Seafloor and Ocean Crust Structure of the Kerguelen Plateau from Marine Geophysical and Satellite Altimetry Datasets
The volcanic Kerguelen Islands are formed on one of the world’s largest submarine plateaus. Located in the remote segment of the southern Indian Ocean close to Antarctica, the Kerguelen Plateau is notable for a complex tectonic origin and geologic formation related to the Cretaceous history of the c...
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ftunivbruxelles:oai:dipot.ulb.ac.be:2013/361736 2023-09-05T13:12:39+02:00 Seafloor and Ocean Crust Structure of the Kerguelen Plateau from Marine Geophysical and Satellite Altimetry Datasets Lemenkova, Polina 2023-08-10 1 full-text file(s): application/pdf http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/361736 https://dipot.ulb.ac.be/dspace/bitstream/2013/361736/3/geomatics-03-00022-v2.pdf en eng uri/info:doi/10.3390/geomatics3030022 https://dipot.ulb.ac.be/dspace/bitstream/2013/361736/3/geomatics-03-00022-v2.pdf http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/361736 1 full-text file(s): info:eu-repo/semantics/openAccess Geomatics, 3 (2 Sciences de l'ingénieur Disciplines auxiliaires de l'ingénieur Disciplines graphiques Géodésie appliquée topographie [géodésie] Géodésie appliquée topographie [télédétection] Photogrammétrie - cartographie Sciences exactes et naturelles Sciences de la terre et du cosmos Géodésie Géodynamique et tectonique Géographie physique Géomagnétisme Gravimétrie Géomorphologie et orographie Physique du globe Systèmes d'information géographique Cartographie Océanographie physique et chimique Data Collection and Data Estimation Methodology Computer Programs: General C80 Computer Programs: Other Computer Software C88 Computer Programs: Other C89 Mathematical and Quantitative Methods: General C00 Optimization Techniques Programming Models Dynamic Analysis C61 Mathematical Methods and Programming: General C60 Mathematical Methods and Programming: Other C69 Antarctic Southern Ocean bathymetry French Southern and Antarctic Lands cartography satellite altimetry marine geophysics sediments magnetic anomalies seafloor info:eu-repo/semantics/article info:ulb-repo/semantics/articlePeerReview info:ulb-repo/semantics/openurl/article 2023 ftunivbruxelles 2023-08-16T22:23:02Z The volcanic Kerguelen Islands are formed on one of the world’s largest submarine plateaus. Located in the remote segment of the southern Indian Ocean close to Antarctica, the Kerguelen Plateau is notable for a complex tectonic origin and geologic formation related to the Cretaceous history of the continents. This is reflected in the varying age of the oceanic crust adjacent to the plateau and the highly heterogeneous bathymetry of the Kerguelen Plateau, with seafloor structure differing for the southern and northern segments. Remote sensing data derived from marine gravity and satellite radar altimetry surveys serve as an important source of information for mapping complex seafloor features. This study incorporates geospatial information from NOAA, EMAG2, WDMAM, ETOPO1, and EGM96 datasets to refine the extent and distribution of the extracted seafloor features. The cartographic joint analysis of topography, magnetic anomalies, tectonic and gravity grids is based on the integrated mapping performed using the Generic Mapping Tools (GMT) programming suite. Mapping of the submerged features (Broken Ridge, Crozet Islands, seafloor fabric, orientation, and frequency of magnetic anomalies) enables analysis of their correspondence with free-air gravity and magnetic anomalies, geodynamic setting, and seabed structure in the southwest Indian Ocean. The results show that integrating the datasets using advanced cartographic scripting language improves identification and visualization of the seabed objects. The results include 11 new maps of the region covering the Kerguelen Plateau and southwest Indian Ocean. This study contributes to increasing the knowledge of the seafloor structure in the French Southern and Antarctic Lands. info:eu-repo/semantics/published Article in Journal/Newspaper Antarc* Antarctic Antarctica Crozet Islands Kerguelen Islands Southern Ocean DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB) Antarctic Southern Ocean Kerguelen Kerguelen Islands Indian Broken Ridge ENVELOPE(-92.318,-92.318,79.552,79.552) Géodésie ENVELOPE(139.846,139.846,-66.675,-66.675) |
institution |
Open Polar |
collection |
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB) |
op_collection_id |
ftunivbruxelles |
language |
English |
topic |
Sciences de l'ingénieur Disciplines auxiliaires de l'ingénieur Disciplines graphiques Géodésie appliquée topographie [géodésie] Géodésie appliquée topographie [télédétection] Photogrammétrie - cartographie Sciences exactes et naturelles Sciences de la terre et du cosmos Géodésie Géodynamique et tectonique Géographie physique Géomagnétisme Gravimétrie Géomorphologie et orographie Physique du globe Systèmes d'information géographique Cartographie Océanographie physique et chimique Data Collection and Data Estimation Methodology Computer Programs: General C80 Computer Programs: Other Computer Software C88 Computer Programs: Other C89 Mathematical and Quantitative Methods: General C00 Optimization Techniques Programming Models Dynamic Analysis C61 Mathematical Methods and Programming: General C60 Mathematical Methods and Programming: Other C69 Antarctic Southern Ocean bathymetry French Southern and Antarctic Lands cartography satellite altimetry marine geophysics sediments magnetic anomalies seafloor |
spellingShingle |
