2016 DOWL Lidar: Chena River Lakes, Alaska

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NOAA
This metadata record was created by the NOAA Office for Coastal Management (OCM) because no metadata record was available for the data. Information to create this record was taken from the Quantum Spatial Chena River Lakes LiDAR Technical Data Report. There is a link to this report in the URL section of this metadata record. The data set deliverable parameters provided in the technical report for projection and units, are incorrectly provided in the report for the point data. The report indicates that the data are in Alaska State Plane Zone 3, NAD83 (NSRS2007), US survey feet and in NAVD88 (GEOID06) with vertical units in US survey feet. After examining the data and using the LAStools script lasinfo, the data downloaded from AK DGGS, appear to actually be in UTM Zone 6N, NAD83, meters, and in vertical units of meters. The NOAA Office for Coastal Management (OCM) downloaded this lidar data from the AK DGGS site (https://elevation.alaska.gov/) and processed the data to be available on the Digital Coast Data Access Viewer (DAV). In addition to these lidar point data, the bare earth Digital Elevation Models (DEM) created from the lidar point data are also available. These data are available for custom download at the link provided in the URL section of this metadata record. In early 2016, Quantum Spatial (QSI) was contracted by DOWL, Inc. to collect Light Detection and Ranging (LiDAR) data in the spring of 2016 for the Chena River Lakes site in Alaska. This data set is an LAZ (compressed LAS) format file containing LIDAR point cloud data.
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