Tree Canopy 2023
Arlington County - GIS Portal
Updated Nov 2, 2026
About this dataset
<p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Davey Resource Group utilized LiDAR and aerial imagery to identify tree canopy cover and land cover classifications. Advanced image analysis methods were used to classify, or separate, the land cover layers from the overall imagery. The semi-automated extraction process was completed using Feature Analyst, an extension of ArcGIS</span><span style='font-family:inherit;'>®</span><span style='font-family:inherit;'>. Feature Analyst uses an object-oriented approach to cluster together objects with similar spectral (i.e., color) and spatial/contextual (e.g., texture, size, shape, pattern, and spatial association) characteristics.</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Contact: Department of Environmental Services</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Data Accessibility: Publicly Available</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Update Frequency: Never</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Last Revision Date: </span><span style='font-family:inherit;'>11/22/2024</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Creation Date: </span><span style='font-family:inherit;'>11/22/2024</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Feature Dataset Name: Tree_Canopy</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Layer Name: Tree_Canopy_2023_poly</span></p>
Data and resources (7)
- HTML
ArcGIS Hub Dataset
Modified Sep 2, 2026
- ArcGIS
ArcGIS GeoService
Modified Sep 2, 2026Map preview available
- CSV
CSV
Modified Nov 2, 2026Table and Data API available
- ZIP
Shapefile
Modified Sep 2, 2026Map preview available
- GeoJSON
GeoJSON
Modified Sep 2, 2026Map preview available
- KML
KML
Modified Sep 2, 2026Map preview available
- ZIP
File Geodatabase
Modified Sep 2, 2026