Seafloor profiles from 1957 and 2014
By Coastal and Marine Hazards and Resources Program
2016 (approx.)
Detailed Description
Seafloor profiles of Dangerous Passage in Alaska, from 1957 (green) and 2014 (black) show that sediment was lost from the intermediate basin and gained in the distal (lowermost) basin.
Sources/Usage
Public Domain.