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St. Croix National Scenic Riverway, ADCP Flow Diffusion of the St. Croix River near Hudson, WI, 20181004 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. These information needs were highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Benthic/Attached Biota, Minnesota, National Park, Physical Habitats and Geomorphology, St. Croix River, All tags... Wisconsin, acoustic doppler current profiling, bathymetry, benthic ecosystems, freshwater ecosystems, hydrologic characteristics of habitats, image mosaics, multibeam sonar, river systems, sidescan sonar, spatial characteristics of habitats, stream discharge, Fewer tags Bathymetry of select Rock Outcrops of the St. Croix River, May 2021 This dataset is a digital elevation model (DEM) of the bathymetry for six sites where known rock structures exist in the St. Croix River. The DEMs have a 10-cm resolution (Boom site is 0.5-m) to provide ultra-high-resolution elevations for investigating the use of hydroacoustic technologies for quantifying habitat for imperiled mussels Spectaclecase (Margaritifera monodonta) and Salamander (Simpsonaias ambigua) typically associated with rock structures (e.g., wing dams, revetment) in rivers. Bathymetry is essential for providing the depths and shapes of underwater terrain and it represents the three-dimensional features (or relief) of underwater terrain. Multibeam sonar data were collected using a Norbit integrated... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Rock Outcrop, Rock Substrate, St. Croix River, USGS-EMA-LOW-SB SMC: Freshwater mussels, All tags... Wisconsin, acoustic doppler current profiling, bathymetry measurement, benthic ecosystems, endangered species, image mosaics, rivers, sea-floor acoustic reflectivity, sidescan sonar, Fewer tags Mississippi National River and Recreation Area - Mississippi River Pools 2-3, Low Resolution (5-meter) Bathymetry, 2019 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. This information is highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Bathymetry and Elevation, Benthic/Attached Biota, Habitat, Minnesota, Mississippi River, All tags... National Park, Wisconsin, bathymetry, benthic ecosystems, freshwater ecosystems, habitats, hydrologic characteristics of habitats, multibeam echo sounder, multibeam sonar, physical and chemical characteristics of habitats, spatial characteristics of habitats, Fewer tags St. Croix National Scenic Riverway, Substrate Characterization of the St. Croix River near Hudson, WI, 2018 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. This information is highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Minnesota, St. Croix River, USGS-EMA-LOW-SB SMC: Freshwater mussels, Wisconsin, benthic ecosystems, All tags... benthos, biota, Fewer tags Depth average velocity of select Rock Outcrops of the St. Croix River, May 2021 This dataset is a digital surface of depth-averaged flow velocities for six sites where known rock structures exist in the St. Croix River. Acoustic Doppler Current Profilers (ADCP) are used to measure how fast water is moving across an entire water column. The ADCP measures water currents with sound, and the resulting flow information will be used for investigating the use of hydroacoustic technologies for quantifying habitat for imperiled mussels Spectaclecase (Margaritifera monodonta) and Salamander (Simpsonaias ambigua) typically associated with rock structures (e.g., wing dams, revetment) in rivers. River current velocities were collected using a SonTek RiverSurveyor© M9 for all six sites. All hydroacoustic... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Rock Outcrop, Rock Substrate, St. Croix River, USGS-EMA-LOW-SB SMC: Freshwater mussels, All tags... Wisconsin, acoustic doppler current profiling, bathymetry measurement, benthic ecosystems, endangered species, image mosaics, rivers, sea-floor acoustic reflectivity, sidescan sonar, Fewer tags Hydroacoustic mapping of physical habitat for imperiled freshwater mussels in the St. Croix River Recent advances in hydroacoustic technology are proving to be valuable tools for mapping habitat features for sedentary biota such as freshwater mussels, and has the potential to identify and quantify habitat features. The Spectaclecase (Margaritifera monodonta) and Salamander (Simpsonaias ambigua) are imperiled mussels that are typically associated with rock structures (e.g., wing dams, revetment) in rivers. Hydroacoustic data were collected in early May of 2021 for 6 pre-determined sites containing rock structures within the St. Croix River, to determine whether hydroacoustics can identify and quantify habitat features for imperiled mussels such as the Spectaclecase and Salamander. Tags: Aquatic Biology, Minnesota, Rock Outcrop, Rock Substrate, St. Croix River, All tags... USGS Science Data Catalog (SDC), USGS-EMA-LOW-SB SMC: Freshwater mussels, Wisconsin, acoustic doppler current profiling, bathymetry measurement, benthic ecosystems, endangered species, image mosaics, rivers, sea-floor acoustic reflectivity, sidescan sonar, Fewer tags Mississippi National River and Recreation Area, Mississippi River Sidescan Image Mosaics, 2019-2021 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. This information is highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural... Tags: Benthic/Attached Biota, Minnesota, Minnesota River, Mississippi River, National Park, All tags... Physical Habitats and