2017 OLC Lidar: John Day, OR
OCM Partners
Data Set
(DS)
| ID: 58202
| Published / External
Created: 2019-11-12
|
Last Modified: 2023-10-17
Project (PRJ) | ID: 49401
ID: 58202
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | 2017 OLC Lidar: John Day, OR |
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Short Name | or2017_john_day_m8921_metadata |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2017-12-08 |
* » Abstract |
Geographic Extent: OLC John Day 3DEP 2017 Buffered Project Area, covering approximately 702,005 acres. Data set Description: The OLC John Day 3DEP 2017 LiDAR project called for the Planning, Acquisition, processing and derivative products of LIDAR data to be collected at a nominal pulse spacing (NPS) of 0.35 m. Project specifications are based on the U.S. Geological Survey National Geospatial Program LIDAR Base Specification, Version 1.2. The data were developed based on the UTM 11N projection; horizontal datum of NAD83 (2011), meters and vertical datum of NAVD88 Geoid 12B, meters. LiDAR data was delivered in RAW flight line swath format, processed to create Classified LAS 1.4 Files formatted to 0.075 USGS Quadrangle tiles, and Hydro-flattened Bare Earth DEMs tiled to 7.5 minute USGS quadrangles, and Bridge and Hydro Flattening Breaklines in ESRI File-Geodatabase format.
Ground Conditions: LiDAR was collected in 2017, while no snow was on the ground and rivers were at or below normal levels. In order to post process the LiDAR data to meet task order specifications, Quantum Spatial established a total of 3,437 control points that were used to calibrate the LIDAR to known ground locations established throughout the OLC John Day 3DEP 2017 project area. In addition to these lidar point data, the bare earth Digital Elevation Models (DEM) created from the lidar point data and the breakline data are also available. These data are available for download at the links provided in the URL section of this metadata record. |
* Purpose |
Classified LAS files are used to show the manually reviewed bare earth surface. This allows the user to create Intensity Images, Breaklines and Raster DEM. These raw lidar point cloud data were used to create classified lidar LAS files, intensity images, 3D breaklines, hydro-flattened DEMs as necessary. |
Notes | |
Other Citation Details | |
• Supplemental Information |
CONTRACTOR: Quantum Spatial, Inc. Ground Control Points were acquired and calibrated by Quantum Spatial, Inc. All Lidar data acquisition, calibration, and follow-on processing were completed by the prime contractor.
The following are the USGS lidar fields in JSON: {
"ldrinfo" : {
"ldrspec" : "U.S. Geological Survey National Geospatial Program LIDAR Base Specification, Version 1.2", "ldrsens" : "Leica ALS80", "ldrmaxnr" : "unlimited", "ldrnps" : "0.35 m", "ldrdens" : "8 PPSM", "ldranps" : "0.35 m", "ldradens" : "8 PPSM", "ldrfltht" : "1500 m", "ldrfltsp" : "140 kts", "ldrscana" : "30 degrees", "ldrscanr" : "58.4 Hz", "ldrpulsr" : "369.2 kHz", "ldrpulsd" : "3 ns", "ldrpulsw" : "0.25 m", "ldrwavel" : "1064 nm", "ldrmpia" : "1", "ldrbmdiv" : "0.25 mrad", "ldrswatw" : "804 m", "ldrswato" : "60%", "ldrcrs" : "North American Datum of 1983 (2011)", "ldrgeoid" : "NAVD88 Geoid 12B" }, "ldraccur" : {
"ldrchacc" : "0.05 m", "rawnva" : "0.065 m", "rawnvan" : "61" }, "lasinfo" : {
"lasver" : "1.4", "lasprf" : "PF 6", "laswheld" : "Withheld points are identified as aerial disturbance, low ground noise and atmospheric disturbances.", "lasolap" : "Swath overage points are described as one degree to either side of overlapping swath boundaries.", "lasintr" : "12 bits", "lasclass" : {
"clascode" : "1", "clasitem" : "Processed, but Unclassified" }, "lasclass" : {
"clascode" : "2", "clasitem" : "Bare earth ground" }, "lasclass" : {
"clascode" : "7", "clasitem" : "Low Noise" }, "lasclass" : {
"clascode" : "9", "clasitem" : "Water" }, "lasclass" : {
"clascode" : "10", "clasitem" : "Ignored Ground Near Breakline" }, "lasclass" : {
"clascode" : "17", "clasitem" : "Bridge Decks" }, "lasclass" : {
"clascode" : "18", "clasitem" : "High Noise" } }} |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION |
ISO 19115 Topic Category | elevation |
LiDAR, 3DEP, DEM, Raster, LAS | Elevation data |
LiDAR, 3DEP, DEM, Raster, LAS | Hydrology |
LiDAR, 3DEP, DEM, Raster, LAS | LAS Point Cloud |
LiDAR, 3DEP, DEM, Raster, LAS | Lidar |
LiDAR, 3DEP, DEM, Raster, LAS | model |
LiDAR, 3DEP, DEM, Raster, LAS | remote sensing |
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 > OREGON |
Global Change Master Directory (GCMD) Location Keywords | VERTICAL LOCATION > LAND SURFACE |
Stratum Keywords
Thesaurus | Keyword |
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Instrument Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Instrument Keywords | LIDAR > Light Detection and Ranging |
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 | None Planned |
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 Quantum Spatial, Inc, USGS, the Oregon Lidar Consortium (OLC), DOGAMI, NOAA, the Office for Coastal Management or its partners. |
