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RV Investigator Voyage IN2025_E01 Gravity Data

Created 01/08/2025

Updated 01/08/2025

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This record describes gravity data collected on RV Investigator voyage IN2025_E01, Trials and calibrations, which departed Hobart on the 19th February 2025 and returned to Hobart on the 1st March, 2025. The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. There are 24 files totalling 154 MB of raw data in this dataset. A wharf tie was undertaken at Hobart location on 2025/3/7 (prior to IN2025_V01) using a Scintrex Autograv CG-5. Wharf tie data can be found in GravityTie_in2025v01_Hobart_250307.TXT, which is stored with the IN2025_V01 raw data. During this voyage, calibration lines were run for the Air-Sea II to re-establish calibration values after the system was repaired and reinstalled on the vessel (re-installed 30 Sep 2024). Data from the calibration lines were sent to Micro-G Lacoste for processing. New calibration values were applied within the ASII_HW.ini at the end of the voyage on 1st March 2025. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

Files and APIs

Additional Info

Field Value
Title RV Investigator Voyage IN2025_E01 Gravity Data
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/b7d03332-fe98-4ffa-8625-a434356c707b
Contact Point
CSIRO Marlin Data Catalogue
NCMIGeophysicalSurveyMapping@csiro.au
Reference Period 30/04/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        147.3,
        -44.19
      ],
      [
        148.64,
        -44.19
      ],
      [
        148.64,
        -42.88
      ],
      [
        147.3,
        -42.88
      ],
      [
        147.3,
        -44.19
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal CSIRO Marlin

Data Source

This dataset was originally found on CSIRO Marlin "RV Investigator Voyage IN2025_E01 Gravity 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-in2025_e01-gravity-data