2013 - 2015 OLC Lidar DEM: Lane County, OR

WSI was contracted by the Oregon Department of Geology and Mineral Industries (DOGAMI) to acquire and process Light Detection and Ranging (LiDAR) data and Four-Band Radiometric Image Enhanced Survey of the Oregon Lidar Commission (OLC) Lane County area of interest, which encompasses 2,030,099 acres. Setting for LiDAR data capture produced an average resolution of at least eight pulses per square meter. All final deliverables are projected in Oregon Lambert, endorsed by the Oregon Geographic Information Council, using the NAD83(2011) horizontal datum and the NAVD88 (Geoid 12A) vertical datum, with units in international feet. Bare Earth digital elevation models (DEMs) of the area were produced from this Lidar data with 3 foot (1 meter) resolution.

The NOAA Office for Coastal Management (OCM) received 118 Bare Earth ADF DEM files from DOGAMI and processed the data to the Data Access Viewer (DAV) and https. These data are available for download at the link provided in the URL section of this metadata record. The lidar point cloud from which this DEM was derived is also available for download, and may be found in the Related Items section below.

Please note that these products have not been reviewed by the NOAA Office for Coastal Management (OCM) and any conclusions drawn from the analysis of this information are not the responsibility of NOAA or OCM. Note; OCM did not receive a metadata record with this dataset, information was therefore obtained from the project reports, which are available below.

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.

Any conclusions drawn from the analysis of this information are not the responsibility of SC DNR, NOAA, the Office for Coastal Management or its partners.

Data is available online for custom downloads

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be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions.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

Vertical accuracy reporting is designed to meet guidelines presented in the National Standard for Spatial Data Accuracy (NSSDA) (FGDC, 1998) and the ASPRS Guidelines for Vertical Accuracy Reporting for LiDAR Data V1.0 (ASPRS, 2004). The statistical model compares known ground survey points to the triangulated LiDAR surface. Vertical accuracy statistical analysis uses ground control 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 Lane County Delivery Ten study area, 5,535 GSPs were collected. Statistics are shown for Delivery Area Ten and cumulative (right).

For this project, no independent survey data were collected, nor were reserved points collected for testing. As such, vertical accuracy statistics are reported as “Compiled to Meet.” Vertical Accuracy is 3 cm RMSE, and is reported for the entire study area.

Data is backed up to tape and to cloud storage.

Watershed Sciences Inc. has collected Light Detection and Ranging (LIDAR) data in the Lane County Study Area for the Oregon Department of Geology and Mineral Industries (DOGAMI).

NOAA OCM has taken the data and ingested it into the Digital Coast Data Access Viewer for distribution.