Data Set Credit | Quantum Spatial, Inc. flew the LiDAR and processed the data. |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2019 |
Date Effective To | |
Organization | Office for Coastal Management (OCM) |
Address |
2234 South Hobson Avenue Charleston, SC 29405-2413 |
Email Address | |
Phone | |
Fax | |
Mobile | |
URL | https://www.coast.noaa.gov/ |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2019 |
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 | 2019 |
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 | 2019 |
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 |
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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 | -120.251476 |
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* » E° Bound | -118.55174 |
* » N° Bound | 45.25266 |
* » S° Bound | 44.113847 |
* » Description |
Extent Group 1 / Vertical Extent
EPSG Code | |
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Vertical Minimum | |
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Extent Group 1 / Time Frame 1
* » Time Frame Type | Range |
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* » Start | 2017-06-14 |
End | 2017-07-09 |
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Description |
Spatial Information
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Level of Detail Description |
Spatial Representation
Grid Representation Used? | No |
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Vector Representation Used? | Yes |
Text / Table Representation Used? | No |
TIN Representation Used? | No |
Stereo Model Representation Used? | No |
Video Representation Used? | No |
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Point Object Present? | Yes |
Point Object Count | 52258716166 |
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Reference Systems
Reference System
EPSG Code | EPSG:6319 | ||||||||||||||||||||||||||||
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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 |
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 | |
Metadata Use Constraints |
Distribution Information
Start Date | 2019-11-12 |
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End Date | Present |
» Download URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=8921 |
Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2019 - 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 | 2019-11-12 |
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End Date | Present |
» Download URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/8921/index.html |
Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2019 - 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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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/geoid12b/8921/supplemental/or2017_john_day_m8921.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/geoid12b/8921/supplemental/OLC_JOHN_DAY_3DEP_2017.pdf |
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Name | Dataset report |
URL Type | Online Resource |
File Resource Format | |
Description |
Link to data set report. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/8921/breaklines/index.html |
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Name | |
URL Type | Online Resource |
File Resource Format | |
Description |
Link to breakline data. |
URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=8922 |
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Name | |
URL Type | Online Resource |
File Resource Format | |
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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Activity Log
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Technical Environment
Description |
Inertial Explorer Version 8.7, Leica CloudPro Version 1.2.4, Microstation Version 8.0, TerraScan Version 17, TerraModeler Version 17, TerraMatch Version 17, ESRI ArcGIS 10.3.1, Windows 7 Operating System |
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Data Quality
Representativeness | |
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Accuracy | |
Analytical Accuracy | |
Horizontal Positional Accuracy | |
Vertical Positional Accuracy |
LAS data from the OLC John Day 3DEP 2017 project was compared to independent survey control points to determine the NVA of the LAS Swath and of the Bare Earth DEM. LAS Swath NonVegetated Vertical Accuracy (NVA) Tested 0.065 meter non-vegetated vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.033 meter (RMSEz) x 1.96000 as defined by the National Standards for Spatial Data Accuracy (NSSDA); assessed and reported against 61 NVA points using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the TIN. Swath points flagged as withheld were not included in the accuracy test. Bare earth DEM Non-vegetated Vertical Accuracy (NVA) tested 0.074 meter non-vegetated vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.038 meter (RMSEz) x 1.96000 as defined by the National Standards for Spatial Data Accuracy (NSSDA); assessed and reported against 61 NVA points using National Digital Elevation Program (NDEP)/ASPRS Guidelines and tested against the DEM.
