Considerations about map-updating and images resolution


Hydrology:

Table 6
   10 m images  5 m images  2.5 m images  1m images
Rivers and channels  Recognition to Identification  Recognition to Identification  Recognition to Identification  Recognition to Identification
Streams  Detection to recognition  Recognition to Identification  Recognition to Identification  Recognition to identification
Lakes and dams  Recognition to Identification  Identification  Identification  Identification
Springs  No  No  No  No
Wells  No  No  No  No to detection




Equipments:

Table 7
    10 m images   5 m images   2.5 m images   1m images
Power lines   Detection to Identification   Detection to Identification   Detection to Identification   Identification
Major tunnels   No to detection   No to detection   No to Identification   No to Identification
Other tunnels  No   No to detection   No to detection   No to detection
Major bridges   Detection to Identification   Detection to Identification   Recognition to Identification   Recognition to Identification
Other bridges  No   No to detection   No to Recognition   No to Recognition
Sport fields   Recognition to Identification  Identification  Identification   Identification to Technical Analysis




Settlements:

Table 8


    10 m images   5 m images   2.5 m images   1m images
High-density urban areas   Recognition to Identification  Identification  Identification   Identification
Low-density urban areas   Recognition to Identification  Identification  Identification   Identification
Villages   Recognition to Identification  Identification  Identification   Identification
Isolated buildings   Detection to recognition   Recognition to Identification  Identification   Detection to identification




Vegetation / land cover:

Table 9
    10 m images   5 m images   2.5 m images   1m images
Cultivated area  Identification  Identification  Identification   Identification
Orchard, plantation   Recognition to Identification   Recognition to Identification  Identification   Identification
Grassland  Identification  Identification  Identification   Identification
Bush  Identification  Identification  Identification   Identification
Forest  Identification  Identification  Identification   Identification
Rocky areas  Identification  Identification  Identification   Identification





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