| 2024-2025 NOAA NGS Topobathy Lidar: Appalachia Rivers | referenceSystemInfo|
|---|---|
| (MI_Metadata) fileIdentifier: gov.noaa.nmfs.inport:80155 language: LanguageCode: eng characterSet: (MD_CharacterSetCode) UTF8 hierarchyLevel: (MD_ScopeCode) dataset hierarchyLevelName: Elevation contact: (CI_ResponsibleParty) organisationName: National Geodetic Survey contactInfo: (CI_Contact) phone: (CI_Telephone) voice: (missing) address: (CI_Address) role: (CI_RoleCode) resourceProvider contact: (CI_ResponsibleParty) organisationName: NOAA Office for Coastal Management contactInfo: (CI_Contact) phone: (CI_Telephone) voice: (843) 740-1202 address: (CI_Address) deliveryPoint: 2234 South Hobson Ave city: Charleston administrativeArea: SC postalCode: 29405-2413 country: (missing) electronicMailAddress: coastal.info@noaa.gov onlineResource: (CI_OnlineResource) linkage: https://coast.noaa.gov protocol: WWW:LINK-1.0-http--link name: NOAA Office for Coastal Management Website description: NOAA Office for Coastal Management Home Page function: (CI_OnLineFunctionCode) information role: (CI_RoleCode) pointOfContact dateStamp: DateTime: 2026-08-19T18:32:55 metadataStandardName: ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for imagery and gridded data metadataStandardVersion: ISO 19115-2:2009(E) return to top referenceSystemInfo: (MD_ReferenceSystem) referenceSystemIdentifier: (RS_Identifier) authority: (CI_Citation) title: NAD83(2011) / UTM zone 17N date: (CI_Date) date: 2008-11-12 dateType: (CI_DateTypeCode) publication citedResponsibleParty: (CI_ResponsibleParty) organisationName: European Petroleum Survey Group contactInfo: (CI_Contact) onlineResource: (CI_OnlineResource) linkage: https://apps.epsg.org/api/v1/CoordRefSystem/6346/export/?format=gml role: (missing) code: urn:ogc:def:crs:EPSG:6346 version: 6.18.3 return to top spatialRepresentationInfo: return to top identificationInfo: (MD_DataIdentification) citation: (CI_Citation) title: 2024-2025 NOAA NGS Topobathy Lidar: Appalachia Rivers date: (CI_Date) date: 2026 dateType: (CI_DateTypeCode) creation date: (CI_Date) date: (missing) dateType: (CI_DateTypeCode) publication identifier: (MD_Identifier) authority: (CI_Citation) title: NOAA/NMFS/EDM date: (inapplicable) code: Anchor: InPort Catalog ID 80155 citedResponsibleParty: (CI_ResponsibleParty) organisationName: (inapplicable) contactInfo: (CI_Contact) onlineResource: (CI_OnlineResource) linkage: https://www.fisheries.noaa.gov/inport/item/80155 protocol: WWW:LINK-1.0-http--link name: Full Metadata Record description: View the complete metadata record on InPort for more information about this dataset. function: (CI_OnLineFunctionCode) information role: (inapplicable) citedResponsibleParty: (CI_ResponsibleParty) organisationName: Anchor: National Geodetic Survey contactInfo: (CI_Contact) phone: (CI_Telephone) voice: (missing) address: (CI_Address) deliveryPoint: 1315 East-West Hwy city: Silver Spring administrativeArea: MD postalCode: 20910 country: (missing) electronicMailAddress: (missing) onlineResource: (CI_OnlineResource) linkage: https://geodesy.noaa.gov/ protocol: WWW:LINK-1.0-http--link name: National Geodetic Survey Website description: Website listed for National Geodetic Survey function: (CI_OnLineFunctionCode) information role: (CI_RoleCode) originator citedResponsibleParty: (CI_ResponsibleParty) organisationName: (inapplicable) contactInfo: (CI_Contact) onlineResource: (CI_OnlineResource) linkage: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/entwine/geoid18/14162/ept.json protocol: WWW:LINK-1.0-http--link name: Entwine Point Tile (EPT) description: Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. function: (CI_OnLineFunctionCode) download role: (inapplicable) citedResponsibleParty: (CI_ResponsibleParty) organisationName: (inapplicable) contactInfo: (CI_Contact) onlineResource: (CI_OnlineResource) linkage: https://coast.noaa.gov/lidar/viewer/v/noaapotree.html?r=https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/entwine/geoid18/14162/ept.json protocol: WWW:LINK-1.0-http--link name: 3D Viewer (Potree NOAA) description: Link to view the point cloud, using the Entwine Point Tile (EPT) format, in the 3D Potree viewer. function: (CI_OnLineFunctionCode) download role: (inapplicable) citedResponsibleParty: (CI_ResponsibleParty) organisationName: (inapplicable) contactInfo: (CI_Contact) onlineResource: (CI_OnlineResource) linkage: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/14162/supplemental/2024_NOAA_Chesapeake_Topobathymetric_Lidar_Report_PM_PLS_Signed.pdf protocol: WWW:LINK-1.0-http--link name: Topobathy Lidar Data Report description: Topobathy Lidar Data Report function: (CI_OnLineFunctionCode) download role: (inapplicable) presentationForm: (unknown) abstract: NOAA Appalachia Topobathymetric Lidar data were collected by NV5 using Leica Chiroptera 4X and Leica Chiroptera 5 systems. The data was acquired between 20240907 and 20250805 in 99 missions. The data includes topobathymetric data in a LAS format 1.4, point data record format 6, with the following classifications in accordance with project specifications and the American Society for Photogrammetry and Remote Sensing (ASPRS) classification standards: 1 - Unclassified 1 - Withheld - Edge clip 1 - Overlap Withheld - Unrefracted green data from Chiroptera sensor 2 - Ground 7 - Withheld -Low noise 18 - Withheld - High noise 22 - Temporal exclusion 40 - Bathymetric bottom or submerged topography 41 - Water surface 42 - Synthetic- Chiroptera synthetic water surface 43 - Submerged feature 45 - Water column 46 - Submerged Aquatic Vegetation (SAV) 47 - Withheld - Green Laser Submerged Noise 48 - Submerged Temporal Exclusion - submerged features excluded due to temporal changes The channel bits are mapped as the following: 0 - Chiroptera green shallow laser 1 - Chiroptera synthetic water surface 3 - Chiroptera NIR The user byte is mapped as the following: 10 - Chiroptera green shallow 11 - Chiroptera green shallow 4X 12 - Chiroptera green shallow synthetic 30 - Chiroptera NIR The dataset also includes lidar intensity values, number of returns, return number, time, and scan angle. The horizontal datum for the the provided LAS files is NAD83 (2011), projected in UTM 17N. The vertical datum of the Ellipsoidal height LAS files is in GRS80 ellipsoid heights. This data set contains point cloud data(' in LAZ (compressed LAS) format', ''). The data may have been reprojected or otherwise modified from the original data in an automated process. Disregard projection information in this abstract and refer to the spatial reference section. purpose: This lidar data was required by National Oceanic and Atmospheric Administration (NOAA) and the National Geodetic Survey (NGS), Remote Sensing Division Coastal Mapping Program (CMP) to support national shoreline characterization along stretches of the Allegheny, SW Lake Ontario, Genesee, Clarion, Youghiogheny and Monongahela Rivers in Pennsylvania, New York, and West Virginia. Additionally, data will be utilized to enable accurate and consistent hydrologic flood and weather monitoring in support of the National Water Center's modeling efforts. credit: We request that you credit the National Oceanic and Atmospheric Administration (NOAA) when you use these data in a report, publication, or presentation. The custom download may be cited as National Oceanic and Atmospheric Administration (NOAA) Digital Coast Data Access Viewer. Charleston, SC: NOAA Office for Coastal Management. Accessed 2026-08-21 at https://coast.noaa.gov/dataviewer. status: (MD_ProgressCode) completed pointOfContact: (CI_ResponsibleParty) organisationName: NOAA Office for Coastal Management contactInfo: (CI_Contact) phone: (CI_Telephone) voice: (843) 740-1202 address: (CI_Address) deliveryPoint: 2234 South Hobson Ave city: Charleston administrativeArea: SC postalCode: 29405-2413 country: (missing) electronicMailAddress: coastal.info@noaa.gov onlineResource: (CI_OnlineResource) linkage: https://coast.noaa.gov protocol: WWW:LINK-1.0-http--link name: NOAA Office for Coastal Management Website description: NOAA Office for Coastal Management Home Page function: (CI_OnLineFunctionCode) information role: (CI_RoleCode) custodian resourceMaintenance: (MD_MaintenanceInformation) maintenanceAndUpdateFrequency: (MD_MaintenanceFrequencyCode) notPlanned descriptiveKeywords: (MD_Keywords) keyword: EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION > TOPOGRAPHICAL RELIEF MAPS type: (MD_KeywordTypeCode) theme thesaurusName: (CI_Citation) title: Global Change Master Directory (GCMD) Science Keywords date: (missing) edition: 23.3 descriptiveKeywords: (MD_Keywords) keyword: CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEW YORK keyword: CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > PENNSYLVANIA keyword: CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > WEST VIRGINIA type: (MD_KeywordTypeCode) place thesaurusName: (CI_Citation) title: Global Change Master Directory (GCMD) Location Keywords date: (missing) edition: 23.3 descriptiveKeywords: (MD_Keywords) keyword: LIDAR > Light Detection and Ranging type: (MD_KeywordTypeCode) instrument thesaurusName: (CI_Citation) title: Global Change Master Directory (GCMD) Instrument Keywords date: (missing) edition: 23.3 descriptiveKeywords: (MD_Keywords) keyword: Airplane > Airplane type: (MD_KeywordTypeCode) platform thesaurusName: (CI_Citation) title: Global Change Master Directory (GCMD) Platform Keywords date: (missing) edition: 23.3 descriptiveKeywords: (MD_Keywords) keyword: DOC/NOAA/NOS/NGS > National Geodetic Survey, National Ocean Service, NOAA, U.S. Department of Commerce type: (MD_KeywordTypeCode) dataCentre thesaurusName: (CI_Citation) title: Global Change Master Directory (GCMD) Data Center Keywords date: (CI_Date) date: 2017-04-24 dateType: (CI_DateTypeCode) publication edition: 8.5 citedResponsibleParty: GCMD Landing Page descriptiveKeywords: (MD_Keywords) keyword: NGS Lidar type: (MD_KeywordTypeCode) project thesaurusName: (CI_Citation) title: InPort date: (inapplicable) resourceConstraints: (MD_LegalConstraints) useConstraints: (MD_RestrictionCode) otherRestrictions otherConstraints: This data set was compiled dynamically. It will be removed 10 days after 2026-08-21 from the NOAA system. Cite As: National Geodetic Survey, [Date of Access]: 2024-2025 NOAA NGS Topobathy Lidar: Appalachia Rivers [Data Date Range], https://www.fisheries.noaa.gov/inport/item/80155. resourceConstraints: (MD_Constraints) useLimitation: NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose. resourceConstraints: (MD_LegalConstraints) accessConstraints: (MD_RestrictionCode) otherRestrictions otherConstraints: This data set was compiled dynamically. It will be removed 10 days after 2026-08-21 from the NOAA system. Access Constraints: None resourceConstraints: (MD_LegalConstraints) useConstraints: (MD_RestrictionCode) otherRestrictions otherConstraints: This data set was compiled dynamically. It will be removed 10 days after 2026-08-21 from the NOAA system. 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. resourceConstraints: (MD_LegalConstraints) useLimitation: (MD_RestrictionCode) otherRestrictions otherConstraints: This data set was compiled dynamically. It will be removed 10 days after 2026-08-21 from the NOAA system. Distribution Liability: Any conclusions drawn from the analysis of this information are not the responsibility of NOAA, the National Geodetic Survey, the Office for Coastal Management, or its partners. resourceConstraints: (MD_SecurityConstraints) classification: (MD_ClassificationCode) unclassified classificationSystem: (missing) handlingDescription: (missing) aggregationInfo: (MD_AggregateInformation) aggregateDataSetName: (CI_Citation) title: 2024-2025 NOAA NGS Topobathy Lidar DEM: Appalachia Rivers date: (unknown) identifier: (MD_Identifier) authority: (CI_Citation) title: NOAA/NMFS/EDM date: (inapplicable) code: 80157 associationType: (DS_AssociationTypeCode) crossReference language: eng; US topicCategory: (MD_TopicCategoryCode) elevation environmentDescription: OS Independent extent: (EX_Extent) description: Block 2 geographicElement: (EX_GeographicBoundingBox) westBoundLongitude: -80.48 eastBoundLongitude: -79.82 southBoundLatitude: 38.78 northBoundLatitude: 40.28 temporalElement: (EX_TemporalExtent) extent: TimePeriod: description: | Currentness: Ground Condition beginPosition: 2024-09-07 endPosition: 2024-10-28 extent: (EX_Extent) description: Block 3 geographicElement: (EX_GeographicBoundingBox) westBoundLongitude: -80.03 eastBoundLongitude: -78.84 southBoundLatitude: 39.08 northBoundLatitude: 40.73 temporalElement: (EX_TemporalExtent) extent: TimePeriod: description: | Currentness: Ground Condition beginPosition: 2024-10-04 endPosition: 2025-08-05 extent: (EX_Extent) description: Block 1 geographicElement: (EX_GeographicBoundingBox) westBoundLongitude: -79.28 eastBoundLongitude: -77.87 southBoundLatitude: 41.8 northBoundLatitude: 42.77 temporalElement: (EX_TemporalExtent) extent: TimePeriod: description: | Currentness: Ground Condition beginPosition: 2024-10-10 endPosition: 2024-10-25 