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Definition of Terms

Sea Level Rise Hazards

Bluff Erosion

Over time, erosion causes the edge of coastal bluffs to move inland as material falls or collapses onto the beach, ocean, or bluff face below. For the purposes of the Sea Level Rise Adaptation Plan, bluff erosion is considered to be a permanent impact.

Shoreline Erosion

Over time, sandy beaches and dunes experience temporary erosion, with sand moving seasonally to and away from the beach, and permanent erosion, with sand moving away from the beach without returning. For the purposes of the Sea Level Rise Adaptation Plan, "shoreline erosion" refers to the permanent loss of sandy beaches, dunes, and the low-lying backshore that occurs with changing sea level or sand supply. In the Adaptation Plan shoreline erosion is considered to be a permanent impact.

Storm Flooding

When storms strike the Santa Barbara coast, they generally bring high water levels and waves. For the purposes of the Sea Level Rise Adaptation Plan, "storm flooding" refers to the combination of the high water levels that come with a storm, including some of the effects of waves. The coastal storm used to define the hazard zone is estimated to have a 1% chance of occurring each year (i.e., a "100-year storm"). In the Adaptation Plan, storm flooding is considered to be a temporary impact.

Storm Waves

Storm waves refer to the exposure of the Santa Barbara shore to large waves generated by local and distant storms. These waves arrive at the Santa Barbara coast from a range of directions, and influence the coastal water levels and also directly induce flooding, erosion, and wave damage hazards, described generally as a wave hazard zone landward of the high tide line. For the purposes of the Adaptation Plan, storm waves are considered a temporary hazard.

Tidal Inundation

Tidal inundation refers to areas that are below the typical high tide elevation under non-storm conditions. For the purposes of the Adaptation Plan, tidal inundation is considered to be a permanent impact.

Last Updated: Nov 26, 2018
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