IceBridge Quick Look: Arctic Sea Ice Freeboard, Snow Depth, and Thickness

Operation IceBridge campaigns collected this experimental, time-sensitive geophysical product over the Arctic sea ice cover. Derived data from the Airborne Topographic Mapper, Snow Radar, Digital Mapping System, and KT19 pyrometer likely contains measurements of sea ice freeboard, snow depth, ice thickness, ice roughness, and sea ice elevation. This quick look dataset is designed for projects requiring rapid analysis, such as sea ice forecasting, and serves as a counterpart to the more processed IceBridge L4 dataset.

Use Cases

• Sea ice forecasting based on derived freeboard and thickness estimates.
• Validating satellite-based sea ice products based on airborne geophysical measurements.
• Studying snow accumulation on sea ice based on snow depth retrievals.
• Analyzing sea ice surface topography and roughness based on elevation data.

Strengths

• Data is derived from multiple, specific airborne instruments (ATM, Snow Radar, DMS, KT19).
• Designed for time-sensitive applications, indicating potential for rapid data turnaround.
• Cross-platform presence on datagov and nasa_earthdata signals established importance and accessibility.

Limitations

• Metadata completeness is low: column names, row counts, and specific time ranges are not provided in the input.
• Sources conflict on last update date: datagov lists 2026-04-10, while nasa_earthdata lists 2019-04-22.
• The product is explicitly labeled as experimental, suggesting it may be less validated than its L4 counterpart.

Provenance

Source

National Aeronautics and Space Administration (NASA) Operation IceBridge funded campaigns.

Collection Method

Airborne sensing using the IceBridge Airborne Topographic Mapper (ATM), Snow Radar, Digital Mapping System (DMS), and KT19 pyrometer.

Freshness

2026-04-10 (from datagov, but conflicting with nasa_earthdata's 2019 date)

Geography

Arctic sea ice cover.