Data

RV Investigator Voyage IN2025_V05 Gravity Data

Australian Ocean Data Network
CSIRO (Associated with) CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with) GSM Data Request (Custodian of) GSM Support (Point of contact)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/cc4c566d-372c-423c-acf6-62f5da2e4b6e&rft.title=RV Investigator Voyage IN2025_V05 Gravity Data&rft.identifier=3982fc32-4980-420d-b489-4200ff527083&rft.publisher=Australian Ocean Data Network&rft.description=This record describes gravity data collected on RV Investigator voyage IN2025_V05, 'Eruption, destruction and seafloor ecosystem recovery – Tonga 2022 eruption of the century', which departed Hobart on 10 Aug and ended in Brisbane on 01 Oct 2025 (local). The voyage’s first leg transited from Hobart to Nuku’alofa (10–19 Aug 2025), where science participants boarded. A mid-voyage transfer occurred on 05 Sep, and all science personnel disembarked in Nuku’alofa on 23 Sep before the final transit to Brisbane (23 Sep–1 Oct 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 52 files totalling 852 MB of raw data in this dataset. Wharf ties were undertaken at Hobart (PW4) and in Brisbane (Grain Corp, Multiuser Terminal) using a Scintrex Autograv CG-5. Wharf tie data can be found in GravityTie_in2025_v05_Hobart_20250807.TXT & GravityTie_in2025_v05_Brisbane_20251001.TXT, which is stored with the raw data.No processing has been conducted on this data. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.Maintenance and Update Frequency: asNeededStatement: Original field data.&rft.creator=Anonymous&rft.date=2025&rft.coverage=westlimit=147.338; southlimit=-43.28; eastlimit=186.49; northlimit=-19.865; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=147.338; southlimit=-43.28; eastlimit=186.49; northlimit=-19.865; projection=WGS 84 (EPSG:4326)&rft_rights=Attribution 4.0 https://creativecommons.org/licenses/by/4.0/&rft_rights=&rft_rights=Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” The dataset IN2025_V05 Gravity Data downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage [Insert-voyage-name-here] by the Marine National Facility.&rft_subject=oceans&rft_subject=geoscientificInformation&rft_subject=Ship: Investigator (RV)&rft_subject=Marine National Facility&rft_subject=Research Voyage: IN2025_V05&rft_subject=Earth Science | Oceans | Marine Geophysics | Marine Gravity Field&rft_subject=Coastal Waters (Australia) | Tasmania Coast, TAS&rft_subject=Regional Seas | Tasman Sea&rft_subject=Global / Oceans | South West Pacific Ocean&rft_subject=Gravity meters&rft_subject=Gravity&rft_subject=research vessel&rft_subject=gravimeters&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

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CC-BY

Attribution 4.0
https://creativecommons.org/licenses/by/4.0/

Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” The dataset IN2025_V05 Gravity Data downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage [Insert-voyage-name-here] by the Marine National Facility.

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Full description

This record describes gravity data collected on RV Investigator voyage IN2025_V05, 'Eruption, destruction and seafloor ecosystem recovery – Tonga 2022 eruption of the century', which departed Hobart on 10 Aug and ended in Brisbane on 01 Oct 2025 (local). The voyage’s first leg transited from Hobart to Nuku’alofa (10–19 Aug 2025), where science participants boarded. A mid-voyage transfer occurred on 05 Sep, and all science personnel disembarked in Nuku’alofa on 23 Sep before the final transit to Brisbane (23 Sep–1 Oct 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 52 files totalling 852 MB of raw data in this dataset. Wharf ties were undertaken at Hobart (PW4) and in Brisbane (Grain Corp, Multiuser Terminal) using a Scintrex Autograv CG-5. Wharf tie data can be found in GravityTie_in2025_v05_Hobart_20250807.TXT & GravityTie_in2025_v05_Brisbane_20251001.TXT, which is stored with the raw data.

No processing has been conducted on this data.

Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Original field data.

Notes

Credit
Data collected on the Marine National Facility (MNF) RV Investigator voyage IN2025_V05. The MNF must be acknowledged in all outputs derived from Data and/or Samples collected by, or with support from, the MNF. Acknowledge the MNF in outputs with the statement: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” Acknowledgment and citations should be in all forms of publication including presentations (where the acknowledgement should be on the closing slide), journals, books, reports and related research outputs.

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Spatial Coverage And Location

text: westlimit=147.338; southlimit=-43.28; eastlimit=186.49; northlimit=-19.865; projection=WGS 84 (EPSG:4326)

Subjects
Coastal Waters (Australia) | Tasmania Coast, TAS | Earth Science | Oceans | Marine Geophysics | Marine Gravity Field | Global / Oceans | South West Pacific Ocean | Gravity | Gravity meters | Marine National Facility | Regional Seas | Tasman Sea | Research Voyage: IN2025_V05 | Ship: Investigator (RV) | geoscientificInformation | gravimeters | oceans | research vessel |

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Other Information
Geophysical Survey and Mapping website information for this data set and link to downloading data. (Geophysical Survey and Mapping website information for this data set)

url : https://www.marine.csiro.au/data/gsm/gsm_extract.cfm?survey=IN2025_V05&instrument=AASII

RV Investigator survey information

url : https://www.marine.csiro.au/data/trawler/survey_details.cfm?survey=IN2025_V05

Marine National Facility home page (MNF home page)

url : https://mnf.csiro.au/

Link to visualisation tool for Near Real-Time Underway Data (NRUD) (Underway Visualisation Tool)

url : http://www.marine.csiro.au/data/underway/?survey=IN2025_V05

Link to the CSIRO Data Access Portal (Data Access Portal)

url : https://data.csiro.au/dap/

Identifiers
  • global : 3982fc32-4980-420d-b489-4200ff527083