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OCM Partners, 2023: 2014 Oregon Department of Geology and Mineral Industries (DOGAMI) Oregon Lidar: Four Rivers,

Item Identification

Title: 2014 Oregon Department of Geology and Mineral Industries (DOGAMI) Oregon Lidar: Four Rivers
Short Name: or2014_olc_four_rivers_m6359_metadata
Status: Completed
Publication Date: 2017-09-15

WSI has completed the acquisition and processing of Light Detection and Ranging (LiDAR) data and Four-Band Radiometric Image Enhanced Survey (FRIES) of the Oregon LiDAR Consortiums's (OLC) Four Rivers Delivery Area Two, for the Oregon Department of Geology and Mineral Industries (DoGAMI). The OLC's Four Rivers study area encompasses 470,160 acres; Delivery Area One encompasses 80,071 acres, and Delivery Area Two encompasses 390,089 acres. The collection of high resolution geographic data is part of an ongoing pursuit to amass a library of information accessible to government agencies as well as the general public.

LiDAR data collection began on September 10, 2014 and was completed on June 16, 2015. Delivery Area One LiDAR was acquired between September 9, 2014 and October 10, 2014. Delivery Area Two was acquired between October 10, 2014 and October 28, 2014, and the following year between March 17, 2015 and June 16, 2015. Settings for LiDAR data capture produced an average resolution of at least eight pulses per square meter. Orthophoto acquisition occurred between August 28, 2014 and September 4, 2014.

Final products created include LiDAR point cloud data, three-foot digital elevation models of bare earth ground model and highest-hit returns, 1.5 foot intensity rasters, 6-inch orthophotos, ground density rasters, study area vector shapes, and corresponding statistical data. Final deliverables were projected in Oregon Statewide Lambert Conformal Conic. Lidar point clouds were projected back to geographic coordinates for storage in the Digital Coast Data Access Viewer.

Original contact information:

Contact Name: Jacob Edwards

Contact Org: DOGAMI

Phone: 971-673-1557



Provide high resolution terrain elevation data.



Supplemental Information:

A final report for this project may be viewed at:


Theme Keywords

Thesaurus Keyword
ISO 19115 Topic Category
None Bare earth
None Bare ground
None High-resolution
None Light Detection and Ranging

Physical Location

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

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: None Planned
Distribution Liability:

Any conclusions drawn from the analysis of this information are not the responsibility of the Oregon Department of Geology and Mineral Industries (DOGAMI), the Office for Coastal Management or its partners.

Data Set Credit: DOGAMI

Support Roles

Data Steward

CC ID: 683961
Date Effective From: 2017-09-15
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address:
Phone: (843) 740-1202


CC ID: 683963
Date Effective From: 2017-09-15
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address:
Phone: (843) 740-1202

Metadata Contact

CC ID: 683964
Date Effective From: 2017-09-15
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address:
Phone: (843) 740-1202

Point of Contact

CC ID: 683962
Date Effective From: 2017-09-15
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address:
Phone: (843) 740-1202


Currentness Reference: Ground Condition

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 1140137
W° Bound: -118.64706
E° Bound: -117.83858
N° Bound: 44.798794
S° Bound: 43.93264

Extent Group 1 / Time Frame 1

CC ID: 1140136
Time Frame Type: Range
Start: 2014-10-10
End: 2015-06-16

Spatial Information

Spatial Representation

Representations Used

Vector: Yes

Access Information

Security Class: Unclassified
Data Access Procedure:

This data can be obtained on-line at the following URL:


Data Access Constraints:


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


Distribution Information

Distribution 1

CC ID: 742191
Download URL:
File Name: Customized Download

Create custom data files by choosing data area, product type, map projection, file format, datum, etc.

Distribution 2

CC ID: 742192
Download URL:
File Name: Bulk Download

Simple download of data files.



