ANALISIS KESESUAIAN PERMUKIMAN TERHADAP BAHAYA LONGSORAN DENGAN MENGGUNAKAN TEKNOLOGI SISTEM INFORMASI GEOGRAFI DI KECAMATAN TEMBALANG KOTA SEMARANG

Abstract

The aim of this research which seeks: (1) Disclose the suitability of land for residential areas in District Tembalang (2)
Disclose the evaluation of suitability of land for residential areas in District Tembalang and (3) Establish the area of
settlements in the District Tembalang. Data analysis method is through the method of overlaying (overlay) maps and
methods pengharkatan (scoring). The results showed that in 313 land units District Tembalang there are three (3) class
land units with three (3) the suitability of land, among others: (1) Units of land class I with land suitability Very
Suitable (S1) explained that land units with conditions excellent remedy settlements. This region has an area of 1,913
km2 with a percentage 2:58%, ie inhibiting factor parameter wrinkle development of land and soil bearing capacity. (2)
Unit class II land with land suitability Suitable (S2) explained that land units with appropriate conditions for the
location of settlements with little obstacle. The total area is about 68 673 km2 with a percentage of 92.57%. inhibiting
factors include parameter wrinkle development of land, the carrying capacity of the soil, the soil surface drainage,
erosion, flood hazard. (3) Unit Class III lands with land suitability accordance Marginal (S3) explained that land units
with the medium (appropriately enough) to settlements with some inhibiting factors. Inhibiting factor is the slope
parameter, flowers wrinkle land, the carrying capacity of the soil, erosion, groundwater depth, access to groundwater,
the number of grooves. This region has an area of 3,597 km2 with a percentage of 4.85%.