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Related Downloads

Africover data

Spatial Aggregations Parameters : Sudan

This table synthesizes the area thresholds used to spatially aggregate the land cover data base and the polygon count before and after the aggregation:

ORIGINAL
SPATIAL AGGREGATION
LC GROUP
POLYGON-COUNT
AREA THRESHOLD
POLYGON-COUNT
A11 & A23 - Cultivated Terrestrial & Aquatic
5584
< 515 ha
3897
A12 - Natural Vegetation - Terrestrial
12899
< 630 ha
9030
A24 - Natural Vegetation - Aquatic
1551
< 620 ha
1090
B15 - Artificial Surfaces
875
< 100 ha
616
B16 - Bare Areas
8392
< 675 ha
5883
B27 & B28 - Artificial & Natural Water
602
< 200 ha
421
TOTAL POLYGONS
29903
-
20937

You can also download the table (pdf) containing the detailed comparison between the polygon counts of the original and spatially aggregated data base. (If you do not have Adobe Acrobat, use the right mouse button and save target to your hardisk)

 

   
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