We conducted a series of boat-based lidar surveys at 16 sites spanning about 135 miles of shoreline and more than two dozen drift cells from 2013 through 2016. This critical work by our Coastal Monitoring and Analysis Program (CMAP) staff collected high-resolution, topographic data about Puget Sound beaches and bluffs.
The drift cells were selected based on a geospatial analysis of bluff-backed beaches:
- With a high potential for significant bluff sediment to supply intact shorelines.
- Containing suitable habitat for forage fish, eelgrass, herring, and shellfish.
- In which previous investments have been made for beach restoration projects.
- That have potential for future shoreline armoring and habitat loss based on population growth scenarios.
For these reasons, the surveyed drift cells are top candidates for implementing bluff protection and restoration strategies.