View In:   ArcGIS Online Map Viewer

Name: MHHW

Display Field: CATEGORY

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><P><SPAN>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 http://www.dgs.udel.edu/projects/determination-future-sea-level-rise-planning-scenarios-delaware</SPAN></P></DIV></DIV>

Service Item Id: 1949f06b8bbd48188c7f672e54bcf3da

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.

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: true

Supports Datum Transformation: true

Extent:

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YMin: 50023.9963000007
XMax: 237678.8108
YMax: 200572.037799999
Spatial Reference: 26957  (26957)

Drawing Info:

Renderer:
Simple Renderer:
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Transparency: 40
Labeling Info:

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HasZ: false

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Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field:

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID, editable: false, nullable: false, defaultValue: null, modelName: OBJECTID )
• CATEGORY ( type: esriFieldTypeString, alias: CATEGORY, editable: true, nullable: true, length: 10, defaultValue: null, modelName: CATEGORY )
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Templates:

• Name: MHHW
  Description:
  Prototype:
  CATEGORY: null
  
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Capabilities: Query

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Supported Operations:   Query   Query Analytic   Calculate   Validate SQL   Generate Renderer   Return Updates   Iteminfo   Thumbnail   Metadata