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Pacific Coastal and Marine Science Center

PCMSC is one of three centers serving the mission of the USGS Coastal and Marine Hazards and Resources Program—the primary Federal marine geology and physical science research program responsible for the Nation’s entire coastal and marine landscape. 

News

Permafrost thaw and subsidence, sea-level rise, and erosion are transforming Alaska’s Arctic coastal zone

Permafrost thaw and subsidence, sea-level rise, and erosion are transforming Alaska’s Arctic coastal zone

Interior Highlights Critical Mineral Prospectivity on the Seafloor

Interior Highlights Critical Mineral Prospectivity on the Seafloor

Multibeam bathymetric data offer high-resolution imagery of the entire Cascadia Subduction Zone

Multibeam bathymetric data offer high-resolution imagery of the entire Cascadia Subduction Zone

Publications

Ecological thresholds and transformations due to climate change: The role of abiotic stress

An ecological threshold is the point at which a comparatively small environmental change triggers an abrupt and disproportionately large ecological response. In the face of accelerating climate change, there is concern that abrupt ecosystem transformations will become more widespread as critical ecological thresholds are crossed. There has been ongoing debate, however, regarding the...
Authors
Michael J. Osland, John Bradford, Lauren Toth, Matthew Germino, James B. Grace, Judith Z. Drexler, Camille L. Stagg, Eric Grossman, Karen M. Thorne, Stephanie S. Romañach, Davina Passeri, Gregory Noe, Jessica R. Lacy, Ken W. Krauss, Kurt P. Kowalski, Glenn Guntenspergen, Neil Kamal Ganju, Nicholas Enwright, Joel Carr, Kristin B. Byrd, Kevin Buffington

River floods under wetter antecedent conditions deliver coarser sediment to the coast

Increasing hydrologic volatility—more extreme rain, and larger variations between wet and dry years—has become apparent in some regions, but few data exist to determine how intensifying hydrologic extremes affect sedimentary systems. Using uniquely high-resolution records of fluvial suspended sediment and coastal morphology, we quantify sedimentary responses from a steep, 357-km2...
Authors
Amy East, Alexander G. Snyder, Andrew W. Stevens, Jonathan Warrick, David Topping, Matthew A. Thomas, Andrew C. Ritchie

Benthic habitat map of Olowalu Reef, Maui, Hawaii—Geomorphological structure, biological cover, and geologic zonation determined with spectral, lidar, and acoustic data

The fringing coral reef off Olowalu, Maui, Hawaii, has been identified as a local conservation priority site. In 2007, the National Oceanic and Atmospheric Administration (NOAA) produced a benthic habitat map of the Hawaiian Islands that was used as a foundation for this study. To support place-based management of the reef in the future, the U.S. Geological Survey (USGS) mapped the...
Authors
Liana N. Heberer, Kristen A. Alkins, Curt D. Storlazzi, Susan Cochran, Ann Gibbs, R.S.J. Sparks, Kristy Stone, Itana Silva, Tatiana Martinez, Cole Peralto, Arielle S. Levine, Douglas Stow, Jillian Maloney

Science

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Coastal Wetland Vulnerability to Climate Change and Sea-Level Rise: Understanding Ecological Thresholds and Ecosystem Transformations

Eighteen USGS coastal scientists from all four coasts of the conterminous United States are working together to advance the understanding of climate change and sea-level rise impacts to coastal wetlands.
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Habitat Vulnerability to Climate Change: Identifying Climate Change Induced Mass Mortality Events Across Large Landscapes of the United States

USGS researchers will characterize extreme climatic events across U.S. following a review of case studies of mass mortality events associated with climate extremes including drought, precipitation, freeze, heat waves, and storm events.
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Habitat Vulnerability to Climate Change: Identifying Climate Change Induced Mass Mortality Events Across Large Landscapes of the United States

USGS researchers will characterize extreme climatic events across U.S. following a review of case studies of mass mortality events associated with climate extremes including drought, precipitation, freeze, heat waves, and storm events.
Learn More

Eyes on Earth Episode 120 – Mapping the California Coastline

Coastline erosion can change your favorite beach. But it can also affect highways and buildings. Landsat, along with high-resolution data, can be used to model the past and predict the future of changes caused by sea level rise and coastal erosion.
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Eyes on Earth Episode 120 – Mapping the California Coastline

Coastline erosion can change your favorite beach. But it can also affect highways and buildings. Landsat, along with high-resolution data, can be used to model the past and predict the future of changes caused by sea level rise and coastal erosion.
Learn More
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