Frequency dependence of seismic dissipation in saturated rocks
Measurements of the specific dissipation factor, Q−1, have been made in saturated rock as a function of effective pressure. The measurements were made at two different frequencies, one in the range of 100 to 250 Hz and the other in the range of 7 to 9 kHz, using the resonant bar method. In saturated...
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| Veröffentlicht in: | Geophysical research letters 1981-01, Vol.8 (1), p.36-38 |
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| container_title | Geophysical research letters |
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| creator | Tittmann, B. R. Nadler, H. Clark, V. A. Ahlberg, L. A. Spencer, T. W. |
| description | Measurements of the specific dissipation factor, Q−1, have been made in saturated rock as a function of effective pressure. The measurements were made at two different frequencies, one in the range of 100 to 250 Hz and the other in the range of 7 to 9 kHz, using the resonant bar method. In saturated rock, Q−1 is lower at the lower frequency, and the difference between the values of Q−1 measured at the high and low frequencies decreases as effective pressure increases. At effective pressures greater than 200 bars, the Q−1 of saturated Berea sandstone measured at 200 Hz approaches that of dry Berea sandstone measured at 7 kHz. |
| doi_str_mv | 10.1029/GL008i001p00036 |
| format | Article |
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R. ; Nadler, H. ; Clark, V. A. ; Ahlberg, L. A. ; Spencer, T. W.</creator><creatorcontrib>Tittmann, B. R. ; Nadler, H. ; Clark, V. A. ; Ahlberg, L. A. ; Spencer, T. W.</creatorcontrib><description>Measurements of the specific dissipation factor, Q−1, have been made in saturated rock as a function of effective pressure. The measurements were made at two different frequencies, one in the range of 100 to 250 Hz and the other in the range of 7 to 9 kHz, using the resonant bar method. In saturated rock, Q−1 is lower at the lower frequency, and the difference between the values of Q−1 measured at the high and low frequencies decreases as effective pressure increases. At effective pressures greater than 200 bars, the Q−1 of saturated Berea sandstone measured at 200 Hz approaches that of dry Berea sandstone measured at 7 kHz.</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/GL008i001p00036</identifier><language>eng</language><publisher>Blackwell Publishing Ltd</publisher><subject>Bars ; Dissipation ; Dissipation factor ; Drying ; Geophysics ; Low frequencies ; Rocks ; Sandstone</subject><ispartof>Geophysical research letters, 1981-01, Vol.8 (1), p.36-38</ispartof><rights>Copyright 1981 by the American Geophysical Union.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a4113-8e971e9dd5cd76556a6c10c1213749c2eba1875f249ac3147c59d99d238ecdbd3</citedby><cites>FETCH-LOGICAL-a4113-8e971e9dd5cd76556a6c10c1213749c2eba1875f249ac3147c59d99d238ecdbd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2FGL008i001p00036$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2FGL008i001p00036$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,778,782,1414,27907,27908,45557,45558</link.rule.ids></links><search><creatorcontrib>Tittmann, B. 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At effective pressures greater than 200 bars, the Q−1 of saturated Berea sandstone measured at 200 Hz approaches that of dry Berea sandstone measured at 7 kHz.</description><subject>Bars</subject><subject>Dissipation</subject><subject>Dissipation factor</subject><subject>Drying</subject><subject>Geophysics</subject><subject>Low frequencies</subject><subject>Rocks</subject><subject>Sandstone</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1981</creationdate><recordtype>article</recordtype><recordid>eNqFkDFPwzAQRi0EEqUws2ZkCfXFdhwvSAhoAEVFQkWMlmtfJNM2CXYq6L8nVREDS6f7hvdOdx8hl0CvgWZqUlaUFp5S6CilLD8iI1CcpwWl8piMKFVDzmR-Ss5i_NghlMGI3EwDfm6wsdvEYYeNGyImbZ1E9HHtbeJ8jL4zvW-bxDdJNP0mmB5dElq7jOfkpDariBe_c0zepg_zu8e0eimf7m6r1HAAlhaoJKByTlgncyFyk1ugFjJgkiub4cJAIUWdcWUsAy6tUE4pl7ECrVs4NiZX-71daIdzY6_XPlpcrUyD7SZqyCUIxUWuDqOCA8-KYvh_TCZ71IY2xoC17oJfm7DVQPWuVP2v1MHge-PLr3B7CNflawVcsUFL95qPPX7_aSYsdS6ZFPp9VupyWs2fi_u5nrEfBkqIDQ</recordid><startdate>198101</startdate><enddate>198101</enddate><creator>Tittmann, B. 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W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a4113-8e971e9dd5cd76556a6c10c1213749c2eba1875f249ac3147c59d99d238ecdbd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1981</creationdate><topic>Bars</topic><topic>Dissipation</topic><topic>Dissipation factor</topic><topic>Drying</topic><topic>Geophysics</topic><topic>Low frequencies</topic><topic>Rocks</topic><topic>Sandstone</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tittmann, B. R.</creatorcontrib><creatorcontrib>Nadler, H.</creatorcontrib><creatorcontrib>Clark, V. A.</creatorcontrib><creatorcontrib>Ahlberg, L. A.</creatorcontrib><creatorcontrib>Spencer, T. 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Lett</addtitle><date>1981-01</date><risdate>1981</risdate><volume>8</volume><issue>1</issue><spage>36</spage><epage>38</epage><pages>36-38</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><abstract>Measurements of the specific dissipation factor, Q−1, have been made in saturated rock as a function of effective pressure. The measurements were made at two different frequencies, one in the range of 100 to 250 Hz and the other in the range of 7 to 9 kHz, using the resonant bar method. In saturated rock, Q−1 is lower at the lower frequency, and the difference between the values of Q−1 measured at the high and low frequencies decreases as effective pressure increases. At effective pressures greater than 200 bars, the Q−1 of saturated Berea sandstone measured at 200 Hz approaches that of dry Berea sandstone measured at 7 kHz.</abstract><pub>Blackwell Publishing Ltd</pub><doi>10.1029/GL008i001p00036</doi><tpages>3</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-8276 |
| ispartof | Geophysical research letters, 1981-01, Vol.8 (1), p.36-38 |
| issn | 0094-8276 1944-8007 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1671594569 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Bars Dissipation Dissipation factor Drying Geophysics Low frequencies Rocks Sandstone |
| title | Frequency dependence of seismic dissipation in saturated rocks |
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