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State of California Guidance and Resources on Sea-level Rise
Abe Doherty, California Ocean Protection Council
How much sea-level rise will occur by 2030, 2050, or 2100?  How can I get help to evaluate potential impacts on my project?  You can now turn to an updated State of California Sea-Level Rise Guidance Document to obtain science-based information and recommendations on how to plan for the increases in inundation and flooding that will occur at different times in the future.  The guidance document was originally developed by 16 state agencies with consultation from the California Ocean Protection Council’s Science Advisory Team.  This document was updated in March 2013 based on the National Research Council’s report Sea-Level Rise for the Coasts of California, Oregon and Washington: Past, Present, and Future (2012).   
 
Are you implementing a project with state funds or on state lands?  The California Ocean Protection Council recommends that entities implementing projects using state funds or on state lands should refer to the State of California Sea-level Rise Guidance Document, use a range of sea-level rise projections to assess impacts, avoid basing decisions solely on values within the lower third of the range and avoid using sea-level rise values that would result in high-risk decisions. 
 
Need help visualizing or planning for sea-level rise impacts?  You can view or download readily-available maps and images for a range of sea-level rise projections, and obtain data to develop more detailed, project-specific inundation maps.  The Ocean Protection Council, through partnerships with the NOAA Coastal Service Center and others, collected high resolution elevation data (LiDAR – Laser Interferometry Detection and Ranging) in 2010.  This data is available for nearly all of the state’s coast and San Francisco Bay.  The LiDAR data can also be used, in combination with local water level data, sea-level rise projections, and extreme flood hazard data, to develop more detailed project-specific maps of current and future flood and inundation risks.  Digital elevation models created from the LiDAR data were used as the primary topographic data set for NOAA’s Sea Level Rise and Coastal Flooding Impacts Viewer.  You can use this tool to view maps showing one to six feet of sea-level rise, the associated socio-economic impacts, and to examine how tidal flooding may become more frequent over time as sea levels rise.  The viewer also has access to a tool that allows individuals to upload photographs of local landmarks and then create visuals of how those locations will look with sea-level rise. 
 
Need funding sources to help with sea-level rise planning?  Subscribe to the Ocean Protection Council’s list serve for announcements about a grant round in the summer of 2014 for sea-level rise planning.  Check out the State Coastal Conservancy’s website for information on other funding opportunities related to sea-level rise and the Coastal Commission’s website and Bay Conservation and Development Commission website for other guidance and resources. 
 

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collapse Year : 2013 ‎(19)
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