Geography Reference
In-Depth Information
Table 6.5 The final overall accuracy of classification results of the general classes, the irrigated areas and the agricultural features (permanent, winter and
summer), using various remote sensing data (LANDSAT: MSS and TM; and TERRA: ASTER fused with LANDSAT: ETM+) for the years 1975, 1987,
2005 and 2007)
MSS-1975
(%)
TM-1987
(%)
ASTER and ETM+-2005
(%)
TM-2007
(%)
Irrigated areas
82
93
94
92
Cultivated areas
82
93
94
92
Trees ? shrubs
-
91
92
90
Herbaceous (permanent- and winter-
crops)
-
87
85
85
Alfalfa
-
89
-
-
Vetch
-
79
-
-
Wheat
-
82
84
83
Barley
-
71
74
73
Sugar beet
-
89
88
91
Rain-fed
crops
-
93
-
-
Other crops
-
88
86
84
Fallow
-
96
97
95
Herbaceous (summer-crops)
-
89
87
86
Cotton
-
84
87
86
Corn
-
74
78
76
Other crops
-
82
85
78
Fallow
-
87
86
83
Uncultivated
areas
79
87
90
88
Natural vegetation
60
67
73
63
Artificial surfaces
40
81
77
65
Bare areas
67
88
91
83
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