Topographic Lidar Survey of Dauphin Island, Alabama and Chandeleur, Stake, Grand Gosier and Breton Islands, Louisiana, July 12-14, 2013 -- Bare Earth Digital Elevation Models (DEMs)

A topographic lidar survey was conducted on July 12-14, 2013 over Dauphin Island, Alabama and Chandeleur, Stake, Grand Gosier and Breton Islands, Louisiana. 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. Photo Science, 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 Universal Transverse Mercator (UTM), Zone 16, North American Datum (NAD) 1983, meters (m) coordinates. Their vertical datum is NAVD88 (GEOID12A) meters. Eighty-five DEMs, based on a 2-kilometer (km) by 2-km tiling scheme, cover the entire survey area. These lidar data are available to Federal, State and local governments, emergency-response officials, resource managers, and the general public.

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier USGS:819000f1-7a14-4cd5-bbea-d42e1f0b7636
metadata_type geospatial
modified 20201013
old-spatial -89.207247, 29.465167, -88.030572, 30.289239
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash 514825537ce5b6c983b123196614097bdae7bfcb
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-89.207247, 29.465167], [-89.207247, 30.289239], [ -88.030572, 30.289239], [ -88.030572, 29.465167], [-89.207247, 29.465167]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • alabama
  • altimetry
  • amerigeo
  • amerigeoss
  • bare-earth
  • barrier-islands
  • bathymetry-and-elevation
  • breton-island
  • chandeleur-islands
  • ckan
  • coastal-processes-gt-beaches
  • dauphin-island
  • dem
  • digital-elevation-model
  • digital-elevation-models
  • distributions
  • doi-usgs-cmg-gt-coastal-and-marine-geology-u-s-geological-survey-u-s-department-of-interior
  • elevation-data
  • geo
  • geoss
  • grand-gosier-island
  • gulf-of-mexico
  • gulf-of-mexico-barrier-islands
  • hydrology
  • land-surface-gt-topography-gt-terrain-elevation
  • laser-altimetry
  • lidar
  • lidar-gt-light-detection-and-ranging
  • louisiana
  • model
  • national
  • north-america
  • ocean-gt-coastal-processes-gt-barrier-islands
  • remote-sensing
  • stake-island
  • topographic-mapping
  • topography
  • united-states
  • usgs-819000f1-7a14-4cd5-bbea-d42e1f0b7636
isopen False
license_id notspecified
license_title License not specified
maintainer Nathaniel Plant
maintainer_email nplant@usgs.gov
metadata_created 2025-11-22T09:28:34.891935
metadata_modified 2025-11-22T09:28:34.891939
notes A topographic lidar survey was conducted on July 12-14, 2013 over Dauphin Island, Alabama and Chandeleur, Stake, Grand Gosier and Breton Islands, Louisiana. 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. Photo Science, 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 Universal Transverse Mercator (UTM), Zone 16, North American Datum (NAD) 1983, meters (m) coordinates. Their vertical datum is NAVD88 (GEOID12A) meters. Eighty-five DEMs, based on a 2-kilometer (km) by 2-km tiling scheme, cover the entire survey area. These lidar data are available to Federal, State and local governments, emergency-response officials, resource managers, and the general public.
num_resources 2
num_tags 39
title Topographic Lidar Survey of Dauphin Island, Alabama and Chandeleur, Stake, Grand Gosier and Breton Islands, Louisiana, July 12-14, 2013 -- Bare Earth Digital Elevation Models (DEMs)