[Imports] Forest Cover Data

Christoph Hormann chris_hormann at gmx.de
Mon Oct 20 08:33:10 UTC 2014


On Monday 20 October 2014, Ludwig wrote:
> I just stumbled over
> http://earthenginepartners.appspot.com/science-2013-global-forest
>
> More info under
> http://earthenginepartners.appspot.com/science-2013-global-forest/dow
>nload.html

Independent from the license the tree cover data is not suited for 
import into OSM for multiple reasons:

- the data shows percentage of tree cover which is something OSM does 
not map.  OSM does only distinguish between forest/wood and no 
forest/wood, furthermore not all tree covered areas are tagged as such 
like landuse=orchard.  leisure=park/leisure=garden can be largely tree 
covered as well.

- the data is not very reliable, distinguishing between woodland and 
scrubland as well as woodland and non-wooded wetlands based on spectral 
characterisitics is tricky.

-- 
Christoph Hormann
http://www.imagico.de/



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