Catalog - Data.gov

Found 23 datasets matching "methane seeps".

Federal
Methane Seeps in the Northern US Atlantic Margin
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-10-18T11:49:16.000+00:00
These locations of methane seeps in the northern US Atlantic margin were derived from analysis of multibeam and water column data collected during several expeditions of the NOAA Ship Okeanos...

Search relevance: 224.64 | Views last month: 0
Federal
Multibeam echo sounder - GeoTIFF grids for processed Reson 7160 seafloor bathymetry data collected during USGS field activities 2017-001-FA and 2017-002-FA.
- Organization: Department of the Interior
- Updated: 2020-08-06T00:00:00Z
In spring and summer 2017, the U.S. Geological Survey’s Gas Hydrates Project conducted two cruises aboard the research vessel Hugh R. Sharp to explore the geology, chemistry, ecology, physics, and...
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Search relevance: 98.38 | Views last month: 1
Federal
Sound velocity profiles - locations, images, and text files for sound velocity profiles calculated from XBT and CTD casts conducted during USGS field activities 2017-001-FA and 2017-002 FA.
- Organization: Department of the Interior
- Updated: 2020-08-06T00:00:00Z
In spring and summer 2017, the U.S. Geological Survey’s Gas Hydrates Project conducted two cruises aboard the research vessel Hugh R. Sharp to explore the geology, chemistry, ecology, physics, and...
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Search relevance: 98.38 | Views last month: 0
Federal
Multibeam echo sounder - navigation tracklines for Reson 7160 data collected during USGS field activities 2017-001-FA and 2017-002-FA.
- Organization: Department of the Interior
- Updated: 2024-03-19T00:00:00Z
In spring and summer 2017, the U.S. Geological Survey’s Gas Hydrates Project conducted two cruises aboard the research vessel Hugh R. Sharp to explore the geology, chemistry, ecology, physics, and...
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Search relevance: 96.54 | Views last month: 0
Federal
Ultra-short baseline - navigation points and tracklines for Applied Acoustics EasyTrack Nexus 2 USBL data collected for ROV Global Explorer during USGS field activity 2017-001-FA.
- Organization: Department of the Interior
- Updated: 2024-03-19T00:00:00Z
In spring and summer 2017, the U.S. Geological Survey’s Gas Hydrates Project conducted two cruises aboard the research vessel Hugh R. Sharp to explore the geology, chemistry, ecology, physics, and...
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Search relevance: 94.53 | Views last month: 3
Federal
Multibeam echo sounder - GeoTIFF images for processed Reson 7160 seafloor backscatter data collected during USGS field activities 2017-001-FA and 2017-002-FA.
- Organization: Department of the Interior
- Updated: 2020-08-06T00:00:00Z
In spring and summer 2017, the U.S. Geological Survey’s Gas Hydrates Project conducted two cruises aboard the research vessel Hugh R. Sharp to explore the geology, chemistry, ecology, physics, and...
- xml
- xml
Search relevance: 94.48 | Views last month: 0
Federal
Split-beam echo sounder - navigation points, tracklines, and profile images for Simrad EK60 split-beam echo sounder data collected during USGS field activities 2017-001-FA and 2017-002-FA.
- Organization: Department of the Interior
- Updated: 2024-03-19T00:00:00Z
In spring and summer 2017, the U.S. Geological Survey’s Gas Hydrates Project conducted two cruises aboard the research vessel Hugh R. Sharp to explore the geology, chemistry, ecology, physics, and...
- xml
- xml
Search relevance: 91.85 | Views last month: 0
Federal
ES60 Water Column Sonar Data Collected During EN647-towfish
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-07-01T00:00:00.000+00:00
Two acoustic surveys were conducted as part of a cruise also looking at benthic habitat near the Baltimore Canyon methane seeps.
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Search relevance: 74.40 | Views last month: 0
Federal
Methane seep locations derived from water-column acoustic backscatter data collected along Cascadia Margin offshore Oregon and Northern California, 2018-2021
- Organization: Department of the Interior
- Updated: 2023-08-08T00:00:00Z
This dataset contains the locations of 902 methane cold seeps that were detected in acoustic water-column backscatter collected by the U.S. Geological Survey between 2018 to 2021. Rising bubbles...
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- xml
Search relevance: 72.54 | Views last month: 0
Federal
Chirp seismic reflection - shotpoints, tracklines, profile images, and SEG-Y traces for EdgeTech SB-512i chirp data collected during USGS field activity 2017-002-FA.
- Organization: Department of the Interior
