Name: dealIslandDepthGrid_2015_mhhw_withoutFlood

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Type: Raster Layer

Geometry Type: null

Description: The layer supports Maryland Department of Natural Resources (MDDNR) leadership and planners as they endeavor to mitigate or prevent the impacts of sea level change resulting from land surface subsidence and rising sea levels. The product uses sea-level projections to forecasts areas of inundation for a given scenario. Methodology:US Army Corps of Engineers (USACE) provide the sea level change (SLC) estimate-1. SLC is localized using water elevations collected from a qualifying-2 National Oceanic and Atmospheric Administration (NOAA) tidal reference station - NOAA observations are transformed from tidal datum to North American Vertical Datum of 1988 (NAVD88). A final correction for glacial isostatic adjustment and land subsidence is applied to create an SLC value for the official project year, 2015.<Year><Tide: SLC Value><Tide: SLC Value>2015; MSL: 0; MHHW: 1.022020; MSL: 0.52; MHHW: 1.542030; MSL: 0.88; MHHW: 1.902040; MSL: 1.31; MHHW: 2.332050; MSL: 1.82; MHHW: 2.84-1 The SLC rate used in this study was calculated using the USACE High Curve. See http://www.corpsclimate.us/ccaceslcurves.cfmfor more detail.-2 Closest station with historic records of 40 years or greater. An average or qualifying stations was chosen when the nearest station’s records were insufficient.

Copyright Text: Maryland Department of Natural Resources (MDDNR), Eastern Shore Regional GIS Cooperative (ESRGC), National Oceanic and Atmospheric Administration (NOAA), United States Army Corps of Engineers (USACE), United States Geoglogical Survey (USGS)

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Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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