Computed tomography analysis of multicorer SO268/2_200-1, core 18

DOI

Selected multicorer cores of R/V Sonne cruise SO268-2 were scanned by a Toshiba Aquilion 64 computer tomograph (CT) at the hospital Klinikum Bremen-Mitte with an x-ray source voltage of 120 kV and a current of 600 mA. The CT image stacks have a resolution of 0.35 mm in x/y-direction and 0.5 mm resolution in z-direction (0.3 mm reconstruction unit). Images were reconstructed using Toshiba's patented helical cone beam reconstruction technique (TCOT) and are provided in DICOM-format. The data were processed with the ZIB edition of the Amira software (version 2021.03; Stalling et al., 2005; http://amira.zib.de). Within Amira, the core liners, including about 2 mm of the core rims, were deleted from the data set. Mangan nodules with diameters >~1 mm, open bioturbation traces, an unidentified organism (only present in core SO268-2-200-1 MC18), the natural bioturbated and surficial homogenised sediment were segmented by a marker-based watershed segmentation and visualized in 3D. Subsequently, the sediment components were quantified (MaterialStatistics module; volume per slice) and the mean and standard deviation of the sediment x-ray attenuation (MaterialStatistics module; statistics per slice per label; to avoid marginal averaging effects the sediment label was reduced by three voxels) were determined.

Identifier
DOI https://doi.pangaea.de/10.1594/PANGAEA.948097
Related Identifier https://doi.org/10.1016/B978-012387582-2/50040-X
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.948097
Provenance
Creator Titschack, Jürgen ORCID logo; Stavrakoudis, Sophia; Molari, Massimiliano ORCID logo; Yapan, Batuhan Çağrı; Otte, Julia Marén; Janssen, Felix ORCID logo; Timann, Christian; Lemke, Arne-Jörn
Publisher PANGAEA
Publication Year 2024
Funding Reference Federal Ministry of Education and Research https://doi.org/10.13039/501100002347 Crossref Funder ID 03F0812A https://foerderportal.bund.de/foekat/jsp/SucheAction.do?actionMode=view&fkz=03F0812A JPI-O MiningImpact: Monitoringkonzepte für einen Manganknollenabbau in der Tiefsee
Rights Creative Commons Attribution 4.0 International; Data access is restricted (moratorium, sensitive data, license constraints); https://creativecommons.org/licenses/by/4.0/
OpenAccess false
Representation
Resource Type Dataset
Format text/tab-separated-values
Size 11312 data points
Discipline Earth System Research
Spatial Coverage (-117.013 LON, 11.863 LAT); Clarion-Clipperton Fraction Zone, North East Pacific Ocean