Navigate Up
Sign In
User Login


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. 

 Coastal Beat Story Archive

collapse Year : 2012 ‎(7)
<a href=''>Risk Map Local</a>
<a href=''>FEMA Leverages LiDAR</a>
<a href=''>FEMA’s CCAMP Studies and Our Coast, Our Future</a>
<a href=''>Region IX to Conduct First Flood Risk Review Meeting for CCAMP</a>
collapse Year : 2013 ‎(19)
<a href=''>FEMA Partners with Oceanweather and Scripps Institution of Oceanography to Bring Modeling Expertise to CCAMP OPC Study</a>
<a href=''>FEMA Region IX Holds Meetings for the California Coastal Analysis and Mapping Project / Open Pacific Coast Study</a>
<a href=''>Primary Frontal Dune Coastal High Hazard Area Mapping Requirements</a>
<a href=''>FEMA Holds South Bay Workshop to Kick-off Detailed Analysis in the South Bay Counties</a>
<a href=''>Translating Coastal Flood Hazard Modeling Results into Floodplain Mapping</a>
<a href=''>Terrain Modeling in FEMA’s California Coastal Flood Studies</a>
<a href=''>Join FEMA’s Community Rating System Program Using California’s Statewide Floodplain Management Activities</a>
<a href=''>Coastal Flood Processes Along the California Coast</a>
<a href=''>FEMA’s Annual Risk Awareness Survey: Findings from Previous Surveys and the Focus for the 2013 Survey</a>
collapse Year : 2014 ‎(9)
<a href=''>E386 Residential Coastal Construction</a>
<a href=''>Engaging Stakeholders to Help Communicate Impacts of BW-12</a>
<a href=''></a>
<a href=''>California Coastal Storm History Part Two – Ventura County</a>
<a href=''>Redelineation: What does it mean for me?</a>
collapse Year : 2015 ‎(2)
<a href=''>FEMA increases community access to draft floodplain mapping data </a>
collapse Year : 2016 ‎(6)
<a href=''></a>
1 - 40Next

 Other Stories

expand Arizona
Educating Maricopa County on the Power of Water,
Discovery Process, Thursday, February 23, 2012
expand California
Discovery Process, Thursday, March 1, 2012
NFIP Substantial Improvement and Substantial Damage Course, Wednesday, August 29, 2012
Santa Barbara County and Incorporated Areas Countywide Flood Insurance Rate Map,
Join FEMA’s Community Rating System Program Using California’s Statewide Floodplain Management Activities,
expand Coastal Studies
Discovery Process, Tuesday, January 10, 2012
Betty the Prepared Dog, Saturday, April 28, 2012
expand Hawaii
Tsunami: Learning from Experience in Hawaii,
Public Outreach Meeting for FEMA Flood Insurance Rate Map, Wednesday, August 8, 2012
expand Nevada
Clark County Flood Facts,
expand Region Wide
Be Prepared for a Flooding Event in your Community Today!,
Watershed University , Friday, June 1, 2012
Know Your Line: Be Flood Aware, Thursday, May 2, 2013
1 - 30 Next
  • Local Coastal Programs Help Communities Rise to the Occasion with Successful Mitigation

    For decades, the Local Coastal Programs (LCPs) that govern land use along the California coastline were focused on conservation and recreation, but not mitigation. That’s changing thanks to a state grant program that has made millions of dollars available for local communities to update their LCPs, with priority given to those that address sea-level rise, increasing erosion, and other effects of climate change.

  • Analyzing and Mapping Wave Overtopping in FEMA Coastal Flood Studies

    Wave overtopping is a common coastal hazard and source of flooding along the Pacific coast. During severe coastal storms, high waves and wave runup can overtop coastal barriers including bluffs, dunes, seawalls, revetments, and beach berms. When this happens, the overtopping water floods the area immediately behind the barrier. In some cases, the overtopping water has enough energy and force to damage structures, including homes. Therefore, analysis of wave overtopping is typically an important part of a detailed coastal flood study. It is also useful for communities to understand the process of wave overtopping so they can identify where it is included on their coastal flood maps. Learn more about some of the physical aspects of wave overtopping, how it was analyzed and why it was mapped in the California Coastal Analysis and Mapping Project (CCAMP) Open Pacific Coast (OPC) Study in this article.

View RSS feed

Powered by BakerAECOM