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Environmental/DE_Coastal_Inundation2017 (MapServer)

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Service Description: This geodatabase contains a series of state-wide SLR coastal inundation maps corresponding to water surfaces from the mean higher-high water (MHHW) level to 7 feet above MHHW, in 1-foot increments. Development of the bathtub-model inundation maps was based on a high-quality, 1-meter bare earth Digital Elevation Model (DEM) derived from the 2014 state-wide LiDAR acquisition. Elevated roadways and bridges not represented in the bare earth DEM were identified, and manually assessed for inundation for each SLR scenario. Additional documentation can be found at

Map Name: Layers


All Layers and Tables

Layers: Description:

Copyright Text: This mapping project was completed by the Delaware Geological Survey (DGS), University of Delaware using Federal funds under award NA13NOS4190093 from the Delaware Department of Natural Resources and Environmental Control, Delaware Coastal Programs and the Office for Coastal Management (OCM), National Oceanic and Atmospheric Administration (NOAA), U.S. Department of Commerce. The statements findings, conclusions and recommendations are those of the author(s) and do not necessarily reflect the views of the OCM, NOAA or the U.S. Department of Commerce. LiDAR data was collected through a collaboration between the United States Geological Survey (USGS), DGS, Department of Natural Resources and Environmental Control (DNREC), and Delaware Department of Transportation (DelDOT), funded through the Hurricane Sandy Supplemental Fund.

Spatial Reference: 102100  (3857)

Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriMeters


Document Info: Supports Dynamic Layers: false

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 1000000

Max Scale: 0

Child Resources:   Info

Supported Operations:   Export Map   Identify   Find   Return Updates   Generate KML