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Short Citation:
OCM Partners, 2022: 2005 United States Army Corps of Engineers (USACE) Post-Hurricane Katrina Levee Surveys, https://www.fisheries.noaa.gov/inport/item/50054.

Item Identification

Title: 2005 United States Army Corps of Engineers (USACE) Post-Hurricane Katrina Levee Surveys
Short Name: usace2005_levees_m41_metadata
Status: Completed
Publication Date: 2005-10-15
Abstract:

These topographic data were collected for the U.S. Army Corps of Engineers by a helicopter-mounted LiDAR sensor over the New

Orleans Hurricane Protection Levee System in Louisiana.

Original contact information:

Contact Org: NOAA Office for Coastal Management

Phone: 843-740-1202

Email: coastal.info@noaa.gov

Purpose:

The LiDAR data was collected to assess hurricane Katrina's damage to the levee system.

Notes:

10698

Supplemental Information:

System Specifications - Laser scan rate 50 hertz, laser beams per scan 200, scan rate 10,000 points per second per

laser, scan angle 60 degrees, flight altitude 60 meters AGL, forward speed 15 meters per second.

Keywords

Theme Keywords

Thesaurus Keyword
ISO 19115 Topic Category
elevation
UNCONTROLLED
None Environment/Hazard
None Hurricane
None Katrina
None Levees

Temporal Keywords

Thesaurus Keyword
UNCONTROLLED
None September 2005

Physical Location

Organization: Office for Coastal Management
City: Charleston
State/Province: SC

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: None Planned
Data Presentation Form: Image (digital)
Distribution Liability:

This data was collected for the assessment of hurricane Katrina's damage to the hurricane protection levees. Any conclusions

drawn from analysis of this information are not the responsibility of NOAA, the Office for Coastal Management or it's partners.

Data Set Credit: Acknowledgement of the Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX) would be appreciated in any publications or derived products.

Support Roles

Data Steward

CC ID: 688596
Date Effective From: 2005-10-15
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address: coastal.info@noaa.gov
Phone: (843) 740-1202
URL: https://coast.noaa.gov

Distributor

CC ID: 688598
Date Effective From: 2005-10-15
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address: coastal.info@noaa.gov
Phone: (843) 740-1202
URL: https://coast.noaa.gov

Metadata Contact

CC ID: 688599
Date Effective From: 2005-10-15
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address: coastal.info@noaa.gov
Phone: (843) 740-1202
URL: https://coast.noaa.gov

Point of Contact

CC ID: 688597
Date Effective From: 2005-10-15
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address: coastal.info@noaa.gov
Phone: (843) 740-1202
URL: https://coast.noaa.gov

Extents

Currentness Reference: Ground Condition

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 1135981
W° Bound: -90.049167
E° Bound: -89.352728
N° Bound: 30.147603
S° Bound: 29.269162

Spatial Information

Spatial Representation

Representations Used

Vector: Yes

Access Information

Security Class: Unclassified
Data Access Procedure:

This data can be obtained on-line at the following URL: http://maps.coast.noaa.gov/TCM/

;

Data Access Constraints:

None

Data Use Constraints:

This data was collected for the assessment of Hurricane Katrina's damage to the hurricane protection levees. Users should be aware

that the data depict the heights at the time of the survey and are only accurate for that time. Users should not use this data for

critical applications without a full awareness of it's limitations.

Distribution Information

Distribution 1

CC ID: 742812
Download URL: https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=41
Distributor:
File Name: Customized Download
Description:

Create custom data files by choosing data area, product type, map projection, file format, datum, etc.

Distribution 2

CC ID: 742813
Download URL: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/41/index.html
Distributor:
File Name: Bulk Download
Description:

Simple download of data files.

URLs

URL 1

CC ID: 742815
URL: https://coast.noaa.gov/dataviewer
URL Type:
Online Resource

URL 2

CC ID: 742816
URL: https://coast.noaa.gov
URL Type:
Online Resource

Activity Log

Activity Log 1

CC ID: 688615
Activity Date/Time: 2016-05-23
Description:

Date that the source FGDC record was last modified.

Activity Log 2

CC ID: 688614
Activity Date/Time: 2017-11-14
Description:

Converted from FGDC Content Standards for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details.

Activity Log 3

CC ID: 718658
Activity Date/Time: 2018-02-08
Description:

Partial upload of Positional Accuracy fields only.

Activity Log 4

CC ID: 742814
Activity Date/Time: 2018-03-13
Description:

Partial upload to move data access links to Distribution Info.

Data Quality

Accuracy:

The accuracy of this data set has not been tested. The accuracy of the methodology has been published in Irish, J.L., McClunk,

J.K., Lillycrop, W.J., 2000. Airborne lidar bathymetry: the SHOALS system. PIANC Bulletin, No. 103-2000, 45-53. Vertical accuracy

is believed to be on the order of 15 cm root mean square error. Horizontal accuracy is expected to be on a similar order.

Horizontal Positional Accuracy:

The horizontal accuracy of this dataset was not tested.

Vertical Positional Accuracy:

The vertical accuracy of this dataset was not tested.

Completeness Report:

All elevation data points that appeared to be within a reasonable vertical range were retained, and other points were

thrown away. This filtering process was performed manually.

Conceptual Consistency:

See Process Step

Lineage

Sources

USACE 2005 Post-Hurricane Katrina Levee Surveys

CC ID: 1135978
Publish Date: 2005-10-15
Extent Type: Discrete
Extent Start Date/Time: 2005-09-13
Source Contribution:

This LiDAR dataset was collected for JALBTCX by an independent contractor. | Type of Source Media: Firewire Hard Drive

Process Steps

Process Step 1

CC ID: 1135979
Description:

The NOAA Office for Coastal Management (OCM) received files in ascii format. The files contained LiDAR elevation measurements. The xy data

in the files were in LA State Plane feet and elevations were in US feet. OCM performed the following processing on the data to make

it available within the Digital Coast Data Access Viewer (DAV):

1. Each LiDAR xyz point within the ascii file was reprojected to geographic decimal degrees using GCTP and elevations were converted

from U.S. survey feet to meters. The data were then converted to binary las files. Default values for which there is no corresponding

input were assigned as follows for each las elevation data record: intensity = 0, retn = 1, nret = 1, class = 0.

2. The las files were sorted by latitude and the las header fields were updated.

3. Elevations converted to ellipsoid.

Process Date/Time: 2006-04-12 00:00:00

Catalog Details

Catalog Item ID: 50054
GUID: gov.noaa.nmfs.inport:50054
Metadata Record Created By: Anne Ball
Metadata Record Created: 2017-11-15 15:24+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-08-09 17:11+0000
Metadata Record Published: 2022-03-16
Owner Org: OCMP
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2022-03-16
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2023-03-16