Analisis Karakteristik Parameter Hidrologi Akibat Alih Fungsi Lahan di Sub Daerah aliran Sungai Klawing

The changes of the land use which uncontrollable due to the ratio of maximum and minimum debit elevated, also the run off of the water level which can cause erosion and sedimentation. The study was conducted at Sub Watersheed Klawing. The aim of the study is to find out the land use change atthis sub watershed in 2007 and 2017, and to analyse the hydrology parameter’s characteristics in 2008 and 2017. The method used in this study was survey method. Field check used to match the land use change that happened from 2007 and 2017. The analtycal method of the land use change in 2007 and 2017 at Sub Watershed Klawing used overlay analysis using Geographic Information System, and also used comparative descriptive method to compare the result of the calculation of hydrology parameter to the type of land use change. The result shows that Sub Watershed Klawing has 11 types of land use, and the biggest land use changein 2007 till 2017 is the land use from plantation into settlement, the change inplantation area is 2498,33 Ha. The average point KRS is 142, 29m3/second in the badcategory, while the average value of the Runoff Coefficient is 0,84 which in bad category