Images

Color maps showing output examples of the Simulating Waves Nearshore (SWAN) model and how 1 of the 999 wave conditions was dynamically downscaled to the 200-meter (m) grid scale offshore West Maui, Hawaiʻi. A, The 5-kilometer (km) resolution Hawaiian Chain model. B, The 1-km resolution Maui Nui model embedded in the Hawaiian Chain model.

Animated GIF of a clamshell dredge in operation in San Francisco Bay, California, as part of the Shallow Water Strategic Placement Pilot Project.

Aerial image of Corte Madera marsh in San Francisco Bay, California, a study site for the Sediment Transport in Coastal Environments project.

Mud Creek slide seen from the air on February 22 2024, as part of USGS remote sensing data to track Big Sur landslides in 2024.

False color CT scan of sediment core from Floras Lake, Oregon, showing a sediment record stretching back 6,700 years.

USGS Research Vessel Williams on a trailer, part of the Pacific Coastal and Marine Science Center's Marine Facility (MarFac) fleet.

Photo of USGS Research Vessel Williams at sunrise tied up to a dock with researchers aboard.

Cover image for fish screen video filmed at the Columbia River Research Laboratory.

Cover image for sediment core lab video, showing core-lab walk-in refrigerator at the Pacific Coastal and Marine Science Center.

Diagram outlining steps toward creating actionable science for Typhoon Merbok Emergency Recovery Efforts.

Map showing footprint of high-resolution Lidar and imagery collected in western Alaska as part of Tyhoon Merbok Emergency Recovery Efforts.

Landsat imagery timelapse showing coastal change from 1992-2023 near Stebbins, Alaska.

USGS Research Oceanographer Li Erikson speaks at a community meeting in Elim, Alaska.

Animated GIF of Landsat imagery timelapse showing coastal change at Shishmaref and vicinity, Alaska.

Figure showing wave heights for several Look-up-table (LUT) model runs for varying wind speeds (columns) and wind directions (rows). From the study Efficient modeling of wave generation and propagation in a semi-enclosed estuary.

Figure shows (a) Computational domain and bathymetry of the Salish Sea hydrodynamic model, and (b) Locations of National Oceanic and Atmospheric Administration (NOAA, red triangles) and U.S. Geological Survey (USGS, green triangles) water level measurement station.

Example output from PS-CoSMoS model for Birch Bay, Washington. Panel (A). Progressing storm extent for different storm frequencies for a sea-level-rise scenario of 50 cm. Panel (B). Progressing storm extent for different sea-level-rise scenarios for a storm frequency of 50 years. Panel (C).

High resolution topographic lidar and imagery collected along western Alaska coast as part of the USGS Typhoon Merbok Disaster Emergency Recovery Efforts.

Satellite derived coastlines in western Alaska, collected as part of the USGS Typhoon Merbok Disaster Emergency Recovery Efforts.

Diagram of USGS-developed tools for Typhoon Merbok Disaster Emergency Recovery Efforts.

Atmospheric pressure map of Typhoon Merbok in western Alaska on September 17, 2022.