Images

A renourished dune with protective vegetation planted on the barrier island in Beach Haven, NJ

Chuck Worley (USGS) monitoring the real-time sonar data aboard the R/V Petrel during the geophysical survey in May 2018.

Nearshore geophysical mapping with sub-bottom sled (foreground), personal watercraft equipped with echosounders (background, water) and beach-based personnel (background, beach).

Dark image: the darkest pixel values throughout the video, useful for tracking sediment plumes, tracking floating debris, and filtering out breaking waves.

Bright image: the brightest pixel values throughout the video, useful for identifying the position of maximum wave run-up on the beach, position of all breaking waves, and sea-state.

Image from video camera overlooking the coast along a beach on Whidbey Island, WA. Every half hour during daylight hours, the camera shoots video for 10 minutes. This snapshot is the first frame in the 10-minute sequence.

Timex (time-exposure) image: a time-averaged image of all frames, smoothing away surface waves and determining the location of persistent wave-breaking (indicative of shallow sandbars).

Variance image: the standard deviation of pixel intensity throughout the video, and it is useful for determining how much variation or movement is occurring at a given location.

A pair of video cameras overlook the coast along a beach on Whidbey Island, Island County at the northern boundary of Puget Sound in western Washington. View looks west out into the Strait of Juan de Fuca.

Displays showing themultibeam-sonar data acquisition and the navigation system aboard the R/V Petrel during the geophysical survey in May 2018.

Subbottom profiler system towed on pontoons behind the R/V Petrel during the geophysical survey in May 2018

Captain Steve Evert (Stockton University) at the helm of the R/V Petrel during the geophysical survey in May 2018.  Captain Evert is also director of the Stockton University Marine Field Station and mentor to several students who joined the team for various parts of the geophysical and sampling surveys.

The Coastal Sediment Availability and Flux project conducts research and monitoring of sediment movement and coastal change at several barrier islands around the U.S.

USGS vessels and staff acquiring geophysical data in the nearshore. Collecting shoreface data in the water as close to the beach as possible is difficult with breaking waves. The USGS St. Petersburg Coastal and Marine Science Center adapted existing equipment for data collection in shallow water.

Container of mud from the Clarion-Clipperton Zone, an expanse of the deep Pacific seafloor rich in manganese nodules. Amy Gartman (USGS) and Phoebe Lam (University of California, Santa Cruz) will study chemical interactions between the mud and metals in seawater.

Beach at the southern end of Long Beach Island in the town of Holgate, NJ.  Note the large eroded scarp on beach with person as scale. 

Two video cameras overlook the coast at Sunset State Beach in Watsonville, California. Camera 1 looks northwest while Camera 2 looks north. Every half hour during daylight hours, the cameras collect snapshots and video for 10 minutes. The various imagery collected:

Two video cameras overlook the coast at Sunset State Beach in Watsonville, California. Camera 1 looks northwest while Camera 2 looks north. Every half hour during daylight hours, the cameras collect snapshots and video for 10 minutes. The various imagery collected:

Image from video camera overlook the coast at Sunset State Beach in Watsonville, CA. Every half hour during daylight hours, the camera shoots video for 10 minutes. This snapshot is the first frame in the 10-minute sequence.

Two video cameras overlook the coast at Sunset State Beach in Watsonville, California. Camera 1 looks northwest while Camera 2 looks north. Every half hour during daylight hours, the cameras collect snapshots and video for 10 minutes. The various imagery collected:

Two video cameras overlook the coast at Sunset State Beach in Watsonville, California. Camera 1 looks northwest while Camera 2 looks north. Every half hour during daylight hours, the cameras collect snapshots and video for 10 minutes. The various imagery collected: