Sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.
Images
![Photo of sediment core with tsunami deposit from the Salmon River estuary, Oregon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Sediment%20core%20with%20tsunami%20deposit.png?itok=nqXANw6o)
Sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.
![Close-up imageof sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Sediment%20core%20with%20tsunami%20deposit%20detail%20annotated.png?itok=lWeOjvja)
Detail of sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.
linkSediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.
Detail of sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.
linkSediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.
![Map showing location of Salmon River estuary, Oregon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Salmon%20River%20location%20map.png?itok=DrZfjnwK)
Map showing location of Salmon River estuary, Oregon. Yellow dots represent estuaries, lagoons, and lakes with evidence of the 1700 tsunami.
Map showing location of Salmon River estuary, Oregon. Yellow dots represent estuaries, lagoons, and lakes with evidence of the 1700 tsunami.
View of Salmon River estuary, Oregon, from above. Sediment cores were collected from marshland toward the upper left of the image.
View of Salmon River estuary, Oregon, from above. Sediment cores were collected from marshland toward the upper left of the image.
![Photo of USGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/USGS%20scientists%20SeanPaul%20La%20Selle%20and%20Jason%20Padgett%20collecting%20sediment%20cores%20at%20the%20Salmon%20River%20estuary%2C%20Oregon.png?itok=ZYSDfLRK)
USGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon
linkUSGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon.
USGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon
linkUSGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon.
The U.S. Coastal Wetlands Synthesis Applications geonarrative. The U.S. Geological Survey (USGS) is assessing the physical condition of coastal wetlands and how they may change in response to storms, sea-level rise, and human activity.
The U.S. Coastal Wetlands Synthesis Applications geonarrative. The U.S. Geological Survey (USGS) is assessing the physical condition of coastal wetlands and how they may change in response to storms, sea-level rise, and human activity.
Ernest F. Hollings ACE Basin National Wildlife Refuge in South Carolina shown in the pop-out of the U.S. Coastal Wetlands Synthesis Applications geonarrative.
Ernest F. Hollings ACE Basin National Wildlife Refuge in South Carolina shown in the pop-out of the U.S. Coastal Wetlands Synthesis Applications geonarrative.
![Coral cores collected within the National Park of American Samoa on Ofu](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Coral%20cores%20from%20Ofu%2C%20American%20Samoa.png?itok=KESz3CGc)
Coral cores collected within the National Park of American Samoa on the island of Ofu.
Coral cores collected within the National Park of American Samoa on the island of Ofu.
Graph showing corrected thermal camera imagery from the National Park of American Samoa on Ofu.
Graph showing corrected thermal camera imagery from the National Park of American Samoa on Ofu.
![Image of drone with infrared camera on a beach in American Samoa](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Drone%20with%20infrared%20camera.png?itok=pWbARt46)
Drone used to collect infrared imagery of reefs in the National Park of American Samoa on Ofu.
Drone used to collect infrared imagery of reefs in the National Park of American Samoa on Ofu.
![Scientists conducting Electrical Resistivity Tomography surveys in American Samoa](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Electrical%20Resistivity%20Tomography%20survey.png?itok=fPQxPX-w)
Scientists conducting Electrical Resistivity Tomography surveys in American Samoa.
Scientists conducting Electrical Resistivity Tomography surveys in American Samoa.
Scientists installing thermal camera in the National Park of American Samoa on Ofu.
Scientists installing thermal camera in the National Park of American Samoa on Ofu.
![Scientists installing a wind and rain gauge in American Samoa](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Installing%20wind%20and%20rain%20gauge.jpg?itok=Ftwkwvlg)
Scientists installing a wind and rain gauge in the National Park of American Samoa on Ofu.
Scientists installing a wind and rain gauge in the National Park of American Samoa on Ofu.
Map of Ofu, American Samoa, showing study sites to investigate outbreaks of Valonia fastigiata algae.
Map of Ofu, American Samoa, showing study sites to investigate outbreaks of Valonia fastigiata algae.
USGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu
linkUSGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu.
USGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu
linkUSGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu.
![Underwater image of Valonia fastigiata algae growing on a reef at Ofu](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Valonia%20fastigiata%20algae%20growing%20on%20a%20reef%20at%20Ofu.png?itok=zpZz2-tJ)
Underwater image of Valonia fastigiata algae growing on a reef in the National Park of American Samoa on Ofu.
Underwater image of Valonia fastigiata algae growing on a reef in the National Park of American Samoa on Ofu.
Scientists viewing data from a thermal camera installed in the National Park of American Samoa on Ofu
linkScientists viewing data from a thermal camera installed in the National Park of American Samoa on Ofu.
Scientists viewing data from a thermal camera installed in the National Park of American Samoa on Ofu
linkScientists viewing data from a thermal camera installed in the National Park of American Samoa on Ofu.
![Diagram showing thermal camera method](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Diagram%20showing%20thermal%20camera%20method.png?itok=_1i6YFCT)
Thermal camera tower method. 1) Original oblique view data 2) Orthorectified nadir view 3) thermal corrections for angular and distance dependence 4) Calibrated thermal image.
Thermal camera tower method. 1) Original oblique view data 2) Orthorectified nadir view 3) thermal corrections for angular and distance dependence 4) Calibrated thermal image.
![Aerial image of a reef flat from a thermal drone that captures both regular images and radiometric images](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Thermal%20RGB.jpg?itok=zREV4Dy_)
Aerial image of a reef flat from a thermal drone that captures both regular images and radiometric images
linkAerial image of a reef flat on Ofu, American Samoa, from a thermal drone that captures both regular images and radiometric images.
Aerial image of a reef flat from a thermal drone that captures both regular images and radiometric images
linkAerial image of a reef flat on Ofu, American Samoa, from a thermal drone that captures both regular images and radiometric images.
![Diagram showing oceanographic and hydrogeologic processes on a reef-lined island](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Submarine-groundwater-discharge-diagram-v3.png?itok=d_lWFh_I)
Diagram showing oceanographic and hydrogeologic processes including submarine groundwater discharge on Ofu, American Samoa.
Diagram showing oceanographic and hydrogeologic processes including submarine groundwater discharge on Ofu, American Samoa.
![Chart showing relative flood risk per county as a function of sea level rise](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Relative%20flood%20risk%20per%20county%20as%20a%20function%20of%20sea%20level%20rise.png?itok=R0ASWNjg)
Chart showing relative flood risk per county as a function of sea level rise, from the study Tropical or extratropical cyclones: what drives the compound flood hazard, impact, and risk for the United States Southeast Atlantic coast?
Chart showing relative flood risk per county as a function of sea level rise, from the study Tropical or extratropical cyclones: what drives the compound flood hazard, impact, and risk for the United States Southeast Atlantic coast?