Broad-band Rayleigh wave tomography of Taiwan and its implications on gravity anomalies
We construct the first broad‐band surface wave group velocity dispersion maps for the entire island of Taiwan using the ambient seismic noise tomography. Continuous data from three island‐wide broad‐band networks are used. In particular, taking advantage of the temporary arrays deployed by the TAiwa...
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| Veröffentlicht in: | Geophysical research letters 2012-03, Vol.39 (5), p.n/a |
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| creator | Huang, Tzu-Ying Gung, Yuancheng Liang, Wen-Tzong Chiao, Ling-Yun Teng, Louis S. |
| description | We construct the first broad‐band surface wave group velocity dispersion maps for the entire island of Taiwan using the ambient seismic noise tomography. Continuous data from three island‐wide broad‐band networks are used. In particular, taking advantage of the temporary arrays deployed by the TAiwan Integrated GEodynamics Research project (TAIGER), we have collected an unprecedented data amount for the noise tomography in Taiwan. We construct 2D group velocity maps for Rayleigh waves from 4 to 20 seconds using a wavelet‐based multi‐scale inversion technique. Patterns of lateral variations of our shorter period ( |
| doi_str_mv | 10.1029/2011GL050727 |
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Key Points
Resolve the long‐lasting controversy about the largest gravity anomaly in Taiwan
Build the first surface wave model of Taiwan with unprecedented dense data set
Provide important implications to the tectonic evolution of Taiwan</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/2011GL050727</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>ambient seismic noises ; Construction ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Geodetics ; Geology ; Gravity ; Gravity anomalies ; gravity anomaly ; Mountains ; multi-scale tomography ; Noise ; Orogeny ; Rayleigh waves ; Research projects ; Seismic engineering ; Seismic phenomena ; Seismology ; Surface waves ; TAIGER ; Tomography ; Wave velocity</subject><ispartof>Geophysical research letters, 2012-03, Vol.39 (5), p.n/a</ispartof><rights>Copyright 2012 by the American Geophysical Union</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a4675-21aa7f017bbb85ced8d38a6cb9acb97137b4062b1b22a59794ede44d10b8ad1f3</citedby><cites>FETCH-LOGICAL-a4675-21aa7f017bbb85ced8d38a6cb9acb97137b4062b1b22a59794ede44d10b8ad1f3</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%2F2011GL050727$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F2011GL050727$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,1433,11514,27924,27925,45574,45575,46409,46468,46833,46892</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25974762$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Huang, Tzu-Ying</creatorcontrib><creatorcontrib>Gung, Yuancheng</creatorcontrib><creatorcontrib>Liang, Wen-Tzong</creatorcontrib><creatorcontrib>Chiao, Ling-Yun</creatorcontrib><creatorcontrib>Teng, Louis S.</creatorcontrib><title>Broad-band Rayleigh wave tomography of Taiwan and its implications on gravity anomalies</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>We construct the first broad‐band surface wave group velocity dispersion maps for the entire island of Taiwan using the ambient seismic noise tomography. Continuous data from three island‐wide broad‐band networks are used. In particular, taking advantage of the temporary arrays deployed by the TAiwan Integrated GEodynamics Research project (TAIGER), we have collected an unprecedented data amount for the noise tomography in Taiwan. We construct 2D group velocity maps for Rayleigh waves from 4 to 20 seconds using a wavelet‐based multi‐scale inversion technique. Patterns of lateral variations of our shorter period (<10 seconds) model demonstrate very good correlation with the surficial geology, whereas the overall structure, albeit with much better resolution in the shallow depth, is generally consistent with previously established body wave models. Besides seismic structure, our model also provides vital constraint on resolving the long‐lasting controversy about most prominent Bouguer gravity anomaly in central Taiwan, implying that it is likely caused by a deeper mountain root. With regard to various scenarios of the tectonic evolution of Taiwan, our results seem to favor the lithospheric collision model that invokes significant crustal thickening during the collisional orogeny.
