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Short Citation:
OCM Partners, 2022: 2006 USACE Topobathy Lidar: Lake Michigan (IN), Lake Erie (OH,PA), Lake Huron (MI), https://www.fisheries.noaa.gov/inport/item/50058.

Item Identification

Title: 2006 USACE Topobathy Lidar: Lake Michigan (IN), Lake Erie (OH,PA), Lake Huron (MI)
Short Name: usace2006_gl_m40_metadata
Status: Completed
Publication Date: 2007-03-22
Abstract:

The U.S. Army Corps of Engineers collects and maintains LiDAR data including orthophotos in coastal areas of the United States and its territories. The Corps acquires this data in the course of performing its mission of Flood Control, Navigation, Environmental Engineering, and support for the Army and others. These data were collected along the Indiana, Michigan, Ohio and Pennsylvania coasts of the Great Lakes using the CHARTS (Compact Hydrographic Airborne Rapid Total Survey) system and industry based coastal mapping and charting systems.

Original contact information:

Contact Org: NOAA Office for Coastal Management

Phone: 843-740-1202

Email: coastal.info@noaa.gov

Purpose:

The purpose of this survey was to collect topographic and hydrographic elevations to obtain the existing conditions

of the beach and near shore in support of the Joint Airborne LiDAR Bathymetric Technical Center of Expertise National

Coastal Mapping Program. However, depths were not attained in many areas due to water clarity.

Notes:

10702

Keywords

Theme Keywords

Thesaurus Keyword
ISO 19115 Topic Category
elevation

Temporal Keywords

Thesaurus Keyword
UNCONTROLLED
None June 2006
None September 2006

Physical Location

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

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: As Needed
Entity Attribute Overview:

Lidar points in LAZ format Classed as 1,2,11

Entity Attribute Detail Citation:

none

Distribution Liability:

Any conclusions drawn from the analysis of this information are not the responsibility of the US Army Corp of Engineers,

the Joint Airborne Lidar Bathymetry Center of Expertise(JALBTCX), NOAA, the Office for Coastal Management or it's partners.

Data Set Credit: Acknowledgment of JALBTCX would be appreciated in any publications or derived products.

Support Roles

Data Steward

CC ID: 688728
Date Effective From: 2007-03-22
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: 688730
Date Effective From: 2007-03-22
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: 688731
Date Effective From: 2007-03-22
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: 688729
Date Effective From: 2007-03-22
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: 1135971
W° Bound: -87.2
E° Bound: -79.98
N° Bound: 44.08
S° Bound: 41.37

Extent Group 1 / Time Frame 1

CC ID: 1135970
Time Frame Type: Range
Start: 2006-06-14
End: 2006-09-26

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:

https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=40;

Data Access Constraints:

None

Data Use Constraints:

Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no

longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of

it's limitations.

Distribution Information

Distribution 1

CC ID: 742832
Download URL: https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=40
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: 742833
Download URL: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/40/index.html
Distributor:
File Name: Bulk Download
Description:

Simple download of data files.

URLs

URL 1

CC ID: 742835
URL: https://coast.noaa.gov/dataviewer
URL Type:
Online Resource

URL 2

CC ID: 742836
URL: https://coast.noaa.gov
URL Type:
Online Resource

Activity Log

Activity Log 1

CC ID: 688754
Activity Date/Time: 2016-05-23
Description:

Date that the source FGDC record was last modified.

Activity Log 2

CC ID: 688753
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: 718662
Activity Date/Time: 2018-02-08
Description:

Partial upload of Positional Accuracy fields only.

Activity Log 4

CC ID: 742834
Activity Date/Time: 2018-03-13
Description:

Partial upload to move data access links to Distribution Info.

Data Quality

Accuracy:

N/A

Horizontal Positional Accuracy:

The data has been collected and compiled to meet the +/- 3 m (2 sigma) accuracy specification.; Quantitative Value: 3.0 meters, Test that produced the value: Compiled to meet

Vertical Positional Accuracy:

The data has been collected and compiled to meet the +/- 30 cm (2 sigma) accuracy specification.; Quantitative Value: 0.3 meters, Test that produced the value: Compiled to meet

Completeness Report:

See Process Step

Conceptual Consistency:

N/A

Lineage

Sources

2006 USACE National Coastal Mapping Program, Great Lakes Topo/Bathy LiDAR

CC ID: 1135963
Extent Type: Discrete
Extent Start Date/Time: 2006-09-25
Source Contribution:

Fugro Pelagos, Inc. | Type of Source Media: Electronic Mail System

Process Steps

Process Step 1

CC ID: 1135964
Description:

Acquisition - Data were acquired using a SHOALS-1000T. Sensor orientation was measured using a POS AV 410, while

images were acquired at 1Hz using a Duncantech DT4000 digital camera. Prior to survey PDOP was checked and missions

planned to avoid PDOP greater than 3.5. During survey the plane was always within 30km of a GPS ground control point,

to provide a good quality position solution. Final positions were determined using a post-processed inertially aided

Kinematic GPS (KGPS) solution. GPS ground control data were acquired at 1Hz.

Data received by the airborne system were continually monitored for data quality during acquisition operations. Display

windows showed coverage and information about the system status. In addition, center waveforms at 5Hz were shown. All

of this information allowed the airborne operator to assess the quality of data being collected.

The data were collected and processed in geographic coordinates and ellipsoid heights. The positions are

relative to NAD83 in decimal degrees of longitude and latitude. The heights were converted from ellipsoid

to geoid heights (NAVD88) using the Geoid03 model with the results in meters.

Data were processed in the field to verify coverage and data quality.

Process Step 2

CC ID: 1135965
Description:

Processing - Data were processed using the SHOALS Ground Control System (GCS). The GCS includes links to Applanix POSPac

software for GPS and inertial processing, and IVS Fledermaus software for data visualization, 3D editing and tie-line

analysis. Data were processed in NAD83 horizontal and vertical datum. Data were later converted to the NAVD88 vertical

datum using the GEOID03 model. The date and time of each point are also MM:SS.SSSSSS.

Fugro in-house utilities were used to extract XYZ data from the native LiDAR files and split the data in to pre-defined

boxes, each covering approximately 5km of shoreline. ASCII files include: Longitude, Latitude, Elevation, Date, Time,

and Intensity.

Process Step 3

CC ID: 1135966
Description:

Files converted to LDART LAS format (geographic coords, ellipsoid heights,using GEOID03),

sorted by latitude and filtered to eliminate outliers.

Process Date/Time: 2007-06-15 00:00:00

Process Step 4

CC ID: 1135967
Description:

Times had originally been stored as POSIX seconds when converted to LAS. This was switched to adjusted GPS time (GPS seconds - 1e9) to conform to the LAS 1.2 standard.

Process Date/Time: 2014-01-09 00:00:00

Process Step 5

CC ID: 1135968
Description:

NOAA OCM received the data in LAS v1.2 format. For data storage and Digital Coast provisioning purposes, the data were processed as follows:

1. Heights were converted Ellipsoid heights, horizontal coordinates were converted to geographic coordinates.

2. lastools's Lasground processed the all unclassifed points to have ground classified points as well.

3. LAS files were converted to LAZ and sorted.

Process Date/Time: 2013-07-01 00:00:00

Catalog Details

Catalog Item ID: 50058
GUID: gov.noaa.nmfs.inport:50058
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