Steven Fuller making an flood measurement
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Steven Fuller making an flood measurement
Steven Fuller making an flood measurement
Area map of National Seafloor and Habitat Mapping Studies-Atlantic
Area map of National Seafloor and Habitat Mapping Studies-Atlantic
Area map of National Seafloor and Habitat Mapping Studies-Atlantic
Map of distribution of fine- and coarse-grained sand, Stellwagen Bank
Map of distribution of fine- and coarse-grained sand, Stellwagen Bank. Blue and purple = boulder ridges. Redlines = leading edges of sand sheets
Map of distribution of fine- and coarse-grained sand, Stellwagen Bank. Blue and purple = boulder ridges. Redlines = leading edges of sand sheets
Diver collecting samples
David Brankovits collecting water samples in Molnar Janos Cave in Budapest, Hungary.
David Brankovits collecting water samples in Molnar Janos Cave in Budapest, Hungary.
Bubblegum coral
Authigenic carbonate supplies the foundation for deep-sea corals, including colonies of bubblegum corals (Paragorgia) seen here.
Authigenic carbonate supplies the foundation for deep-sea corals, including colonies of bubblegum corals (Paragorgia) seen here.
Methane-derived authigenic carbonate (MDAC) rocks on the seafloor
Methane-derived authigenic carbonate (MDAC) rocks on the seafloor on the U.S. Atlantic margin
Methane-derived authigenic carbonate (MDAC) rocks on the seafloor on the U.S. Atlantic margin
Methane Plumes
(Top) Methane plumes at the Norfolk Canyon seeps (~1600 meters or 5250 feet) were detected using the EK60 sonar. The water column plumes are shown above the sub-seafloor structure as imaged by high-resolution multichannel seismic data acquired by the USGS and processed by J. Kluesner.
(Top) Methane plumes at the Norfolk Canyon seeps (~1600 meters or 5250 feet) were detected using the EK60 sonar. The water column plumes are shown above the sub-seafloor structure as imaged by high-resolution multichannel seismic data acquired by the USGS and processed by J. Kluesner.
Methane plume
Methane plume imaged by the 30 kHz multibeam system
Methane plume imaged by the 30 kHz multibeam system
IMMeRSS Cruise expedition area
Map of the general expedition area on the northern U.S. Atlantic Margin between Baltimore Canyon and Cape Hatteras
Map of the general expedition area on the northern U.S. Atlantic Margin between Baltimore Canyon and Cape Hatteras
Aerial map of Sodus Bay, NY study sites
Aerial map of Sodus Bay, NY study sites.
Aerial map of Sodus Bay, NY study sites.
R/V Muddy Waters
The R/V Muddy Waters lends itself to be a versatile survey launch and assistance vessel for the deployment and retrieval of inshore moorings and scientific sensor platforms. The boat can easily be towed to location by a full sized pickup truck and is easily launched and retrieved for fast mobilization after storm events or other rapid response surveys.
The R/V Muddy Waters lends itself to be a versatile survey launch and assistance vessel for the deployment and retrieval of inshore moorings and scientific sensor platforms. The boat can easily be towed to location by a full sized pickup truck and is easily launched and retrieved for fast mobilization after storm events or other rapid response surveys.
Photograph of Bayou Heron, Mississippi
Photograph of moving-boat ADCP discharge measurements being made in Bayou Heron, Mississippi
Photograph of moving-boat ADCP discharge measurements being made in Bayou Heron, Mississippi
Seafloor mapping systems
Graphic showing geophysical and sampling systems used to define the seafloor topography, surface sediments, and underlying geology.
Graphic showing geophysical and sampling systems used to define the seafloor topography, surface sediments, and underlying geology.
Map showing the location of the Delmarva Peninsula
Map showing the location of the Delmarva Peninsula with a hillslope shaded relief map of the study area.
Map showing the location of the Delmarva Peninsula with a hillslope shaded relief map of the study area.
Backscatter, bathymetry, and hill shaded relief maps
(A) Maximum Likelihood Classification (MLC) with two inputs, slope, and ISO-classified backscatter for the whole survey area. (B) MLC with five inputs, slope, ISO-classified backscatter, bathymetry, hillshaded-relief, and curvature.
(A) Maximum Likelihood Classification (MLC) with two inputs, slope, and ISO-classified backscatter for the whole survey area. (B) MLC with five inputs, slope, ISO-classified backscatter, bathymetry, hillshaded-relief, and curvature.
Tiny bubbles (of methane)
Methane bubbles emerging from the seafloor at a seep site colonized by chemosynthetic mussels at ~1000 m water depth on the Virginia margin. Photograph taken by the Global Explorer operated by Oceaneering Inc.
Methane bubbles emerging from the seafloor at a seep site colonized by chemosynthetic mussels at ~1000 m water depth on the Virginia margin. Photograph taken by the Global Explorer operated by Oceaneering Inc.
Multicorer deployment to sample the seafloor
USGS ocean engineers Peter Dal Ferro and Gerry Hatcher, from the Pacific Coastal and Marine Science Center in Santa Cruz, California, deploying a multicorer to sample the seafloor near an Atlantic margin methane seep site.
USGS ocean engineers Peter Dal Ferro and Gerry Hatcher, from the Pacific Coastal and Marine Science Center in Santa Cruz, California, deploying a multicorer to sample the seafloor near an Atlantic margin methane seep site.
Samples Repository Collections map interface
Map interface of Cores, grabs, dredges, slides, and other samples, primarily of marine, estuarine, and lacustrine sediments, curated at the USGS Woods Hole Coastal and Marine Science Center.
Map interface of Cores, grabs, dredges, slides, and other samples, primarily of marine, estuarine, and lacustrine sediments, curated at the USGS Woods Hole Coastal and Marine Science Center.
Yellow River at Knox, IN
Yellow River at Knox, IN
Yellow River at Knox, IN
Leetown Science Center and Patuxent Wildlife Research Center building
Leetown Science Center and Patuxent Wildlife Research Center building
Leetown Science Center and Patuxent Wildlife Research Center building
Maps with key features and shaded relief of the study area
Left: Key features in and around the Gulf of Alaska. A black rectangle outlines our 2016 study area along the Queen Charlotte-Fairweather fault. Red arrows indicate relative tectonic plate motions. Right: A shaded relief map of the 2016 study area. Rainbow colors show seafloor depths acquired by the USGS in 2015 and 2016. Red indicates shallower depths.
Left: Key features in and around the Gulf of Alaska. A black rectangle outlines our 2016 study area along the Queen Charlotte-Fairweather fault. Red arrows indicate relative tectonic plate motions. Right: A shaded relief map of the 2016 study area. Rainbow colors show seafloor depths acquired by the USGS in 2015 and 2016. Red indicates shallower depths.