1991-1992 aerial photography was used to create shallow-water benthic habitat maps for the Florida Keys and adjacent waters. The project was a cooperative effort between NOAA's National Ocean Service and the Florida Department of Environmental Protection. Approximately 450 color aerial photographs were interpreted and compiled to produce a digital habitat mosaic.
Use Cases
- Analyze habitat polygon boundaries and attributes to quantify the spatial distribution of coral reefs, seagrass beds, and other benthic types.
- Use the interpreted habitat features and mapping units (minimum 0.4 hectares) for change detection studies against more recent habitat maps.
- Apply the geospatial vector data for modeling species habitat suitability based on specific benthic cover types.
- Validate modern remote sensing classification algorithms by comparing outputs to this expert-visual-interpretation baseline.
Strengths
- Data derived from expert visual interpretation of approximately 450 aerial photographs.
- Stereo positioning of the photography was reported to be less than 1 meter.
- Ground validation of interpreted habitat polygons was performed at actual field sites.
Limitations
- Data is temporally stale, representing a single snapshot from December 1991 to March 1992.
- The minimum mapping unit of 0.4 hectares limits the detection of smaller habitat patches.
- Specific column names, row counts, and data formats are unknown from the provided metadata.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI).
- Collection Method
- Expert visual interpretation and photogrammetric, stereo, digital compilation of 1:48,000 scale color aerial photography.
- Time Range
- December 1991 to March 1992.
- Freshness
- null
- Geography
- Florida Keys and adjacent shallow waters (0 to approximately 30 meters depth).