Filters: Tags: Spencer Dam (X) > partyWithName: U.S. Geological Survey - ScienceBase (X)

Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (1) Types Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) Downloadable (1) OGC WMS Service (1) Shapefile (1) Contacts Nathaniel J Schaepe Earth Resources Observation and Science (EROS) Center Ronald B Zelt Jeffrey R Irwin U.S. Geological Survey More... Categories Data (2) Tag Types Theme (3) Place (3) USGS Scientific Topic Keyword (2) Harvest Set (2) Tag Schemes None (3) ISO 19115 Topic Category (3) View Results as: JSON ATOM CSV

Niobrara River suspended-sediment and bed-sediment data collected during hydroelectric dam flush near Spencer, Nebr., October through November, 2014 In the fall of 2014 (October-November) the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers collected sediment samples (suspended and bed material) at several sites on the Niobrara River in Nebraska near the Spencer Dam prior to, during, and immediately after a sediment-flushing event. Suspended-sediment samples were analyzed for sediment concentration and percent finer than sand. Bed sediment samples were analyzed for particle-size distribution using standard classes by sieve analysis. In addition, a Sequoia LISST Streamside particle-size analyzer (PSA) was deployed during the first week of the flush; this unit collected suspended-sediment concentration and grain-size data. Sampled sites... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Nebraska, Niobrara River, Niobrara River, Spencer Dam, USGS Science Data Catalog (SDC), All tags... Water Quality, Water Resources, bed sediment, geoscientificInformation, inlandWaters, reservoir management, sediment management, sediment monitoring, suspended sediment, Fewer tags Niobrara River suspended-sediment and bed-sediment data collection sites near Spencer, Nebr., October through November, 2014 In the fall of 2014 (October-November) the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers collected sediment samples (suspended and bed material) at several sites on the Niobrara River in Nebraska near the Spencer Dam prior to, during, and immediately after a sediment-flushing event. Suspended-sediment samples were analyzed for sediment concentration and percent finer than sand. Bed sediment samples were analyzed for particle-size distribution using standard classes by sieve analysis. In addition, a Sequoia LISST Streamside particle-size analyzer (PSA) was deployed during the first week of the flush; this unit collected suspended-sediment concentration and grain-size data. Sampled sites... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Nebraska, Niobrara River, Niobrara River, Spencer Dam, bed sediment, All tags... geoscientificInformation, inlandWaters, reservoir management, sediment management, sediment monitoring, suspended sediment, Fewer tags 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