SNF Site Characterization: NASA Boreal Forest Remote Sensing Data

A 50 x 50 km area of the Superior National Forest near Ely, Minnesota, was the focus of a NASA experiment during the summers of 1983 and 1984. The dataset integrates satellite, aircraft, helicopter, and ground observations to investigate relationships between radiometric signals and forest biophysical properties like leaf area index, biomass, and net primary productivity. It was designed to support scaling from aircraft to satellite measurements for remote sensing of ecosystem parameters.

Use Cases

• Calibrating satellite-derived vegetation indices using ground-based leaf area index measurements.
• Modeling forest biomass and net primary productivity from multi-platform remote sensing data.
• Investigating soil properties (e.g., texture, moisture) as they relate to forest canopy characteristics.
• Developing scaling methodologies to link aircraft sensor data with broader satellite observations.

Strengths

• Integrates observations from four platforms (satellite, aircraft, helicopter, ground) for a single study area, providing a multi-scale perspective.
• Covers a specific, well-defined 50 x 50 km region in a boreal forest, a biome chosen for its sensitivity to climatic change.
• Data collection was intensive and focused over two consecutive summer field campaigns (1983, 1984).

Limitations

• Documentation is explicitly noted as 'currently in work' across all platforms, indicating incomplete metadata.
• Column names and precise data structure are unknown, hindering immediate analysis.
• Conflicting 'last updated' dates (1984 vs. 2026) suggest metadata inconsistencies across hosting platforms.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Field experiment integrating satellite, aircraft, helicopter, and ground-based observations.

Time Range

Summers of 1983 and 1984

Freshness

Data collection concluded in 1984, though metadata records show a conflicting administrative update in 2026.

Geography

50 x 50 km area centered at approximately 48°N, 92°W in the Superior National Forest near Ely, Minnesota, USA.