Great Lakes Glider Measurements of Temperature and Salinity

Physical oceanographic measurements from a Slocum glider deployed in the Great Lakes during May 2017. The dataset contains profiles of temperature, conductivity, salinity, and density. Data was gathered by the University of Minnesota Duluth's Large Lakes Observatory and archived by NOAA's National Centers for Environmental Information.

Use Cases

• Modeling water density profiles from temperature and salinity measurements.
• Analyzing spatial and temporal variations in conductivity across the glider's trajectory.
• Calibrating remote sensing sea surface temperature data with in-situ glider measurements.
• Studying vertical stratification and mixing events in the Great Lakes during spring.

Strengths

• Data spans a continuous 4-day deployment from May 9 to 12, 2017.
• Includes core physical oceanographic variables: temperature, salinity, conductivity, and density.
• Quality-checked and aggregated by the Integrated Ocean Observing System's National Glider Data Assembly Center.

Limitations

• Dataset represents a single, short-term deployment, limiting long-term trend analysis.
• Geographic coverage is restricted to the specific trajectory of the 'gichigami' glider.
• Unknown row count and sampling resolution within the netCDF file.

Provenance

Source

University of Minnesota Duluth - Large Lakes Observatory, via NOAA NCEI.

Collection Method

In-situ measurements collected by a Slocum underwater glider.

Time Range

2017-05-09 to 2017-05-12

Freshness

Single deployment from 2017; no update frequency.

Geography

Great Lakes (specific trajectory not detailed)