Dynamics of unstable continental subduction： Insights from numerical modeling
Numerical experiments are used in this study to systematically investigate the effects of convergence rate, crustal rheological strength, and lithospheric thermal structure on the dynamics of continental collision. The study focuses on the types, conditions and processes of unstable continental subd...
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| Veröffentlicht in: | Science China. Earth sciences 2017-02, Vol.60 (2), p.218-234 |
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| creator | Huangfu, PengPeng Wang, YueJun Fan, WeiMing Li, ZhongHai Zhou, YongZhi |
| description | Numerical experiments are used in this study to systematically investigate the effects of convergence rate, crustal rheological strength, and lithospheric thermal structure on the dynamics of continental collision. The study focuses on the types, conditions and processes of unstable continental subduction. Modelling results suggest that the development of unstable continental subduction can be promoted by conditions that tend to decrease rheological strength of the lithosphere, such as low crustal rheological strength, ＂hot＂ thermal structure of the lithosphere, or low convergence rate. Unstable subduction mode can be further categorized into three types： （1） multi-stage slab breakoff, （2） continuously ＂flowing＂ of fluid-like slab into the upper mantle, and （3） large-scale detachment of the thickened orogenic root. These three types of unstable continental subduction are respectively associated with （1） a low convergence rate, （2） ＂hot＂ thermal structure of the lithosphere with a high convergence rate, and （3） moderate-high crustal rheological strength with a low convergence rate. It is also revealed that the evolution of crustal melting is dominated by the deformation pattern of continental collision, which is mainly controlled by crustal rheological strength. The modelling results have important implications for understanding of continental subduction mode selection under specific geodynamic conditions. |
| doi_str_mv | 10.1007/s11430-016-5014-6 |
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The study focuses on the types, conditions and processes of unstable continental subduction. Modelling results suggest that the development of unstable continental subduction can be promoted by conditions that tend to decrease rheological strength of the lithosphere, such as low crustal rheological strength, ＂hot＂ thermal structure of the lithosphere, or low convergence rate. Unstable subduction mode can be further categorized into three types： （1） multi-stage slab breakoff, （2） continuously ＂flowing＂ of fluid-like slab into the upper mantle, and （3） large-scale detachment of the thickened orogenic root. These three types of unstable continental subduction are respectively associated with （1） a low convergence rate, （2） ＂hot＂ thermal structure of the lithosphere with a high convergence rate, and （3） moderate-high crustal rheological strength with a low convergence rate. It is also revealed that the evolution of crustal melting is dominated by the deformation pattern of continental collision, which is mainly controlled by crustal rheological strength. The modelling results have important implications for understanding of continental subduction mode selection under specific geodynamic conditions.</description><identifier>ISSN: 1674-7313</identifier><identifier>EISSN: 1869-1897</identifier><identifier>DOI: 10.1007/s11430-016-5014-6</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Convergence ; Earth and Environmental Science ; Earth Sciences ; Lithosphere ; Marine ; Mathematical models ; Numerical analysis ; Research Paper ; Rheology ; Upper mantle ; 不稳定 ; 地壳流变 ; 大陆俯冲 ; 岩石圈热结构 ; 收敛速度 ; 数值模拟 ; 流变强度 ; 碰撞动力学</subject><ispartof>Science China. Earth sciences, 2017-02, Vol.60 (2), p.218-234</ispartof><rights>Science China Press and Springer-Verlag Berlin Heidelberg 2016</rights><rights>Science China Earth Sciences is a copyright of Springer, 2016.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-7d300d44051b617e9ae25ac92ad035eea3d3fdb2ed83cb2ebc7d9e4ac9ee17793</citedby><cites>FETCH-LOGICAL-c376t-7d300d44051b617e9ae25ac92ad035eea3d3fdb2ed83cb2ebc7d9e4ac9ee17793</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/60111X/60111X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11430-016-5014-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11430-016-5014-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Huangfu, PengPeng</creatorcontrib><creatorcontrib>Wang, YueJun</creatorcontrib><creatorcontrib>Fan, WeiMing</creatorcontrib><creatorcontrib>Li, ZhongHai</creatorcontrib><creatorcontrib>Zhou, YongZhi</creatorcontrib><title>Dynamics of unstable continental subduction： Insights from numerical modeling</title><title>Science China. Earth sciences</title><addtitle>Sci. China Earth Sci</addtitle><addtitle>SCIENCE CHINA Earth Sciences</addtitle><description>Numerical experiments are used in this study to systematically investigate the effects of convergence rate, crustal rheological strength, and lithospheric thermal structure on the dynamics of continental collision. The study focuses on the types, conditions and processes of unstable continental subduction. Modelling results suggest that the development of unstable continental subduction can be promoted by conditions that tend to decrease rheological strength of the lithosphere, such as low crustal rheological strength, ＂hot＂ thermal structure of the lithosphere, or low convergence rate. Unstable subduction mode can be further categorized into three types： （1） multi-stage slab breakoff, （2） continuously ＂flowing＂ of fluid-like slab into the upper mantle, and （3） large-scale detachment of the thickened orogenic root. These three types of unstable continental subduction are respectively associated with （1） a low convergence rate, （2） ＂hot＂ thermal structure of the lithosphere with a high convergence rate, and （3） moderate-high crustal rheological strength with a low convergence rate. It is also revealed that the evolution of crustal melting is dominated by the deformation pattern of continental collision, which is mainly controlled by crustal rheological strength. The modelling results have important implications for understanding of continental subduction mode selection under specific geodynamic conditions.