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Coastal and Marine Hazards and Resources Program images.

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Photograph of USGS scientist collecting water samples in a marsh
Collecting Water Samples
Collecting Water Samples
Collecting Water Samples

USGS samples water within wetlands to understand which environmental drivers impact carbon cycle and sediment accretion. Here USGS staff (Jennifer O'Keefe Suttles) pumps water from at Phragmites wetland, Mashpee, MA, to analyze at the Woods Hole Coastal and Marine Science Center Environmental Geochemistry lab.

USGS samples water within wetlands to understand which environmental drivers impact carbon cycle and sediment accretion. Here USGS staff (Jennifer O'Keefe Suttles) pumps water from at Phragmites wetland, Mashpee, MA, to analyze at the Woods Hole Coastal and Marine Science Center Environmental Geochemistry lab.

Diagrams of water-based equipment with cameras and flotation, and labels describe the various parts.
SQUID-5 Towed Surface Vehicle
SQUID-5 Towed Surface Vehicle
SQUID-5 Towed Surface Vehicle

Diagram of the SQUID-5 towed surface vehicle and the waterproof camera housings with labeled components. The camera mounting mechanism aligns the camera axially with the dome and allows the camera to be adjusted fore and aft to accommodate various lens types and enable alignment with the glass port radius of curvature for minimal distortion.

Diagram of the SQUID-5 towed surface vehicle and the waterproof camera housings with labeled components. The camera mounting mechanism aligns the camera axially with the dome and allows the camera to be adjusted fore and aft to accommodate various lens types and enable alignment with the glass port radius of curvature for minimal distortion.

4 images depicting glass micromodel,  fluid flow through solid cylinders, electron microscope images,
Benchtop Transparent Micromodels
Benchtop Transparent Micromodels
Benchtop Transparent Micromodels

A glass micromodel (upper left) allows fluid flow through gaps between solid cylinders (gap size of 100 micrometers is shown in the upper-right image). Injecting fine-grained materials allows us to characterize the conditions in which clogs occur, as they have done in the upper- and lower-right pictures.

A glass micromodel (upper left) allows fluid flow through gaps between solid cylinders (gap size of 100 micrometers is shown in the upper-right image). Injecting fine-grained materials allows us to characterize the conditions in which clogs occur, as they have done in the upper- and lower-right pictures.

long shot of scientific laboratory with equipment on the floor, walls, and shelving
HyPrCAL Laboratory
HyPrCAL Laboratory
HyPrCAL Laboratory

The USGS Gas Hydrates Project manages the standalone Hydrate Pressure Core Analysis Laboratory (HyPrCAL) at the Woods Hole Coastal and Marine Science Center (WHCMSC) to study hydrate-bearing sediments in support of energy resources a

offshore surge and offshore waves coastal models
Model output of offshore surges and waves
Model output of offshore surges and waves
Model output of offshore surges and waves

Hurricane Sandy (2012) modeling: Modeling can reveal the contributions from underlying processes individually. These images show contribution from offshore surge (change in water level) and offshore waves to maximum water levels (in meters) within a bay during a coastal storm.

Hurricane Sandy (2012) modeling: Modeling can reveal the contributions from underlying processes individually. These images show contribution from offshore surge (change in water level) and offshore waves to maximum water levels (in meters) within a bay during a coastal storm.

man wearing a blue jacket, dark face mask, and eye protective gear kneeling next to laboratory equipment
Adrian Garcia with HyPrCAL laboratory equipment
Adrian Garcia with HyPrCAL laboratory equipment
Adrian Garcia with HyPrCAL laboratory equipment

The USGS Gas Hydrates Project develops and tests new tools to address the critical knowledge gaps identified as scientists analyze hydrate-bearing pressure cores recovered during field programs.

Two images show the same cliff region, one has fewer data points by eliminating the frothy beach waves.
Fort Funston Structure-from-Motion point clouds
Fort Funston Structure-from-Motion point clouds
Fort Funston Structure-from-Motion point clouds

As part of the Remote Sensing of Coastal Change and Florence Supplemental projects we have been developing novel workflows for repeat-mapping of ­­­coastal environments at order decimeter resolution over up to hundreds of kilometers in a single day, using Structure-from-Motion photogrammetry or SfM, from crewed aerial platforms.

