Table 3. Confusion matrix of land cover (2008~2018).

2018 year
Class Forest Deforestation Field and Grass BuiltUp Water Other land Total
2008 year Gaeseong Forest 15,665 7,975 2,542 41 73 - 26,297
Deforestation 10,831 27,980 4,284 220 90 - 43,405
Field and Grass 4,250 10,827 36,956 1,139 411 - 53,584
BuiltUp 79 336 1,234 715 64 - 2,429
Water 72 195 293 26 1,946 - 2,531
Other land 2 0 2 1 4 - 9
Total 30,899 47,314 45,311 2,143 2,588 - 128,254
Goseong Forest 37,870 5,178 1,364 144 85 45 44,685
Deforestation 13,406 12,088 1,263 221 68 82 27,128
Field and Grass 1,304 1,221 8,409 1,353 275 108 12,670
BuiltUp 317 291 189 31 15 4 848
Water 8 19 78 35 251 679 1,069
Other land 0 0 1 0 0 188 190
Total 52,906 18,796 11,305 1,784 693 1,106 86,590
Pyongyang Forest 30,768 8,399 3,752 1,600 406 - 44,925
Deforestation 7,981 14,053 1,906 902 225 - 25,066
Field and Grass 2,725 5,056 68,245 9,631 514 - 86,171
BuiltUp 528 664 4,867 8,288 317 - 14,664
Water 46 40 162 210 4,572 - 5,030
Other land 0 0 1 0 1 - 3
Total 42,048 28,212 78,933 20,631 6,035 - 175,859
Hyesan· Samsu Forest 53,774 9,270 2,038 114 169 - 65,364
Deforestation 8,691 24,504 1,340 559 664 - 35,758
Field and Grass 1,263 2,629 8,863 864 1,457 - 15,077
BuiltUp 85 515 219 485 106 - 1,410
Water 5 20 32 21 283 - 361
Other land 0 0 0 0 5 - 5
Total 63,818 36,938 12,492 2,043 2,684 - 117,975