extent: (EX_Extent) description: Block 4 geographicElement: (EX_GeographicBoundingBox) westBoundLongitude: -80.17 eastBoundLongitude: -78.63 southBoundLatitude: 40.71 northBoundLatitude: 41.95 temporalElement: (EX_TemporalExtent) extent: TimePeriod: description: | Currentness: Ground Condition beginPosition: 2024-10-09 endPosition: 2025-07-30 supplementalInformation: The NOAA Appalachia Topobathymetric Lidar data includes all lidar returns within the project's buffered boundary. An automated grounding classification algorithm was used to determine bare earth and submerged topography point classification. The automated grounding was followed with manual editing. Classes 2 (ground), 40 (submerged topography), 43 (submerged object), and 46 (submerged aquatic vegetation) were used to create the final DEMs. The full workflow used for this project is documented in the NOAA Appalachia Topobathymetric Lidar final report. return to top distributionInfo: (MD_Distribution) distributionFormat: (MD_Format) name: ZIP version: (missing) fileDecompressionTechnique: Zip distributionFormat: (MD_Format) name: LAS/LAZ - LASer version: (missing) fileDecompressionTechnique: LAZ distributor: (MD_Distributor) distributorContact: (CI_ResponsibleParty) organisationName: NOAA Office for Coastal Management contactInfo: (CI_Contact) phone: (CI_Telephone) voice: (843) 740-1202 address: (CI_Address) deliveryPoint: 2234 South Hobson Ave city: Charleston administrativeArea: SC postalCode: 29405-2413 country: (missing) electronicMailAddress: coastal.info@noaa.gov onlineResource: (CI_OnlineResource) linkage: https://coast.noaa.gov protocol: WWW:LINK-1.0-http--link name: NOAA Office for Coastal Management Website description: NOAA Office for Coastal Management Home Page function: (CI_OnLineFunctionCode) information role: (CI_RoleCode) distributor transferOptions: (MD_DigitalTransferOptions) onLine: (CI_OnlineResource) linkage: https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=14842 protocol: WWW:LINK-1.0-http--link name: Customized Download description: Create custom data files by choosing data area, product type, map projection, file format, datum, etc. function: (CI_OnLineFunctionCode) download transferOptions: (MD_DigitalTransferOptions) onLine: (CI_OnlineResource) linkage: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/14842/index.html protocol: WWW:LINK-1.0-http--link name: Bulk Download description: Simple download of data files. function: (CI_OnLineFunctionCode) download return to top dataQualityInfo: (DQ_DataQuality) scope: (DQ_Scope) level: (MD_ScopeCode) dataset report: (DQ_QuantitativeAttributeAccuracy) nameOfMeasure: Accuracy evaluationMethodDescription: Lidar horizontal accuracy is a function of Global Navigation Satellite System (GNSS) derived positional error, flying altitude, and INS derived attitude error. The obtained RMSEr value is multiplied by a conversion factor of 1.7308 to yield the horizontal component of the National Standards for Spatial Data Accuracy (NSSDA) reporting standard where a theoretical point will fall within the obtained radius 95 percent of the time (ACCr). Absolute accuracy was assessed using Non-Vegetated Vertical Accuracy (NVA) survey methods. Survey check points were evenly distributed as feasible throughout the project area. NVA compares known ground check point data that were withheld from the calibration and post-processing of the lidar point cloud to the triangulated surface generated by the ground classified lidar point cloud. NVA is a measure of the accuracy of lidar point data in open areas with level slope (less than 20°) where the lidar system has a high probability of measuring the ground surface and is evaluated at the 95% confidence interval (1.96*RMSE). Bathymetric topography points were tested separately. result: (missing) report: (DQ_AbsoluteExternalPositionalAccuracy) nameOfMeasure: Horizontal Positional Accuracy evaluationMethodDescription: Block 1: RMSEr is 0.025 meters, with a ACCr of 0.044 meters at the 95% confidence level. Block 2: RMSEr is 0.026 meters, with a ACCr of 0.045 meters at the 95% confidence level. Block 3: RMSEr is 0.013-0.019 meters, with a ACCr of 0.022-0.034 meters at the 95% confidence level. Block 4: RMSEr is 0.013-0.016 meters, with a ACCr of 0.023-0.028 meters at the 95% confidence level. Please refer to the NOAA Appalachia Topobathymetric Lidar