Geomorphology, Wisconsin, bathymetry, benthic ecosystems, freshwater ecosystems, habitats, hydrologic characteristics of habitats, image mosaics, multibeam echo sounder, multibeam sonar, physical and chemical characteristics of habitats, sidescan sonar, spatial characteristics of habitats, Fewer tags SACN Osceola Boat Landing: 2019 River Bed Observations, Still Images The U.S. Geological Survey (USGS) collected hydroacoustic data of the St. Croix River adjacent to the Osceola (WI) boat ramp for hydrographic and benthic mapping prior to the reconstruction project implemented by the National Park Service (NPS). The dataset is a collection of still-shot images to be used as ground-truth data for geologic substrate. The still-images (jpeg format) were captured from underwater video using an Aqua-Vu system. For statistical analysis, the videos were sampled at random point locations. A short video captured the surficial geologic sediment type at each location. This collection of images directly corresponds with the geospatial shapefile containing sample location coordinates, a general... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, St. Croix, Wisconsin, benthic ecosystems, biota, All tags... field sampling, habitats, image mosaics, mollusks, multibeam sonar, sea-floor acoustic reflectivity, sidescan sonar, topographic maps, Fewer tags 700kHz Multibeam Bathymetry Hillshade of select Rock Outcrops of the St. Croix River, May 2021 These data are digital hillshades of the bathymetry for five (of six) sites where known rock structures exist in the St. Croix River. Hillshades are shaded relief surfaces created by the illumination source angle and shadows, and are being used to investigate the use of hydroacoustic technologies for quantifying habitat for imperiled mussels Spectaclecase (Margaritifera monodonta) and Salamander (Simpsonaias ambigua) typically associated with rock structures (e.g., wing dams, revetment) in rivers. Hillshades are essential for visualizing details of underwater terrain and it represents a shaded relief surface of the topography. Multibeam sonar data were collected using a Norbit integrated wide band multibeam system... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Rock Outcrop, Rock Substrate, St. Croix River, USGS-EMA-LOW-SB SMC: Freshwater mussels, All tags... Wisconsin, acoustic doppler current profiling, bathymetry measurement, benthic ecosystems, endangered species, image mosaics, rivers, sea-floor acoustic reflectivity, sidescan sonar, Fewer tags Mississippi National River and Recreation Area, Substrate Characterization of the Mississippi River near Hidden Falls, MN, 2019 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. This information is highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Minnesota, Mississippi River, USGS-EMA-LOW-SB SMC: Freshwater mussels, Wisconsin, benthic ecosystems, All tags... benthos, biota, Fewer tags 700kHz Bathymetric Slope of select Rock Outcrops of the St. Croix River, May 2021 This dataset is a digital surface model of the slope for six sites where known rock structures exist in the St. Croix River. Slope is the gradient, or rate of maximum change in elevation, and is derived from the DEM. Slope measures will be used for investigating the use of hydroacoustic technologies for quantifying habitat for imperiled mussels Spectaclecase (Margaritifera monodonta) and Salamander (Simpsonaias ambigua) typically associated with rock structures (e.g., wing dams, revetment) in rivers. Slope is a driver of energy below the water and influences biotic diversity, distribution, and the functional traits of those biota. Slope is expressed in degrees; it calculates the maximum rate of change in value from... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Rock Outcrop, Rock Substrate, St. Croix River, USGS-EMA-LOW-SB SMC: Freshwater mussels, All tags... Wisconsin, acoustic doppler current profiling, bathymetry measurement, benthic ecosystems, endangered species, image mosaics, rivers, sea-floor acoustic reflectivity, sidescan sonar, Fewer tags SACN Osceola Boat Landing: 2019 Substrate Data The U.S. Geological Survey (USGS) collected hydroacoustic data of the St. Croix River adjacent to the Osceola (WI) boat ramp for hydrographic and benthic mapping prior to the reconstruction project implemented by the National Park Service (NPS). This dataset contains predicted geologic substrate information that was interpreted from combined sonar datasets. The shapefile contains a general description of interpreted surficial bottom type with its associated class code in the attribute table. Benthic substrate maps provide important physical characteristics that can be used in habitat modeling to guide management planning of restoration and conservation efforts. