Ulumuddin, Muhammad Ageng, Sedyowati, Laksni ORCID: https://orcid.org/0000-0001-9170-9864 and Wibisono, Gunawan (2022) Kajian Hubungan Intensitas Hujan – Limpasan Pada Plot Uji Berlereng Dengan Permukaan Kedap Air. Composite: Journal Of Civil Engineering, 1 (1). pp. 1-8. ISSN 2964-6626 (P) ; 2961-7111 (E)

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Abstract

The rapid development of infrastructure development causes the reduction of land catchment areas. As a direct impact, the greater the runoff that occurs along the flow. Observations to determine the relationship between rainfall intensity, slope
and runoff were carried out through field experiments. The experiment was carried out on a test plot scale with a rain simulator that could adjust the rainwater pressure and the slope of the test plot so that it was close to the actualconditions in the field. Observations were made by varying the intensity of rain and 3 variations of the slope of the test plot, namely: 0%, 2% and 5%. The results of the observations show the coefficient of determination of the relationship between rain intensity and runoff using the exponential function in the strongest excel software at the slope of the test plot of 0% (flat) with the coefficient of determination R2 = 0.8455. The greater the slope of the test plot, the smaller the value of the coefficient of determination.

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