Use of archival Landsat imagery to monitor urban spatial growth - Urban Remote Sensing: Monitoring, Synthesis and Modeling in the Urban Environment - page 23

TABLE 2.5 Land use/cover conversion statistics for 13 counties in Atlanta during different periods.

Maps Nature 1973-1979 1979-1997 1987-1993 1993-1999 1999-2007 1973-2007

Year A Year B of change Area % Area % Area % Area % Area % Area %

code a (ha) (ha) (ha) (ha) (ha) (ha)

3 1 C1 344 0.03 1064 0.10 894 0.09 623 0.06 1455 0.14 3874 0.37

3 2 C2 1464 0.14 1544 0.15 2199 0.21 1073 0.10 1490 0.14 6936 0.66

4 1 C3 2017 0.19 2281 0.22 2146 0.21 3161 0.30 19 072 1.82 27 423 2.62

4 2 C4 21 550 2.06 11 484 1.10 13 852 1.33 10 260 0.98 49 567 4.74 84 417 8.08

5 1 C5 2657 0.25 5661 0.54 4025 0.39 16 522 1.58 25 407 2.43 47 988 4.59

5 2 C6 33 014 3.16 42 683 4.08 28 976 2.77 56 154 5.37 114 576 10.96 223 800 21.41

All other combinations C7 984 170 94.16 980 499 93.81 993 123 95.02 957 422 91.60 833 647 79.76 650 776 62.26

a Note: C1, converted from cultivated/exposed land into high-density urban; C2, converted from cultivated/exposed land into low-density urban; C3, converted from cropland/grassland into high-density urban; C4,
converted from cropland/grassland into low-density urban; C5, converted from forest into high-density urban; C6, converted from forest into low-density urban; and C7, all other combinations which are not considered here.