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 Bathymetric data files
5m WV-2 derived depths data files
5m WV-2 derived depths, and multibeam from NOAA Ship Hi'ialakai & R/V AHI data files

Zipped data files contain 1) Arc ASCII file, 2) layer (.lyr) file for symbology, 3) high-res JPG/PDF of image, and 4) explanatory metadata text file (identical to linked file listed below).

5m grid data

Main Hawaiian Islands: Ni‘ihau      

[ Bathymetry | Backscatter | Optical Validation | Geomorphology ]

Backscatter Gridded Data

Ni‘ihau Composite Backscatter Imagery

Ni‘ihau backscatter composite image.

Download above image as a high-res JPG or high-res PDF

Ni‘ihau Color Composite Backscatter Imagery

Ni‘ihau backscatter composite image.

Download above image as a high-res JPG or high-res PDF

Zipped data files contain 1) grid data file (NetCDF/GMT or 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

Ni‘ihau Reson 8101 backscatter

Download above image as a high-res JPG or high-res PDF

The data for the above map is available as one grid. Use the pulldown menu to download the data set.

Reson 8101: Metadata text

 
Top of the page

Hi‘ialakai Simrad EM300 30 kHz Backscatter Imagery

Ni‘ihau EM300 backscatter

Download above image as a high-res JPG or high-res PDF

The data for the above map is available as one grid. Use the pulldown menu to download the data set.

EM300: Metadata text

 

Top of the page

Hi‘ialakai Simrad EM3002d 30 kHz Backscatter Imagery

Ni‘ihau EM3002d backscatter

Download above image as a high-res JPG or high-res PDF

The data for the above map is available as one grid. Use the pulldown menu to download the data set.

EM3002d: Metadata text

 

Top of the page