Hyperspectral imagery data was collected for coral reef mapping and benthic habitat analysis across the main eight Hawaiian Islands, focusing on Oahu. The project was a cooperative effort involving NOAA's National Ocean Service, the University of Hawaii, and other partners. Data collection and processing occurred around the year 2000.
Use Cases
- Classify benthic habitat types using 72 spectral bands in the visible and near-infrared range.
- Compare coral reef maps generated from hyperspectral imagery against those from aerial photography and IKONOS satellite data.
- Analyze coral health and community structure over time by leveraging the enhanced spectral resolution for feature detection.
- Delineate boundaries of underwater features using the 3-meter pixel resolution imagery within a habitat digitizer software.
Strengths
- 72 spectral bands with 10 nm bandwidths provide detailed spectral information.
- 3-meter pixel resolution offers fine spatial detail for coastal features.
- Data processed to optimize feature detection in both shallow and deep water environments.
Limitations
- Data is from circa 2000, potentially limiting analysis of recent coral reef conditions.
- Specific sample size (row/area count) and geographic extent beyond 'main eight Hawaiian Islands' are unknown.
- Lack of documented column structure or sample data complicates initial technical assessment.
Provenance
- Source
- NOAA National Centers for Coastal Ocean Science (NCCOS), Center for Coastal Monitoring and Assessment, in cooperation with the University of Hawaii and Analytical Laboratories of Hawaii, LLC.
- Collection Method
- Data collected using the AURORA hyperspectral imaging system and processed for band selection to optimize feature detection; maps generated by photointerpreting georeferenced imagery.
- Time Range
- Circa 2000.
- Freshness
- null
- Geography
- Main eight Hawaiian Islands, with specific focus on Oahu.