize dynamic parameters of buildings, this method eliminates all wave types except Rayleigh waves. We apply the method to noise synthetics simulated for different underground structures and show its applicability to real seismic noise data. |
| doi_str_mv | 10.1029/2009GL038863 |
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The possibility to calculate these underground properties by inverting ellipticity curves has recently been shown. We propose a new technique enabling the Rayleigh wave ellipticity to be recovered over a wide frequency range by using ambient noise recordings. Based on the random decrement technique commonly used to characterize dynamic parameters of buildings, this method eliminates all wave types except Rayleigh waves. 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Res. Lett</addtitle><description>Rayleigh wave ellipticity as a function of frequency is closely linked to underground structure, i.e., shear wave velocity profile and sediment thickness. The possibility to calculate these underground properties by inverting ellipticity curves has recently been shown. We propose a new technique enabling the Rayleigh wave ellipticity to be recovered over a wide frequency range by using ambient noise recordings. Based on the random decrement technique commonly used to characterize dynamic parameters of buildings, this method eliminates all wave types except Rayleigh waves. We apply the method to noise synthetics simulated for different underground structures and show its applicability to real seismic noise data.</description><subject>Computer Science</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Earthquakes</subject><subject>Ellipticity</subject><subject>Exact sciences and technology</subject><subject>Frequency ranges</subject><subject>Geophysics</subject><subject>Information Retrieval</subject><subject>Mathematical analysis</subject><subject>microtremors</subject><subject>Noise</subject><subject>Rayleigh wave</subject><subject>Rayleigh waves</subject><subject>Recording</subject><subject>Sciences of the Universe</subject><subject>Seismology</subject><subject>Stations</subject><subject>Surface waves</subject><subject>Underground structures</subject><subject>Wave velocity</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kV-L1DAUxYsoOK6--QGCIOzCVu9t0qZ9XEd3ViyKq-JjSNPbnYyddkwyu9tvb4Yug_ggBPLvdw7n3pskLxHeIGTV2wygWtXAy7Lgj5IFVkKkJYB8nCziTzxnsniaPPN-AwAcOC6SzTc73PTEfNDBjgNrKZDb2mG-jR271lNP9mbN7vQtMep7uwvW2DCxZmJ7H9UsrIk5PbTjNsqNoy0NgQUy68H-3hM7jRbvyZw9T550uvf04mE_SX5cfvi-vErrL6uPy4s61XkhZdoWxHUu4-KyyWVnENtOyLIopMZcA3JuOGFVFboTLQE2EkRbNS1H3WDX8ZPkbPZd617tnN1qN6lRW3V1UavDG4BALkDeYmRPZ3bnxpjVB7W13sQq9UDj3ivMBYrY2kxG9NU_6GbcuyFWokpRcV4g5hE6nyHjRu8ddccACOowI_X3jCL--sFTe6P7LnbRWH_UZFhWHMXBNpu5O9vT9F9PtbquswLKQ-B0Flkf6P4o0u6XKmJvc_Xz80ot3329rOpPoCT_A7blrUM</recordid><startdate>200907</startdate><enddate>200907</enddate><creator>Hobiger, M.</creator><creator>Bard, P.-Y.</creator><creator>Cornou, C.</creator><creator>Le Bihan, N.</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><general>John Wiley & Sons, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7TN</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H8D</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>L7M</scope><scope>M2O</scope><scope>M2P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P5Z</scope><scope>P62</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0002-3018-1047</orcidid><orcidid>https://orcid.org/0000-0001-6175-6045</orcidid><orcidid>https://orcid.org/0000-0002-2367-7968</orcidid><orcidid>https://orcid.org/0000-0003-4301-2979</orcidid></search><sort><creationdate>200907</creationdate><title>Single station determination of Rayleigh wave ellipticity by using the random decrement technique (RayDec)</title><author>Hobiger, M. ; 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| source | Wiley-Blackwell AGU Digital Library; EZB-FREE-00999 freely available EZB journals; Wiley Online Library All Journals; Wiley Online Library (Open Access Collection) |
| subjects | Computer Science Earth sciences Earth, ocean, space Earthquakes Ellipticity Exact sciences and technology Frequency ranges Geophysics Information Retrieval Mathematical analysis microtremors Noise Rayleigh wave Rayleigh waves Recording Sciences of the Universe Seismology Stations Surface waves Underground structures Wave velocity |
| title | Single station determination of Rayleigh wave ellipticity by using the random decrement technique (RayDec) |
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