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Coastal and Marine Hazards and Resources Program images.

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Instruments deployed by PCMSC near the bay-marsh edge of Whale's Tail South marsh
Instruments deployed by PCMSC near the bay-marsh edge of Whale's Tail South marsh
Instruments deployed by PCMSC near the bay-marsh edge of Whale's Tail South marsh
Instruments deployed by PCMSC near the bay-marsh edge of Whale's Tail South marsh

Instruments deployed by PCMSC near the bay-marsh edge of Whale's Tail South marsh in Eden Landing Ecological Reserve, Hayward, CA to measure water level and suspended-sediment concentration.  View is to the north, with the San Mateo bridge in the background, and shows waves breaking against the marsh scarp during a rising tide.

Instruments deployed by PCMSC near the bay-marsh edge of Whale's Tail South marsh in Eden Landing Ecological Reserve, Hayward, CA to measure water level and suspended-sediment concentration.  View is to the north, with the San Mateo bridge in the background, and shows waves breaking against the marsh scarp during a rising tide.

Two scientists walk on the beach beside an eroding bluff under a boardwalk at Rockaway, NY
Scientists walk beside an eroding bluff on the beach
Scientists walk beside an eroding bluff on the beach
Scientists walk beside an eroding bluff on the beach

Scientists walk on the beach beside a boardwalk that sits on an eroding bluff at the Rockaway Peninsula, New York. A new study investigates the geologic framework and how human modifications to the coast have influenced sediment availability on this margin.

Scientists walk on the beach beside a boardwalk that sits on an eroding bluff at the Rockaway Peninsula, New York. A new study investigates the geologic framework and how human modifications to the coast have influenced sediment availability on this margin.

An amphibious vessel call a LARC (Lighter Amphibious Resupply Cargo) at the USACE Field Research Facility
USACE LARC used for DUNEX field work
USACE LARC used for DUNEX field work
USACE LARC used for DUNEX field work

USGS Research Geologist Jennifer Miselis will conduct shoreface geophysical surveys at the USACE Field Research Facility during DUNEX aboard the LARC, which is shown here being set up for the survey.

USGS DUNEX geophysical survey underway off of a USACE amphibious vessel in Duck, North Carolina
USGS DUNEX Survey underway off of a USACE amphibious vessel
USGS DUNEX Survey underway off of a USACE amphibious vessel
USGS DUNEX Survey underway off of a USACE amphibious vessel

A geophysical instrument (chirp) is towed in the water (yellow instrument) from a floating sled to acquire information about the geology below the seafloor in Duck, NC as part of DUNEX. The USACE Field Research Facility can be seen in the background in the upper left corner.

A geophysical instrument (chirp) is towed in the water (yellow instrument) from a floating sled to acquire information about the geology below the seafloor in Duck, NC as part of DUNEX. The USACE Field Research Facility can be seen in the background in the upper left corner.

several people stand in front of a large research vessel wearing masks
Seismic science crew and the R/V Sproul
Seismic science crew and the R/V Sproul
Seismic science crew and the R/V Sproul

In the background is the Research Vessel (R/V) Robert Gordon Sproul, operated by Scripps Institution of Oceanography (SIO).

A sandy beach and groin with buildings in the background at Seven Mile Island, New Jersey
Beach and groin at Seven Mile Island, New Jersey
Beach and groin at Seven Mile Island, New Jersey
Beach and groin at Seven Mile Island, New Jersey

A groin at Seven Mile Island, New Jersey traps sand and contributes to widening of the barrier beach. This illustrates how human modification and wave processes shape the beach. In May 2021, Andrew Farmer, Chelsea Stalk, and Emily Wei conducted a multibeam bathymetry survey offshore of Seven Mile Island, along the southern coast of New Jersey.

A groin at Seven Mile Island, New Jersey traps sand and contributes to widening of the barrier beach. This illustrates how human modification and wave processes shape the beach. In May 2021, Andrew Farmer, Chelsea Stalk, and Emily Wei conducted a multibeam bathymetry survey offshore of Seven Mile Island, along the southern coast of New Jersey.

A utility task vehicle parked on a beach with plants in the background, seaweed on the ground, and a cloudy sky above.
UTV in front of beach scarp
UTV in front of beach scarp
UTV in front of beach scarp

UTV (utility task vehicle) parked in front of a beach scarp used to collect data that is used in cooperation with FWC, FWS, USGS, and USFSP to understand sea turtle nesting behavior in response to beach renourishment with the goal of advising engineers on how to develop more turtle friendly nourishment desig

UTV (utility task vehicle) parked in front of a beach scarp used to collect data that is used in cooperation with FWC, FWS, USGS, and USFSP to understand sea turtle nesting behavior in response to beach renourishment with the goal of advising engineers on how to develop more turtle friendly nourishment desig

Wave-eroded marsh scarp of Whale's Tail South marsh
Wave-eroded marsh scarp of Whale's Tail South marsh
Wave-eroded marsh scarp of Whale's Tail South marsh
Wave-eroded marsh scarp of Whale's Tail South marsh

Wave-eroded marsh scarp of Whale's Tail South marsh in Eden Landing Ecological Reserve, Hayward, CA at low tide, looking south.

People on the deck of a research vessel handling a piece of scientific equipment
Deploying seismic streamer
Deploying seismic streamer
Deploying seismic streamer

Science crew from the USGS Pacific Coastal and Marine Science Center work on deployment of seismic streamer on deck of R/V Robert Gordon Sproul. Green cable is the hydrophone streamer and a "bird" is being attached to control depth in the water.