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: GPS measurement, Minnesota, St. Croix, Wisconsin, benthic ecosystems, All tags... biota, field sampling, habitats, image mosaics, mollusks, multibeam sonar, sea-floor acoustic reflectivity, sidescan sonar, topographic maps, Fewer tags Mississippi National River and Recreation Area Bathymetry, Mississippi River, 2019-2021 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. This information is highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Bathymetry and Elevation, Benthic/Attached Biota, Habitat, Minnesota, Mississippi River, All tags... National Park, bathymetry, benthic ecosystems, freshwater ecosystems, habitats, hydrologic characteristics of habitats, multibeam echo sounder, multibeam sonar, physical and chemical characteristics of habitats, spatial characteristics of habitats, Fewer tags Illinois River, Hanson Pits, East Pit, Sidescan Image Mosaic, 2018-2020 Remote sensing technologies, such as high-resolution sonar, can be used to collect more detailed information about the benthic characteristics of macro habitats in the Illinois River. Multibeam echosounders collect multibeam and sidescan simultaneously, providing high-resolution images of the riverbed. Sidescan images, in raster format, show the recorded intensity of acoustic signal returns from the riverbed. The acoustic data were collected from the East Pit of the Hanson Pits (where accessible) of the Marseilles reach June 27, 2018, and August 25, 2020. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Grundy County, Illinois, Physical Habitats and Geomorphology, benthic ecosystems, freshwater ecosystems, All tags... invasive species, mapping, multibeam sonar, river, river channel, sidescan sonar, Fewer tags SACN Osceola Boat Landing: 2019 River Bed Observations The U.S. Geological Survey (USGS) collected hydroacoustic data of the St. Croix River adjacent to the Osceola (WI) boat ramp for hydrographic and benthic mapping prior to the reconstruction project implemented by the National Park Service (NPS). This dataset contains reference locations that were obtained while collecting ground-truth information for geologic substrate. For statistical analysis, the locations were selected using random point sampling. The shapefile contains sample location coordinates, a general description of interpreted surficial sediment type, and an indication of mussel presence/absence in the attribute table. These geospatial locations directly correspond to the "still-images" dataset. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: GPS measurement, Minnesota, St. Croix, Wisconsin, benthic ecosystems, All tags... habitats, mollusks, multibeam sonar, sea-floor acoustic reflectivity, sea-floor characteristics, Fewer tags St. Croix River - Bathymetry Digital Elevation Model (DEM) - 2018 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. These information needs were highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural Resources Trust Fund (ENRTF), to help maintain and enhance Minnesota’s environment and natural resources. Tags: Bathymetry and Elevation, Benthic/Attached Biota, Minnesota, National Park, St. Croix, All tags... Wisconsin, bathymetry, benthic ecosystems, freshwater ecosystems, Fewer tags Mississippi National River and Recreation Area, ADCP Flow Diffusion of the Mississippi River near Hidden Falls, MN, 20190829 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. This information is highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Benthic/Attached Biota, Minnesota, Mississippi River, National Park, Physical Habitats and Geomorphology, All tags... Wisconsin, acoustic doppler current profiling, bathymetry, benthic ecosystems, freshwater ecosystems, hydrologic characteristics of habitats, image mosaics, multibeam sonar, river systems, sidescan sonar, spatial characteristics of habitats, stream discharge, Fewer tags St. Croix National Scenic Riverway, ADCP Flow Diffusion of the St. Croix River near Prescott, WI, 20190828 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. These information needs were highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Benthic/Attached Biota, Minnesota, National Park, Physical Habitats and Geomorphology, St. Croix River, All tags... Wisconsin, acoustic doppler current profiling, bathymetry, benthic ecosystems, freshwater ecosystems, hydrologic characteristics of habitats, image mosaics, multibeam sonar, river systems, sidescan sonar, spatial characteristics of habitats, stream discharge, Fewer tags St. Croix River - Sidescan Image Mosaic, 2018: SACN 01 - SACN 23 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. These information needs were highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural Resources Trust Fund (ENRTF), to help maintain and enhance Minnesota’s environment and natural resources. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Bathymetry and Elevation, Benthic/Attached Biota, Habitat, Minnesota, National Park, All tags... St. Croix River, Wisconsin, bathymetry, benthic ecosystems, freshwater ecosystems, habitats, hydrologic characteristics of habitats, image mosaics, multibeam echo sounder, multibeam sonar, physical and chemical characteristics of habitats, sidescan sonar, spatial characteristics of habitats, Fewer tags St. Croix National Scenic Riverway, Substrate Characterization of the St. Croix River near Prescott, WI, 2018 Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing priority mussel habitat had additional collection efforts to map water velocities and bottom composition. Combining these data in a GIS can provide key components to characterizing physical benthic habitat for native mussels in a riverine environment. This information is highly desired by the National Park Service to more accurately assess environmental factors that influence native mussel distribution. The collaborative effort was funded by the Legislative-Citizen Commission on Minnesota Resources (LCCMR) Environment and Natural... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Minnesota, St. Croix River, USGS-EMA-LOW-SB SMC: Freshwater mussels, Wisconsin, benthic ecosystems, All tags... benthos, biota, Fewer tags 1 2 »