final data report for more information on accuracy. result: (missing) report: (DQ_AbsoluteExternalPositionalAccuracy) nameOfMeasure: Vertical Positional Accuracy evaluationMethodDescription: Ground check points were compared against the ground classified lidar point cloud in open terrain for each block. Block 1: NVA tested 0.064 m vertical accuracy at the 95% confidence level using 17 ground check points Block 2: NVA tested 0.108 m vertical accuracy at the 95% confidence level using 30 ground check points Block 3: NVA tested 0.048 m vertical accuracy at the 95% confidence level using 15 ground check points Block 4: NVA tested 0.097 m vertical accuracy at the 95% confidence level using 15 ground check points Bathymetric Topography Accuracy Block 1: tested 0.199 m vertical accuracy at the 95% confidence level using 228 bathymetric check points Block 2: tested 0.178 m vertical accuracy at the 95% confidence level using 997 bathymetric check points Block 3: tested 0.169 m vertical accuracy at the 95% confidence level using 783 bathymetric check points Block 4: tested 0.182 m vertical accuracy at the 95% confidence level using 460 bathymetric check points Please refer to the NOAA Appalachia Topobathymetric Lidar final data report for more information on accuracy. result: (missing) report: (DQ_ThematicClassificationCorrectness) nameOfMeasure: Comparability evaluationMethodDescription: Bathymetric topography checkpoints may occur in depths up to 1m. result: (missing) lineage: (LI_Lineage) statement: (missing) processStep: (LI_ProcessStep) description: Data for the NOAA Appalachia Topobathymetric Lidar area was acquired by NV5 using Leica Chiroptera 4X and Leica Chiroptera 5 topobathymetric lidar systems. All derived Ellipsoidal height LAS data is referenced to: Horizontal Datum-NAD83(2011) epoch: 2010.00 Projection-UTM Zone 17N Horizontal Units-meters Vertical Datums-GRS80 Ellipsoid Vertical Units-meters NOAA provided NV5 with a project boundary for the NOAA Appalachia Topobathymetric Lidar project. Using a 25 meter buffered boundary, NV5 created an airborne lidar acquisition plan. The collected lidar data were immediately processed in the field by NV5 to a level that allows for QA\QC measures to determine if the sensor is functioning properly and assess the coverage of submerged topography. An initial SBET was created using Waypoint Inertial Explorer 8.90, and the raw data were extracted into geo-referenced LAS files using Lidar Survey Studio 3.0 with pre-calculated scanner misalignment angles determined through a boresight protocol. These files were inspected for errors and then passed through an automated workflow, producing rasters to develop an initial assessment of bathymetric coverage. NV5 reviewed all acquired flight lines to ensure complete coverage and positional accuracy of the laser points. These rasters were also used to create an initial product in Quick Look Coverage Maps. These Quick Look files are not fully processed data or final products but provide rapid assessment of approximate coverage and depth penetration. processor: (CI_ResponsibleParty) organisationName: Anchor: National Geodetic Survey role: (CI_RoleCode) processor processStep: (LI_ProcessStep) description: NV5 resolved kinematic corrections for the aircraft Global Navigation Satellite System (GNSS) data using static GPS data from Continuously Operating Reference Stations (CORS) utilizing the Online Positioning User Service (OPUS) for precise positioning. This data was used to correct the continuous on board measurements of the aircraft position recorded throughout the flight. When GNSS was not utilized, kinematic corrections for aircraft position data were corrected using aircraft GNSS and Novatel's proprietary PPP-AR solution. Smoothed best estimate trajectories (SBET) were developed incorporating post-processed aircraft positionings with IMU and when present, gyrostabilized mount data. Using the SBETs, sensor head position and attitude were then calculated throughout the survey. Trimble Business Center v.3.90, Blue Marble Geographic Calculator 2019, and Inertial Explorer v8.9 were used for final SBET creation. processor: (CI_ResponsibleParty) organisationName: Anchor: National Geodetic Survey role: (CI_RoleCode) processor processStep: (LI_ProcessStep) description: Following final SBET creation, NV5 used Leica's Lidar Survey Studio (LSS) to