2000-era hyperspectral imagery data collected for coral reef mapping methods development around the main eight Hawaiian Islands, focusing on Oahu. The project was a cooperative effort involving NOAA's National Centers for Coastal Ocean Science, the University of Hawaii, and Analytical Laboratories of Hawaii, LLC. Data includes 72 spectral bands in the visible and near-infrared range with a 3-meter pixel resolution.
Use Cases
- Classify benthic habitat types from 72 spectral bands using pixel-based or object-based image analysis.
- Compare coral reef maps generated from hyperspectral imagery against those from IKONOS satellite or aerial photography.
- Analyze coral health and community structure over time using the optimized spectral bands for feature detection in shallow and deep water.
- Delineate boundaries of underwater features via photointerpretation using the 3-meter resolution imagery.
Strengths
- 72 spectral bands in the visible and near-infrared range provide detailed spectral information.
- 3-meter pixel resolution offers fine spatial detail for habitat boundary delineation.
- Data processed to optimize band widths for feature detection in both shallow and deep water environments.
Limitations
- Data is from the year 2000, potentially limiting relevance for current time-series analysis of reef change.
- Specific sample size (rows/image count) and geographic coverage beyond the main islands are unknown.
- Lack of provided columns or sample data makes initial exploration and format understanding difficult.
Provenance
- Source
- NOAA National Centers for Coastal Ocean Science (NCCOS), University of Hawaii, Analytical Laboratories of Hawaii, LLC.
- 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.