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Multidimensional Geodynamic Modeling in the Southeast Carpathians: Upper Mantle Flow‐Induced Surface Topography Anomalies
Spectral variations of gravity and topography data show nonisostatic compensation of elevation in the Southeast Carpathians that is consistent with our new residual topography calculations. Multidimensional thermomechanical models are created to consider a possible mantle flow component of the surfa...
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| Published in: | Geochemistry, geophysics, geosystems : G3 geophysics, geosystems : G3, 2019-07, Vol.20 (7), p.3134-3149 |
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| cited_by | cdi_FETCH-LOGICAL-a3300-27bcec9dc3fc3875329e67b888582fd00ac52fcc5884305e4ea0fbbee60587e3 |
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| cites | cdi_FETCH-LOGICAL-a3300-27bcec9dc3fc3875329e67b888582fd00ac52fcc5884305e4ea0fbbee60587e3 |
| container_end_page | 3149 |
| container_issue | 7 |
| container_start_page | 3134 |
| container_title | Geochemistry, geophysics, geosystems : G3 |
| container_volume | 20 |
| creator | Şengül‐Uluocak, E. Pysklywec, R. N. Göğüş, O. H. Ulugergerli, E. U. |
| description | Spectral variations of gravity and topography data show nonisostatic compensation of elevation in the Southeast Carpathians that is consistent with our new residual topography calculations. Multidimensional thermomechanical models are created to consider a possible mantle flow component of the surface topography with varying temperature models and crustal configurations. The temperature anomalies derived from large‐scale P wave velocity anomalies and combined temperature model are estimated as input for the parametric numerical modeling experiments. Model results show that a surface uplift (up to ~1 km) develops in the southeastern Carpathians due to the rising hot upper mantle beneath the region. The upwelling flow is also in concordance with observations such as volcanism and enhanced surface heat flow in the region. Subsidence in the eastern part (0.5–1 km over the Vrancea zone and the Focsani Basin) forms in relation to the downgoing Vrancea slab. The findings indicate the significant role of upper mantle structures on the present‐day anomalous topography related to proposed postcollisional tectonics in the Southeast Carpathians.
Key Points
Present‐day upper mantle flows drive the surface subsidence and uplift in the Southeast Carpathians
Spectral analyses of gravity data show nonisostatic compensation of the elevation that is consistent with residual topography calculations
Thermomechanical numerical models satisfy geophysical and geological observations in the region |
| doi_str_mv | 10.1029/2019GC008277 |
| format | article |
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Key Points
Present‐day upper mantle flows drive the surface subsidence and uplift in the Southeast Carpathians
Spectral analyses of gravity data show nonisostatic compensation of the elevation that is consistent with residual topography calculations
Thermomechanical numerical models satisfy geophysical and geological observations in the region</description><identifier>ISSN: 1525-2027</identifier><identifier>EISSN: 1525-2027</identifier><identifier>DOI: 10.1029/2019GC008277</identifier><language>eng</language><publisher>Washington: John Wiley & Sons, Inc</publisher><subject>Anomalies ; Basins ; Gravity ; gravity admittance ; Heat flow ; isostasy ; Modelling ; Ocean circulation ; Ocean surface topography ; Seismic wave velocities ; Southeast Carpathians ; Tectonics ; Temperature anomalies ; three‐ and two‐dimensional numerical modeling ; Topography ; Topography (geology) ; Uplift ; Upper mantle ; Upwelling ; Volcanism ; Wave velocity</subject><ispartof>Geochemistry, geophysics, geosystems : G3, 2019-07, Vol.20 (7), p.3134-3149</ispartof><rights>2019. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a3300-27bcec9dc3fc3875329e67b888582fd00ac52fcc5884305e4ea0fbbee60587e3</citedby><cites>FETCH-LOGICAL-a3300-27bcec9dc3fc3875329e67b888582fd00ac52fcc5884305e4ea0fbbee60587e3</cites><orcidid>0000-0002-9670-201X ; 0000-0001-5639-1109 ; 0000-0002-6701-463X ; 0000-0002-6199-303X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2F2019GC008277$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F2019GC008277$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,786,790,27957,27958,50923,51032</link.rule.ids></links><search><creatorcontrib>Şengül‐Uluocak, E.