Tinian Island (& Aguijan Island, Tatsumi Bank): Backscatter

[ Bathymetry | Backscatter | Optical Validation | Geomorphology ]

Saipan and Tinian Island Composite Backscatter Imagery Saipan Island (and Marpi Bank) backscatter composite image.

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Saipan and Tinian Island Color Composite Backscatter Imagery

Saipan Island (and Marpi Bank) backscatter composite image.

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Zipped data files contain 1) grid data file (GeoTIFF, or ASCII), 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

Saipan Island (and Marpi Bank) 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.

Reson 5 m grid: Grid metadata text

Hi‘ialakai Simrad EM300 30 kHz Backscatter Imagery

Saipan Island (and Marpi Bank) Hiialakai Simrad EM300 30 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 5 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.

EM300 5 m grid: Grid metadata text

Benthic Habitat Data

Bathymetry

Zipped data files contain 1) grid data file (GMT or ASCII), 2) high-res JPG of image, and 3) explanatory metadata text file (identical to linked file listed below).
* Ikonos imagery & USGS Digital Ortho Quarter Quads NOT included with download.

5m grid data
Merged Multibeam Bathymetry, IKONOS Derived Depths, and Lidar Bathymetry
  • View: Metadata
    2003 | Map
  • Download: Shapefiles, JPG & metadata
    2003
  • Zipped data files contain 1) Arc ASCII file, 2) layer (.lyr) file for symbology, 3) high-res JPG of image, and 4) explanatory metadata text file (identical to linked file listed below).

5m grid data files