OpenTopography - US Interagency Elevation Inventory

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US Interagency Elevation Inventory

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Download Topobathy Shoreline Lidar layers in KML format

Download Topographic Lidar layers in KML format

Download Bathymetric Lidar layers in KML format

Download IfSAR layers in KML format

Download Other Bathymetric Surveys layers in KML format

Data Sources

Topobathy Shoreline Lidar

Topographic Lidar

Bathymetric Lidar

IfSAR

Other Bathymetric Surveys

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RESULTS:

Topobathy Shoreline Lidar
Topographic Lidar
Bathymetric Lidar
IfSAR
Other Bathymetric

Lidar data are a densely spaced network of highly accurate georeferenced elevation points�often called a point cloud�collected using a laser, that provide a representation of the Earth�s surface. For shoreline data, both topographic elevations and bathymetric depths are collected to provide a seamless representation of the Earth�s surface across the land�water interface.

Lidar data are a densely spaced network of highly accurate georeferenced elevation points�often called a point cloud�collected using a laser, that provide a representation of the Earth�s surface. For this data type, lidar technology is used to collect topographic (land) elevations.

Lidar data are a densely spaced network of highly accurate georeferenced elevation points�often called a point cloud�collected using a laser, that provide a representation of the Earth�s surface. For this data type, lidar technology is used to collect bathymetric (undersea) elevations.

IfSAR is an acronym for �Interferometric Synthetic Aperture Radar.� The data collected by this technology are used to produce topographic elevation information in the form of orthorectified radar imagery (ORRI) that can be analyzed to produce digital elevation models (DEMs). A DEM consists of terrain elevations at regularly spaced horizontal intervals.

Other bathymetric surveys are water depth data collected by academic and other nongovernmental sources.

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