Parent Layer: Predicted Storm Surge from a simulated Cat 1 Hurricane event in 2006

Name: Storm Surge Inundation in 2006 with all salt marsh removed

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Description: The map shows the predicted overland storm surge for Corpus Christi Bay, Texas in 2006 (initial conditions) with no salt marsh present under a simulated category 1 hurricane. The storm surge simulation used the 2006 landcover map of initial conditions from the Sea Level Rise Affecting Marsh Model (SLAMM) and converted all salt marsh landcover to estuarine water to calculate the bottom friction resistance (Manning's n) and wind roughness (Z0) parameters for the storm surge model. The image was created from the original storm surge model point file by isolating all points that had positive elevation (land areas) and values other than -99999 (no data) for storm surge height. Once the points for storm surge height for land areas were selected, the difference between the maximum storm surge height from the NAVD88 mean sea level (0ft) was subtracted from each point’s elevation value to calculate the height of the storm surge above the ground surface. The resulting values for overland storm surge height for were then averaged together using a spatial join to a vector polygon grid with a resolution of 150m, which was based on the maximum spacing between points in the original file for the study area. The vector grid was then converted to a raster image with the same resolution, which represented the maximum predicted storm surge height (in feet) over land areas for the study area. This modeling effort was motivated by the need to provide a series of technical tools to the members of the Coastal Bend Bays and Estuary Program (CBBEP) to better understand the effects of sea level rise (SLR) and storm surge in the Corpus Christi region. <a href='xml/gulfmex_TX_CC_StormSurge_2006_NoMarsh.xml' target='_blank'><b>Metadata</b><a></br>

Copyright Text: The Nature Conservancy

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Spatial Reference: 102100  (3857)

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