2021 NOAA Bathymetric Lidar: Sleeping Bear Dunes National Lakeshore, MI
Office for Coastal Management
Data Set
(DS)
| ID: 66448
| Published / External
Created: 2022-01-21
|
Last Modified: 2023-10-17
Project (PRJ) | ID: 37231
ID: 66448
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | 2021 NOAA Bathymetric Lidar: Sleeping Bear Dunes National Lakeshore, MI |
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Short Name | mi2021_slp_bear_m9446_metadata |
* Status | Completed |
Creation Date | 2021 |
Revision Date | |
• Publication Date | 2022 |
* » Abstract |
Woolpert, Inc. was contracted to acquire and process high-resolution topo-bathy lidar to support mapping and modeling needs at the Sleeping Bear Dunes National Lakeshore (SLBE), which will be used for the creation of new benthic mapping products using the Coastal and Marine Ecological Classification Standard (CMECS). Woolpert sub-contracted NV5 to acquire the lidar data using their HawkEye 4X topo-bathy lidar sensor, to provide high density topo lidar with an ANPS of greater than or equal to 1 pulse per square meter with a vertical accuracy of less than or equal to a 15 cm RMSE for the bathymetric lidar. Woolpert also collected topographic ground control and check points covering some extended survey lines. This dataset is the classified lidar point cloud in LAS v. 1.4 format. collected on August 31 and September 3, 2021 using a Leica HawkEye4X sensor. Classifications are as follows: 1 - Unclassified, 2 - Ground, W7 - Low Point (Noise), 9 - Water Surface Topo, W18 - High Noise, 40 - Bathymetric Point, 41 - Water Surface Bathy, S42 - Derived Water Surface, 43 - Submerged Object, W45 - No Bottom Found At In addition to these lidar point data, the bare earth Digital Elevation Models (DEM) created from the lidar point data are also available. These data are available for custom download at the link provided in the URL section of this metadata record. |
* Purpose |
This project has two primary goals to fill critical gaps in our understanding of benthic habitat within Lake Michigan at Sleeping Bear Dunes National Lakeshore (SLBE). The first goal is the collection of new bathymetric lidar to support multiple agencies including the National Park Service, Michigan Department of Natural Resources, NOAA, and other region partners mapping and modeling needs by expanding existing high resolution bathymetry coverage around SLBE. The second goal is to use this bathymetry in the creation of new benthic mapping products using the Coastal and Marine Ecological Classification Standard (CMECS). |
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• Supplemental Information | |
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Keywords
Theme Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION |
Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > BATHYMETRY > COASTAL BATHYMETRY |
Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > OCEANS > COASTAL PROCESSES > COASTAL ELEVATION |
ISO 19115 Topic Category | elevation |
None | beach |
None | erosion |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA |
Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MICHIGAN |
Global Change Master Directory (GCMD) Location Keywords | VERTICAL LOCATION > LAND SURFACE |
Global Change Master Directory (GCMD) Location Keywords | VERTICAL LOCATION > SEA FLOOR |
Stratum Keywords
Thesaurus | Keyword |
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Instrument Keywords
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Platform Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Platform Keywords | Airplane > Airplane |
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 | Elevation |
• Maintenance Frequency | |
Maintenance Note | |
» Data Presentation Form | Model (digital) |
• 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 NOAA, the Office for Coastal Management or its partners. |
Data Set Credit | NOAA Office for Coastal Management (OCM) |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2022 |
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 | 2022 |
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 | 2022 |
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 | 2022 |
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 |
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URL | https://coast.noaa.gov |
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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 | -86.179879 |
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* » E° Bound | -85.75604 |
* » N° Bound | 45.061938 |
* » S° Bound | 44.941411 |
* » Description |
Extent Group 1 / Vertical Extent
EPSG Code | |
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Extent Group 1 / Time Frame 1
* » Time Frame Type | Range |
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* » Start | 2021-08-31 |
End | 2021-09-03 |
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Spatial Information
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Vector Representation Used? | Yes |
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Access Information
Data License | |
