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Orthoimagery and elevation data derived from UAS imagery for Palmyra Atoll, USA 2016-Barren Island

Metadata Updated: October 29, 2023

This data set includes a point cloud, digital surface model (DSM), and orthoimagery of Barren Island at Palmyra Atoll, USA. Products were generated from aerial images collected in October 2016 using Unoccupied Aerial Systems (UAS, or "drones") with a Ricoh GRII digital camera. Imagery was processed using structure-from-motion photogrammetry that generates a three dimensional point cloud (.las) by identifying pixels from multiple images representing the same object and calculating the x, y, and z coordinates of that object/pixel. Point cloud data were processed to create a 6.4 cm resolution DSM (.tif) of the uppermost reflective surface (i.e., data have not been filtered for vegetation classes or height). Finally, source images were stitched together based on shared pixels and orthoganally adjusted to the DSM to create a 3.2 cm reolution orthoimage (.tif) for the study area.

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.

Downloads & Resources

Dates

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
Maintainer
@Id http://datainventory.doi.gov/id/dataset/6c66a7e35564aedf32f865b5574f49f5
Identifier USGS:5d4de543e4b01d82ce8e081c
Data Last Modified 20191118
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://datainventory.doi.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id d0d25fdf-1351-499a-b44b-8a75ad8f36d1
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -162.051922841,5.86886344357,-162.038476602,5.88611865249
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash ed2bc90cbc52536a60624830f8c47a293e3fb81ae54c9c2a957f8b84ef8f15dd
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -162.051922841, 5.86886344357, -162.051922841, 5.88611865249, -162.038476602, 5.88611865249, -162.038476602, 5.86886344357, -162.051922841, 5.86886344357}

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