Description

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The dataset contains basemap (planimetric) features that are typically classified as impervious surface captured in 2015., created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Some examples of Impervious Surfaces include: Airport Taxiways, Helipads, Outdoor Building Stairs, Buildings, Sidewalks, Roads, Alleys, Driveways, and Swimming Pools.

Dataset Attributes

  • OBJECTID
    Number
  • Shape
    Number
  • SHAPE_Length
    Number
  • SHAPE_Area
    Number
  • GIS_ID
    Number
    64 to 181147
  • FEATURECODE
    Number
    1050 to 4090
  • DESCRIPTION
    Text
    {"value"=>"Building", "count"=>160892} (), {"value"=>"Sidewalk", "count"=>30776} (), {"value"=>"Road", "count"=>14448} (), {"value"=>"Stairs", "count"=>9523} (), {"value"=>"Intersection", "count"=>7844} (), {"value"=>"Parking Lot", "count"=>6214} (), {"value"=>"Paved Drive", "count"=>3311} (), {"value"=>"Alley", "count"=>3215} (), {"value"=>"Swimming Pool", "count"=>1617} (), {"value"=>"Paved Median Island", "count"=>1414} ()
  • CAPTUREYEAR
    Date
    1112572800000 to 1429833600000
  • CAPTUREACTION
    Text
    {"value"=>"A", "count"=>240535} (), {"value"=>"E", "count"=>1484} ()
  • SOURCE
    Text
    {"value"=>"BldgPly", "count"=>161388} (), {"value"=>"SidewalkPly", "count"=>40299} (), {"value"=>"RoadPly", "count"=>36969} (), {"value"=>"SwmPoolPly", "count"=>1617} (), {"value"=>"RecAreaPly", "count"=>1482} (), {"value"=>"WaterPly", "count"=>264} (), {"value"=>"AirPly", "count"=>17} ()

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