Images

Contractor Babak Tehranirad works on an operational model for forecasting flooding around San Francisco Bay.

Left to right: USGS scientist Josh Logan, USGS contractor Babak Tehranirad, and USGS contractor Rae Taylor-Burns (University of California-Santa Cruz graduate student) collect beach elevation data near Moss Landing, California, with precision GPS units carried in their backpacks.

Babak Tehranirad holds a lobster that he caught while on vacation in March 2017.

USGS Pacific Coastal and Marine Science Center's research vessel R/V San Lorenzo.

Sun sets on Whiskeytown Lake with PCMSC's vessel San Lorenzo in foreground.

The SWATHplus is a 234 kHz interferometric bathymetric survey tool for surveys in water depths from 1 to 200 meters.

Looking through the windshield of USGS Pacific Coastal and Marine Science Center's boat San Lorenzo under pristine field conditions.

Snapshot of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station

Snapshot of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station

Snapshot of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station

Time-exposure image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is time-averaged over 10 minutes of video.

Bright image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is compiled from 10 minutes of video and tracks the brightest pixels through 10 minutes of motion.

Snapshot of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station

Variance image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is compiled from 10 minutes of video and shows areas of more movement as brighter colors.

Bright image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is compiled from 10 minutes of video and tracks the brightest pixels through 10 minutes of motion.

Bright image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is compiled from 10 minutes of video and tracks the brightest pixels through 10 minutes of motion.

Time-exposure image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is time-averaged over 10 minutes of video.

Bright image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is compiled from 10 minutes of video and tracks the brightest pixels through 10 minutes of motion.

Image from video camera along Sunset State Beach in Watsonville, CA, looking northwest. Every half hour during daylight hours, the camera shoots video for 10 minutes.

Variance image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is compiled from 10 minutes of video and shows areas of more movement as brighter colors.

Dark image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is compiled from 10 minutes of video and tracks the darkest pixels through 10 minutes of motion.