This dataset is a hydrographic survey collected by sensors mounted on gliders in the Weddell Sea sector of the Antarctic Marginal Ice Zone, as part of the Robotic Observations and Modeling of the Marginal Ice Zone (ROAMMIZ) project. The gliders, SG643 (Caltech) and SG640 (Gothenburg University), were deployed from the research vessel SA AGULHAS II in the austral summer of 2018 and spring of 2019, respectively. Each of the profiles provide temperature, salinity, dissolved oxygen, fluorescence, optical backscatter (at 470 and 700 nm) and Depth Averaged Currents. The deployment in 2018 also includes PAR. Data were measured to a depth of 1000 m except for fluorescence and backscatter which recorded to a depth of 400 m. Horizontal resolution ranges from 300 m to 5000 m as a result of the V-shaped sampling pattern characteristic of gliders. The concatenated files provide processed and calibrated temperature, salinity, chlorophyll and backscatter data using near-by CTD casts on deployment and recovery of the gliders. The individual profiles have been processed on the Kongsberg basestation and the thermal lag correction of Charlie Erickson (unpublished) applied, but the data is otherwise not post-calibrated. The raw data of SG643 is also provided in case the user would like to re-process the data. Otherwise, the data are in NetCDF. Data were collected with support from ROAMMIZ Project; Terrestrial Hazard Observations and Reporting (THOR) Center and Linde Center at Caltech ; Packard Foundation.

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This dataset contains data in NetCDF format from Seaglider 574. The Commonwealth Scientific and Industrial Research Organization (CSIRO) - SOCCO Southern Ocean Seasonal Cycle Experiment (SOSCEx) was planned around five cruises to the Subantarctic Zone (SAZ) between the austral winter of 2012 and the late summer of 2013. Two autonomous SeaGliders (SG573 and SG574) were deployed south of Gough Island in the South-East Atlantic Ocean at 42.4S, 9.9W and 43.0S, 11.0W, respectively. Their deployment occurred in the central SAZ region of the Southern Ocean. The gliders were deployed on 20 September 2012 and 25 September 2012, respectively and both were retrieved on 15 February 2013 resulting in continuous sampling for 148 and 143 days (or 5.5 months) per glider. Data from SG574 are archived in NCEI Accession 0131501. Refer to Swart et al., 2014, JMS for further details.