</description><subject>Convergence</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Lithosphere</subject><subject>Marine</subject><subject>Mathematical models</subject><subject>Numerical analysis</subject><subject>Research Paper</subject><subject>Rheology</subject><subject>Upper mantle</subject><subject>不稳定</subject><subject>地壳流变</subject><subject>大陆俯冲</subject><subject>岩石圈热结构</subject><subject>收敛速度</subject><subject>数值模拟</subject><subject>流变强度</subject><subject>碰撞动力学</subject><issn>1674-7313</issn><issn>1869-1897</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kE1OwzAQhSMEElXpAdhFsGETsOPETpao_FWq1A2sLceepK4Su7WTRa_CWbgTV8BREEIssBdjab73xvOi6BKjW4wQu_MYZwQlCNMkRzhL6Ek0wwUtE1yU7DS8KcsSRjA5jxbe71A4JHRSNos2D0cjOi19bOt4ML4XVQuxtKbXBkwv2tgPlRpkr635_HiPV8brZtv7uHa2i83QgdMyUJ1V0GrTXERntWg9LL7rPHp7enxdviTrzfNqeb9OJGG0T5giCKksQzmuKGZQCkhzIctUKERyAEEUqVWVgiqIDKWSTJWQBQIAM1aSeXQz-e6dPQzge95pL6FthQE7eB7WLwhGJSsCev0H3dnBmfC7kcrTcIvREE-UdNZ7BzXfO90Jd-QY8TFlPqXMQ8p8TJnToEknjQ-sacD9cv5HdPU9aGtNcwi6n0mUYZIXCKXkC_SkjLM</recordid><startdate>20170201</startdate><enddate>20170201</enddate><creator>Huangfu, PengPeng</creator><creator>Wang, YueJun</creator><creator>Fan, WeiMing</creator><creator>Li, ZhongHai</creator><creator>Zhou, YongZhi</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20170201</creationdate><title>Dynamics of unstable continental subduction： Insights from numerical modeling</title><author>Huangfu, PengPeng ; Wang, YueJun ; Fan, WeiMing ; Li, ZhongHai ; Zhou, YongZhi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-7d300d44051b617e9ae25ac92ad035eea3d3fdb2ed83cb2ebc7d9e4ac9ee17793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Convergence</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Lithosphere</topic><topic>Marine</topic><topic>Mathematical models</topic><topic>Numerical analysis</topic><topic>Research Paper</topic><topic>Rheology</topic><topic>Upper mantle</topic><topic>不稳定</topic><topic>地壳流变</topic><topic>大陆俯冲</topic><topic>岩石圈热结构</topic><topic>收敛速度</topic><topic>数值模拟</topic><topic>流变强度</topic><topic>碰撞动力学</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huangfu, PengPeng</creatorcontrib><creatorcontrib>Wang, YueJun</creatorcontrib><creatorcontrib>Fan, WeiMing</creatorcontrib><creatorcontrib>Li, ZhongHai</creatorcontrib><creatorcontrib>Zhou, YongZhi</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</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>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>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>ProQuest Central Basic</collection><jtitle>Science China. Earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huangfu, PengPeng</au><au>Wang, YueJun</au><au>Fan, WeiMing</au><au>Li, ZhongHai</au><au>Zhou, YongZhi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dynamics of unstable continental subduction： Insights from numerical modeling</atitle><jtitle>Science China. Earth sciences</jtitle><stitle>Sci. China Earth Sci</stitle><addtitle>SCIENCE CHINA Earth Sciences</addtitle><date>2017-02-01</date><risdate>2017</risdate><volume>60</volume><issue>2</issue><spage>218</spage><epage>234</epage><pages>218-234</pages><issn>1674-7313</issn><eissn>1869-1897</eissn><abstract>Numerical experiments are used in this study to systematically investigate the effects of convergence rate, crustal rheological strength, and lithospheric thermal structure on the dynamics of continental collision. The study focuses on the types, conditions and processes of unstable continental subduction. Modelling results suggest that the development of unstable continental subduction can be promoted by conditions that tend to decrease rheological strength of the lithosphere, such as low crustal rheological strength, ＂hot＂ thermal structure of the lithosphere, or low convergence rate. Unstable subduction mode can be further categorized into three types： （1） multi-stage slab breakoff, （2） continuously ＂flowing＂ of fluid-like slab into the upper mantle, and （3） large-scale detachment of the thickened orogenic root. These three types of unstable continental subduction are respectively associated with （1） a low convergence rate, （2） ＂hot＂ thermal structure of the lithosphere with a high convergence rate, and （3） moderate-high crustal rheological strength with a low convergence rate. It is also revealed that the evolution of crustal melting is dominated by the deformation pattern of continental collision, which is mainly controlled by crustal rheological strength. The modelling results have important implications for understanding of continental subduction mode selection under specific geodynamic conditions.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11430-016-5014-6</doi><tpages>17</tpages></addata></record> |
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| subjects | Convergence Earth and Environmental Science Earth Sciences Lithosphere Marine Mathematical models Numerical analysis Research Paper Rheology Upper mantle 不稳定 地壳流变 大陆俯冲 岩石圈热结构 收敛速度 数值模拟 流变强度 碰撞动力学 |
| title | Dynamics of unstable continental subduction： Insights from numerical modeling |
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