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Data License Statement | |
* » Security Class | Unclassified |
* Security Classification System | |
Security Handling Description | |
• Data Access Policy | |
» Data Access Procedure |
Data is available online for bulk and custom downloads. |
• » 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 its limitations. |
Metadata Access Constraints | |
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Distribution Information
Start Date | 2022-01-21 |
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End Date | Present |
» Download URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=9446/details/9446 |
Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2022 - Present) |
File Name | Customized Download |
Description |
Create custom data files by choosing data area, product type, map projection, file format, datum, etc. A new metadata will be produced to reflect your request using this record as a base. Change to an orthometric vertical datum is one of the many options. |
File Date/Time | |
File Type (Deprecated) | Zip |
Distribution Format | |
File Size | |
Application Version | |
Compression | Zip |
Review Status |
Start Date | 2022-01-21 |
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End Date | Present |
» Download URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9446/index.html |
Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2022 - Present) |
File Name | Bulk Download |
Description |
Bulk download of data files in LAZ format, geographic coordinates, orthometric heights. Note that the vertical datum (hence elevations) of the files here are different than described in this document. They will be in an orthometric datum. |
File Date/Time | |
File Type (Deprecated) | LAZ |
Distribution Format | LAS/LAZ - LASer |
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Compression | Zip |
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Archive Information
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URLs
URL | https://coast.noaa.gov/dataviewer/ |
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Name | NOAA's Office for Coastal Management (OCM) Data Access Viewer (DAV) |
URL Type | Online Resource |
File Resource Format | HTML |
Description |
The Data Access Viewer (DAV) allows a user to search for and download elevation, imagery, and land cover data for the coastal U.S. and its territories. The data, hosted by the NOAA Office for Coastal Management, can be customized and requested for free download through a checkout interface. An email provides a link to the customized data, while the original data set is available through a link within the viewer. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9446/supplemental/mi2021_slp_bear_m9446.kmz |
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Name | Browse graphic |
URL Type | Browse Graphic |
File Resource Format | KML |
Description |
This graphic displays the footprint for this lidar data set. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9446/supplemental/NOAA_SleepingBear_SurveyReport_r1.pdf |
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Name | Lidar Report |
URL Type | Online Resource |
File Resource Format | |
Description |
Lidar survey report detailing the data acquisition, processing, and quality control information. |
URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=9449/details/9449 |
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Name | Custom DEM Download |
URL Type | Online Resource |
File Resource Format | Zip |
Description |
Link to custom download, from the Data Access Viewer (DAV), the raster Digital Elevation Model (DEM) data that were created from this lidar data set. |
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Technical Environment
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Data Quality
Representativeness | |
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Accuracy | |
Analytical Accuracy | |
Horizontal Positional Accuracy | |
Vertical Positional Accuracy |
Absolute vertical accuracy for the lidar points was calculated using the check points. All check points were located on flat surfaces with no vegetation underneath the daily QC line. No check points were used to adjust the lidar data. This dataset was tested to meet 0.032 m RMSEz, equating to 0.063 meters at a 95% confidence interval. |
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» Quality Control Procedures Employed |
Data Management
» Have Resources for Management of these Data Been Identified? | Yes |
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» Approximate Percentage of Budget for these Data Devoted to Data Management | Unknown |
» Do these Data Comply with the Data Access Directive? | Yes |
» 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 | |
» Actual or Planned Long-Term Data Archive Location | NCEI-CO |
» 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? |
Data is backed up to tape and to cloud storage. |
Lineage
» Lineage Statement |
The NOAA Office for Coastal Management (OCM) received the bathymetric lidar data from Woolpert, Inc. for the Sleeping Bear Dunes National Lakeshore project area. |
