Name: Upland Shoreline

Display Field: Locality

Type: Feature Layer

Geometry Type: esriGeometryPolyline

Description: The Virginia Institute of Marine Science published the first Tidal marsh Inventories using data collected in the early 1970's. Using high resolution color infra-red imagery from 2009, 2011, 2013 and 2017 new Tidal Marsh Inventories have been developed beginning in 2010. Marsh boundaries were generated using heads-up digitizing techniques at a scale of 1:1,000. From 2010 through 2014 marsh polygons were classified by morphologic type: fringe, extensive, embayed, or marsh island. Beginning in 2015, morphologic classification was discontinued. Marshes were ground-truthed in the field where a community type index was assigned to each marsh based on plant community make-up.Upland Shoreline is the boundary between the water and upland. Where marshes exist, it is the upland edge of the tidal marsh, or where beaches exist, the upland edge of the beach. Also referred to as the baseline shoreline, it is not a tidally referenced or surveyed demarcation. It is the baseline on which the land use and bank condition is coded.

Copyright Text: This project has been funded wholly or in part by The Virginia Department of Environmental Quality, Virginia Coastal Zone Management Program Grant # NA23NOS4190255.

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Supported Query Formats: JSON, geoJSON, PBF

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YMin: 4376620.029299997
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Spatial Reference: 102100  (3857)

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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• Locality ( type: esriFieldTypeString, alias: NAME, length: 254 )
• ShlnMiles ( type: esriFieldTypeDouble, alias: CountyMi )
• PubYear ( type: esriFieldTypeString, alias: PubYear, length: 5 )
• WaterShMi ( type: esriFieldTypeDouble, alias: WaterShMi )
• Imagery ( type: esriFieldTypeString, alias: Imagery, length: 255 )
• MarshShMi ( type: esriFieldTypeDouble, alias: MarshShMi )
• Shape_Length ( type: esriFieldTypeDouble, alias: Shape_Length )

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

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