Catalog - Data.gov

Found 18 datasets matching "Sounding Datum Line".

Federal
Coastal Bathymetry Data Collected in 2016 from the Chandeleur Islands, Louisiana–Interpolated Digital Elevation Model
- Organization: Department of the Interior
- Updated: 2020-10-13T00:00:00Z
The U.S. Geological Survey St. Petersburg Coastal and Marine Science Center (USGS SPCMSC), collected single beam and swath bathymetry data from the northern Chandeleur Islands, Louisiana, in June...
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Search relevance: 38.03 | Views last month: 0
Federal
Eelgrass distributions and bathymetry derived from an acoustic survey of the Nisqually River delta, Washington, 2012
- Organization: Department of the Interior
- Updated: 2020-10-19T00:00:00Z
This portion of the USGS data release presents eelgrass distribution and bathymetry data derived from acoustic surveys of the Nisqually River delta, Washington in 2012 (USGS Field Activity Number...
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Search relevance: 31.23 | Views last month: 0
Federal
Eelgrass distributions and bathymetry derived from an acoustic survey of the Nisqually River delta, Washington, 2014
- Organization: Department of the Interior
- Updated: 2020-10-19T00:00:00Z
This portion of the USGS data release presents eelgrass distribution and bathymetry data derived from acoustic surveys of the Nisqually River delta, Washington in 2014 (USGS Field Activity Number...
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Search relevance: 30.94 | Views last month: 0
Federal
Eelgrass distributions and bathymetry derived from an acoustic survey of the Nisqually River delta, Washington, 2017
- Organization: Department of the Interior
- Updated: 2020-10-19T00:00:00Z
This portion of the USGS data release presents eelgrass distribution and bathymetry data derived from acoustic surveys of the Nisqually River delta, Washington in 2017 (USGS Field Activity Number...
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Search relevance: 30.73 | Views last month: 0
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection
- Organization: Department of the Interior
- Updated: 2023-09-13T00:00:00Z
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
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Search relevance: 27.75 | Views last month: 83
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
- Organization: Department of the Interior
- Updated: 2023-09-13T00:00:00Z
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
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Search relevance: 25.91 | Views last month: 8
Federal
NOAA ENC Direct to GIS
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2001-01-01T00:00:00.000+00:00
NOAA's Electronic Navigational Charts (NOAA ENCs) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENCs are in S-57, a data standard...
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Search relevance: 22.64 | Views last month: 2
Federal
Eelgrass distributions and bathymetry of Bellingham Bay, Washington, 2019
- Organization: Department of the Interior
- Updated: 2021-10-13T00:00:00Z
This data release presents eelgrass distributions and bathymetry data derived from acoustic surveys of Bellingham Bay, Washington. Survey operations were conducted between February 16 and February...
- xml
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Search relevance: 22.17 | Views last month: 0
Federal
EK60 Water Column Sonar Data Collected During EX2502
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-27T00:00:00.000+00:00
Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz (kHz) Kongsberg EM 304 MKII multibeam sonar. The nominal transmit (TX) alongtrack beamwidth is 0.5°, and the nominal...
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Search relevance: 16.94 | Views last month: 0
Federal
EM304 Water Column Sonar Data Collected During EX2501
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-09-05T00:00:00.000+00:00
These Multibeam Summary Products are generated by NOAA Ocean Exploration after each NOAA Ship Okeanos Explorer mission. Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz...
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Search relevance: 16.83 | Views last month: 2
Federal
EM304 Water Column Sonar Data Collected During EX2405
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-26T00:00:00.000+00:00
Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz (kHz) Kongsberg EM 304 MKII multibeam sonar. The nominal transmit (TX) alongtrack beamwidth is 0.5°, and the nominal...
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Search relevance: 16.83 | Views last month: 2
Federal
EM304 Water Column Sonar Data Collected During EX2403
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-26T00:00:00.000+00:00
Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz (kHz) Kongsberg EM 304 MKII multibeam sonar. The nominal transmit (TX) alongtrack beamwidth is 0.5°, and the nominal...
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Search relevance: 16.78 | Views last month: 1
Federal
EK60 Water Column Sonar Data Collected During EX2404
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-25T00:00:00.000+00:00
Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz (kHz) Kongsberg EM 304 MKII multibeam sonar. The nominal transmit (TX) alongtrack beamwidth is 0.5°, and the nominal...
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Search relevance: 16.78 | Views last month: 0
Federal
EM304 Water Column Sonar Data Collected During EX2502
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-27T00:00:00.000+00:00
Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz (kHz) Kongsberg EM 304 MKII multibeam sonar. The nominal transmit (TX) alongtrack beamwidth is 0.5°, and the nominal...
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Search relevance: 16.68 | Views last month: 1
Federal
EK60 Water Column Sonar Data Collected During EX2501
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-09-06T00:00:00.000+00:00
These Multibeam Summary Products are generated by NOAA Ocean Exploration after each NOAA Ship Okeanos Explorer mission. Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz...
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Search relevance: 16.68 | Views last month: 1
Federal
EK60 Water Column Sonar Data Collected During EX2405
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-26T00:00:00.000+00:00
Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz (kHz) Kongsberg EM 304 MKII multibeam sonar. The nominal transmit (TX) alongtrack beamwidth is 0.5°, and the nominal...
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Search relevance: 16.68 | Views last month: 0
Federal
EM304 Water Column Sonar Data Collected During EX2404
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-25T00:00:00.000+00:00
Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz (kHz) Kongsberg EM 304 MKII multibeam sonar. The nominal transmit (TX) alongtrack beamwidth is 0.5°, and the nominal...
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Search relevance: 16.68 | Views last month: 0
Federal
EK60 Water Column Sonar Data Collected During EX2403
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-26T00:00:00.000+00:00
Equipment Used: NOAA Ship Okeanos Explorer is equipped with a 26 kilohertz (kHz) Kongsberg EM 304 MKII multibeam sonar. The nominal transmit (TX) alongtrack beamwidth is 0.5°, and the nominal...
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Search relevance: 16.68 | Views last month: 0

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