As part of the Remote Sensing of Coastal Change and Florence Supplemental projects we have been developing novel workflows for repeat-mapping of ­­­coastal environments at order decimeter resolution over up to hundreds of kilometers in a single day, using Structure-from-Motion photogrammetry or SfM, from crewed aerial platforms.

An illustration of a coastal cliff looking from the sky at an angle.
Fort Funston Structure-from-Motion point cloud, masked
Fort Funston Structure-from-Motion point cloud, masked
Fort Funston Structure-from-Motion point cloud, masked

Perspective view of large SfM point cloud of region of Fort Funston, CA., with automated data cleaning (masking). This cleaned data has 50% fewer points.

Coral on a cinderblock and a scuba diver on a coral reef
USGS scuba diver on a coral reef in Dry Tortugas National Park
USGS scuba diver on a coral reef in Dry Tortugas National Park
USGS scuba diver on a coral reef in Dry Tortugas National Park

The U.S. Geological Survey is conducting research to guide the recovery of the threatened Elkhorn coral, Acropora palmata, in Dry Tortugas National Park and throughout the western Atlantic.

Left: a view of rough seas past a railing. Right: a computer visualization showing the area that might be buried as a red block
Wave conditions and probability of burial during munitions experiment
Wave conditions and probability of burial during munitions experiment
Wave conditions and probability of burial during munitions experiment

A) Conditions during a 2015 munitions mobility experiment in Duck, NC, and B) cartographic visualization of hindcast probability of munitions’ complete burial during the experiment.

An orange branching coral grows on a cinderblock on a reef in clear water.
Experimental elkhorn coral in Dry Tortugas National Park
Experimental elkhorn coral in Dry Tortugas National Park
Experimental elkhorn coral in Dry Tortugas National Park

The U.S. Geological Survey St. Petersburg Coastal and Marine Science Center is conducting research to guide the restoration and recovery of the threatened elkhorn coral, Acropora palmata, in Dry Tortugas National Park and throughout the western Atlantic.

a small yellow boat on green brown water with waves breaking
Autonomous Surf Vehicle in Action
Autonomous Surf Vehicle in Action
Autonomous Surf Vehicle in Action

The autonomous surf vehicle, built and controlled remotely  by Peter Traykovski of WHOI, is used to map the bathymetry of the Pea Island DUNEX Experiment Site. 

a dune that has been eroded several feet
Erosion of dunes following Tropical Storm Eta
Erosion of dunes following Tropical Storm Eta
Erosion of dunes following Tropical Storm Eta

Tropical Storm Eta affected beaches along Florida's Gulf Coast in November 2020. Some dunes were eroded up to several feet due to the high water levels associated with the storm. Madeira Beach is home to many people and animals, and erosion events such as this can affect both habitat and infrastructure.

Tropical Storm Eta affected beaches along Florida's Gulf Coast in November 2020. Some dunes were eroded up to several feet due to the high water levels associated with the storm. Madeira Beach is home to many people and animals, and erosion events such as this can affect both habitat and infrastructure.

Aerial view of a beach under a stormy sky, the ocean with waves reaching all the way across the beach, pushing sand onto a patio
Tropical Storm Eta effects on Madeira Beach, Florida
Tropical Storm Eta effects on Madeira Beach, Florida
Tropical Storm Eta effects on Madeira Beach, Florida

Tropical Storm Eta had effects on Florida's Gulf Coast beaches, including dune erosion and overwash. This image from the coast cam at Madeira Beach, Florida captured high water levels and resulting overwash of sand onto the patio of the Shoreline Resort.

Tropical Storm Eta had effects on Florida's Gulf Coast beaches, including dune erosion and overwash. This image from the coast cam at Madeira Beach, Florida captured high water levels and resulting overwash of sand onto the patio of the Shoreline Resort.

USGS employee measures water chemistry underwater in Double Keyhole Cave, FL
Measuring water chemistry in Double Keyhole Cave, FL
Measuring water chemistry in Double Keyhole Cave, FL
Measuring water chemistry in Double Keyhole Cave, FL

Robert Scharping, a post-doctoral fellow jointly appointed by the USGS and the Woods Hole Oceanographic Institution (WHOI) measures water chemistry 40’ underwater and underground in Double Keyhole Cave near the coastline of Tampa Bay Florida.

Robert Scharping, a post-doctoral fellow jointly appointed by the USGS and the Woods Hole Oceanographic Institution (WHOI) measures water chemistry 40’ underwater and underground in Double Keyhole Cave near the coastline of Tampa Bay Florida.

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