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Acoustic backscatter - Data and Python Code These data were compiled for investigating the relationship between acoustic backscattering by riverbeds composed of various riverbed substrates (bed sediment), and for developing and testing a probabilistic model for substrate classification based on high-frequency multibeam acoustic backscatter. The model is described in Buscombe et al. (2017). The data consist of various quantities on coincident grids, from various sites along the Colorado River in Grand Canyon, including water depth, bed roughness, the area (or footprint) of the acoustic beam, unfiltered and filtered backscatter magnitude, sediment classification (for each location, 1 of 5 sediment classes in a categorical scheme), and the probabilities for... Categories: Data; Tags: Arizona, Colorado River, Geography, Geomorphology, Glen Canyon, All tags... Grand Canyon, Information Sciences, Marble Canyon, Remote Sensing, Southwestern United States, USGS Science Data Catalog (SDC), United States, acoustic remote sensing, ecogeomorphology, fluvial geomorphology, fluvial sediment transport, multibeam backscatter, probabilistic modeling, seafloor mapping, stochastic modeling, submerged aquatic vegetation, substrate mapping, Fewer tags Post-Hurricane Florence RGB averaged orthoimagery of coastal North Carolina This data release presents structure-from-motion (SFM) products derived from aerial imagery surveys with precise Global Navigation Satellite System (GNSS) navigation data flown in a piloted fixed wing aircraft taken along the North Carolina coast in response to Hurricane Florence (available here https://coastal.er.usgs.gov/data-release/doi-P91KB9SF/). USGS researchers use the elevation models and orthorectified imagery to assess future coastal vulnerability, nesting habitats for wildlife, and provide data for hurricane impact models. The products span the coast over both highly developed towns and natural areas, including federal lands. These products represent the coast after Hurricane Florence and cover the Cape... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMHRP, Cape Fear, Cape Hatteras National Seashore, Cape Lookout National Seashore, Coastal and Marine Hazards and Resources Program, All tags... North Carolina, Outer Banks, Remote Sensing Coastal Change, U.S. Geological Survey, USA, USGS, USGS-CC Natural Hazards, aerial photography, coastal processes, digital elevation models, earth sciences, farming, geography, geoscientificInformation, geospatial datasets, hurricanes, oceans, remote sensing, structure from motion, utilitiesCommunication, Fewer tags Aerial Photogrammetry Data and Products of the North Carolina coast: 2018-10-06 to 2018-10-08, post-Hurricane Florence This data release presents structure-from-motion products derived from imagery taken along the North Carolina coast in response to storm events and the recovery process. USGS researchers use the aerial photogrammetry data and products to assess future coastal vulnerability, nesting habitats for wildlife, and provide data for hurricane impact models. This research is part of the Remote Sensing Coastal Change Project. Products include digital elevation models and orthorectified imagery (RGB averaged products) created from aerial imagery surveys with precise Global Navigation Satellite Systen (GNSS) navigation data flown in a piloted fixed wing aircraft (available here https://coastal.er.usgs.gov/data-release/doi-P91KB9SF/).... Tags: East Coast, Geography, Geomorphology, Geomorphology, Mid-Atlantic, All tags... Natural Hazards, North Carolina, North Carolina Coast, Orthoimagery, Outer Banks, Remote Sensing, Virginia, coastal, digital elevation models (DEMs), elevation, geomorphology, hurricane, hurricanes, orthomosaic, structure from motion, Fewer tags Suspended-sediment, bedload, bed-sediment, and multibeam sonar data in the Chippewa River, WI These data were compiled for analyses of sediment transport within the Chippewa River, WI. Objective(s) of our study were to determine sand loads contributed by the Chippewa River to the Mississippi River. These data include physical suspended-sediment samples, acoustical suspended-sediment measurements, acoustical suspended-sediment loads, quasi-continuous measurements of bed-elevation, multibeam sonar survey data, and longitudinal profiles of the bed-elevation at certain locations. These data were collected in the Chippewa River in 2018 and 2019. Acoustical suspended-sediment data also include data from March and April 2020. These data were collected by the USGS Grand Canyon Monitoring and Research Center and... Tags: Chippewa River, Durand, Geochemistry, Geography, Geomorphology, All tags... Hydrology, Information Sciences, Lower Chippewa River, Mississippi River, Modified Einstein Method, Pepin, Remote Sensing, Sedimentology, USGS Science Data Catalog (SDC), Water Resources, Wisconsin, acoustic Doppler profiler, acoustic doppler current profiling, acoustical suspended-sediment data, acoustical suspended-sediment loads, acoustical suspended-sediment measurements, bed-elevation, bedform geometry data, bedforms, bedload data, discharge, doppler radar imaging, dredging, dredging operations, elevation, environment, field inventory and monitoring, inlandWaters, longitudinal profile, multibeam sonar, multibeam sonar survey data, physical samples, physical suspended-sediment samples, remote sensing, remotely sensed data, sand loads, sediment transport, stream discharge, suspended material (water), topography, Fewer tags Post-Hurricane Florence Digital Elevation Models of coastal North Carolina This data release presents structure-from-motion (SFM) products derived from aerial imagery surveys with precise Global Navigation Satellite System (GNSS) navigation data flown in a piloted fixed wing aircraft taken along the North Carolina coast in response to Hurricane Florence (available here https://coastal.er.usgs.gov/data-release/doi-P91KB9SF/). USGS researchers use the elevation models and orthorectified imagery to assess future coastal vulnerability, nesting habitats for wildlife, and provide data for hurricane impact models. The products span the coast over both highly developed towns and natural areas, including federal lands. These