Evaluasi Kesesuaian Lahan Permukiman Berbasis Sistem Informasi Geografis (Studi Kasus : Semarang Bagian Selatan)

In residential developments that occurred in the area of Southren Semarang namely Gunung Pati, Tembalang and Banyumanik is directly influenced by the presence of colleges and traders or workers who later came to the region. Beside the land area that is still widespread, and the facilities are sub-districts eventually be one of the places to activities. Geographic Information System (GIS) is a right step in presenting the spatial aspects (spatial). In this case the GIS has the benefit that can be used to analyze the process of land suitability evaluation in accordance with predetermined parameters, namely land use, slope, soil type, rainfall, distance to the main road and ground movement. From the analysis using AHP (Analytical Hierarchy Process) showed much weight affect for each parameter of 35.78% for the slope and soil movement, 10.80% for the type of soil, 8.33% for the landuse, 5, 42% of the distance to the main road and 3.89% for outpour of rainfall. From the results of the scoring overlay the map results obtained land with an area of 5101.10 (ha), or approximately 31.87% is very suitable for settlement, land with an area of 3764.69 (ha), or approximately 23.52% according to settlements, land with wide 2914.16 (ha), or approximately 18.21% is quite suitable for settlement, land with an area of 1287.36 (ha), or approximately 8.04% less land suitable for settlement and land with an area of 3012.56 (ha) or around 18.82% are not suitable