2000-era hyperspectral imagery of the main eight Hawaiian Islands, focusing on Oahu, was collected for coral reef habitat analysis. The dataset comprises 72 spectral bands in the visible and near-infrared range with 3-meter pixel resolution. It was produced through a cooperative effort involving NOAA's National Centers for Coastal Ocean Science, the University of Hawaii, and Analytical Laboratories of Hawaii.
Use Cases
- Classify benthic habitat types using 72 spectral bands to differentiate coral, algae, and substrate.
- Analyze coral reef community structure over time by comparing hyperspectral imagery with other data sources like IKONOS satellite imagery.
- Detect features in shallow and deep water by applying band selection processing optimized for the coastal environment.
- Delineate habitat boundaries for mapping by photointerpreting the 3-meter resolution georeferenced imagery.
Strengths
- 72 spectral bands provide high spectral resolution for detailed feature analysis.
- 3-meter pixel resolution offers fine spatial detail for habitat boundary delineation.
- Data processed with specific band selection to optimize detection in different water depths.
Limitations
- Data is from 2000, making it temporally stale for current reef condition analysis.
- Specific sample size (rows/images) and geographic coverage details for all eight islands are unknown.
- Lack of available sample data or column descriptions hinders immediate technical assessment.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI), from a project involving NOAA NOS, University of Hawaii, and Analytical Laboratories of Hawaii.
- Collection Method
- Collected using the AURORA hyperspectral imaging system and processed for band selection; maps generated by photointerpreting georeferenced imagery.
- Time Range
- Circa 2000.
- Freshness
- null
- Geography
- Main eight Hawaiian Islands, with specific focus on Oahu.