This record describes gravity data collected on RV Investigator voyage IN2019_V02, titled 'SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania; Subantarctic Biogeochemistry of Carbon and Iron, Southern Ocean Time Series site', which departed Hobart on the 14 March 2019 and returned to Hobart on the 5 April 2019. The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. There are 41 files totalling 340 MB of raw data in this dataset. No processing has been conducted on this data. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

This record describes gravity data collected on RV Investigator voyage IN2021_V02 (SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania), which departed Hobart on the 14th April 2021 and returned to Hobart on the 28th April 2021. The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. There are 12 files totalling 178 MB of raw data in this dataset. A wharf tie was not undertaken prior to this voyage. No data was acquired between 01:20 on 21/04/2021 and 01:28 on 24/04/2021 (UTC), due to rough weather conditions requiring the system to be turned off. No processing has been conducted on this data. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

This record describes gravity data collected on RV Investigator voyage IN2022_V03, "SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania", which departed Hobart on the 4th May 2022 and returned to Hobart on the 15th May 2022 (AEST). The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. The gravity meter was running for the duration of the voyage. There are 12 files totaling 184 MB of raw data in this dataset. A wharf tie was undertaken after the previous voyage (19 April 2022) and again after this voyage (15 May 2022) at the Hobart wharf using a Scintrex Autograv CG-5. Wharf tie data can be found in the "wharf_calibrations" folder which is stored with the raw data. An Excel spreadsheet detailing the wharf tie metadata and associated waterline measurements is also stored with the raw data. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

This record describes gravity data collected on RV Investigator voyage IN2017_V02, 'SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania' which departed Hobart on the 17 March 2017 and returned to Hobart on the 28 March 2017. 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 178 MB of raw data in this dataset. A wharf tie was undertaken at Hobart location using a Scintrex Autograv CG-5. Wharf tie data can be found in Hobart wharf_tie_2017_03_14.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.

This record describes gravity data collected on RV Investigator voyage IN2025_V02, ' SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania ' which departed Hobart on the 26th March and returned to Hobart on the 14th April 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 19 files totalling 262 MB of raw data in this dataset. Wharf ties were undertaken at PW4 in Hobart using a Scintrex Autograv CG-5. Wharf tie data can be found in: Gravity Tie_in2025v02_Hobart_SOV_20250325.TXT and Gravity Tie_in2025v02_Hobart_EOV_20250414.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.

This record describes gravity data collected on RV Investigator voyage IN2018_V02 , "SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania" and "Subantarctic Biogeochemistry of Carbon and Iron, Southern Ocean Time Series site" which departed Hobart on the 03 March 2018 and returned to Hobart briefly on 12 March and finally concluded on the 21 March 2018 in Hobart. The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. There are 25 files totalling 78.6 MB of raw data in this dataset. Wharf tie data can be found in Hobart wharf_tie_2016_07_20.txt, which is stored with the raw data. Coverage is patchy due to GSM staffing levels and rough weather. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

This record describes gravity data collected on the Marine National Facility (MNF) RV Investigator voyage IN2025_V04, titled "Untangling the causes of change over 25 years in the southeast marine ecosystem - Voyage IV." The voyage took place between May 27, 2025 and June 28, 2025 (AEST), departing from Hobart and returning to Hobart. The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. There are 33 files totalling 541 MB of raw data in this dataset. A wharf tie was undertaken at the end of the voyage at the Hobart Princes Wharf using a Scintrex Autograv CG-5. Wharf tie data can be found in GravityTie_in2025_v04_Hobart_20250627.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.

This record describes gravity data collected on RV Investigator voyage IN2020_V09 (SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania), which departed Hobart on the 27th August 2020 and returned to Hobart on the 12th September 2020. In addition to the tasks at the SOTS site the voyage also recovered a Rintoul mooring that was deployed during IN2020_V05. The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. There are 16 files totalling 226 MB of raw data in this dataset. A wharf tie was not undertaken prior to this voyage. No data was acquired between 11:30 on 27/08/2020 and 00:03 on 31/08/2020 (UTC), due to rough weather conditions requiring the system to be turned off. No processing has been conducted on this data. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

This record describes gravity data collected on RV Investigator voyage IN2021_V03, titled "Integrated Marine Observing System: monitoring of East Australian Current property transports at 27 degrees South (multi-year)." The voyage took place from Hobart (TAS) to Brisbane (QLD) between May 8 and June 3, 2021. The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. There are 62 files totalling 462 MB of raw data in this dataset. No processing has been conducted on this data. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

This record describes gravity data collected on RV Investigator voyage IN2023_V05, titled "Untangling the causes of change over 25 years in the southeast marine ecosystem (SEA-MES Voyage 1). The voyage took place between June 28, 2023 and July 30, 2023 (AEST), departing from Hobart and returning to Hobart. The gravity meter instrument is a MicroG Lacoste Air-Sea II. Data are stored in .ENV and .DAT data files at CSIRO. There are 14 files totalling 205 MB of raw data in this dataset. A wharf tie was not undertaken due to the sensor replacements, and malfunctions. Gravity data was acquired for adhoc periods throughout the voyage although due to continued errors, malfunctions and swapping of sensor hardware it is recommended this data not be published. The manufacturer advised the systems control module be replaced as a potential solution to malfunctions. This was carried out on the 3rd July 2023. The system was observed to similarly malfunction after a short period. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.