Science crew from the USGS Pacific Coastal and Marine Science Center work on deployment of seismic streamer on deck of R/V Robert Gordon Sproul. Green cable is the hydrophone streamer and a "bird" is being attached to control depth in the water.

A series of three images arranged side by side, one a map of an island, one zoomed to the island study area, and a plot of data.
Puerto Rico study area and Hurricane María path and data
Puerto Rico study area and Hurricane María path and data
Puerto Rico study area and Hurricane María path and data

(Left) Map of Puerto Rico showing study area location (red box), the oceanographic buoys (orange triangles), and the track of María with eye timing and locations (black dots) in 6-hour increments and the wind radii of 64-knot winds (gray circular outlines).

(Left) Map of Puerto Rico showing study area location (red box), the oceanographic buoys (orange triangles), and the track of María with eye timing and locations (black dots) in 6-hour increments and the wind radii of 64-knot winds (gray circular outlines).

two people with SCUBA gear in the water next to a scientific instrument on the surface
Divers prepare to deploy ADCP
Divers prepare to deploy ADCP
Divers prepare to deploy ADCP

Scientific divers BJ Reynolds and Hunter Wilcox prepare to lower an Acoustic Doppler Current Profiler (ADCP) into the water. The ADCP now sits on the bottom of the ocean off Madeira beach, Florida in 5m water depth.

Scientific divers BJ Reynolds and Hunter Wilcox prepare to lower an Acoustic Doppler Current Profiler (ADCP) into the water. The ADCP now sits on the bottom of the ocean off Madeira beach, Florida in 5m water depth.

Scientific equipment, including a box and a cylindrical object, attached to a green platform on the deck of a boat
ADCP ready for deployment
ADCP ready for deployment
ADCP ready for deployment

An Acoustic Doppler Current Profiler (ADCP) on the deck of the R/V Sallenger ready to be deployed in the water. The ADCP now sits on the bottom of the ocean off Madeira beach, Florida in 5m water depth.

An Acoustic Doppler Current Profiler (ADCP) on the deck of the R/V Sallenger ready to be deployed in the water. The ADCP now sits on the bottom of the ocean off Madeira beach, Florida in 5m water depth.

A man, wearing safety gear and holding a pen, sits at a work station on a boat with a folder open in front of him.
Monitoring equipment in the ocean
Monitoring equipment in the ocean
Monitoring equipment in the ocean

Ocean engineer Gerry Hatcher, of the USGS Pacific Coastal and Marine Science Center (PCMSC), sits at a desk on board the USGS boat Sallenger. He and a team of scientists from PCMSC and sister team St.

sun setting over the ocean viewed from the back deck of a research vessel
Sunset on the R/V Sproul
Sunset on the R/V Sproul
Sunset on the R/V Sproul

Looking across the back deck/stern of the R/V Robert Gordon Sproul. The wire going through the block in the A-frame leads to the CHIRP sonar fish towed in the water. Oil platforms are shown in the distance.

Looking across the back deck/stern of the R/V Robert Gordon Sproul. The wire going through the block in the A-frame leads to the CHIRP sonar fish towed in the water. Oil platforms are shown in the distance.

Two map illustrations show the mouth of a river along a westward-facing coastline and its computer model of water depth.
Map of model bathymetry, Columbia River
Map of model bathymetry, Columbia River
Map of model bathymetry, Columbia River

A three-dimensional hydrodynamic model of the lower Columbia River (LCR) was constructed using the Delft3D Flexible Mesh (DFM) modeling suite to simulate water levels, flow, and seabed stresses between January 1, 2017, and April 20, 2020

A three-dimensional hydrodynamic model of the lower Columbia River (LCR) was constructed using the Delft3D Flexible Mesh (DFM) modeling suite to simulate water levels, flow, and seabed stresses between January 1, 2017, and April 20, 2020

Photograph of Rigaku Miniflex 600
Woods Hole Sediment Analysis Lab's Rigaku Miniflex 600
Woods Hole Sediment Analysis Lab's Rigaku Miniflex 600
Woods Hole Sediment Analysis Lab's Rigaku Miniflex 600

Woods Hole Coastal and Marine Science Center Sediment Analysis Laboratory's Rigaku Miniflex 600 (USGS laboratory equipment number WH-SED-Rigaku-Miniflex1).

Photograph of cabinets in the Woods Hole Coastal and Marine Science Center Sediment Analysis Lab
Woods Hole Sed Lab's collection of sieves.
Woods Hole Sed Lab's collection of sieves.
Woods Hole Sed Lab's collection of sieves.

Photograph of cabinets in the Woods Hole Coastal and Marine Science Center Sediment Analysis Laboratory contaning the lab's collection of sieves.

Photograph of Woods Hole Coastal and Marine Science Center's Sed Lab equipment
Woods Hole Sed Lab's Horiba LA-960 laser defraction unit
Woods Hole Sed Lab's Horiba LA-960 laser defraction unit
Woods Hole Sed Lab's Horiba LA-960 laser defraction unit

Woods Hole Coastal and Marine Science Center Sediment Analysis Laboratory's Horiba LA-960 laser diffraction unit with slurry sampler (USGS laboratory equipment number WH-SED-Horiba-LA9601).

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