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Summary
Item Identification
Keywords
Physical Location
Data Set Info
Support Roles
Extents
Spatial Info
Access Info
Distribution Info
URLs
Tech Environment
Data Quality
Data Management
Lineage
Catalog Details

Summary

Browse graphic

Short Citation
OCM Partners, 2024: 2017 OLC Lidar: Big Windy, OR, https://www.fisheries.noaa.gov/inport/item/58750.
Full Citation Examples

Abstract

This dataset represents the Oregon LiDAR Consortium Big Windy project area. The dataset encompasses 131,357 acres in Josephine, Douglas, and Curry Counties, Oregon. The nominal pulse density is eight pulses per square meter. The native projection is Oregon Statewide Lambert, Lambert Conformal Conic, units are in international feet. The native horizontal datum is NAD83(2011) and the native vertical datum is NAVD88 (Geoid 12B). Quantum Geospatial Inc. collected the lidar and created this dataset for the Oregon Department of Geology and Mineral Industries (DOGAMI).

OCM received 472 LAZ files from the Oregon Lidar Consortium and processed them to the Data Access Viewer (DAV) as well as html. Additionally, bare-earth DEM files at 3-foot horizontal resolution are available and may be found in the Related Items section below.

Distribution Information

  • 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.

  • LAS/LAZ - LASer

    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.

Access Constraints:

None

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be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions.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.

Controlled Theme Keywords

COASTAL BATHYMETRY, COASTAL ELEVATION, elevation, TERRAIN ELEVATION

Child Items

No Child Items for this record.

Contact Information

Point of Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202

Metadata Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202

Extents

Geographic Area 1

-123.91° W, -123.4° E, 42.9° N, 42.5° S

Time Frame 1
2017-06-18 - 2017-06-21

LIdar collection dates

Item Identification

Title: 2017 OLC Lidar: Big Windy, OR
Status: Completed
Creation Date: 2020-02-03
Abstract:

This dataset represents the Oregon LiDAR Consortium Big Windy project area. The dataset encompasses 131,357 acres in Josephine, Douglas, and Curry Counties, Oregon. The nominal pulse density is eight pulses per square meter. The native projection is Oregon Statewide Lambert, Lambert Conformal Conic, units are in international feet. The native horizontal datum is NAD83(2011) and the native vertical datum is NAVD88 (Geoid 12B). Quantum Geospatial Inc. collected the lidar and created this dataset for the Oregon Department of Geology and Mineral Industries (DOGAMI).

OCM received 472 LAZ files from the Oregon Lidar Consortium and processed them to the Data Access Viewer (DAV) as well as html. Additionally, bare-earth DEM files at 3-foot horizontal resolution are available and may be found in the Related Items section below.

Purpose:

This dataset provides high resolution elevation data that is used to produce three-dimensional models of the earth surface for the purpose of managing natural resources and mapping natural hazards.

Supplemental Information:

The data were collected for the Oregon Department of Geology and Mineral Industries by Quantum Spatial Inc. under State of Oregon Agency-Specific Price Agreement 7525. The price agreement specifies in Section 2.2 that the Quantum Spatial Inc. provide classified LAS files, intensity grids, digital elevation models (DEMs), digital surface models (DSMs), vector files, and a survey report.

The following are the USGS lidar fields in JSON:

{

"ldrinfo" : {

"ldrspec" : "Exhibit A of Amendment 7 to Price Agreement 7525",

"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" : "40 degrees",

"ldrscanr" : "52.0 Hz",

"ldrpulsr" : "357.2 kHz",

"ldrpulsd" : "3 ns",

"ldrpulsw" : "0.25 m",

"ldrwavel" : "1064 nm",

"ldrmpia" : "1",

"ldrbmdiv" : "0.25 mrad",

"ldrswatw" : "1092 m",

"ldrswato" : "60%",

"ldrgeoid" : "Geoid 12A"

},

"ldraccur" : {

"ldrchacc" : "0.5",

"rawnva" : "0.092 m",

"rawnvan" : "172"

},

"lasinfo" : {

"lasver" : "1.2",

"lasprf" : "3",

"laswheld" : "Not applicable",

"lasolap" : "Not applicable",

"lasintrz" : "16",

"lasclass" : {

"clascode" : "1",

"clasitem" : "Undetermined/Unclassified"

},

"lasclass" : {

"clascode" : "2",

"clasitem" : "Ground"

}

}}

Keywords

Theme Keywords

Thesaurus Keyword
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
UNCONTROLLED
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus bare earth
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus digital terrain model (DTM)
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus hillshade
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus intensity
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus lidar
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus quadrangle
None beach
None erosion

