2000 data points for assessing the accuracy of benthic habitat maps for the Main Hawaiian Islands, specifically Molokai. The dataset was created through a collaboration between NOAA's National Centers for Coastal Ocean Science, the University of Hawaii, and Analytical Laboratories of Hawaii. It was generated to evaluate maps derived from aerial photography, hyperspectral, and IKONOS satellite imagery.
Use Cases
- Validate benthic habitat classification accuracy by comparing map predictions to ground-truth assessment points.
- Compare the performance of mapping methods using aerial photography, hyperspectral, and IKONOS satellite imagery as referenced in the source data.
- Assess the relationship between pixel size (e.g., three-meter resolution noted) and map accuracy for coral reef studies.
- Identify geographic areas where map accuracy is lower, informing priorities for supplemental field observation campaigns.
Strengths
- Data supports map accuracy assessment with a target confidence interval of 90% to 95%.
- Results from a multi-institutional collaboration including NOAA and academic partners.
Limitations
- Dataset is from a single year (2000), limiting temporal analysis of habitat change.
- Specific sample size (row count) and geographic point density are unknown.
- Focus is limited to the island of Molokai within the Main Hawaiian Islands.
Provenance
- Source
- NOAA National Centers for Coastal Ocean Science (NCCOS), University of Hawaii, Analytical Laboratories of Hawaii.
- Collection Method
- Points generated via visual interpretation and accuracy assessment of maps created from remotely sensed imagery.
- Time Range
- 2000
- Freshness
- null
- Geography
- Benthic habitats surrounding the island of Molokai, Main Hawaiian Islands.