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  4. Lidar Point Cloud - USGS National Map 3DEP Downloadable Data Collection

Lidar Point Cloud - USGS National Map 3DEP Downloadable Data Collection

Dates

Publication Date
Start Date
2004

Citation

U.S. Geological Survey, 2017, Lidar Point Cloud - USGS National Map 3DEP Downloadable Data Collection: U.S. Geological Survey.

Summary

This data collection of the 3D Elevation Program (3DEP) consists of Lidar Point Cloud (LPC) projects as provided to the USGS. These point cloud files contain all the original lidar points collected, with the original spatial reference and units preserved. These data may have been used as the source of updates to the 1/3-arcsecond, 1-arcsecond, and 2-arcsecond seamless 3DEP Digital Elevation Models (DEMs). The 3DEP data holdings serve as the elevation layer of The National Map, and provide foundational elevation information for earth science studies and mapping applications in the United States. Lidar (Light detection and ranging) discrete-return point cloud data are available in the American Society for Photogrammetry and Remote Sensing [...]

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Contacts

Originator :
U.S. Geological Survey
Metadata Contact :
U.S. Geological Survey
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey

Attached Files

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USGS_LidarPointCloud_Collection.xml
Original FGDC Metadata
View 		10.59 KB application/fgdc+xml
USGS_3DEP_LidarPointCloud_Collection.xml
Original FGDC Metadata
View 		12.84 KB application/fgdc+xml

Purpose

High-resolution digital elevation data generated by airborne lidar have led to significant advances in geomorphology, the branch of geoscience concerned with the origin and evolution of Earth's surface topography. Lidar provides unique characteristics relative to other remotely sensed data sources by providing three-dimensional feature information that cannot be derived from traditional imaging sensors. Lidar data serves as a source of data for the elevation layer of The National Map, and provides surface information for earth science studies and mapping applications in the United States. The data are utilized by the scientific and resource management communities for global change research, hydrologic modeling, resource monitoring, visualization, and other applications.
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  • National Geospatial Program
  • The National Map

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