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Sources
Citation Title | Collected Bathymetric Lidar Data |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | NV5 |
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Citation Title | Processed Bathymetric Lidar Data |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | Woolpert |
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Process Steps
Process Step Number | 1 |
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» Description |
All lidar data were acquired using a Leica HawkEye4X topographic and bathymetric lidar system. The main sensor head, which contains the topographic laser, shallow bathymetric laser and RCD30 camera, was mounted in a Leica PAV100 gyro-stabilized mount integrated with a NovAtel SPAN GNSS and LCI-100C IMU. The deep channel bathymetric sensor head was installed using a separate fixed mount, with its own LCI-100C IMU. Real time navigation and GNSS/IMU data logging was provided by Leica FlightPro software. Lidar data were logged on the Airborne Hydrography, AB (AHAB) operator console. The HE4X provided 300 kHz topographic data, 140 kHz shallow bathymetric data and 40 kHz deep bathymetric data. 4-band 80 MP digital camera imagery was also collected simultaneously with the sensor's RCD-30 camera to assist with editing. Trajectory data were post-processed using NovAtel Inertial Explorer software to provide a tightly coupled precise point position (PPP) and orientation solution. Lidar data were processed in Leica's Lidar Survey Studio (LSS) using calibration data and final processed trajectory information to create an accurately georeferenced lidar point cloud for the entire survey in LAS v1.4 format. All points from the topographic and bathymetric laser include 16-bit intensity values. LAS files from LSS were imported to a Terrascan project where spatial algorithms were used to remove noise and classify bare earth/ground. Manual review was conducted in Terrascan prior to product creation. Woolpert used proprietary in-house scripts to compute project specific correction parameters and normalize the raw bathymetric intensity data for depth. This provides intensities that more closely represent the reflectance of the actual seabed. Corrected values are included in the provided LAS files. During lidar processing any line to line vertical mismatches are removed. Due to the lack of ground control in the survey area, a lidar QC flightline was acquired over the same area for every flight. This line covered ground control on land, out to full bathymetric depth. This line was used to test for accuracy. Interswath or overlap consistency for the topographic laser was assessed in all areas of overlap with slopes of less than 10 degrees. The topographic RMSDz for the project lines is 0.022 m. Interswath or overlap consistency for the bathymetric laser was assessed in all areas of overlap with slopes of less than 10 degrees. The bathymetric RMSDz for the project lines is 0.064 m. All data are provided in NAD83(2011) Epoch 2010.0. All units in meters. All lidar data was transformed to the NAVD88 vertical datum using GEOID18. Delivered LAS Classes include: 1-Unclassified, 2-Ground, W7-Low Point(Noise), 9-Water Surface Topo, W18-High Noise, 40-Bathymetric Point, 41-Water Surface Bathy, S42-Derived Water Surface, 43-Submerged Object, W45-No Bottom Found At. One charted wreck was found during data editing. The approximate location of this wreck is 45 degrees 02'21.6"N, 85 degrees 59'6.5"W and is captured in the anomalies shapefile included with the project deliverables. |
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Process Step Number | 2 |
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» Description |
The NOAA Office for Coastal Management (OCM) received 631 LAS files from Woolpert. The files contained lidar elevation and intensity measurements. The data were in UTM Zone 16N NAD83(2011), meters coordinates and NAVD88 (Geoid18) elevations in meters. OCM performed the following processing on the data for Digital Coast storage and provisioning purposes: 1. Converted from UTM Zone 16N NAD83(2011), meters coordinates to geographic coordinates 2. Converted from NAVD88 elevations to ellipsoid elevations using the Geoid18 model 3. Sorted by gps time 4. Compressed the data using laszip |
Process Date/Time | 2022-01-21 00:00:00 |
Process Contact | Office for Coastal Management (OCM) |
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Acquisition Information
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Child Items
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Related Items
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Data Set (DS) | Cross Reference |
2021 NOAA Bathymetric Lidar DEM: Sleeping Bear Dunes National Lakeshore, MI |
Catalog Details
Catalog Item ID | 66448 |
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Metadata Record Created By | Rebecca Mataosky |
Metadata Record Created | 2022-01-21 16:30+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 | OCM |
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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