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1990 to 1995 Charleston County Change Analysis Data


The map below shows the 1990 to 1995 change analysis data. These data were analyzed according to the Coastal Change Analysis Program (C-CAP) protocol to determine land cover. The purpose of this classification is to improve the understanding of coastal uplands and wetlands, and their linkages with the distribution, abundance, and health of living marine resources.

Land cover classifications were conducted for the coast of South Carolina using remotely sensed imagery, primarily Landsat Thematic Mapper (TM), from 1990 and 1995. After the land cover had been classified and a ground truth accuracy assessment study had been conducted, the two classified images, in this case 1990 and 1995, were subtracted from each other creating a change analysis map. Areas that are dark gray or black are regions that exhibited no change over the study period. To view a more detailed description of the data, click here.



Charleston County Change Analysis Data

  1995   1990    
  # Acres % of Acres # Acres % of Acres Change in Acres
Developed - High Intensity 17,079 2 16,707 2 373
Developed - Low Intensity 18,827 2 18,278 2 550
Cultivated Land 16,850 2 17,282 2 -433
Grassland 40,572 5 32,535 4 8,037
Deciduous Forest 2,833 0 3,136 0 -303
Evergreen Forest 70,504 8 65,789 8 4,715
Mixed Forest 38,205 4 40,791 5 -2,587
Scrub/Shrub 140,071 16 146,684 17 -6,613
Palustrine Forest 91,240 10 95,122 11 -3,882
Palustrine Scrub/Shrub 11,743 1 10,595 1 1,148
Palustrine Emergent Wetland 5,016 1 5,445 1 -429
Estuarine Emergent Wetland 126,970 15 129,831 15 -2,862
Unconsolidated Shore 4,108 0 4,122 0 -14
Bare Land 9,736 1 8,229 1 1,507
Water 276,812 32 276,018 32 793
Total 870,565 100 870,565 100 0


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