Hard-Soft Seafloor Classification, 5m (Reson) - Tutuila, American Samoa
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tutuila Island, American Samoa, South Pacific. The dataset was derived using a combination of Reson 8101 backscatter, bathymetric variance, and bathymetric rugosity. The sonar frequency was 240 kHz and all data were resampled to 5 m grid cell size prior to the classification. Initial supervised classifications of the backscatter data into hard and soft seafloor substrates, using seafloor photographs for groundtruthing and to define regions of interest, were used to define unsupervised class types and to visually evaluate the accuracy of the unsupervised classification seafloor substrate map.
Data and resources
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This URL provides access to this dataset via GeoServer, including multiple output formats and an OpenLayers viewer.HTML Open
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Open Geospatial Consortium Web Coverage Service (WCS). Supported WCS versions include 1.0.0, 1.1.0, and 1.1.1. Supported output formats include GeoTIFF, GIF,…WCS Open
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Additional information
| Date (creation) | 2016-01-25 |
|---|---|
| Date (issued) | 2016-01-25 |
| Date (revision) | 2016-01-25 |
| Status | onGoing |
| Update frequency | asNeeded |
| Metadata language | en |
| License | The data may be used and redistributed for free but is not intended for legal use, since it may contain inaccuracies. Neither the data Contributor, University of Hawaii, PacIOOS, NOAA, State of Hawaii nor the United States Government, nor any of their employees or contractors, makes any warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, or assumes any legal liability for the accuracy, completeness, or usefulness, of this information. |
| Source metadata | ISO 19115 XML |
| Last updated | 2026-11-04 |
| Created | 2026-11-04 |
| API | package_show |