According to each objects being in fields of hydrology, agriculture, forestry, environment and even the army, the land-cover informations can be acquired by using topo map, aerial photographs, the satellite data and so on.
Most of the land-cover inf...
According to each objects being in fields of hydrology, agriculture, forestry, environment and even the army, the land-cover informations can be acquired by using topo map, aerial photographs, the satellite data and so on.
Most of the land-cover informations are different in required accuracy as each of the applied fields, especially, in the case of hydrology, but Landsat TM image that has 30mx30m resolution was sufficient for hydrologic study. This study, therefore, used TM digital image to get the land-cover information hydrologic analysis.
Land-cover informations were devided into the six kinds of urban, wet-crop, dry-crop, forestry, bear-land, and water in Chuncheon basin.
Finally, land-cover must be classified by all band image and seasonal (rainy and dry) image for the higher accuracy.