products represent the coast after Hurricane Florence and cover the Cape... Tags: CMHRP, Cape Fear, Cape Hatteras National Seashore, Cape Lookout National Seashore, Coastal and Marine Hazards and Resources Program, All tags... North Carolina, Outer Banks, U.S. Geological Survey, USA, USGS, Virginia, coastal processes, digital elevation models, earth sciences, elevation, geography, geomorphology, geoscientificInformation, geospatial datasets, hurricanes, imageryBaseMapsEarthCover, remote sensing, structure from motion, Fewer tags Channel mapping Glen Canyon Dam to Lees Ferry in Glen Canyon National Recreation Area, Arizona - Data Bathymetric, topographic, and grain-size data were collected from May 2013 to October 2016 along a 15-mi reach of the Colorado River in Glen Canyon National Recreation Area, Arizona by the U.S. Geological Survey Grand Canyon Monitoring and Research Center. The study reach is located from river miles -15 at the base of Glen Canyon Dam to 0 at Lees Ferry. Channel bathymetry was mapped using multibeam bathymetry collected in November 2014 and single beam bathymetry collected in February 2015, August 2015, February 2016, and June 2016. Subaerial topography was mapped using photogrammetry derived from aerial Imagery collected in May 2013 and ground-based total-stations collected in February 2015, October 2015, and October... Tags: 1-m resolution, Arizona, Colorado River, DEM, Geography, All tags... Geomorphology, Glen Canyon Dam, Glen Canyon National Recreation AreaGrand Canyon National Park, Grand Canyon National Park, Hydrology, Information Sciences, Lees Ferry, Remote Sensing, USGS Science Data Catalog (SDC), aerial photography, bathymetric and topographic data, bathymetric map, bathymetric survey data, bathymetry, bed substrate distribution, bed-substrate map, benchmarks, boat-based bathymetric sonar surveys, cartography, channel bathymetry, channel bed substrate, digital elevation models, digital photogrammetry, digital surface model dataset, elevation, elevation map, elevation uncertainty, environment, field inventory and monitoring, field monitoring stations, fuzzy inference system, geodesy, geodetic control network points, geoscientificInformation, geospatial datasets, gravel deposits, ground-based total station surveys, inlandWaters, land surveying, multibeam sonar, point density, remote sensing, river channel, river reaches, riverbank topography, roughness, sand deposits, sandbars, single-beam echo sounder, slope, spatial accuracy, subaerial topography, topographic maps, uncertainty, water-surface elevations, Fewer tags Aerial photogrammetry data and products of the North Carolina coast This data release presents structure-from-motion (SfM) products derived from aerial imagery collected along the North Carolina coast in response to storm events and the recovery process. U.S. Geological Survey (USGS) researchers use the aerial imagery and products to assess future coastal vulnerability, nesting habitats for wildlife, and provide data for hurricane impact models. This research is part of the Remote Sensing Coastal Change Project. Products include digital elevation models and orthorectified imagery (RGB-averaged products) created from aerial imagery surveys with precise Global Navigation Satellite System (GNSS) navigation data flown in a piloted fixed-wing aircraft. The products span the coast over... Tags: East Coast, Geography, Geomorphology, Geomorphology, Mid-Atlantic, All tags... Natural Hazards, North Carolina, North Carolina Coast, Orthoimagery, Outer Banks, Remote Sensing, Virginia, coastal, digital elevation models (DEMs), elevation, geomorphology, hurricane, hurricanes, orthomosaic, structure from motion, Fewer tags Measurements of bed grain size on the Colorado River in Grand Canyon National Park, Arizona - 2000 to 2014 These data were compiled to better understand sedimentation patterns on the bed of the Colorado River in Grand Canyon National Park, and the way these patterns relate to suspended sediment grain size and concentration. These data were collected by the US Geological Survey Grand Canyon Monitoring and Research Center from 2000 to 2014, primarily using the "Flying Eyeball" underwater imaging system. This dataset is composed of over 50,000 samples, as part of 16 individual data tables from 16 research expeditions. On each expedition, grain size measurements were made in a grid-like pattern over short segments of the river. Each point sample includes mean grain size, geographic coordinates, date, and geomorphic setting. Tags: Arizona, Colorado River, Geography, Geomorphology, Glen Canyon, All tags... Glen Canyon Dam, Grand Canyon, Grand Canyon National Park, Hydrology, Information Sciences, Lees Ferry, Marble Canyon, Sedimentology, USGS Science Data Catalog (SDC), Water Resources, beaches, boulders, channel, channels (waterways), cobbles, eddies, geological sampling, geoscientificInformation, grain size, grain-size analysis, imaging, inlandWaters, river ecosystems, river systems, rivers, sand, sand deposits, sandbars, sediment analysis, sediments, unconsolidated deposits, underwater imaging, Fewer tags River Valley Sediment Connectivity Data, Colorado River, Grand Canyon This workbook contains spatial data on the hydrology, sedimentology, and vegetation extent within the Colorado River corridor from 60 to 78 miles (97 to 125 kilometers) downstream from Glen Canyon Dam, Arizona. In combination with the accompanying MATLAB scripts, these data were used to generate the results within the accompanying manuscript (Kasprak et al., Quantifying and Forecasting Changes in the Areal Extent of River Valley Sediment in Response to Altered Hydrology and Land Cover). Specifically, the datasets include (a) the daily mean or estimated/measured maximum discharge for the Colorado River at Lees Ferry (USGS #09380000) from 1921 to 2016, (b) the estimated daily maximum discharge for the future period... Tags: Arizona, Colorado River, Ecology, Geography, Geomorphology, All tags... Glen Canyon Dam, Grand Canyon, Information Sciences, USGS Science Data Catalog (SDC), aeolian processes, biota, fluvial geomorphology, fluvial processes, geomorphology, geoscientificInformation, human impacts, hydrology, sediment connectivity, sediment transport, vegetation, Fewer tags