Spatial Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Location Keywords
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA
Global Change Master Directory (GCMD) Location Keywords
VERTICAL LOCATION > LAND SURFACE
UNCONTROLLED
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus Josephine County
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus North America
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus Oregon
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus USA

Instrument Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Instrument Keywords
LIDAR > Light Detection and Ranging

Platform Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Platform Keywords
Airplane > Airplane

Physical Location

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

Data Set Information

Data Set Scope Code: Data Set
Data Set Type: Elevation
Maintenance Frequency: None Planned
Data Presentation Form: Model (digital)
Distribution Liability:

Users should be aware that temporal changes may have occurred since this dataset was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, surveying, or site specific purposes. Users of this information should review or consult the primary data and information sources to ascertain the usability of the information. Acknowledgement of Oregon Department of Geology and Industries (DOGAMI) would be appreciated for products derived from these data.

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: Oregon Department of Geology and Mineral Industries (DOGAMI)

Support Roles

Data Steward

CC ID: 896170
Date Effective From: 2019
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: 896171
Date Effective From: 2019
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: 896172
Date Effective From: 2019
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: 896173
Date Effective From: 2019
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: 1143671
W° Bound: -123.91
E° Bound: -123.4
N° Bound: 42.9
S° Bound: 42.5

Extent Group 1 / Time Frame 1

CC ID: 1143670
Time Frame Type: Range
Start: 2017-06-18
End: 2017-06-21
Description:

LIdar collection dates

Spatial Information

Spatial Representation

Representations Used

Grid: No
Vector: Yes
Text / Table: No
TIN: No
Stereo Model: No
Video: No

Vector Representation 1

CC ID: 896183
Point Object Present?: Yes
Point Object Count: 10976709378

Access Information

Security Class: Unclassified
Data Access Procedure:

Data is available online for 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.

Distribution Information

Distribution 1

CC ID: 896174
Start Date: 2019-10-21
End Date: Present
Download URL: https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=9010
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.

File Type (Deprecated): Zip
Compression: Zip

Distribution 2

CC ID: 896175
Start Date: 2019-10-21
End Date: Present
Download URL: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9010/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.

File Type (Deprecated): LAZ
Distribution Format: LAS/LAZ - LASer
Compression: Zip

URLs

URL 1

CC ID: 896176
URL: https://coast.noaa.gov/dataviewer/
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 2

CC ID: 896177
URL: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9010/supplemental/extent_2017_BigWindy_m9010.kmz
Name: Browse graphic
URL Type:
Browse Graphic
File Resource Format: KML
Description:

This graphic displays the footprint for this lidar data set.

URL 3

CC ID: 896178
URL: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9010/supplemental/OLC_BigWindy_2017_Report.pdf
Name: Project Report
URL Type:
Online Resource
File Resource Format: PDF
Description:

Link to project report for this dataset as PDF.

Technical Environment

Description:

LiDAR Mapping Suite 2.4, Applanix PosPac 7.1, Microstation Version 8.0, TerraScan Version 16, TerraModeler Version 16, TerraMatch Version 16, ESRI ArcGIS 10.3.1, Windows 7 Operating System

Data Quality

Vertical Positional Accuracy:

State of Oregon Agency-Specific Price Agreement 7525 required that Quantum Spatial Inc. calculate fundamental vertical accuracy of lidar point data by comparing ground control points (GCPs) on flat surfaces in areas where ground classified point resolution is both high, and the ground surface is open, smooth and without vegetation, to a local triangulated irregular network (TIN) surface of ground classified points.

The vertical accuracy was tested using 1,200 ground control points (GCPs). An additional 65 ground survery points were collected and reserved for independent verification, resulting in a non-vegetated vertical accuracy (NVA) of 0.053 meters (5.3 cm), or 0.173 feet. RMSE = 2.7 cm.

Completeness Report:

A visual qualitative assessment was performed to ensure data completeness. No void areas or missing data exist.

Conceptual Consistency:

Data covers the entire area specified for this project.

Data Management

Have Resources for Management of these Data Been Identified?: Yes
Approximate Percentage of Budget for these Data Devoted to Data Management: Unknown
Do these Data Comply with the Data Access Directive?: Yes
Actual or Planned Long-Term Data Archive Location: NCEI-CO
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

Sources

See the acceptance report for this project area.

CC ID: 1143663
Contact Role Type: Originator
Contact Type: Organization
Contact Name: Oregon Department of Geology and Mineral Industries (DOGAMI)
Extent Type: Range
Extent Start Date/Time: 2017-08-27
Extent End Date/Time: 2017-09-11
Source Contribution:

These data were used to assess the vertical accuracy of the LiDAR point cloud data.

