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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Date published: August 25, 2021

Coastal Change Hazards Team Forecasted Hurricane Henri Beach Impacts

As Hurricane Henri approached the US northeast Atlantic coast, the USGS Coastal Change Hazards team produced a series of forecasts for impacts on the beach. Forecasts for New York, Rhode Island, Massachusetts were updated daily based on wave and storm surge forecasts from NOAA.

Publications

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Year Published: 2021

Geologic and geophysical maps of the Santa Maria and part of the Point Conception 30'×60' quadrangles, California

This report presents digital geologic, gravity, and aeromagnetic maps for the onshore parts of the Santa Maria and Point Conception 30'x60' quadrangles at a compilation scale of 1:100,000. The map depicts the distribution of bedrock units, surficial deposits, paleontological data, geophysical data and structural features in the Santa Maria basin...

Sweetkind, Donald S.; Langenheim, Victoria E.; McDougall-Reid, Kristin; Sorlien, Christopher C.; Demas, Shiera C.; Tennyson, Marilyn E.; Johnson, Samuel Y.
Sweetkind, D.S., Langenheim, V.E., McDougall-Reid, K., Sorlien, C.C., Demas, S.C., Tennyson, M.E., and Johnson, S.Y., 2021, Geologic and geophysical maps of the Santa Maria and part of the Point Conception 30'×60' quadrangles, California: U.S. Geological Survey Scientific Investigations Map 3472, 1 sheet, scale 1:100,000, 58-p. pamphlet, https://doi.org/10.3133/sim3472. [Supersedes USGS Open-File Reports 95–25 and 92–189.]

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Year Published: 2021

Colored shaded-relief bathymetry, acoustic backscatter, and selected perspective views of the northern part of the California Continental Borderland, southern California

The California Continental Borderland is the complex continental margin in southern California that extends from Point Conception southward into northern Baja California (Fisher and others, 2009). This colored shaded-relief bathymetry map of the northern continental borderland in southern California was generated primarily from multibeam-...

Dartnell, Peter; Roland, Emily C.; Raineault, Nicole A.; Castillo, Christopher M.; Conrad, James E.; Kane, Renato; Brothers, Daniel S.; Kluesner, Jared; Walton, Maureen A. L.
Dartnell, P., Roland, E.C., Raineault, N.A., Castillo, C.M., Conrad, J.E., Kane, R., Brothers, D.S., Kluesner, J., and Walton, M.A.L., 2021, Colored shaded-relief bathymetry, acoustic backscatter, and selected perspective views of the northern part of the California Continental Borderland, southern California: U.S. Geological Survey Scientific Investigations Map 3473, 3 sheets, scale 1:250,000, https://doi.org/10.3133/sim3473.

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Year Published: 2021

Extent of impact of deep-sea nodule mining midwater plumes is influenced by sediment loading, turbulence and thresholds

Deep-sea polymetallic nodule mining research activity has substantially increased in recent years, but the expected level of environmental impact is still being established. One environmental concern is the discharge of a sediment plume into the midwater column. We performed a dedicated field study using sediment from the Clarion Clipperton...

Munoz-Royo, Carlos; Peacock, Thomas; Alford, Matthew; Smith, Jerome; Le Boyer, Arnaud; Kulkarni, Chinmay; Lermusiaux, Pierre; Haley, Patrick; Mirabito, C; Wang, Dayang; Adams, Eric; Ouillon, Raphael; Breugem, Alexander; Decrop, Boudewijn; Lanckreit, Thijs; Supekar, Rohit; Rzeznik, Andrew; Gartman, Amy; Se-Jong Ju