32 datasets found for "Sand Bars"
-
Federal
Compilation of topographic data, aerial imagery, and land cover classification, collected between 1984 to 2021 for an aeolian dune field near Lees Ferry, AZ
Department of the Interior —
These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of... -
Federal
Engineering Soil Classification and Geotechnical Measurements in Lares, Naranjito, and Utuado, Puerto Rico
Department of the Interior —
The data include soil texture, soil-water, and estimated soil strength properties for soil map units and from geotechnical investigations of landslide areas affecting... -
Federal
NCCOS Assessment: Modeled Distribution of sand shoals of the Gulf of Mexico and US Atlantic Coast (NCEI Accession 0221906)
National Oceanic and Atmospheric Administration, Department of Commerce —
The sand shoals (modeled) polygons represent the hypothesized distribution of sand shoals of the Gulf of Mexico and US Atlantic Coast based on seafloor... -
Federal
Physical and meteorological data collected from non-federal stations assembled by the Alaska Ocean Observing System (AOOS)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains oceanographic and surface meteorological data collected from non-Federal stations throughout the Alaskan region of the United States. The data... -
Federal
Tributary sand input data, Colorado River, Grand Canyon National Park, Arizona
Department of the Interior —
These data were compiled from sampling pre-dam flood terraces and sand bar deposits of the Colorado River in Glen Canyon between Glen Canyon Dam and the Paria River... -
Federal
Topographic, aerial imagery, and unoccupied aerial vehicle (UAV) data for an aeolian dune field near Lees Ferry, AZ
Department of the Interior —
These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of... -
Federal
Channel narrowing data for the lower Green River in the Canyonlands region, Utah, USA
Department of the Interior —
The 'Channel Width' shapefile data are measurements of the active channel width of the Green River at 1-km intervals in and near Canyonlands National Park, Utah. The... -
Federal
A polygon shapefile of bottomland vegetation cover and geomorphic features of the Escalante River, Utah mapped from 1951/1960 aerial imagery
Department of the Interior —
We used the 1951/1960 historical imagery of the Escalante River, Utah in ArcGIS to quantify channel area and average width and quantify woody riparian vegetation... -
Federal
USGS 2015 JSankey Riparian Vegetation and Colorado River
Department of the Interior —
These data include image-based classifications of total vegetation from 1965, 1973, 1984, 1992, 2002, 2004, 2005, and 2009, and characteristics of the river channel... -
Federal
Geologic Map geodatabase of the valley corridor of the 59-mile reach of the Missouri National Recreational River, South Dakota, Nebraska, and Iowa: Gavins Point Dam to North Sioux City
Department of the Interior —
This geologic map area of 5,430 km2 spans a reach of the lower Missouri River valley and adjoining uplands for about 100 kilometers east of Gavins Point Dam, the... -
Federal
A polygon shapefile of bottomland vegetation cover and geomorphic features of the Escalante River, Utah mapped from 2010 aerial imagery
Department of the Interior —
We used the 2010 historical imagery of the Escalante River, Utah in ArcGIS to quantify channel area and average width and quantify woody riparian vegetation cover in... -
Federal
Physical, chemical, biological, geophysical, and meteorological data collected in the Arctic Ocean and Chukchi Sea in support of the Chukchi Sea Environmental Studies Program (CSESP) from 2007 to 2014 (NCEI Accession 0124308)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset was collected as part of the Chukchi Sea Environmental Studies Program (CSESP), a multi-year, interdisciplinary ecological study focused on areas in... -
Federal
Conservation Planning for the Colorado River in Utah - Diversity of All Cover Types for General Diversity Model
Department of the Interior —
This dataset represents the variety (count of unique classes within 1 ha) of vegetation communities, river channel and bare areas (often sand bars) mapped along the... -
Federal
Orthophotography Classification and Ground Surveys to Understand Sandbar Formation, Geometry, and Persistence in the Lower Platte River in Nebraska, 2006-2014
Department of the Interior —
Sandbars are ubiquitous in wide, braided, sand-bed rivers throughout the world. In the Great Plains of the United States, recovery and expansion of emergent sandbar... -
Federal
Georeferenced Plate 8, 1968, from "Hydrologic significance of the lithofacies of the Sparta Sand in Arkansas, Louisiana, Mississippi, and Texas" (Payne, 1968)
Department of the Interior —
The study of the geohydrology of the Sparta Sand is the initial phase in the investigation of the geohydrology of the Claiborne Group. The thicker sections of the... -
Federal
Riparian vegetation, topography, sediment quality, and river corridor geomorphology in the Lower Virgin River, Nevada and Arizona, before (2010) and after (2011-2012) a 40-year return period flood
Department of the Interior —
The data release presents observations of riparian vegetation, topography, sediment quality, and river corridor geomorphology in four river reaches of the Lower... -
Federal
Aerial imagery analysis and topographic change detection (digital surface models), field observations and topographic change (terrestrial lidar surveys), and 4-minute wind speed record data for an aeolian dune field near Lees Ferry, AZ
Department of the Interior —
These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of... -
Federal
Lidar point cloud data for an aeolian dune field near Lees Ferry, AZ
Department of the Interior —
These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of... -
Federal
Digital Dataset for the Geomorphology of the Lower Mississippi River Valley in Missouri, Kentucky, Arkansas, Tennessee, Louisiana, and Mississippi
Department of the Interior —
A digital dataset of the geomorphology of the Lower Mississippi River Valley in Missouri, Kentucky, Arkansas, Tennessee, Louisiana, and Mississippi was developed from... -
Federal
Conservation Planning for the Colorado River in Utah - Areas Open for Flight for Bat Watering Model
Department of the Interior —
This dataset represents vegetation communities, river channel and bare areas (often sand bars) mapped along the Colorado River bottomland in Utah, as of September...
32 datasets found for "Sand Bars"