Topographic Lidar Survey of the Alabama, Mississippi, and Southeast Louisiana Barrier Islands, from September 5 to October 11, 2012 -- Bare Earth Digital Elevation Models

Description

A topographic lidar survey was conducted from September 5 to October 11, 2012, for the barrier islands of Alabama, Mississippi and southeast Louisiana, including the coast near Port Fourchon. Most of the data were collected September 5-10, 2012, with a reflight conducted on October 11, 2012, to increase point density in some areas.
The data were collected at a nominal pulse space of 1-meter (m) and processed to identify bare earth elevations.
Bare earth Digital Elevation Models(DEMs) were generated based on these data.
Aero-Metric, Inc., was contracted by the U.S. Geological Survey (USGS) to collect and process the lidar data.
The bare earth DEMs are 32-bit floating point ERDAS Imagine (IMG) files with a horizontal spatial resolution of 1-m by 1-m. They are projected to UTM zone 15N or 16N NAD83 meters. Their vertical datum is NAVD88 (GEOID12) meters.
The DEMs are organized on a 2-kilometer (km) by 2-km tiling scheme that covers the entire survey area.
These lidar data are available to Federal, State and local governments, emergency-response officials, resource managers, and the general public.

Resources

Name Format Description Link
Digital Data XML Landing page for access to the data Open resource
Original Metadata XML The metadata original format Open resource

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