AEHYPCCMN300MM: Hyperspectral Mosaic of Cedar Creek Grassland

An airborne hyperspectral reflectance image mosaic captures the Cedar Creek Ecosystem Science Reserve Long-Term Ecological Research site in Minnesota. The data consists of 64 spectral bands at 0.3-meter spatial resolution, covering wavelengths from 400 to 970 nanometers. It was collected on August 2, 2014, to study the relationship between optical diversity and biodiversity in prairie grassland plots.

Use Cases

• Mapping plant species diversity based on spectral reflectance signatures.
• Investigating the spatial scale sensitivity of the optical diversity-biodiversity relationship.
• Calibrating or validating satellite-derived vegetation indices with high-resolution airborne data.
• Studying the impact of climate and biodiversity experiments on prairie grassland spectral properties.

Strengths

• High spatial resolution of 0.3 meters (resampled from ~1 meter).
• Contains 64 hyperspectral bands for detailed spectral analysis.
• Data collection methodology is explicitly described, including aircraft, sensor (AisaEAGLE), altitude (1,540 m), and atmospheric correction (FLAASH).
• Covers all plots in the established BioDIV and Biodiversity and Climate experiments.

Limitations

• Metadata completeness is low; column names, row counts, and file sizes are unknown across all platforms.
• Conflicting 'last updated' dates (2014-08-03 vs. 2026-03-13) suggest potential metadata inconsistency.
• Data is from a single acquisition date (August 2, 2014), limiting temporal analysis.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Airborne data collected via an AisaEAGLE hyperspectral system mounted on a Piper Saratoga aircraft, processed into a reflectance mosaic.

Time Range

2014-08-02

Freshness

Last updated dates conflict: 2014-08-03 (nasa_earthdata) and 2026-03-13 (datagov).

Geography

Cedar Creek Ecosystem Science Reserve (CCESR), Minnesota, USA.