72051 Entity Published / External 48191 2015 NOAA NGS Topobathy Lidar: Buzzards Bay Block2 (MA) Data Set Completed Theme Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > SPECTRAL/ENGINEERING > LIDAR Theme ISO 19115 Topic Category elevation Theme NGDA Portfolio Themes Elevation Theme Instrument Global Change Master Directory (GCMD) Instrument Keywords LIDAR > Light Detection and Ranging Platform Global Change Master Directory (GCMD) Platform Keywords Airplane > Airplane Office for Coastal Management Charleston SC USA Other Yes Class table describing the class numbers used in the lidar data file. Each point in the lidar file has a class associated. 1 1 - Unclassified Point class number No No Active Unclassified point 2 2- Ground Point class number No No Active Ground Point 3 7 - Low Point (Noise) Point class number No No Active Low Point (Noise) 5 26 - Bathymetric Point Point class number No No Active point classified as bathymetric ground. 6 27 - Water Surface Point class number No No Active points classified as water surface 7 29 - Submerged Object Point class number No No Active Submerged object, not otherwise specified (e.g., wreck, rock, submerged piling). 8 30 - Submerged Aquatic Vegetation Point class number No No Active Submerged Aquatic Vegetation gov.noaa.nmfs.inport:72051 Maryellen Sault 2024-02-01T21:00:07 Maryellen Sault 2024-02-01T21:01:29 2024-02-01 National Geodetic Survey NGS 1002 Public No 2024-02-01 3 Years 2027-02-01