Lidar-derived elevation data for Ketchikan, Southeast Alaska, collected August 29, 2024

Description

Lidar-derived elevation data for Ketchikan, Southeast Alaska, collected August 29, 2024, Raw Data File 2024-31, releases classified point cloud derived from aerial lidar, along with a digital surface model (DSM), a digital terrain model (DTM), and an intensity model of Ketchikan, Southeast Alaska. The data were collected during leaf-on conditions and provides snow-free surface elevations useful for landslide hazard analysis. The Division of Geological and Geophysical Surveys (DGGS) conducted the lidar survey following a fatal landslide in downtown Ketchikan on August 25, 2024. The lidar flight took place on August 29, 2024, with ground control values acquired on August 30 and 31, 2024. The staff then merged and processed the data using geospatial processing software. This collection is available as a Raw Data File under an open end-user license. All files can be downloaded from the Alaska Division of Geological & Geophysical Surveys website (http://doi.org/10.14509/31453).

Resources

Name Format Description Link
data Unknown boundaries, classified points, dsm, dtm and lidar intensity Open resource
Web Resource Unknown Open resource
Web Resource Unknown Open resource
Web Resource Unknown Open resource
Web Resource Unknown Open resource

Tags

Topics

Categories