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A Regional Sediment Management Plan for San Francisco Bay “Its All About the Sediment… And the Science”

A Regional Sediment Management Plan for San Francisco Bay “Its All About the Sediment… And the Science” San Francisco Bay Conservation and Development Commission. Regional Sediment Management Is….

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A Regional Sediment Management Plan for San Francisco Bay “Its All About the Sediment… And the Science”

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  1. A Regional Sediment Management Plan for San Francisco Bay “Its All About the Sediment… And the Science” San Francisco Bay Conservation and Development Commission

  2. Regional Sediment Management Is… The integrated management of littoral, estuarine, and riverine sediments to achieve balanced and sustainable solutions to sediment related needs.” Regional sediment management recognizes sediment as a resource. Sediment processes are important components of coastal and riverine systems that are integral to environmental and economic vitality.

  3. LONG TERM MANAGEMENT STRATEGY FOR THE PLACEMENT OF DREGED SEDIMENT IN THE BAY AREA Adopted 2001 • LTMS Goals • Maintain in an environmentally & economically sound manner channels necessary for safe navigation & eliminate unnecessary dredging • Conduct disposal in the most environmentally sound manner • Maximize reuse of dredged material • Establish cooperative permitting framework

  4. LTMS: Current Management Program • Is a Regional Sediment Management Strategy • Focused solely on navigational dredging • Developed in the 1990’s • In a sediment rich environment • Absence of concern for climate change

  5. In An Ever Changing World “New” Issues to Contend With… Habitat Restoration and Maintenance Sediment Supply and Demand Dredging and Aggregate Mining

  6. A Changing System Requires Analysis and Review of Management Activities Point San Pablo, mid-depth, Dave Schoellhamer, USGS

  7. Why Do We Care? Shorelines Levees Habitat Sea Level Rise

  8. Shoreline and Beach Erosion

  9. Management Questions Do we understand the system well enough to manage it appropriately? What are the existing data gaps? Can sediment stored in watersheds be moved to appropriate locations? Can we improve watershed health while providing sediment to marshes? Can marshes keep up with sea level rise? Can we feed mudflats with sediment? Are we moving to a “more normal” system?

  10. To Respond to a Changing Bay, A New Approach is Needed

  11. Transitioning From LTMS To Regional Sediment Management Base Regional Sediment Management on existing LTMS governance structure Build additional partnerships Include analysis of sediment supply, transport, budget and restoration needs

  12. Science Strategy Determine Overlap between Management and Research Questions Understand Existing Science Develop Funding Sources Conduct Research Prioritize Research and Management Needs Identify Existing Data Gaps Feed Back in to Management Program Identify Management Questions Develop Research Strategy

  13. Systems Based Regional Sediment Management Strategy Review Existing Flood Protection Methods Review Dredging and Beneficial Reuse Methods Review Existing Watershed Management Methods Review Aggregate Mining Management Methods Working with Partners - Identify Management Approach to Supply Sediment Throughout Estuary Revise Management Practices for Sediment San Francisco Bay Regional Sediment Management Plan

  14. First Steps - Regional Sediment Management Some Funding has been allocated – LTMS, CSMW, CIAP USGS Science Strategy Workshop New Studies Underway Management Strategy Kickoff Workshop Summer

  15. Thank You to All of You For Joining Us in the First Step Towards Establishing the Science to Build the Management Strategy

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