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Gridded side-scan imagery collected in Apra Harbor, Guam U.S. Territory, USA. The GeoTIFF and Arc ASCII file includes data that were collected using a Klein 3000 high-resolution side-scan sonar...
Search relevance: 145.08 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 06:34 AM -
Raw data files downloaded from from a side-scan sonar unit (Humminbird Helix 15) generated while conducting transects throughout the lower Chena River to create a substrate map in 2021 and 2022....
Search relevance: 141.58 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 02:56 AM -
This dataset presents the raw and processed sidescan mosaic for surveys completed along the 58‐km long Assateague barrier island stretching from the Ocean City inlet in Maryland, down past...
Search relevance: 133.83 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:07 AM -
Side-scan sonar images were collected using a Klein 2000 system and a 100/500-kHz towed ?sh that also contained a 3.5-kHz pro?ler source. A shipboard fathometer re- cording system was inoperable...
Search relevance: 132.74 | Views last month: 1 | Catalog Last Checked: August 02, 2026 at 11:59 PM -
Backscatter imagery data were collected over shallow subtidal areas in the San Francisco Bay estuary system. Bathymetric and acoustic backscatter data were collected simultaneously in 84 survey...
Search relevance: 127.25 | Views last month: 3 | Catalog Last Checked: August 02, 2026 at 11:30 PM -
A geophysical survey was conducted offshore Cape Canaveral, Florida by Coastal Carolina University offshore of Cape Canaveral, Florida using high-resolution chirp sub-bottom, multibeam bathymetry...
Search relevance: 126.66 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:32 AM -
Side-scan sonar images were collected using a Klein 2000 system and a 100/500-kHz towed ?sh that also contained a 3.5-kHz pro?ler source. A shipboard fathometer re- cording system was inoperable...
Search relevance: 126.29 | Views last month: 1 | Catalog Last Checked: August 02, 2026 at 11:59 PM -
In September 2023, the USGS demonstrated the use of side-scan sonar to image large densities of invasive carp in Creve Coeur Lake, Maryland Heights, Missouri, USA. A 400-meter reach was surveyed...
Search relevance: 125.97 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 04:07 AM -
Side Scan Point Files. These points correspond to individual pings which produced hte side-scan-sonar backscatter imagery. Sonar data were collected November 6 to December 15, 2009, in the...
Search relevance: 125.34 | Views last month: 5 | Catalog Last Checked: August 02, 2026 at 11:30 PM -
Side scan mosaic image of nearshore seafloor off Assateague Island. This raster image is one of eight side scan sonar (SSS) mosaic tiles (A through H, north to south), covering the marine...
Search relevance: 125.06 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:05 AM -
Side Scan Sonar and Subbottom Profiler Tracklines. Data was collected November 5 to December 15, 2009, in the estuary north from Saugerties to Troy. Fugro utilized the GeoAcoustics GeoSwath and...
Search relevance: 123.94 | Views last month: 1 | Catalog Last Checked: August 02, 2026 at 11:30 PM -
Marine Trackline Geophysical data represented within the side-scan sonar data are from towed instruments closer to the seafloor that use sound to image features on the ocean floor. This technique...
Search relevance: 121.28 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 09:08 AM -
The side scan sonar survey was done simultaneously with the bathymetry swath survey and used an EdgeTech Model 4125 Towfish bow-mounted from Lookdown at 400 and 900 kHz. The 4125 Towfish utilizes...
Search relevance: 119.42 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:58 AM -
This data set contains swath bathymetric data collected during USGS cruise 06FSH01 aboard the R/V G.K. Gilbert. A side scan sonar, bathymetric, and high-resolution seismic-reflection survey was...
Search relevance: 112.99 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 06:16 AM -
In March and September of 2015, the USGS demonstrated the utility of side-scan sonar to image large densities of invasive carp and estimate water volume on the Lamine and Blackwater Rivers, Cooper...
Search relevance: 110.91 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 06:11 AM -
In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic mapping to characterize the sea...
Search relevance: 109.67 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:19 AM -
This dataset presents the processed sidescan mosaic for Fire Island National Seashore. The acoustic sonar survey was conducted using a EdgeTech 6205, a Multi-Phase Echo sounder system. This...
Search relevance: 106.36 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 03:53 AM -
Acoustic-backscatter data were collected with a 234 kHz SwathPlus interferometric side-scan sonar during repeat bathymetric surveys of south San Francisco Bay, California between 2023 and 2025....
Search relevance: 100.37 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 04:52 AM -
In April of 2010, the U.S. Geological Survey (USGS) conducted a geophysical survey from the east end of West Ship Island, MSiss., extending to the middle of Dauphin Island, Ala. This survey had a...
Search relevance: 95.84 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 03:25 AM -
As part of the Barrier Island Monitoring Project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted nearshore geophysical surveys off...
Search relevance: 92.36 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:11 AM
