Layer: Fluvial Flooding (in meters) 2100 High (ID: 389)

Parent Layer: Fluvial Flood

Name: Fluvial Flooding (in meters) 2100 High

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Description: These hazard zones depict the depth of fluvial flooding on Carpinteria Creek. The processes considered include (1) existing and future streamflow from climate change projections, and (2) additional flooding caused by rising sea level in the future. These hazard zones do NOT consider storm surge (a rise in the ocean water level caused by waves and pressure changes during a storm), which could play a part in fluvial flooding, especially around coastal confluences where the creeks meet the ocean. There are two types of inundation areas: (1) areas that are clearly connected over the existing digital elevation through low topography, (2) and other low-lying areas that don’t have an apparent connection to the creek channel, as indicated by the digital elevation model, but are low-lying and flood prone from groundwater levels and any connections (culverts, underpasses) that are not captured by the digital elevation model. These apparently disconnected flood areas were left in due to the uncertainty of 1D fluvial models and potential for increased flooding from the coastal boundary, but were not attributed seperately. -------------------------------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 The County of Santa Barbara in June 2015.-------------------------------The name of this raster reflects the future scenarios and planning horizon that the hazard zone represents, as follows:"fluvial_dep" + _ + sea level rise scenario + planning horizon-------------------------------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), 2015

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