[ Bathymetry | Backscatter | Optical Validation | Geomorphology ]
Tutuila Composite Backscatter Imagery
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Tutuila Color Composite Backscatter Imagery
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Zipped data files contain 1) grid data file (GeoTIFF), 2) high-res JPG of image, and 3) explanatory metadata text file (identical to linked file listed below). Study area grids are named for the island location, the type of sensor used for data acquisition, the chart box number, and the grid resolution in meters.
AHI Reson 8101 240 kHz Backscatter Imagery
| Download above image with boxes as a high-res JPG or high-res PDF Download above image without boxes as a high-res JPG or high-res PDF The boxes on the map represent charts used to grid subsets of the backscatter data into manageable file sizes. The box labels correspond to the 1 meter GeoTIFFs that are available for download in the pull down menus. To create a map of the entire backscatter dataset, all charts must be downloaded and the data must be mosaicked. The 16 meter GeoTIFF are available for download as a single grid, numbered 50-01. Reson 16 meter grid: GeoTIFF metadata text |
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| Reson 1 meter grid: GeoTIFF metadata text | |
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Hi‘ialakai Simrad EM3002d 300 kHz Backscatter Imagery
| Download above image with boxes as a high-res JPG or high-res PDF Download above image without boxes as a high-res JPG or high-res PDF The boxes on the map represent charts used to grid subsets of the backscatter data into manageable file sizes. The box labels correspond to the 1 meter GeoTIFFs that are available for download in the pull down menus. To create a map of the entire backscatter dataset, all charts must be downloaded and the data must be mosaicked. The 16 meter GeoTIFF are available for download as a single grid, numbered 50-01. EM3002d 16 meter grid: GeoTIFF metadata text |
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| EM3002d 1 meter grid: GeoTIFF metadata text | |
