AB 691 – Proactively Planning for Sea-Level Rise Impacts
Assessing Sea-Level Rise Impacts
To assess sea-level rise impacts to granted lands, first inventory vulnerable natural and built resources and facilities. Then, consider the impacts of sea-level rise itself and other dynamic coastal processes and climatic events that are projected to be exacerbated by sea-level rise such as coastal erosion, storms, and high tides on the vulnerable assets identified. The following resources and tools are available for assistance:
Estimating the financial costs of sea-level rise
Considering the financial costs associated with the impacts of sea-level rise will facilitate successful adaptation planning and the protection of Public Trust lands and resources. When estimating costs, replacement or repair of existing facilities may be a factor, as well as the quantification of non-market asset values such as recreation and ecosystem services. Costs may be projected across the same time scales as sea-level rise (e.g., 2030, 2050, and 2100). In addition to a tally of losses, the cost of adaptation and mitigation strategies should be estimated, along with the potential economic benefits of those strategies. The following resources and tools are available to assist you:
Protecting Public Trust resources impacted by sea-level rise
As Public Land Trustees, granted lands partners ensure the protection of Public Trust resources and values. Please describe in your assessment how proposed sea-level rise adaptation and mitigation strategies will address the coastal asset vulnerabilities identified and the time frame for implementation of such measures. Include any plans to monitor the impacts of sea-level rise and the effectiveness of implemented adaptation and mitigation strategies.
Grantees subject to AB 691 by County
Criteria & Resources
- Assembly Bill 691 (Muratsuchi), Chapter 592, Statutes of 2013
- Assessment Criteria
- Informational Webinars and Powerpoint Presentations
This AB 691 informational webinar was produced from the collaborative efforts of the Commission with the State Controller’s Office, California Coastal Commission, State Coastal Conservancy, Ocean Protection Council, and the San Francisco Bay Conservation and Development Commission. It aims to help grantees better understand what resources are available and the process for submitting a robust sea-level rise assessment.
- Submitted AB 691 Assessments
Mapping Tools & Resources
Resources for analysis and evaluation of impacts related to sea-level rise.
- NOAA Digital Coast Sea Level Rise Viewer
- Our Coast, Our Future
- Surging Seas Risk Finder
- Additional Resources for Addressing Sea-Level Rise
(including maps and GIS layers, surveys, studies, and assessments)
Public Land Management Specialist
Reid Boggiano | 916.574.0450