Coastal and Marine Hazards and Resources Program

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Coastal and Marine Hazards and Resources Program scientists and staff study coastal and ocean resources and processes from shorelines and estuaries to the continental shelf and deep sea. 

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News

Date published: July 12, 2019

USGS: Barry's waves, surge to affect beaches in four Gulf Coast states

Though Louisiana landfall is likely, highest waves expected to strike east of the storm

Date published: July 11, 2019

Waves and surge from Tropical Storm Barry will impact Gulf Coast beaches

To better understand storm impacts on the coast, the USGS National Assessment of Storm-Induced Coastal Change Hazards group is responding to Tropical Storm Barry.

Publications

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Year Published: 2019

Morphology and genesis of giant seafloor depressions on the southeasterncontinental shelf of the Korean Peninsula

We identify and describe five giant seafloor depressions from the southeastern continental shelf of the Korean Peninsula using multibeam bathymetry, sub-bottom profiler, and multi-channel seismic reflection data, supplemented by piston cores. Multibeam bathymetry data from the shelf show four crescent-shaped depressions (SD1 to SD4) and one near-...

Cukur, Deniz; Kong, Gee-Soo; Chun, Jong-Hwa; Kang, Moo-Hee; Um, In-Kwon; Kwon, Taekhyun; Johnson, Samuel; Kim, Kyong-O

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Year Published: 2019

The roles of flow acceleration and deceleration in sediment suspension in the surf zone

Prediction of sediment suspension in the surf zone remains elusive. We explore how suspended sediment concentration at 19 cm above the bed in the mid-surf zone during a storm is influenced by flow acceleration and deceleration. There is a tendency for higher suspended sediment concentrations during onshore flow, with decelerating onshore flows...

Jaffe, Bruce E.; La Selle, Seanpaul
Jaffe, B.E., and La Selle, S., 2019, The roles of flow acceleration and deceleration in sediment suspension in the surf zone: in Wang, P., Rosati, J.D., and Vallee, M., eds., Coastal Sediments 2019, Proceedings of the 9th International Conference: World Scientific, Hackensack, New Jersey, p. 565-576, https://doi.org/10.1142/9789811204487_0050.

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Year Published: 2019

Linking direct measurements of turbidity currents to submarine canyon-floor deposits

Submarine canyons are conduits for episodic and powerful sediment density flows (commonly called turbidity currents) that move globally significant amounts of terrestrial sediment and organic carbon into the deep sea, forming some of the largest sedimentary deposits on Earth. The only record available for most turbidity currents is the deposit...

Maier, Katherine L.; Gales, Jenny; Paull, Charles K.; Rosenberger, Kurt J.; Talling, Peter J.; Simmons, Stephen; Gwiazda, Roberto; McGann, Mary; Cartigny, Matthieu J.B.; Lundsten, Eve M.; Anderson, Krystle; Clare, Michael; Xu, Jingping; Parsons, Daniel; Barry, James P.; Wolfson-Schwher, Monica; Nieminski, Nora M.; Sumner, Esther J