2005 US Army Corps of Engineers (USACE) National Coastal Mapping Program Topo/Bathy Lidar: Delaware, Maryland, New Jersey, New York, North Carolina and Virginia
OCM Partners
Data Set
(DS)
| ID: 50053
| Published / External
Created: 2017-11-15
|
Last Modified: 2023-10-17
Project (PRJ) | ID: 49401
ID: 50053
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | 2005 US Army Corps of Engineers (USACE) National Coastal Mapping Program Topo/Bathy Lidar: Delaware, Maryland, New Jersey, New York, North Carolina and Virginia |
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Short Name | usace2005_ec_m33_metadata |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2006-11-14 |
* » Abstract |
The data contained in these files are hydrographic and topographic data collected by the SHOALS-1000T system along the Delaware, Maryland, New Jersey, New York, North Carolina and Virginia coastline as part of the National Coastal Mapping Program. The lidar data for DE, MD, NJ and VA was collected from 20050824-20050908. The lidar data for NY and NC was collected from 20051001-20051126. Original contact information: Contact Org: NOAA Office for Coastal Management Phone: 843-740-1202 Email: coastal.info@noaa.gov |
* Purpose |
These data were collected as a part of the National Coastal Mapping Program to depict the elevations above and below water for the Delaware, Maryland, New Jersey, New York, North Carolina and Virginia coastal zones. |
Notes |
10697 |
Other Citation Details | |
• Supplemental Information | |
DOI (Digital Object Identifier) | |
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DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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ISO 19115 Topic Category | elevation |
Temporal Keywords
Thesaurus | Keyword |
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None | August 2005 |
None | November 2005 |
None | October 2005 |
None | September 2005 |
* Spatial Keywords
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Physical Location
• » Organization | Office for Coastal Management |
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• » City | Charleston |
• » State/Province | SC |
• Country | |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
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• Data Set Type | |
• Maintenance Frequency | As Needed |
Maintenance Note | |
» Data Presentation Form | |
• Entity Attribute Overview | |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability |
Any conclusions drawn from the analysis of this information are not the responsibility of JALBTCX, NOAA, the Office for Coastal Management or it's partners. |
Data Set Credit | Acknowledgement of the Joint Airborne Lidar Bathymetry Center of Expertise (JALBTCX) would be appreciated in any publications or derived products. |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2006-11-14 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2006-11-14 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2006-11-14 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Point of Contact |
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* » Date Effective From | 2006-11-14 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | |
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* » Date Effective From | |
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* » Contact | |
* Contact Instructions |
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* Contact Instructions |
Extents
Currentness Reference | Ground Condition |
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Extent Group 1
Extent Description |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -78.55 |
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* » E° Bound | -71.86 |
* » N° Bound | 41.07 |
* » S° Bound | 33.84 |
* » Description |
Extent Group 1 / Vertical Extent
EPSG Code | |
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Vertical Minimum | |
Vertical Maximum |
Extent Group 1 / Time Frame 1
* » Time Frame Type | Range |
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* » Start | 2005-08-24 |
End | 2005-11-26 |
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Alternate End As Of Info | |
Description |
Spatial Information
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Spatial Representation
Grid Representation Used? | |
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Vector Representation Used? | Yes |
Text / Table Representation Used? | |
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Video Representation Used? |
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Vector Representation
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Reference Systems
Reference System
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Access Information
Data License | |
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Data License URL | |
Data License Statement | |
* » Security Class | Unclassified |
* Security Classification System | |
Security Handling Description | |
• Data Access Policy | |
» Data Access Procedure |
This data can be obtained on-line at the following URL: https://coast.noaa.gov/ldart ; |
• » 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. Any conclusions drawn from analysis of this information are not the responsibility of NOAA, the Office for Coastal Management, or JALBTCX. |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | 2012 |
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End Date | Present |
» Download URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/33/index.html |
Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2006-11-14 - Present) |
File Name | Bulk Download |
Description |
Simple download of data files. |
File Date/Time | |
File Type (Deprecated) | GeoTIFF |
Distribution Format | GeoTIFF |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | 2007 |
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End Date | Present |
» Download URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=33 |
Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2006-11-14 - Present) |
File Name | Customized Download |
Description |
Create custom data files by choosing data area, product type, map projection, file format, datum, etc. |
File Date/Time | |
File Type (Deprecated) | Zip |
Distribution Format | |
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Application Version | |
Compression | Zip |
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» Download URL | |
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Description | |
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Archive Information
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URL | |
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DOI | |
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URLs
URL | https://coast.noaa.gov/lidar/viewer/v/noaapotree.html?m=33&g=geoid18 |
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Name | Potree viewer |
URL Type | Online Resource |
File Resource Format | app |
Description |
3D viewer for the dataset using the Potree javascript app in a browser. |
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Activity Log
Activity Time | 2016-05-23 |
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Activity Type | |
Responsible Party | |
Description |
Date that the source FGDC record was last modified. |
Activity Time | 2017-11-14 |
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Activity Type | |
Responsible Party | |
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 Time | 2018-02-08 |
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Activity Type | |
Responsible Party | |
Description |
Partial upload of Positional Accuracy fields only. |
Activity Time | 2018-03-13 |
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Activity Type | |
Responsible Party | |
Description |
