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Contours 1ft Seattle Shoreline Area [Washington (State)--Seattle] {2021}

City of Seattle ArcGIS Online · 2021 Full Details

Full Details

Title
Contours 1ft Seattle Shoreline Area [Washington (State)--Seattle] {2021}
Description
1ft contours along the City of Seattle shoreline derived from Lidar captured in 2021. Contour lines display at 1ft, 5ft and 20ft intervals dependent on scale.Development Detail:This vector tile service includes topographic contour lines representing elevation at 1-foot intervals within the City of Seattle shoreline area.The contours were derived from a bare earth - digital elevation model (DEM) with a pixel resolution of 1.5 feet. The lidar data that created the DEM were collected by NV5 Geospatial over the spring and summer months of 2021 and provided to the city by King County in 2022.The DEM used to generate the contours was filtered using the Focal Statistics tool in ArcGIS, which served to limit some abrupt changes in cell values. A 3x3 rectangular neighborhood analysis was applied and a mean value was calculated per raster cell.After generating the contours from the generalized raster, all lines less than 25 feet in length were omitted from the final output.Please note: The 1-foot contours are intended to be used for general reference and cartographic purposes only and should not be used for analysis purposes.
Creator
City of Seattle ArcGIS Online
Temporal Coverage
2021
Date Issued
2023-02-21
Access Rights
Public
Format
File
Language
English
Date Added
August 28, 2025

Location

Links

Cite and Reference

  • Citation
    City of Seattle ArcGIS Online (2023). Contours 1ft Seattle Shoreline Area [Washington (State)--Seattle] {2021}. . https://data-seattlecitygis.opendata.arcgis.com/maps/SeattleCityGIS::contours-1ft-2021-seattle-shoreline-area (web service)
  • BTAA Geoportal Link

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