4fc727ce-47d7-45f9-8664-28ad00ecbf14 Daniela Accettella OGS daccettella@ogs.it OGS 2024-09-30T15:05:34 ISO 19139 1.0 WGS84 ISOBatA XXXVII - MBES Raw 2024-09-01T00:12:00 The multibeam echosounder (MBES) raw data presented here were collected in the Southern Ocean (SO) within the ISOBatA PNRA project as part of the XXXVII Italian Antarctic Expedition aboard the icebreaker Laura Bassi. The data were collected with the EM304 system mounted on board, corrected for sound velocity, processed with Qimera and formatted as ASCII-XYZ grid. This dataset is part of the collection "ISOBaTA MBES GRID for IBCSO", which can be downloaded from SNAP and is searchable at https://antarcticdatacenter.inogs.it/. The ISOBatA project (Italian Southern Ocean Bathymetry from consistent exploitation of opportunistic seafloor datasets in the Antarctic region and surrounding areas) introduced an innovative approach to optimize the collection of acoustic (mainly bathymetric) and magnetometric data. The main objective was to improve bathymetric knowledge of the Southern Ocean, focusing on unexplored areas such as the Ross Sea and the region between the Macquarie Triple Junction (MQ TJ) and the Emerald Fracture Zone (EMZ). During the XXXVII expedition (2021-2022), dedicated ship time allowed for efficient data collection by reducing speed during transfers and adjusting routes along pre-determined corridors. Data acquisition was planned based on existing metadata: 1) IBCSO coverage and Italian MBES coverage, 2) Seismic Data Library (SDL) navigation, 3) Ross Sea Italian mooring sites, 4) italian coring sites and 5) ODP sites. The surveyed areas included transit routes through the Southern Ocean along MQ TJ and EMZ as well as previously unmapped areas in the Ross Sea, such as the Italian MORSEA moorings. Acknowledgments: Special thanks go to the PNRA for funding and support and to the Laura Bassi research teams for their scientific interaction and collaboration. Keywords: Southern Ocean, Bathymetry, ISOBatA, Laura Bassi, Antarctica, IBCSO. SUMMARY OF THE INTENTIONS WITH WHICH THE RESOURCE(S) WAS DEVELOPED. Daniela Accettella OGS Italy daccettella@ogs.it Daniela Accettella OGS Italy daccettella@ogs.it https://geonetwork.inogs.it/srv/api/records/4fc727ce-47d7-45f9-8664-28ad00ecbf14/attachments/XXXVII_PNRA_Antarctic_Survey.png https://geonetwork.inogs.it/srv/api/records/4fc727ce-47d7-45f9-8664-28ad00ecbf14/attachments/IOSBatA-MapGridxIBCSO.png Ross Sea Hillary Canyon Emerald Fracture Zone Drygalski Basin Whale Bay SCAR Gazetteer of Antarctica 2021-01-01 geonetwork.thesaurus.external.theme.scar_gazetteer_multi Elevation GEMET - INSPIRE themes, version 1.0 2008-01-01 geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme Bathymetry, IBCSO, Seabed2030 ISOBatA PNRA19_00121 PNRA project 2024-03-25 geonetwork.thesaurus.external.theme.PNRAproject OGS - Istituto Nazionale di Oceanografia e di Geofisica sperimentale Research Organization 2024-03-25 geonetwork.thesaurus.external.theme.Research_Organization MARINE ADVISORIES SEAFLOOR TOPOGRAPHY BATHYMETRY GCMD - Science Keywords 2015-01-01 geonetwork.thesaurus.external.theme.assets_thesaurus_gcmd-sciencekeywords IT/PNRA GCMD - Providers 2021-03-23 geonetwork.thesaurus.external.theme.assets_thesaurus_gcmd-providers PNRA19_00121 140.00 220.00 -79.00 -55.00 2021-05-12 2022-03-25 .kmall 1 https://www.pnra.aq/index.php/it/project/453/italian-southern-ocean-bathymetry-consistent-exploitation-opportunistic-seafloor WWW:LINK-1.0-http--link ISOBATA https://isobata.ogs.it/pages/XXXVII_(2021-2022).html null https://snap.ogs.it/cache/index.jsp?doi=10.13120/0nzj-gq74 WWW:LINK-1.0-http--link ISOBATA GRID FOR IBCSO DOI COMMISSION REGULATION (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 This data set is conformant with the INSPIRE Implementing Rules for the interoperability of spatial data sets and services true ISOBatA data were collected in the Southern Ocean (SO) as part of the ISOBatA PNRA project during 3 Antarctic expeditions with the Italian icebreaker Laura Bassi with the hull mounted EM304.