Pacific Coastal and Marine Science Center
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We conduct multidisciplinary scientific research in the coastal and offshore areas of California, Oregon, Washington, Alaska, Hawaii, and other US Pacific Islands; and in other waterways of the United States.
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Read about our science projects, find out where we are working, and why our research matters
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News
A Research Retrospective: Offshore Fault Mapping of the San Andreas
Study of New Offshore Fault Mapping Related to the 1906 San Francisco Earthquake: In 2019, for the first time ever, scientists comprehensively mapped a previously overlooked offshore section of the San Andreas Fault system which may provide insight on how the fault could rupture in the future.
Recent Coastal and Marine Fieldwork - April-July 2020
Much of the USGS fieldwork has been delayed, postponed, or canceled in the face of COVID-19. USGS Coastal and Marine Hazards and Resources Program (CMHRP) scientists were able to safely venture out to collect beach elevations; biogeochemistry samples; water, soil, and meteorological data; and coral and algal samples, in San Francisco, Florida, Massachusetts, and the US Virgin Islands.
Sound Waves Newsletter - June-July 2020
In this issue of Sound Waves, we pay tribute to a beloved USGS colleague, Monty Hampton, and highlight his work on sand waves and sand lance in the Pacific Northwest; we also highlight USGS work on sand lance in the Atlantic and on tracking sea turtles to examine how changing environment affects marine life.
Publications
Ecological forecasting—21st century science for 21st century management
Natural resource managers are coping with rapid changes in both environmental conditions and ecosystems. Enabled by recent advances in data collection and assimilation, short-term ecological forecasting may be a powerful tool to help resource managers anticipate impending near-term changes in ecosystem conditions or dynamics. Managers may use the...
Bradford, John B.; Weltzin, Jake F.; Mccormick, Molly; Baron, Jill; Bowen, Zack; Bristol, Sky; Carlisle, Daren; Crimmins, Theresa; Cross, Paul; DeVivo, Joe; Dietze, Mike; Freeman, Mary; Goldberg, Jason; Hooten, Mevin; Hsu, Leslie; Jenni, Karen; Keisman, Jennifer; Kennen, Jonathan; Lee, Kathy; Lesmes, David; Loftin, Keith; Miller, Brian W.; Murdoch, Peter; Newman, Jana; Prentice, Karen L.; Rangwala, Imtiaz; Read, Jordan; Sieracki, Jennifer; Sofaer, Helen; Thur, Steve; Toevs, Gordon; Werner, Francisco; White, C. LeAnn; White, Timothy; Wiltermuth, Mark
Amazon sediment transport and accumulation along the continuum of mixed fluvial and marine processes
Sediment transfer from land to ocean begins in coastal settings and, for large rivers such as the Amazon, has dramatic impacts over thousands of kilometers covering diverse environmental conditions. In the relatively natural Amazon tidal river, combinations of fluvial and marine processes transition toward the ocean, affecting the transport and...
Nittrouer, Charles A.; DeMaster, David J.; Kuehl, Steven A.; Figueiredo, Alberto G.; Sternberg, Richard W.; Faria, L. Ercilio C.; Silveira, Odete M.; Allison, Meade A.; Kineke, Gail C.; Ogston, Andrea S.; Souza Filho, Pedro W.M.; Asp, Nils E.; Nowacki, Daniel J. ; Fricke, Aaron T. On the use of receiver operating character tests for evaluating spatial earthquake forecasts
Spatial forecasts of triggered earthquake distributions have been ranked using receiver operating characteristic (ROC) tests. The test is a binary comparison between regions of positive and negative forecast against positive and negative presence of earthquakes. Forecasts predicting only positive changes score higher than Coulomb methods, which...
Parsons, Thomas E.