calculate laser point positioning by associating SBET positions to each laser point return time, scan angle, and intensity. LSS was used to derive a synthetic water surface to create a water surface model for refraction correction. Light travels at different speeds in air versus water and its direction of travel or angle is changed or refracted when entering the water column. The refraction tool corrects for this difference by adjusting the depth (distance traveled) and horizontal positioning (change of angle/direction) of the submerged green laser lidar data. All lidar data below water surface models were classified as water column to correct for refraction. Using raster-based QC methods, the output data is verified to ensure the refraction correction operated properly. processor: (CI_ResponsibleParty) organisationName: Anchor: National Geodetic Survey role: (CI_RoleCode) processor processStep: (LI_ProcessStep) description: Once all data was refracted by flight line, the lidar data was exported to LAS 1.4 files (point format 6) and delineated into 500 m x 500 m tiles. Data were then further calibrated using StripAlign and TerraMatch. NV5 used custom algorithms in TerraScan to classify the initial ground/bathymetric bottom points. Relative accuracy of overlapping swaths was compared and verified through the use of Delta-Z (DZ) orthos created using NV5's proprietary software Las Product Creator (LPC). Absolute vertical accuracy of the calibrated data was assessed using ground survey data. processor: (CI_ResponsibleParty) organisationName: Anchor: National Geodetic Survey role: (CI_RoleCode) processor processStep: (LI_ProcessStep) description: Post automated classification NV5 then performed manual editing to review all classification and improve the final topobathymetric surface. NV5's LasMonkey was used to update LAS header information, including all projection and coordinate reference system information. The final lidar data are in LAS format 1.4 and point data record format 6. The final classification scheme is as follows: 1 - Unclassified 1 - Withheld - Edge clip 1 - Overlap Withheld - Unrefracted green data from Chiroptera sensor 2 - Ground 7 - Withheld -Low noise 18 - Withheld - High noise 22 - Temporal exclusion 40 - Bathymetric bottom or submerged topography 41 - Water surface 42 - Synthetic- Chiroptera synthetic water surface 43 - Submerged feature 45 - Water column 46 - Submerged Aquatic Vegetation (SAV) 47 - Withheld - Green Laser Submerged Noise 48 - Submerged Temporal Exclusion - submerged features excluded due to temporal changes processor: (CI_ResponsibleParty) organisationName: Anchor: National Geodetic Survey role: (CI_RoleCode) processor processStep: (LI_ProcessStep) description: The NOAA Office for Coastal Management (OCM) received files in laz format. The files contain lidar elevation and intensity measurements. The LiDAR data were in NAD83(2011) UTM Zone 18N coordinates and ellipsoid elevations in meters. OCM performed the following processing on the data for Digital Coast storage and provisioning purposes: 1. Converted from UTM Zone 19 to geographic coordinates 2. Sorted by gps time and 3. reclassified point data. The final classification scheme is as follows. 1 - Unclassified 2 - Ground 7 - Low Noise 18 - High Noise 22 - Temporal Exclusion 40 - Bathymetric Point 41 - Water Surface 42 - Derived Water Surface 43 - Submerged Object 45 - Water Column 46- Submerged Vegetation 48 - Submerged Temporal Exclusion dateTime: DateTime: 2026-05-15T00:00:00 processor: (CI_ResponsibleParty) organisationName: NOAA Office for Coastal Management contactInfo: (CI_Contact) phone: (CI_Telephone) voice: (843) 740-1202 address: (CI_Address) electronicMailAddress: coastal.info@noaa.gov role: (CI_RoleCode) processor source: (LI_Source) sourceCitation: (CI_Citation) title: Acquisition and Processing date: (missing) citedResponsibleParty: (CI_ResponsibleParty) organisationName: NV5 role: (CI_RoleCode) originator processStep: (LI_ProcessStep) description: The dataset has been mosaiced, reprojected, and clipped as needed from the original input files using PDAL and GDAL commands. dateTime: DateTime: 2026-08-21 processor: (CI_ResponsibleParty) individualName: NOAA Office for Coastal Management contactInfo: (CI_Contact) address: (CI_Address) electronicMailAddress: coastal.info@noaa.gov role: (CI_RoleCode) processor | |