20220721 15344400 1.0 TRUE 100-year flood 55-inch SLR - 2100 The polygon represents the extent of a 100-year coastal flood, based on FEMA 100-year flood elevations, with a sea-level rise of 1.4 meters (55 inches) (year 2100). Heberger, Matthew, and Herrera, Pablo, 2009, California coast 100-yr flood, 2000: The Impacts of Sea-Level Rise on the California Coast, Pacific Institute, Oakland CA.