CORINE Land Cover 2006 for Continental Portugal

CORINE Land Cover 2006 for Continental Portugal ix
Caetano et al., 2009
Table Table index
index
Table 1 - Characteristics of CHA06_PT, CLC00_PT and CLC06_PT.................................... 4
Table 2 – CORINE Land Cover (CLC) nomenclature. .......................................................... 5
Table 3 - General characteristics of the satellite images used as base data...................... 7
Table 4 – Detailed characteristics of the satellite images used as base data. .................... 8
Table 5 – Summary of ancillary data characteristics. ........................................................ 9
Table 6 – Technical specifications of the orthorectified digital aerial images. ................. 10
Table 7 – Examples of the tools created by the National Technical Team for the extension
of Interchange 2.0. .................................................................................................. 13
Table 8 – Key-features of the accuracy assessment strategy developed for CLC06_PT.... 17
Table 9 - Areas gained (+) and lost (-) per CLC class between 2000 and 2006 in
Continental Portugal................................................................................................ 20
Table 10 – 2000-2006 land use and land cover change matrix for Continental Portugal
(areas are presented in hectares). ............................................................................ 21
Table 11 - Top-10 level-3 changes in Continental Portugal between 2000 and 2006. ... 22
Table 12 – Area differences per CLC class between the revised and the original CLC2000-
PT databases. .......................................................................................................... 24
Table 13 – Percentage area occupied per mapped land cover class (Nh). Estimates for
percentage area occupied per reference land cover class (Ng), percentage overall
accuracy (P), percentage user’s accuracy (Ph), and percentage producer’s accuracy (Pg).
The absolute precision (d) was estimated at the 95% confidence level. ..................... 26
Table 14 – CLC level-1 class areas in CLC06_PT and CLC00_PT. .................................... 28
Table 15 - CLC level-2 class areas in CLC06_PT and CLC00_PT. .................................... 28
Table 16 - CLC level-3 class areas in CLC06_PT and CLC00_PT. .................................... 29