CC ID: 742194
URL Type:
Online Resource


CC ID: 742195
URL Type:
Online Resource

Activity Log

Activity Log 1

CC ID: 683985
Activity Date/Time: 2017-08-21

Date that the source FGDC record was last modified.

Activity Log 2

CC ID: 683984
Activity Date/Time: 2017-11-14

Converted from FGDC Content Standards for Digital Geospatial Metadata (version FGDC-STD-001-1998) using '' script. Contact Tyler Christensen (NOS) for details.

Activity Log 3

CC ID: 718530
Activity Date/Time: 2018-02-08

Partial upload of Positional Accuracy fields only.

Activity Log 4

CC ID: 742193
Activity Date/Time: 2018-03-13

Partial upload to move data access links to Distribution Info.

Data Quality

Horizontal Positional Accuracy:


Vertical Positional Accuracy:

Vertical accuracy statistical analysis uses ground survey points in open areas where the LiDAR system has a "very high probability" that the sensor will measure the ground surface and is evaluated at the 95th percentile. For the Four Rivers Delivery Area Two study area, 4,763 GSPs were collected; a total of 5,452 GSPs were collected for the entire Four River study area. No independent survey data were collected, thus statistics are "Compiled to Meet".

For more information about the vertical accuracy, please refer to the final report, listed above in the Supplemental_Information field

of this metadata record.

; Quantitative Value: 0.02 meters, Test that produced the value: Compiled to meet root mean square error.

Completeness Report:

LiDAR data has been collected and processed for all areas within the project study area.

Conceptual Consistency:

Upon receipt from vendor (WSI), all LiDAR data was independently reviewed by staff from the Oregon Department of Geology and Mineral Industries (DOGAMI) to ensure project specifications were met. All data were inventoried for completeness and data were checked for quality, which included examining LiDAR data for errors associated with internal data consistency, model quality, and accuracy.


Process Steps

Process Step 1

CC ID: 1140133

The LiDAR survey utilized a Leica ALS80 sensor mounted in a Cessna Grand Caravan aircraft. The systems were programmed to emit single pulses at a rate of 369 kilohertz and flown at 1500 meters above ground level (AGL), capturing a scan angle of +/-15 degrees from nadir (field of view equal to 30 degrees). These settings are developed to yield points with an average native density of greater than eight pulses per square meter over terrestrial surfaces.

The study area was surveyed with opposing flight line side-lap of greater than 65 percent with at least 100 percent overlap to reduce laser shadowing and increase surface laser painting. The system allows up to four range measurements per pulse, and all discernible laser returns were processed for the output dataset.

To solve for laser point position, it is vital to have an accurate description of aircraft position and attitude. Aircraft position is described as x, y, and z and measured twice per second (two hertz) by an onboard differential GPS unit. Aircraft attitude is measured 200 times per second (200 hertz) as pitch, roll, and yaw (heading) from an onboard inertial measurement unit (IMU).

Process Date/Time: 2015-01-01 00:00:00

Process Step 2

CC ID: 1140134

The NOAA Office for Coastal Management (OCM) received the files in laz format from the Oregon Lidar Consortium. The files contained Lidar elevation and intensity measurements. The data were in Oregon Lambert (NAD83 2011 Epoch 2010.0), International Feet coordinates and NAVD88 (Geoid12a) vertical feet. OCM performed the following processing to the data to make it available within the Digital Coast:

1. The data were converted from Oregon Lambert (NAD83), International Feet coordinates to geographic coordinates.

2. The vertical units of the data were converted from International feet to meters.

3. The data were converted from NAVD88 (orthometric) heights to NAD83(2011) ellipsoid heights using Geoid12a grids.

The data was received without a metadata record. This record was produced based on the data quality report.

Process Date/Time: 2017-07-01 00:00:00

Catalog Details

Catalog Item ID: 49938
GUID: gov.noaa.nmfs.inport:49938
Metadata Record Created By: Anne Ball
Metadata Record Created: 2017-11-15 15:23+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-08-09 17:11+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