See the survey report PDF for this project area.

CC ID: 1143665
Contact Role Type: Originator
Contact Type: Organization
Contact Name: Quantum Spatial, Inc.
Extent Type: Discrete
Extent Start Date/Time: 2017-09-13
Scale Denominator: 50
Source Contribution:

These data was used to classify LiDAR point cloud data.

See the survey report PDF for this project area.

CC ID: 1143664
Contact Role Type: Originator
Contact Type: Organization
Contact Name: Quantum Spatial, Inc.
Extent Type: Discrete
Extent Start Date/Time: 2017-09-11
Scale Denominator: 50
Citation URL: https://quantumspatial.com/
Citation URL Name: Quantum Spatial
Citation URL Description:

Quantum Spatial

Source Contribution:

This data was used, along with GPS/IMU data, to georeference LIDAR point cloud data.

Process Steps

Process Step 1

CC ID: 1143666
Description:

Lidar data acquisition began on June 18th, 2017 and was completed June 21, 2017. The survey utilized the Leica ALS80 laser systems mounted in a Cessna Caravan 208B. Near nadir scan angles were used to increase penetration of vegetation to ground surfaces. Ground level GPS and aircraft IMU were collected during the flight.

Processing.1. Airborne GPS and IMU data were merged to develop a Single Best Estimate (SBET) of the lidar system trajectory for each flight line. Flight lines and data were reviewed to ensure complete coverage of the study area and positional accuracy of the laser points.

2. Laser point return coordinates were computed using ALS Post Processor software and IPAS Pro GPS/INS software, based on independent data from the LiDAR system, IMU, and aircraft.

3. The raw LiDAR file was assembled into flight lines per return with each point having an associated x, y, and z coordinate.

4. Visual inspection of swath to swath laser point consistencies within the study area were used to perform manual refinements of system alignment.

5. Custom algorithms were designed to evaluate points between adjacent flight lines. Automated system alignment was computed based upon randomly selected swath to swath accuracy measurements that consider elevation, slope, and intensities. Specifically, refinement in the combination of system pitch, roll and yaw offset parameters optimize internal consistency.

6. Noise (e.g., pits and birds) was filtered using ALS postprocessing software, based on known elevation ranges and included the removal of any cycle slips.

7. Using TerraScan and Microstation, ground classifications utilized custom settings appropriate to the study area.

8. The corrected and filtered return points were compared to the RTK ground control points collected to verify the vertical and horizontal accuracies.

9. Points were output as laser points, TINed and GRIDed surfaces.

Process Date/Time: 2017-09-11 00:00:00
Source: See the survey report PDF for this project area.

Process Step 2

CC ID: 1143667
Description:

Lidar Post-Processing: The calibrated and controlled lidar swaths were processed using automatic point classification routines in proprietary software. These routines operate against the entire collection (all swaths, all lifts), eliminating character differences between files. Data were then distributed as virtual tiles to experienced lidar analysts for localized automatic classification, manual editing, and peer-based QC checks. Supervisory QC monitoring of work in progress and completed editing ensured consistency of classification character and adherence to project requirements across the entire project. All classification tags were stored in the original swath files. After completion of classification and final QC approval, the NVA and VVA for the project were calculated. Sample areas for each land cover type present in the project were extracted and forwarded to the client, along with the results of the accuracy tests. Upon acceptance, the complete classified lidar swath files were delivered to the client.

Process Date/Time: 2017-09-13 00:00:00

Process Step 3

CC ID: 1143668
Description:

The NOAA Office for Coastal Management (OCM) received 472 lidar point cloud files in laz format from DOGAMI. The files contained lidar elevation and intensity measurements. The data were in Oregon Lambert (NAD83 2011), international feet coordinates and NAVD88 (Geoid12B) elevations in international feet. The data were classified as: 1-Unclassified, 2-Ground. OCM processed all classifications of points to the Digital Coast Data Access Viewer (DAV). Classes available on the DAV are: 1, 2.

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 Oregon Lambert (NAD83 2011), international feet coordinates to geographic coordinates, to convert from vertical units feet to meters, to assign the geokeys, to sort the data by gps time, and zip the data to database and to http.

Process Date/Time: 2019-10-21 00:00:00
Process Contact: NOAA Office for Coastal Management (NOAA/OCM)
Phone (Voice): (843) 740-1202
Email Address: coastal.info@noaa.gov

Catalog Details

Catalog Item ID: 58750
GUID: gov.noaa.nmfs.inport:58750
Metadata Record Created By: Blake Waring
Metadata Record Created: 2020-02-03 15:02+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 Last Review Date: 2022-03-16
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2023-03-16