2000 hyperspectral imagery data for coral reef mapping in the Main Eight Hawaiian Islands, focusing on Maui. The project was a cooperative effort by NOAA's National Centers for Coastal Ocean Science, the University of Hawaii, and Analytical Laboratories of Hawaii. It aimed to develop and compare reef mapping methods using aerial photography, hyperspectral, and IKONOS satellite imagery.
Use Cases
- Classify benthic habitats by photointerpreting georeferenced hyperspectral imagery with 3-meter pixel resolution.
- Analyze coral reef community structure over time using the 72 visible and near-infrared spectral bands for time-series analysis.
- Compare mapping accuracy between hyperspectral imagery, IKONOS satellite data, and color aerial photography for coral reef delineation.
- Detect features in shallow and deep water by utilizing processed band widths optimized for underwater environments.
- Assess coral health by leveraging the enhanced spectral resolution of the AURORA hyperspectral imaging system.
Strengths
- Hyperspectral data provides 72 spectral bands in the visible and near-infrared range for detailed analysis.
- Imagery has a high spatial resolution of 3 meters per pixel for precise feature delineation.
- Data was specifically processed to optimize band widths for feature detection in both shallow and deep water.
Limitations
- Data is from the year 2000, which may limit its relevance for current coral reef condition assessments.
- Specific sample size, row count, and geographic extent beyond the Hawaiian Islands are unknown.
- The description does not specify the availability of ground truth data or validation metrics for the habitat maps.
Provenance
- Source
- NOAA National Centers for Coastal Ocean Science (NCCOS), University of Hawaii, Analytical Laboratories of Hawaii, LLC.
- Collection Method
- Data collected by the AURORA hyperspectral imaging system and processed for band selection; habitat maps generated by photointerpretation using software like the Habitat Digitizer.
- Time Range
- 2000
- Freshness
- null
- Geography
- Main Eight Hawaiian Islands, with a specific focus on Maui.