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Found 44 datasets matching "methane seep".

#1 Federal
Data and calculations to support the study of the sea-air flux of methane and carbon dioxide on the West Spitsbergen margin in June 2014
- Organization: Department of the Interior
- Updated: 2020-08-07T00:00:00Z
A critical question for assessing global greenhouse gas budgets is how much of the methane that escapes from seafloor cold seep sites to the overlying water column eventually crosses the sea-air...
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Search relevance: 97.08 | Views last month: 0
#2 Federal
EM122 Water Column Sonar Data Collected During AT42-24
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-08-11T00:00:00.000+00:00
Collaborative Research: dispersal depth and the transport of deep-sea, methane-seep larvae around a biogeographic barrier
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Search relevance: 73.06 | Views last month: 0
#3 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: 70.60 | Views last month: 1
#4 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: 70.60 | Views last month: 0
#5 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: 70.60 | Views last month: 0
#6 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...
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Search relevance: 69.57 | Views last month: 0
#7 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...
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- xml
Search relevance: 69.57 | Views last month: 0
#8 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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Search relevance: 69.50 | Views last month: 0
#9 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: 68.89 | Views last month: 3
#10 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: 68.34 | Views last month: 0
#11 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....
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Search relevance: 67.16 | Views last month: 0
#12 Federal
Potential Areas of Gas Seepage Detected by SAR in Lakes near Fairbanks, Alaska
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset includes maps and locations of potential gas seepage in lakes within the immediate and surrounding area around Fairbanks, Alaska, a region underlain by discontinuous permafrost and...
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Search relevance: 65.87 | Views last month: 0
#13 Federal
Longwave-infrared spectral imagery in support of COMEX, 2014
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset provides calibrated at-sensor radiance, retrieved surface brightness temperature, and adaptive coherence estimator (ACE) detection imagery of methane, and a limited number of...
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Search relevance: 56.41 | Views last month: 0
#14 Federal
EK60 Water Column Sonar Data Collected During HB0904
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-02-01T00:00:00.000+00:00
Habitat Mapping Cruise - Hudson Canyon (HB0904, EK60). Objectives are to: 1) perform multibeam mapping of transitional and deepwater habitats in Hudson Canyon (off New Jersey) with the National...
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Search relevance: 50.06 | Views last month: 1
#15 Federal
Habitat Mapping Cruise (HB0805, EK60)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2008-06-19T00:00:00.000+00:00
Objectives are to: 1) perform multibeam mapping of transitional and deepwater habitats in Hudson Canyon (off New Jersey) with the National Institute of Undersea Science and Technology (NIUST) AUV...
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Search relevance: 49.23 | Views last month: 0
#16 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: 43.51 | Views last month: 1
#17 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: 43.24 | Views last month: 0
#18 Federal
UAV-based methane data from Barter Island, Northern Alaska, September 2017
- Organization: Department of the Interior
- Updated: 2020-10-19T00:00:00Z
We present methane data from along the coast of Barter Island, Alaska, collected with an Unmanned Aerial System and an off-the-shelf, cost-effective methane sensor. The data were collected on...
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Search relevance: 30.19 | Views last month: 0
#19 Federal
Atlantic Deep-Water Canyons (Benthic Landers) 2013
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-10-30T20:55:40.000+00:00
Each benthic lander contains a programmable sediment trap which can take 12 monthly samples, plus instruments to record temperature, salinity, dissolved oxygen, turbidity, and bottom...
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Search relevance: 24.50 | Views last month: 0
#20 Federal
Deepwater Canyons 2013: Pathways to the Abyss
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-10-30T16:23:17.000+00:00
Leg I focused on biological objectives in Norfolk Canyon, with some sampling in Baltimore Canyon. Leg II focused on archaeological targets in and around the Norfolk Canyon area, with...

Search relevance: 20.54 | Views last month: 0

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