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Center for Spatial Analysis Technologies



Savannah, Chatham County, Georgia



[GA Tech]

Satellite Imagery
NASA Photography
Land Cover Change

Digital Data for Chatham County, Georgia (Satellite Imagery)


Maps of Chatham County, Georgia using a base map developed from EOSAT Landsat Thematic Mapper (TM) satellite imagery (30 meters) merged with SPOT Image, Panchromatic satellite imagery (10 meters) to produce a 10 meter color composite are shown below. Also shown are vector representations of roads and hydrography (streams and lakes) using 1:100,000 scale digital line graph (DLG) data from the USGS Node of the National Geospatial Data Clearinghouse.
[landsat map] SPOT-TM Data for Chatham County (GIF, 170KB)

[roads map] SPOT-TM Data and USGS 1:100,000 Roads(GIF, 170KB)

[hydrology map] SPOT-TM Data and USGS 1:100,000 Hydrography(GIF, 170KB)

Digital Data for Chatham County, Georgia (Aerial Photography)


Below are a series of images based on National Aeronautics and Space Administration (NASA) aerial photography of coastal areas in the late 1970's and early 1980's. NASA involvement in mapping coastal resources and ecosystems is a continuing function of NASA's Mission to Planet Earth

[full NASA photo] NASA Aerial Photo of Chatham County 1980 (GIF, 550KB)

[NASA photo Whitemarsh Island] Whitemarsh Island, Chatham County 1980 (GIF, 302KB)

[NASA photo Downtown Savannah] City of Savannah, Chatham County 1980 (GIF, 245KB)

Twenty Year Landcover Change for Chatham County, Georgia


Below are selected images from a NASA study depicting landcover change from image classification of Landsat TM data (note: areas highlighted in yellow have changed from previous image.)
Savannah landcover in 1973 and 1990
| 1973 | 1975 | 1979 | | 1981 | 1983 | 1985 | 1987| 1990 |


[movie icon] Visualization of Savannah, Chatham County (MPEG, 200 KB)
[movie icon] Visualization of Savannah, Chatham County (AVI, 2.3 MB)


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Page Last Modified: Thursday, 14-Jun-2007 15:27:19 EDT