Sciences de l'ingénieur Disciplines auxiliaires de l'ingénieur Disciplines graphiques Géodésie appliquée topographie [géodésie] Géodésie appliquée topographie [télédétection] Photogrammétrie - cartographie Sciences exactes et naturelles Sciences de la terre et du cosmos Géodésie Géodynamique et tectonique Géographie physique Géomagnétisme Gravimétrie Géomorphologie et orographie Physique du globe Systèmes d'information géographique Cartographie Océanographie physique et chimique Data Collection and Data Estimation Methodology Computer Programs: General C80 Computer Programs: Other Computer Software C88 Computer Programs: Other C89 Mathematical and Quantitative Methods: General C00 Optimization Techniques Programming Models Dynamic Analysis C61 Mathematical Methods and Programming: General C60 Mathematical Methods and Programming: Other C69 Antarctic Southern Ocean bathymetry French Southern and Antarctic Lands cartography satellite altimetry marine geophysics sediments magnetic anomalies seafloor Lemenkova, Polina Seafloor and Ocean Crust Structure of the Kerguelen Plateau from Marine Geophysical and Satellite Altimetry Datasets |
topic_facet |
Sciences de l'ingénieur Disciplines auxiliaires de l'ingénieur Disciplines graphiques Géodésie appliquée topographie [géodésie] Géodésie appliquée topographie [télédétection] Photogrammétrie - cartographie Sciences exactes et naturelles Sciences de la terre et du cosmos Géodésie Géodynamique et tectonique Géographie physique Géomagnétisme Gravimétrie Géomorphologie et orographie Physique du globe Systèmes d'information géographique Cartographie Océanographie physique et chimique Data Collection and Data Estimation Methodology Computer Programs: General C80 Computer Programs: Other Computer Software C88 Computer Programs: Other C89 Mathematical and Quantitative Methods: General C00 Optimization Techniques Programming Models Dynamic Analysis C61 Mathematical Methods and Programming: General C60 Mathematical Methods and Programming: Other C69 Antarctic Southern Ocean bathymetry French Southern and Antarctic Lands cartography satellite altimetry marine geophysics sediments magnetic anomalies seafloor |
description |
The volcanic Kerguelen Islands are formed on one of the world’s largest submarine plateaus. Located in the remote segment of the southern Indian Ocean close to Antarctica, the Kerguelen Plateau is notable for a complex tectonic origin and geologic formation related to the Cretaceous history of the continents. This is reflected in the varying age of the oceanic crust adjacent to the plateau and the highly heterogeneous bathymetry of the Kerguelen Plateau, with seafloor structure differing for the southern and northern segments. Remote sensing data derived from marine gravity and satellite radar altimetry surveys serve as an important source of information for mapping complex seafloor features. This study incorporates geospatial information from NOAA, EMAG2, WDMAM, ETOPO1, and EGM96 datasets to refine the extent and distribution of the extracted seafloor features. The cartographic joint analysis of topography, magnetic anomalies, tectonic and gravity grids is based on the integrated mapping performed using the Generic Mapping Tools (GMT) programming suite. Mapping of the submerged features (Broken Ridge, Crozet Islands, seafloor fabric, orientation, and frequency of magnetic anomalies) enables analysis of their correspondence with free-air gravity and magnetic anomalies, geodynamic setting, and seabed structure in the southwest Indian Ocean. The results show that integrating the datasets using advanced cartographic scripting language improves identification and visualization of the seabed objects. The results include 11 new maps of the region covering the Kerguelen Plateau and southwest Indian Ocean. This study contributes to increasing the knowledge of the seafloor structure in the French Southern and Antarctic Lands. info:eu-repo/semantics/published |
format |
Article in Journal/Newspaper |
author |
Lemenkova, Polina |
author_facet |
Lemenkova, Polina |
author_sort |
Lemenkova, Polina |
title |
Seafloor and Ocean Crust Structure of the Kerguelen Plateau from Marine Geophysical and Satellite Altimetry Datasets |
title_short |
Seafloor and Ocean Crust Structure of the Kerguelen Plateau from Marine Geophysical and Satellite Altimetry Datasets |
title_full |
Seafloor and Ocean Crust Structure of the Kerguelen Plateau from Marine Geophysical and Satellite Altimetry Datasets |
title_fullStr |
Seafloor and Ocean Crust Structure of the Kerguelen Plateau from Marine Geophysical and Satellite Altimetry Datasets |
title_full_unstemmed |
Seafloor and Ocean Crust Structure of the Kerguelen Plateau from Marine Geophysical and Satellite Altimetry Datasets |
title_sort |
seafloor and ocean crust structure of the kerguelen plateau from marine geophysical and satellite altimetry datasets |
publishDate |
2023 |
url |
http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/361736 https://dipot.ulb.ac.be/dspace/bitstream/2013/361736/3/geomatics-03-00022-v2.pdf |
long_lat |
ENVELOPE(-92.318,-92.318,79.552,79.552) ENVELOPE(139.846,139.846,-66.675,-66.675) |
geographic |
Antarctic Southern Ocean Kerguelen Kerguelen Islands Indian Broken Ridge Géodésie |
geographic_facet |
Antarctic Southern Ocean Kerguelen Kerguelen Islands Indian Broken Ridge Géodésie |
genre |
Antarc* Antarctic Antarctica Crozet Islands Kerguelen Islands Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica Crozet Islands Kerguelen Islands Southern Ocean |
op_source |
Geomatics, 3 (2 |
op_relation |
uri/info:doi/10.3390/geomatics3030022 https://dipot.ulb.ac.be/dspace/bitstream/2013/361736/3/geomatics-03-00022-v2.pdf http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/361736 |
op_rights |
1 full-text file(s): info:eu-repo/semantics/openAccess |
_version_ |
1776201184352141312 |