Coastal Retreat in California's Central Coast Region
This page gives a background on Coastal Retreat in California's Central Coast Region and highlights scientific findings pertaining to coastal erosion.
The Southern Monterey bay region has some of the highest coastal erosion rates in the state of California.
Monterey: 1 ft / year
Seaside: 3 ft/year
Marina: 6 ft/ year
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Resource/s at stake
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Laws, policies, & regulations
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Coastal Retreat in California's Central Coast Region, specifically Southern Monterey Bay, has the fastest rate of erosion in California. Since the retreat is occuring in the Monterey Bay National Marine Sanctuary, scientists are determined to find possible mitigation efforts, reasons for high rates, and, specific hot spots.
Recent research includes:
- Sand Mining Impacts on Long-term Dune Erosion in Southern Monterey Bay 
- Sediment distribution and transport along a rocky, embayed coast: Monterey Peninsula and Carmel Bay, California 
- Coastal Regional Sediment Management Plan For Southern Monterey Bay 
- National Assessment of Shoreline Change Part 3: Historical Shoreline Change and Associated Coastal Land Loss Along Sandy Shorelines of the California Coast 
There are a variety of tools that can be used to assess the effects of sand mining and/or coastal retreat.
- ArcGIS and the Digital Shoreline Analysis System (DSAS) toolbox can be used to monitor changes in beach width.
- Stero Photogrammetry 
- LIDAR Measurements 
- GPS Surveys 
...What knowledge gaps remain?...
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- Sand Mining in California's Central Coast Region
- Local Coastal Program in California's Central Coast Region
- California Coastal Commission
- Monterey Bay National Marine Sanctuary - Coastal Armoring and Erosion
- Southern Monterey Bay Erosion Mitigation Alternatives
- California Coastal Erosion Response to Sea Level Rise
- Hapke CJ et al. 2006. USGS. National Assessment of Shoreline Change Part 3: Historical Shoreline Change and Associated Coastal Land Loss Along Sandy Shorelines of the California Coast
- Thornton et al. 2006. Sand Mining Impacts on Long-term Dune Erosion in Southern Monterey Bay. Marine Geology 229.1:45-58.
- Storlazzi, CD and Field, ME. 2000. Sediment distribution and transport along a rocky, embayed coast: Monterey Peninsula and Carmel Bay, California. Marine Geology 170.3: 289-316.
- Coastal Regional Sediment Management Plan For Southern Monterey Bay
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