Partial upload to move data access links to Distribution Info. |
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Issues
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Technical Environment
Description |
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Data Quality
Representativeness | |
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Accuracy |
Data are not attributed. | Quantitative Value: N/A | Quantitative Test Explanation: These data are not attributed. |
Analytical Accuracy | |
Horizontal Positional Accuracy |
FOR DE,MD,NJ,VA DATA: The data positions were obtained using post processed KGPS methods. The horizontal accuracy of the data is better than +/- 0.75m at 1 Sigma. FOR NY,NC DATA: The data positions were obtained using post processed KGPS methods. The horizontal accuracy of the data is better than +/- 3.0 m at 2 Sigma. |
Vertical Positional Accuracy |
FOR DE,MD NJ,VA DATA The data positions were obtained using post processed KGPS methods. The vertical accuracy of the data is better than +/- 0.20m at 1 Sigma. FOR NY,NC DATA The data positions were obtained using post processed KGPS methods. The vertical accuracy of the data is better than +/- 0.30m at 2 Sigma. |
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Bias | |
Comparability | |
Completeness Measure | |
Precision | |
Analytical Precision | |
Field Precision | |
Sensitivity | |
Detection Limit | |
Completeness Report |
These data covered the required survey area with minimal gaps in data coverage. The data postings are very consistent with postings at about 1.3m density. |
Conceptual Consistency |
Lidar data between different flight lines matched within 0.20 meters |
» Quality Control Procedures Employed |
Data Management
» Have Resources for Management of these Data Been Identified? | |
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» Approximate Percentage of Budget for these Data Devoted to Data Management | |
» Do these Data Comply with the Data Access Directive? | |
» Is Access to the Data Limited Based on an Approved Waiver? | |
» If Distributor (Data Hosting Service) is Needed, Please Indicate | |
» Approximate Delay Between Data Collection and Dissemination | |
» If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed |
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» Actual or Planned Long-Term Data Archive Location | |
» If World Data Center or Other, Specify | |
» If To Be Determined, Unable to Archive, or No Archiving Intended, Explain |
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» Approximate Delay Between Data Collection and Archiving | |
» How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
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Lineage
» Lineage Statement |
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Sources
Citation Title | Shoreline Mapping lidar |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | USACE National Coastal Mapping Program |
Publish Date | |
Extent Type | Range |
Extent Start Date/Time | 2005-08-24 |
Extent End Date/Time | 2005-11-26 |
Scale Denominator | |
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Source Contribution |
This is an xyz dataset collected and provided by CESAM-OP-J, JALBTCX. | Source Geospatial Form: globe | Type of Source Media: disc |
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Process Steps
Process Step Number | 1 |
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» Description |
FOR DE,MD,NJ,VA DATA: These data were collected using a SHOALS-1000T system. It is owned and operated by Fugro Pelagos performing contract survey services for the US Army Corps of Engineers. The system collects topographic lidar data at 10kHz and hydrographic data at 1kHz. The system also collects RGB imagery at 1Hz. Aircraft position, velocity and acceleration information are collected through a combination of Novatel and POS A/V equipment. Raw data are collected and transferred to the office for downloading and processing in SHOALS GCS software. The data were collected and processed in geographic coordinates and ellipsoid heights. The positions are provided relative to NAD83 in decimal degrees of longitude and latitude. The heights were converted from ellipsoid to geoid heights (NAVD88) using NGS' Geoid03 model file "g2003u08.bin" with the results in meters. GPS data are processed using POSPac software and the results are combined with the lidar data to produce 3-D positions for each lidar shot. These data are edited using Fledermaus software where anomalous data are removed from the dataset. The edited data are unloaded from SHOALS GCS, converted from ellipsoid to orthometric heights, based on the GEOID03 model, and split into geographic tiles covering approximately 5km each. The process date for this data set is 20060406, which is listed below as the process date for this process step. FOR NY,NC DATA: 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. Data were processed in the field to verify coverage and data quality. 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. 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 Intensity (Topo) or Depth Confidence (Hydro). |
Process Date/Time | 2006-04-22 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | 2 |
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» Description |
The NOAA Office for Coastal Management (OCM) received files in ascii format. The files contained lidar intensity and elevation measurements. OCM performed the following processing on the data to make it available within the Lidar Data Retrieval Tool (LDART): 1. Each hydro/topo last return ascii file was converted to 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. The data were converted to ellipsoid. |
Process Date/Time | 2006-08-01 00:00:00 |
Process Contact | NOAA Office for Coastal Management (NOAA/OCM) |
Phone (Voice) | (843) 740-1202 |
Email Address | coastal.info@noaa.gov |
Source | Shoreline Mapping lidar |
Process Step Number | 3 |
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» 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 Contact | NOAA Office for Coastal Management (NOAA/OCM) |
Phone (Voice) | (843) 740-1202 |
Email Address | coastal.info@noaa.gov |
Source |
Process Step Number | 4 |
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» Description |
The data were classified using programs in the LAStools package. Steps included: 1) conversion to UTM zone 18 1b) reclassification of green laser points above ground (33 meters above the ellipsoid) to unclassified 2) noise classification with a step of 8 3) ground classification with lasground_new 4) height determination with lasheight 5) building and vegetation classification with lasclassify using a step of 4 6) conversion from UTM zone 18 to geographic This was an automated process and manual editing of anomalies was not done. We do know that large buildings are sometimes missed in the building classification and end up as vegetation class. |
Process Date/Time | 2023-04-21 00:00:00 |
Process Contact | NOAA Office for Coastal Management (NOAA/OCM) |
Phone (Voice) | (843) 740-1202 |
Email Address | coastal.info@noaa.gov |
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Acquisition Information
Instruments
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FAQs
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Child Items
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Related Items
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Catalog Details
Catalog Item ID | 50053 |
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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 | 2023-10-17 16:12+0000 |
Metadata Record Published | 2022-03-16 |
Owner Org | OCMP |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2022-03-16 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2023-03-16 |
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