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Sonoma-Marin Coastal Regional Sediment Management Report: Greater Farallones National Marine Sanctuary

Sara Hutto, Doug George, and Max Delaney
Created: 10/16/2018 - Updated: 12/30/2018

Abstract

The Sonoma-Marin Coastal Regional Sediment Management Report (CRSMR) was completed in March 2018 and provides coastal sediment management recommendations for the Sonoma and Marin county outer coasts. The Greater Farallones National Marine Sanctuary (Sanctuary) and Greater Farallones Association spearheaded the development of the CRSMR with supporting funds from the State of California. 

The Pacific coastlines of Sonoma and Marin counties are dominated by agricultural uses, with fewer developed areas than other parts of coastal California. While most of this region consists of rocky, inaccessible coastline, there are pockets of high recreational use like Stinson Beach and Sonoma State Beaches. Sediment challenges in this area include erosion of beaches, landslides, collapses of coastal bluffs, accumulation within bays and estuaries, and blockages of river mouths, and sediment management focuses on natural habitat function and existing infrastructure (like Highway 1).

In order to address these diverse challenges, the Sanctuary included in the process a Sediment Management Working Group comprised of scientists, landowners, and local stakeholders; and a Technical Advisory Committee comprised of local, state, and federal agency representatives. The CRSMR presents 17 overarching regional recommendations and 14 site-specific recommendations (8 in Sonoma County and 6 in Marin County), which will inform the statewide Sediment Management Master Plan. The proposed strategies are meant to initiate conversations at the local level to prepare the coast for the next 50 years of sediment management-related activity. Management strategies are laid out in the following areas and new projects are under development based on ideas in the CRSMR. 

Management Strategy Areas: Beach Nourishment, Living Shorelines, Research and Education, Armor, Indirect Sediment Management, Restoration, Dredge, Managed Retreat

For more information, email Doug George, PhD at doug.george@noaa.gov.

Keywords

Type of Adaptation Action/Strategy: 
Natural Resource Management / Conservation

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