</creatorcontrib><creatorcontrib>Pysklywec, R. N.</creatorcontrib><creatorcontrib>Göğüş, O. H.</creatorcontrib><creatorcontrib>Ulugergerli, E. U.</creatorcontrib><title>Multidimensional Geodynamic Modeling in the Southeast Carpathians: Upper Mantle Flow‐Induced Surface Topography Anomalies</title><title>Geochemistry, geophysics, geosystems : G3</title><description>Spectral variations of gravity and topography data show nonisostatic compensation of elevation in the Southeast Carpathians that is consistent with our new residual topography calculations. Multidimensional thermomechanical models are created to consider a possible mantle flow component of the surface topography with varying temperature models and crustal configurations. The temperature anomalies derived from large‐scale P wave velocity anomalies and combined temperature model are estimated as input for the parametric numerical modeling experiments. Model results show that a surface uplift (up to ~1 km) develops in the southeastern Carpathians due to the rising hot upper mantle beneath the region. The upwelling flow is also in concordance with observations such as volcanism and enhanced surface heat flow in the region. Subsidence in the eastern part (0.5–1 km over the Vrancea zone and the Focsani Basin) forms in relation to the downgoing Vrancea slab. The findings indicate the significant role of upper mantle structures on the present‐day anomalous topography related to proposed postcollisional tectonics in the Southeast Carpathians.
Key Points
Present‐day upper mantle flows drive the surface subsidence and uplift in the Southeast Carpathians
Spectral analyses of gravity data show nonisostatic compensation of the elevation that is consistent with residual topography calculations
Thermomechanical numerical models satisfy geophysical and geological observations in the region</description><subject>Anomalies</subject><subject>Basins</subject><subject>Gravity</subject><subject>gravity admittance</subject><subject>Heat flow</subject><subject>isostasy</subject><subject>Modelling</subject><subject>Ocean circulation</subject><subject>Ocean surface topography</subject><subject>Seismic wave velocities</subject><subject>Southeast Carpathians</subject><subject>Tectonics</subject><subject>Temperature anomalies</subject><subject>three‐ and two‐dimensional numerical modeling</subject><subject>Topography</subject><subject>Topography (geology)</subject><subject>Uplift</subject><subject>Upper mantle</subject><subject>Upwelling</subject><subject>Volcanism</subject><subject>Wave velocity</subject><issn>1525-2027</issn><issn>1525-2027</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp90LFOwzAUBdAIgUQpbHyAJVYKL3ZcO2xV1YZKVAwtc-Q4L62r1A52oqpi4RP4Rr6EojJ0YrpvOLrSu1F0G8NDDDR9pBCn2RhAUiHOol7MKR9QoOL85L6MrkLYAMQJ57IXfcy7ujWl2aINxllVkwxdubdqazSZuxJrY1fEWNKukSxcdwgVWjJWvlHt2igbnshb06Anc2XbGsm0drvvz6-ZLTuNJVl0vlIaydI1buVVs96TkXVbVRsM19FFpeqAN3_Zj5bTyXL8PHh5zWbj0ctAMQYwoKLQqNNSs0ozKTijKQ5FIaXkklYlgNKcVlpzKRMGHBNUUBUF4hC4FMj60d2xtvHuvcPQ5hvX-cOrIadUAOepFOlB3R-V9i4Ej1XeeLNVfp_HkP-um5-ue-DsyHemxv2_Ns-ybELjNAH2A-0pfhU</recordid><startdate>201907</startdate><enddate>201907</enddate><creator>Şengül‐Uluocak, E.</creator><creator>Pysklywec, R. N.</creator><creator>Göğüş, O. H.</creator><creator>Ulugergerli, E. U.</creator><general>John Wiley & Sons, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><orcidid>https://orcid.org/0000-0002-9670-201X</orcidid><orcidid>https://orcid.org/0000-0001-5639-1109</orcidid><orcidid>https://orcid.org/0000-0002-6701-463X</orcidid><orcidid>https://orcid.org/0000-0002-6199-303X</orcidid></search><sort><creationdate>201907</creationdate><title>Multidimensional Geodynamic Modeling in the Southeast Carpathians: Upper Mantle Flow‐Induced Surface Topography Anomalies</title><author>Şengül‐Uluocak, E. ; Pysklywec, R. N. ; Göğüş, O. H. ; Ulugergerli, E. U.