- Updated: 2020-08-07T00:00:00Z
In spring and summer 2017, the U.S. Geological Survey’s Gas Hydrates Project conducted two cruises aboard the research vessel Hugh R. Sharp to explore the geology, chemistry, ecology, physics, and...
- xml
- xml
Search relevance: 71.91 | Views last month: 0
Federal
EM302 Water Column Sonar Data Collected During NA121
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-05-22T00:00:00.000+00:00
Olympic Coast NMS and Gradients of Blue Economic Resources at Deep-Sea Methane Seeps
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Search relevance: 70.73 | Views last month: 0
Federal
EK80 Water Column Sonar Data Collected During EN647-deployment-2a
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-07-01T00:00:00.000+00:00
Two acoustic surveys were conducted as part of a cruise also looking at benthic habitat near the Baltimore Canyon methane seeps.
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Search relevance: 70.10 | Views last month: 1
Federal
Water temperature, salinity, methane, methane stable isotopes, and others chemical parameters collected by CTD and Niskin bottles from research vessel Hugh R. Sharp in Mid-Atlantic Bight from 2017-08-25 to 2017-09-05 (NCEI Accession 0209090)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-03-30T00:00:00.000+00:00
This dataset includes measurements of water temperature, salinity, methane concentration, methane stable isotopes, and others chemical parameters collected by CTD and Niskin bottles from research...
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Search relevance: 69.55 | Views last month: 0
Federal
EK80 Water Column Sonar Data Collected During EN647-deployment-1
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-07-01T00:00:00.000+00:00
Two acoustic surveys were conducted as part of a cruise also looking at benthic habitat near the Baltimore Canyon methane seeps.
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Search relevance: 68.93 | Views last month: 1
Federal
Sample collection metadata for the FK190612 expedition along the Cascadia margin in June 2019
- Organization: Department of the Interior
- Updated: 2020-08-30T00:00:00Z
These are metadata related to the collection of samples on the FK190612 research expedition in the north Pacific Ocean along the Cascadia margin in June 2019. Samples were collected to examine...
- xml
- xml
Search relevance: 64.33 | Views last month: 0
Federal
Stable isotopic insights into Bathymodiolus childressi at two seeps in the U.S. Atlantic margin
- Organization: Department of the Interior
- Updated: 2020-08-30T00:00:00Z
Chemosynthetic environments support distinct benthic communities capable of utilizing reduced chemical compounds for nutrition. Hundreds of methane seeps have been documented along the U.S....
- xml
- xml
Search relevance: 62.90 | Views last month: 0
Federal
EK60 Water Column Sonar Data Collected During PC1007
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-05-10T00:00:00.000+00:00
Deepwater Horizon SEAMAP data. Unconventional configurations for both the EK60s and the ME70 allowed for three-dimensional images to be created from the split-aperture acoustic data. The ME70...
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Search relevance: 60.94 | Views last month: 0
Federal
ME70 Water Column Sonar Data Collected During PC1007
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-05-10T00:00:00.000+00:00
Deepwater Horizon SEAMAP data. Unconventional configurations for both the EK60s and the ME70 allowed for three-dimensional images to be created from the split-aperture acoustic data. The ME70...
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Search relevance: 59.51 | Views last month: 1
Federal
ABoVE: Methane Ebullition Hotspots in Frozen Lakes near Fairbanks, Alaska, Oct 2014
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset includes maps of the locations and number of methane ebullition hotspots in 15 frozen lakes in the southern portion of the Goldstream Valley and the surrounding landscape just north...
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Search relevance: 57.48 | Views last month: 0
Federal
Methane (CH4), Sulfate (SO4 2-), and others collected from E/V Nautilus in NE Pacific and Cascadia Margin from 2020-09-28 to 2020-09-30 (NCEI Accession 0276512)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-07T00:00:00.000+00:00
These data were collected from sediment at two separate ~1000m deep methane seeps on the Cascadia Margin. Sediment cores were collected at the seeps and then at increasing distance from the areas...
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Search relevance: 56.48 | Views last month: 0

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