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Bathymetric digital elevation model (DEM) of Eastern Dry Rocks coral reef, Florida, 2021

Metadata Updated: October 29, 2023

A digital elevation model (DEM) was created from underwater images collected at Eastern Dry Rocks coral reef near Key West, Florida, in May 2021 using the SQUID-5 camera system. The underwater images were processed using Structure-from-Motion (SfM) photogrammetry techniques into a classified two-class ('unclassified' and 'low noise') 3D point cloud. The DEM was derived in Metashape (ver. 1.6.5) from the point cloud, but it excludes the 'low noise' class. The DEM covers a rectangular area of seafloor approximately 800x160 meters (0.12 square kilometers) in size and was saved as a tiled GeoTIFF raster at 1-cm resolution.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023
Publisher U.S. Geological Survey
Identifier USGS:91a971cc-f433-4d2e-a647-aa7fe3bba14d
Data Last Modified 20220611
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 6c8c1088-5cf8-4e4e-a265-7b7f3c5f0bb2
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -81.84593563,24.45766816,-81.83777265,24.4636915
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash ea6fee57b03912653a660a1584d5ca95261fefbab2ef1870b13456e1e3f00547
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -81.84593563, 24.45766816, -81.84593563, 24.4636915, -81.83777265, 24.4636915, -81.83777265, 24.45766816, -81.84593563, 24.45766816}

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