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a3300-27bcec9dc3fc3875329e67b888582fd00ac52fcc5884305e4ea0fbbee60587e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Anomalies</topic><topic>Basins</topic><topic>Gravity</topic><topic>gravity admittance</topic><topic>Heat flow</topic><topic>isostasy</topic><topic>Modelling</topic><topic>Ocean circulation</topic><topic>Ocean surface topography</topic><topic>Seismic wave velocities</topic><topic>Southeast Carpathians</topic><topic>Tectonics</topic><topic>Temperature anomalies</topic><topic>three‐ and two‐dimensional numerical modeling</topic><topic>Topography</topic><topic>Topography (geology)</topic><topic>Uplift</topic><topic>Upper mantle</topic><topic>Upwelling</topic><topic>Volcanism</topic><topic>Wave velocity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Şengül‐Uluocak, E.</creatorcontrib><creatorcontrib>Pysklywec, R. N.</creatorcontrib><creatorcontrib>Göğüş, O. H.</creatorcontrib><creatorcontrib>Ulugergerli, E. U.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Geochemistry, geophysics, geosystems : G3</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Şengül‐Uluocak, E.</au><au>Pysklywec, R. N.</au><au>Göğüş, O. H.</au><au>Ulugergerli, E. U.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multidimensional Geodynamic Modeling in the Southeast Carpathians: Upper Mantle Flow‐Induced Surface Topography Anomalies</atitle><jtitle>Geochemistry, geophysics, geosystems : G3</jtitle><date>2019-07</date><risdate>2019</risdate><volume>20</volume><issue>7</issue><spage>3134</spage><epage>3149</epage><pages>3134-3149</pages><issn>1525-2027</issn><eissn>1525-2027</eissn><abstract>Spectral variations of gravity and topography data show nonisostatic compensation of elevation in the Southeast Carpathians that is consistent with our new residual topography calculations. Multidimensional thermomechanical models are created to consider a possible mantle flow component of the surface topography with varying temperature models and crustal configurations. The temperature anomalies derived from large‐scale P wave velocity anomalies and combined temperature model are estimated as input for the parametric numerical modeling experiments. Model results show that a surface uplift (up to ~1 km) develops in the southeastern Carpathians due to the rising hot upper mantle beneath the region. The upwelling flow is also in concordance with observations such as volcanism and enhanced surface heat flow in the region. Subsidence in the eastern part (0.5–1 km over the Vrancea zone and the Focsani Basin) forms in relation to the downgoing Vrancea slab. The findings indicate the significant role of upper mantle structures on the present‐day anomalous topography related to proposed postcollisional tectonics in the Southeast Carpathians.
Key Points
Present‐day upper mantle flows drive the surface subsidence and uplift in the Southeast Carpathians
Spectral analyses of gravity data show nonisostatic compensation of the elevation that is consistent with residual topography calculations
Thermomechanical numerical models satisfy geophysical and geological observations in the region</abstract><cop>Washington</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1029/2019GC008277</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0002-9670-201X</orcidid><orcidid>https://orcid.org/0000-0001-5639-1109</orcidid><orcidid>https://orcid.org/0000-0002-6701-463X</orcidid><orcidid>https://orcid.org/0000-0002-6199-303X</orcidid></addata></record> |
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| ispartof | Geochemistry, geophysics, geosystems : G3, 2019-07, Vol.20 (7), p.3134-3149 |
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| language | eng |
| recordid | cdi_proquest_journals_2270559879 |
| source | Wiley-Blackwell Journals; Alma/SFX Local Collection |
| subjects | Anomalies Basins Gravity gravity admittance Heat flow isostasy Modelling Ocean circulation Ocean surface topography Seismic wave velocities Southeast Carpathians Tectonics Temperature anomalies three‐ and two‐dimensional numerical modeling Topography Topography (geology) Uplift Upper mantle Upwelling Volcanism Wave velocity |
| title | Multidimensional Geodynamic Modeling in the Southeast Carpathians: Upper Mantle Flow‐Induced Surface Topography Anomalies |
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