Is there any way I can extract the green area from the basemap to a polygon? Trying to find an quicker/easier solution than manually tracing it.
You can’t directly convert a basemap into a polygon because basemaps are just images, not real vector data.
If you need that green area as a polygon, you have 3 options:
If it’s just a quick job, manual tracing is usually the fastest.
As stated above, no. But this Learn ArcGIS lesson provides another workflow to do something similar - Extract high-resolution land cover with GeoAI | Documentation