Parent Layer: Armoring

Name: Cliff Erosion Long Term 2030 High with coastal armoring

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Description: These zones represent future dune (sandy beach) erosion hazard zones, incorporating site-specific historic trends in erosion, additional erosion caused by accelerating sea level rise, and (in the case of the “storm erosion hazard zones”) the potential erosion impact of a large storm wave event. These zones also consider the effect of existing coastal armoring structures. The inland extent of the hazard zones represent projections of the potential future crest of the dunes for a given sea level rise scenario, planning horizon, and erosion scenario. Not all areas within the hazard zone are expected to erode to this extent by the specified planning horizon, but any location has the potential to erode to this extent for the selected scenario. This feature is one in a series of coastal flood and erosion hazard zones developed as part of the Santa Barbara County Coastal Hazard Modeling and Vulnerability Assessment. For detailed documentation about how these hazard zones were developed, please see "Santa Barbara County Coastal Hazard Modeling and Vulnerability Assessment: Technical Methods Report," a report prepared by ESA for Santa Barbara County in June 2015, as well as “Santa Barbara County Coastal Resiliency Phase 2 Coastal Hazard Modeling: Technical Methods Memorandum,” a report prepared by ESA for the County of Santa Barbara in July 2016.-------------------------------The name of this shapefile reflects the future scenarios and planning horizon that the hazard zone represents, as follows:"chz" + _ + erosion projection type +_+ sea level rise scenario + planning horizon-------------------------------Erosion projection type:longterm - A continuation of historic erosion with additional erosion caused by sea level rise. Does not include potential impacts of a large storm or block failure.wbuffer - Includes long-term erosion and the locally determined potential block failure width (failure of the cliff hillslope, common erosion mechanism in Santa Barbara County).-------------------------------Sea level rise scenarios:ec – Existing conditions (2010 water level)s1 – Low sea level rise (27 cm by 2100)s2 – Medium sea level rise (78 cm by 2100)s3 – High sea level rise (153 cm by 2100)-------------------------------Planning horizons:2010 (Existing conditions)203020602100

Copyright Text: Environmental Science Associates (ESA), 2016

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Spatial Reference: 102100  (3857)

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