Parent Layer: Dune Erosion

Name: Dune Erosion Current Long Term and Large Storm Doubling of El Niño

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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. 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 Monterey Bay Sea Level Rise Vulnerability Study. For detailed documentation about how these hazard zones were developed, please see "Monterey Bay Sea Level Rise Vulnerability Assessment: Technical Methods Report," a report prepared by ESA PWA for The Monterey Bay Sanctuary Foundation in March 2014.-------------------------------The name of this shapefile reflects the future scenarios and planning horizon that the hazard zone represents, as follows:"dhz" + _ + erosion projection type +_+ future erosion scenario +_+ 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.wstorm - Includes long-term erosion and the potential erosion of a large storm event (e.g. 100-year storm).-------------------------------Future erosion scenarios:nochange – A continuation of existing wave climate and sand miningstopmining – Stop sand mining (only applies to southern Monterey Bay)stormier – Increased storminess (doubling of El Niño storm impacts in a decade)-------------------------------Sea level rise scenarios:ec – Existing conditions (2010 water level)s1 – Low sea level rise (41 cm by 2100)s2 – Medium sea level rise (88 cm by 2100)s3 – High sea level rise (159 cm by 2100)-------------------------------Planning horizons:2010 (Existing conditions)203020602100

Copyright Text: Environmental Science Associates - Philip Williams Associates, Ltd. (ESA PWA), 2014

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Spatial Reference: 102100  (3857)

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