{ "type": "Collection", "id": "DigitalCoast_DAV:id_8609", "stac_version": "1.1.0", "description": "These files contain topographic lidar data collected by the Compact Hydrographic Airborne Rapid Total Survey (CHARTS) system along the coast of North Carolina and Virginia. CHARTS integrates topographic and bathymetric lidar sensors, a digital camera and a hyperspectral imager on a single remote sensing platform for use in coastal mapping and charting activities. Data coverage generally extends along the coastline from the waterline inland 500 meters (topography) and offshore 1,000 meters or to laser extinction (bathymetry). Native lidar data is not generally in a format accessible to most Geographic Information Systems (GIS). Specialized in-house and commercial software packages are used to processes the native lidar data into 3-dimensional positions that can be imported into GIS software for visualization and further analysis. The 3-D position data are sub-divided into a series of LAS files, with each derived from a single flightline and covering approximately 5 kilometers of shoreline. The format of the file is LAS version 1.2.\n\nIn addition to the lidar point data, topobathy bare earth Digital Elevation Models (DEMs) for the North Carolina coastline at a 1 meter grid spacing, created from the lidar point data are also available from the NOAA Digital Coast. The link to this data is provided in the URL section of this metadata record. 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