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2005 US Army Corps of Engineers (USACE) Post-Hurricane Katrina LiDAR: Mississippi and Western Alabama

LiDAR data was acquired for the U.S. Army Corps of Engineers (USACE), Mobile District in September-October 2005 along the coastline of Hancock, Harrison, Jackson counties in Mississippi and Mobile County in Alabama from the land water interface (shoreline) to the north Right of Way of Interstate-10. The LiDAR DEM was delivered as first return, last return, bare earth, and water delivery in LAS format. Contract Number: W91278-04-D-0001/0003 EN. Project Number: C-05-054. Contractor: R&M Consultants, Inc., Anchorage, AK. Subcontractor: Woolpert, Inc., Dayton, OH.

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    Distribution Formats
    • LAZ
    Distributor Distributor information not available
    Point of Contact
    Documentation links not available.
      • publication: 2006-10-16
      Data Presentation Form: Digital image
      Dataset Progress Status Complete
      Data Update Frequency: As needed
      Purpose: The data was initially used to support the U.S. Army Corps of Engineers mission in Debris Removal following Hurricane Katrina, 3D Modeling and Flood Study Analysis.
      Time Period: 2005-09-19  to  2005-10-09
      Spatial Reference System:
      Spatial Bounding Box Coordinates:
      N: 30.787778
      S: 30.14361
      E: -87.992500
      W: -89.688056
      Spatial Coverage Map:
      • Bathymetry/Topography
      • elevation
      • laser
      • topography
      • digital elevation model
      • DEM
      • erosion
      • United States
      • Alabama
      • Mississippi
      • Hancock County
      • Harrison County
      • Jackson County
      • Mobile County
      Use Constraints No constraint information available
      Fees Fee information not available.
      Lineage Statement Lineage statement not available.
      • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
      Processing Steps
      • The NOAA Coastal Services Center (CSC) received files in LAS format. The files contained lidar intensity and elevation measurements. CSC performed the following processing on the data to make it available within the Lidar Data Retrieval Tool (LDART): 1. The las files were sorted by latitude and the las header fields were updated. For data managment purposes, the Coastal Services Center converted the data from NAVD88 elevations to ellipsoid elevations using Geoid 03.
      • The NOAA National Geophysical Data Center (NGDC) received lidar data files via ftp transfer from the NOAA Coastal Services Center. The data are currently being served via NOAA CSC Digital Coast at The data can be used to re-populate the system. The data are archived in LAS or LAZ format. The LAS format is an industry standard for LiDAR data developed by the American Society of Photogrammetry and Remote Sensing (ASPRS); LAZ is a loseless compressed version of LAS developed by Martin Isenburg ( The data are exclusively in geographic coordinates (either NAD83 or ITRF94). The data are referenced vertically to the ellipsoid (either GRS80 or ITRF94), allowing for the ability to apply the most up to date geoid model when transforming to orthometric heights.

      Metadata Last Modified: 2013-05-07

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