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VIMS_SSP/OceanSide_marsh_features (MapServer)

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Service Description: The 1949 shoreline was digitized from historic aerial photography that were orthorectified in ERDAS by the Shoreline Studies Program and the 2017 shoreline was digitized from the Virginia Base Mapping Program (VBMP) orthophotography for Chesapeake Bay region in Virginia. The 2017 digital orthophotography was acquired and processed by VBMP. Using methodology reported in Morton et al. (2004) and National Spatial Data Infrastructure (1998), estimates of error in rectification, control source, DEM and digitizing were combined to provide an estimate of total maximum shoreline position error. These data sets have an estimated total maximum shoreline position error of 20.0 ft, while the total maximum shoreline error for the three existing datasets are estimated at 18.3 ft for USGS and 10.2 ft for VBMP. Any inaccuracies are due to any misalignment from poor photo quality, physical condition of each aerial photograph used, tree cover on banks, time of tide when the photos were taken, and errors in positional accuracy.

Map Name: Layers

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Layers: Description:

Copyright Text: Shoreline Studies Program at Virginia Institute of Marine Science

Spatial Reference: 26918  (26918)


Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info: Supports Dynamic Layers: false

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



Child Resources:   Info

Supported Operations:   Export Map   Identify   QueryLegends   QueryDomains   Find   Return Updates   Generate KML