2000-era point data generated to assess the accuracy of benthic habitat maps for Oahu, Hawaii. The data was created by a partnership including NOAA's National Centers for Coastal Ocean Science, the University of Hawaii, and Analytical Laboratories of Hawaii. It compares maps derived from aerial photography, hyperspectral, and IKONOS satellite imagery.
Use Cases
- Validate benthic habitat classification accuracy by comparing map labels to ground-truth assessment points.
- Compare the performance of mapping methods (aerial, hyperspectral, IKONOS) using accuracy metrics derived from the point data.
- Analyze spatial patterns of classification error by examining the geographic distribution of assessment points.
- Assess the relationship between pixel size (e.g., 3-meter IKONOS) and map accuracy for coral reef studies.
Strengths
- Data supports map accuracy assessments with a target confidence interval of 90% to 95%.
- Developed through a cooperative project involving NOAA, a major university, and a commercial laboratory.
- Explicitly designed to compare three distinct remote sensing platforms (aerial, hyperspectral, IKONOS).
Limitations
- Data is from a single year (2000) and may not reflect current reef conditions.
- Specific sample size (row count) and column details for the point data are unknown.
- Primary geographic coverage is limited to the island of Oahu, Hawaii.
Provenance
- Source
- NOAA National Centers for Coastal Ocean Science (NCCOS), University of Hawaii, Analytical Laboratories of Hawaii.
- Collection Method
- Accuracy assessment points generated via visual interpretation to validate benthic habitat maps created from remotely sensed imagery.
- Time Range
- 2000
- Freshness
- null
- Geography
- Oahu, Main Hawaiian Islands.