Filters: Tags: U.S. Army Corps of Engineers (X)
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The U.S. Geological Survey (USGS) in cooperation with the State of Arkansas made a bathymetric survey of the Black River from Popular Bluff, Missouri, to Pocahontas, Arkansas from July 12—25, 2018. One hundred sites were surveyed at pre-established transect locations along a 131-mile reach at distances spaced from about 0.1 to 4.8 miles apart. River-channel cross sections were surveyed to determine water depths along each transect using an acoustic Doppler current profiler (ADCP). Positional location of the water-depth locations was obtained from a global positioning system receiver onboard the ADCP. Water-surface elevation at the water-depth locations was computed using vertical control points collected at the...
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Bathymetry,
Bathymetry and Elevation,
U.S. Army Corps of Engineers,
U.S. Geological Survey,
USACE,
Topographic data were collected at a recreation site on the Fourche La Fave River, about 5 miles upstream from Nimrod, Arkansas, on March 4, 2020, using terrestrial light detection and ranging (T-lidar), Global Navigation Satellite System (GNSS), and conventional surveying techniques (Rydlund and Densmore, 2012). These data are high-resolution topography in laser scan format, collected using a tripod mounted T-lidar at multiple scan setups. Data collection software integrated and stored the range and angular measurements from the T-lidar equipment. Computer software was used to process the raw data, align the various scans in reference to one another, classify the data, and extract the topography data in a useable...
During Hurricane Irma in September 2017, Florida and Georgia experienced significant impacts to beaches, dunes, barrier islands, and coral reefs. Extensive erosion and coral losses result in increased immediate and long-term hazards to shorelines that include densely populated regions. These hazards put critical infrastructure at risk to future flooding and erosion and may cause economic losses. The USGS Coastal and Marine Hazards Resources Program (CMHRP) is assessing hurricane-induced coastal erosion along the southeast US coastline and implications for vulnerability to future storms. Shoreline positions were compiled prior to and following Hurricane Irma along the sandy shorelines of the Gulf of Mexico and Atlantic...
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Atlantic Coast,
Baseline,
CMGP,
Coastal and Marine Geology Program,
DSAS,
Shorelines of the northern North Carolina (NCnorth) coastal region used in shoreline change analysis
Sandy ocean beaches in the United States are popular tourist and recreational destinations and constitute some of the most valuable real estate in the country. The boundary between land and water along the coastline is often the location of concentrated residential and commercial development and is frequently exposed to a range of natural hazards, which include flooding, storm effects, and coastal erosion. In response, the U.S. Geological Survey (USGS) is conducting a national assessment of coastal change hazards. One component of this research effort, the National Assessment of Shoreline Change Project (http://coastal.er.usgs.gov/shoreline-change/), documents changes in shoreline position as a proxy for coastal...
Categories: Data;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Atlantic Coast,
Bodie Island,
Buxton,
CERC,
CERC map,
Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for ocean planning purposes. The area is divided into the following four geographical areas to reduce file size and facilitate publishing: Massachusetts Bay from the Massachusetts-New Hampshire border south to Provincetown and Scituate and east to Stellwagen Bank; Cape Cod Bay from Provincetown to Scituate and south to Hyannis; Buzzards Bay from the Cape Cod Canal southwest to the State border including the Elizabeth Islands and extending north to Fall River and Mount Hope Bay; and Nantucket and Vineyard Sounds, from Hyannis south...
Sandy ocean beaches in the United States are popular tourist and recreational destinations and constitute some of the most valuable real estate in the country. The boundary between land and water along the coastline is often the location of concentrated residential and commercial development and is frequently exposed to a range of natural hazards, which include flooding, storm effects, and coastal erosion. In response, the U.S. Geological Survey (USGS) is conducting a national assessment of coastal change hazards. One component of this research effort, the National Assessment of Shoreline Change Project (http://coastal.er.usgs.gov/shoreline-change/), documents changes in shoreline position as a proxy for coastal...
Categories: Data;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Atlantic Coast,
CERC,
CERC map,
CMGP,
Coastal Engineering Research Center,
Topographic data were collected at Hise Hill Recreation Center on the Petit Jean River about 2 miles upstream from Blue Mountain Lake on March 3, 2020, using terrestrial light detection and ranging (T-lidar), Global Navigation Satellite System (GNSS), and conventional surveying techniques. These data are high-resolution topography in laser scan format, collected using a tripod mounted T-lidar at multiple scan setups. Data collection software integrated and stored the range and angular measurements from the T-lidar equipment. Computer software was used to process the raw data, align the various scans in reference to one another, classify the data, and extract the topography data in a useable format. The data were...
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