Antarctic Ocean Temperature and Salinity Profiles from Glider Mission

Glider RU25D collected 26 days of temperature and salinity profile data in the Southern Ocean near the West Antarctic Peninsula. The Rutgers University Center for Ocean Observing Leadership deployed the glider from December 2017 to January 2018 for the Long Term Ecological Research program. Data was preserved by NOAA's National Centers for Environmental Information.

Use Cases

• Analyze temperature and salinity cross-sections to map the presence of modified Upper Circumpolar Water on the continental shelf.
• Model the relationship between observed water properties (temperature, salinity, density) and the region's status as the fastest winter warming place on Earth.
• Use the time-series geospatial trajectory data to study oceanographic conditions along the transect from Palmer Station to Rothera Station.
• Correlate physical profile data with biological observations from the Long Term Ecological Research program to understand ecosystem regulation.

Strengths

• Data covers a 26-day continuous mission from 2017-12-22 to 2018-01-16.
• Focuses on a scientifically critical region: the rapidly warming West Antarctic Peninsula.
• Data underwent quality checks and aggregation by the IOOS National Glider Data Assembly Center before archival.

Limitations

• Dataset is limited to physical oceanographic properties (temperature, salinity, conductivity, density); biological or chemical measurements are absent.
• Single glider deployment provides a snapshot; temporal coverage is limited to one austral summer month.
• Geographic scope is specific to a transect near the Antarctic Peninsula, not a broader regional survey.

Provenance

Source

Rutgers, The State University of New Jersey; Center for Ocean Observing Leadership (RU COOL), via IOOS National Glider Data Assembly Center and NOAA NCEI.

Collection Method

Measurements gathered by an autonomous underwater glider (RU25D) during a dedicated mission.

Time Range

2017-12 22 to 2018-01-16

Freshness

Data collection ended on 2018-01-16; dataset represents a historical snapshot.

Geography

Southern Ocean, continental shelf near the West Antarctic Peninsula, from Palmer Station south to Rothera Station.