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RV Investigator Voyage IN2023_V02 SBP120 Sub-bottom Profiler Data

Created 25/06/2025

Updated 25/06/2025

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This record describes sub bottom profiler data collected on RV Investigator voyage IN2023_V02, titled "Gigantic submarine landslide offshore western Tasmania: risk mitigation for shelf derived tsunami in Australia", which departed Hobart on March 24 and returned to Hobart on April 30, 2023. The Kongsberg SBP120 (sub bottom profiler) was used to acquire data containing the specular reflections at different sediment interfaces below the seafloor. The SBP120 provides a 3° by 3° angular resolution. The echosounder's frequency sweep range is from 2.5 to 7 kHz. The SBP120 was logged continuously for the extent of the voyage except when stationary. Data are stored in .raw (1205 files 22.8 GB) raw and .seg (1202 files 22.7 GB) segy formats at CSIRO. The segy format data had a real time processing stream applied, which applies gain, a gain correction, matched filter with replica shaping, an attribute calculation for instantaneous amplitude and time variable gain. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request

Files and APIs

Additional Info

Field Value
Title RV Investigator Voyage IN2023_V02 SBP120 Sub-bottom Profiler Data
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/ebe39ba8-573b-42ea-8c68-06412e9193d6
Contact Point
CSIRO Marlin Data Catalogue
NCMIGeophysicalSurveyMapping@csiro.au
Reference Period 14/08/2023
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        141.84,
        -44.17
      ],
      [
        147.62,
        -44.17
      ],
      [
        147.62,
        -42.49
      ],
      [
        141.84,
        -42.49
      ],
      [
        141.84,
        -44.17
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal CSIRO Marlin

Data Source

This dataset was originally found on CSIRO Marlin "RV Investigator Voyage IN2023_V02 SBP120 Sub-bottom Profiler Data". Please visit the source to access the original metadata of the dataset:
https://marlin.csiro.au/geonetwork/srv/eng/csw/dataset/rv-investigator-voyage-in2023_v02-sbp120-sub-bottom-profiler-data