Estimasi Potensi Limpasan Permukaan dengan Menggunakan Data Penginderaan Jauh dan Sistem Informasi Geografi di Daerah Aliran Sungai Kayan Provinsi Kalimantan Utara

Negoro, Soko and , Drs. Munawar Cholil, M.Si (2018) Estimasi Potensi Limpasan Permukaan dengan Menggunakan Data Penginderaan Jauh dan Sistem Informasi Geografi di Daerah Aliran Sungai Kayan Provinsi Kalimantan Utara. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Land use transfer is one of the factors causing the change of hydrogi output in a watershed. Changes in land from non-built to built indicate that the area has the potential for floods to run up. This is because the low level of infiltration causes the surrounding soil to be impermeable to water, especially in the soil texture which has clay texture. This area is often found in downstream areas, especially in the Tanjung Selor watershed. This study aims to: determine the level of remote sensing data accuracy in estimating the potential for surface runoff and analyze the surface runoff coefficient in each sub watershed and the distribution of potential surface runoff in the Kayan watershed. The research method used in knowing the surface runoff coefficient in each sub watershed is by using the cook method. This method uses slope, drainage density and infiltration variables obtained from processing DEM SRTM 90 M and land use variables obtained from the interpretation of Spot Spot 7 in 2016. The use of this method aims to obtain coefficient values in each watershed. The greater the surface runoff coefficient, the greater the potential for flood runoff. The results obtained from the calculation of accuracy test in knowing the level of accuracy of remote sensing data to estimate the potential for surface runoff that is equal to 73.33%. That is, the data is suitable for future research. The influence of the coefficient value in estimating the potential for surface runoff is obtained by the value which has the largest number of coefficients in the Tanjung Selor watershed which is around 55.73%. The magnitude of the coefficient value in the area is influenced by the relatively flat slope of the slope to cause the coefficient to be greater, namely 25.74. The higher the coefficient value generated, the greater the potential for surface runoff.

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	Potensi Limpasan, Koefisien Limpasan Permukaan (C), Daerah Aliran Sungai (DAS)
Subjects:	G Geography. Anthropology. Recreation > G Geography (General) G Geography. Anthropology. Recreation > GB Physical geography
Divisions:	Fakultas Geografi > Geografi Fakultas Geografi > Geografi Fakultas Geografi > Geografi
Depositing User:	SOKO NEGORO
Date Deposited:	14 Aug 2018 02:35
Last Modified:	31 Oct 2024 06:35
URI:	http://eprints.ums.ac.id/id/eprint/66163

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