Key Points
Resolve the long‐lasting controversy about the largest gravity anomaly in Taiwan
Build the first surface wave model of Taiwan with unprecedented dense data set
Provide important implications to the tectonic evolution of Taiwan</description><subject>ambient seismic noises</subject><subject>Construction</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Geodetics</subject><subject>Geology</subject><subject>Gravity</subject><subject>Gravity anomalies</subject><subject>gravity anomaly</subject><subject>Mountains</subject><subject>multi-scale tomography</subject><subject>Noise</subject><subject>Orogeny</subject><subject>Rayleigh waves</subject><subject>Research projects</subject><subject>Seismic engineering</subject><subject>Seismic phenomena</subject><subject>Seismology</subject><subject>Surface waves</subject><subject>TAIGER</subject><subject>Tomography</subject><subject>Wave velocity</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</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>eNp9kEtLxDAYRYMoOD52_oAgCC6sJukjyVJHHYVBQUdchi9tqtG2GZOOY_-9kRERFy5CAjn3cLkI7VFyTAmTJ4xQOpmSnHDG19CIyixLBCF8HY0IkfHNeLGJtkJ4IYSkJKUj9HjmHVSJhq7CdzA0xj494yW8G9y71j15mD8P2NV4BnYJHf7CbB-wbeeNLaG3rgvYdTiC77Yf4r9robEm7KCNGppgdr_vbfRweTEbXyXT28n1-HSaQFbwPGEUgNeEcq21yEtTiSoVUJRaQjycplxnpGCaasYgl1xmpjJZVlGiBVS0TrfR4co79-5tYUKvWhtK0zTQGbcIKu7CRF5QySO6_wd9cQvfxXZKMiFSHneL0NEKKr0LwZtazb1twQ_R9CWT6vfIET_4dkIooak9dKUNPxkWK2e8YJFjK25pGzP861STuykTMs9jKFmFbOjNx08I_KsqeKyrHm8mqkjPz-5zOlaz9BNUY5j7</recordid><startdate>201203</startdate><enddate>201203</enddate><creator>Huang, Tzu-Ying</creator><creator>Gung, Yuancheng</creator><creator>Liang, Wen-Tzong</creator><creator>Chiao, Ling-Yun</creator><creator>Teng, Louis S.</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>7SM</scope></search><sort><creationdate>201203</creationdate><title>Broad-band Rayleigh wave tomography of Taiwan and its implications on gravity anomalies</title><author>Huang, Tzu-Ying ; Gung, Yuancheng ; Liang, Wen-Tzong ; Chiao, Ling-Yun ; Teng, Louis S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a4675-21aa7f017bbb85ced8d38a6cb9acb97137b4062b1b22a59794ede44d10b8ad1f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>ambient seismic noises</topic><topic>Construction</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Geodetics</topic><topic>Geology</topic><topic>Gravity</topic><topic>Gravity anomalies</topic><topic>gravity anomaly</topic><topic>Mountains</topic><topic>multi-scale tomography</topic><topic>Noise</topic><topic>Orogeny</topic><topic>Rayleigh waves</topic><topic>Research projects</topic><topic>Seismic engineering</topic><topic>Seismic phenomena</topic><topic>Seismology</topic><topic>Surface waves</topic><topic>TAIGER</topic><topic>Tomography</topic><topic>Wave velocity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Tzu-Ying</creatorcontrib><creatorcontrib>Gung, Yuancheng</creatorcontrib><creatorcontrib>Liang, Wen-Tzong</creatorcontrib><creatorcontrib>Chiao, Ling-Yun</creatorcontrib><creatorcontrib>Teng, Louis S.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Research Library</collection><collection>Science Database</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Earthquake Engineering Abstracts</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Tzu-Ying</au><au>Gung, Yuancheng</au><au>Liang, Wen-Tzong</au><au>Chiao, Ling-Yun</au><au>Teng, Louis S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Broad-band Rayleigh wave tomography of Taiwan and its implications on gravity anomalies</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2012-03</date><risdate>2012</risdate><volume>39</volume><issue>5</issue><epage>n/a</epage><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>We construct the first broad‐band surface wave group velocity dispersion maps for the entire island of Taiwan using the ambient seismic noise tomography. Continuous data from three island‐wide broad‐band networks are used. In particular, taking advantage of the temporary arrays deployed by the TAiwan Integrated GEodynamics Research project (TAIGER), we have collected an unprecedented data amount for the noise tomography in Taiwan. We construct 2D group velocity maps for Rayleigh waves from 4 to 20 seconds using a wavelet‐based multi‐scale inversion technique. Patterns of lateral variations of our shorter period (<10 seconds) model demonstrate very good correlation with the surficial geology, whereas the overall structure, albeit with much better resolution in the shallow depth, is generally consistent with previously established body wave models. Besides seismic structure, our model also provides vital constraint on resolving the long‐lasting controversy about most prominent Bouguer gravity anomaly in central Taiwan, implying that it is likely caused by a deeper mountain root. With regard to various scenarios of the tectonic evolution of Taiwan, our results seem to favor the lithospheric collision model that invokes significant crustal thickening during the collisional orogeny.
Key Points
Resolve the long‐lasting controversy about the largest gravity anomaly in Taiwan
Build the first surface wave model of Taiwan with unprecedented dense data set
Provide important implications to the tectonic evolution of Taiwan</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2011GL050727</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | ambient seismic noises Construction Earth sciences Earth, ocean, space Exact sciences and technology Geodetics Geology Gravity Gravity anomalies gravity anomaly Mountains multi-scale tomography Noise Orogeny Rayleigh waves Research projects Seismic engineering Seismic phenomena Seismology Surface waves TAIGER Tomography Wave velocity |
| title | Broad-band Rayleigh wave tomography of Taiwan and its implications on gravity anomalies |
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