https://www.scientificamerican.com/article/tidal-gate-across-san-francisco-bay-proposed-to-manage-sea-level-rise https://www.scientificamerican.com/article/tida

https://www.scientificamerican.com/article/tidal-gate-across-san-francisco-bay-proposed-to-manage-sea-level-rise https://www.scientificamerican.com/article/tidal-gate-across... led me to https://www.spur.org/publications/spur-report/2011-05-02/climate-change-hits-home https://www.spur.org/publications/spur-report/2011-05-02/cli.... That mentions it as an option on page 26, but doesn’t go as far as propose doing it.