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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Jeffrey R Irwin U.S. Geological Survey Jeffrey J Danielson Minsu Kim U.S. Geological Survey - ScienceBase More... Tag Types Theme (1) Place (1) USGS Scientific Topic Keyword (1) Harvest Set (1) Tag Schemes None (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

2020 Niobrara River Topobathymetric Lidar Validation – USGS Field Survey Data U.S. Geological Survey (USGS) scientists conducted field data collection efforts between August 17th and 28th, 2020 over a large stretch of the Niobrara River in Nebraska using high accuracy surveying technologies. The work was initiated as an effort to validate commercially acquired topobathymetric light detection and ranging (lidar) data. The goal was to compare and validate the airborne lidar data to topographic, bathymetric, structural, and infrastructural data collected through more traditional means (e.g. Global Navigational Satellite System (GNSS) surveying). The airborne topobathymetric lidar data will be used for characterization of endangered species aquatic habitat, improving the understanding of fluvial... Tags: 3D Elevation Program, 3DEP, Airborne Lidar, Airborne Topobathymetric Lidar, Aquatic Biology, All tags... Ecology, Fort Niobrara National Wildlife Refuge, GNSS, Geography, Geomorphology, Global Navigation Satellite System, Ground Based Lidar, Hydrology, Lidar, Lidar Validation, Light Detection and Ranging, Meadville, Missouri National Recreation Area, NGP Inland Bathymetry Research, National Geospatial Program, Niobrara, Niobrara National Scenic River, Niobrara River, Niobrara State Park, Niobrara Valley Preserve, Remote Sensing, Spencer Dam, State of Nebraska, Terrestrial Laser Scanning, Topobathy, Topobathymetric Lidar, Topobathymetry, Topographic, Total Station, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Village of Niobrara, elevation, geoscientificInformation, location, Fewer tags