Vegetated Vertical Accuracy (VVA): The required accuracy of the VVA at the 95th percentile according to specification is 0.294 meter. The VVA tested 0.251 meter at the 95th percentile using National Digital Elevation Program (NDEP)/ASPRS Guidelines against the DEM using 45 VVA points. |
Quantitation Limits | |
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Analytical Precision | |
Field Precision | |
Sensitivity | |
Detection Limit | |
Completeness Report |
Datasets contain complete coverage of tiles. No points have been removed or excluded. A visual qualitative assessment was performed to ensure data completeness. There are no void areas or missing data. The raw point cloud is of good quality and data passes Nonvegetated Vertical Accuracy specifications. |
Conceptual Consistency |
Classified LAS files were tested by Quantum Spatial for both vertical and horizontal accuracy. All data is seamless from one tile to the next, no gaps or no data areas. |
» 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 |
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Sources
Citation Title | Lidar RAW Data for OLC John Day 3DEP 2017 2017 |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | Quantum Spatial, Inc. |
Publish Date | 2017-12-08 |
Extent Type | Range |
Extent Start Date/Time | 2017-06-14 |
Extent End Date/Time | 2017-07-09 |
Scale Denominator | |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
This data source was used to populate the lidar point cloud data. |
Citation Title | Survey Report of LiDAR Ground Control Points: OLC John Day 3DEP 2017 LiDAR |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | Quantum Spatial, Inc. |
Publish Date | 2017-12-08 |
Extent Type | Discrete |
Extent Start Date/Time | 2017 |
Extent End Date/Time | |
Scale Denominator | |
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Source Contribution |
This data source was used (along with the airborne GPS/IMU Data) to aid in the georeferencing of the lidar point cloud data. |
Citation Title | Survey Report of LiDAR Quality Control Points: OLC John Day 3DEP 2017 LiDAR |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | Quantum Spatial, Inc. |
Publish Date | 2017-12-08 |
Extent Type | Discrete |
Extent Start Date/Time | 2017 |
Extent End Date/Time | |
Scale Denominator | 50 |
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Source Contribution |
This data source was used (along with the lidar intensity imagery) to QC and vertically adjust the lidar point cloud data. |
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Process Steps
Process Step Number | 1 |
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» Description |
Classified LAS Processing: The bare earth surface is then manually reviewed to ensure correct classification on the Class 2 (Ground) points. After the bare-earth surface is finalized, it is then used to generate all hydro-breaklines through heads-up digitization. All ground (ASPRS Class 2) LiDAR data inside of the Lake Pond and Double Line Drain hydro flattening breaklines were then classified to water (ASPRS Class 9) using TerraScan macro functionality. A buffer of 0.35 meter was also used around each hydro-flattened feature to classify these ground (ASPRS Class 2) points to Ignored ground (ASPRS Class 10). All Lake Pond Island and Double Line Drain Island features were checked to ensure that the ground (ASPRS Class 2) points were reclassified to the correct classification after the automated classification was completed. All overlap data was processed through automated functionality provided by TerraScan to classify the overlapping flight line data to approved classes by USGS. The overlap data was classified to Class 129 using the Overlap Classification Bit. These classes were created through automated processes only and were not verified for classification accuracy. All data was manually reviewed and any remaining artifacts removed using functionality provided by TerraScan and TerraModeler. Global Mapper was used as a final check of the bare earth dataset. GeoCue was then used to create the deliverable industry-standard LAS files for both the All Point Cloud Data and the Bare Earth. Quantum Spatial proprietary software was used to perform final statistical analysis of the classes in the LAS files, on a per tile level to verify final classification metrics and full LAS header information. |
Process Date/Time | 2017-07-10 00:00:00 |
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Process Step Number | 2 |
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» Description |
The NOAA Office for Coastal Management (OCM) received 5470 lidar point cloud files in laz format from DOGAMI. The files contained lidar elevation and intensity measurements. The data were in UTM Zone 11N (NAD83 2011), meters coordinates and NAVD88 (Geoid12B) elevations in meters. The data were classified as: 1-Unclassified, 2-Ground, 7-Low Noise, 9-Water, 10-Ignored Ground, 17-Bridge Decks, 18-High Noise. OCM processed all classifications of points to the Digital Coast Data Access Viewer (DAV). Classes available on the DAV are: 1, 2, 7, 9, 10, 17, 18. OCM performed the following processing on the data for Digital Coast storage and provisioning purposes: 1. An internal OCM script was run to check the number of points by classification and by flight ID and the gps and intensity ranges. 2. Internal OCM scripts were run on the laz files to convert from orthometric (NAVD88) elevations to ellipsoid elevations using the Geoid 12B model, to convert from UTM Zone 11N (NAD83 2011), meters coordinates to geographic coordinates, to assign the geokeys, to sort the data by gps time, and zip the data to database and to http. |
Process Date/Time | 2019-11-08 00:00:00 |
Process Contact | Office for Coastal Management (OCM) |
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Acquisition Information
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Item Type | Relationship Type | Title |
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Data Set (DS) | Cross Reference |
2017 OLC Lidar DEM: John Day, OR |
Catalog Details
Catalog Item ID | 58202 |
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Metadata Record Created By | Rebecca Mataosky |
Metadata Record Created | 2019-11-12 16:49+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 |
Tags |
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