Assessment of Spatial Distribution of Land Based on Analysis of Slope and Water Conservation Programs

Putranto, Dinar DA and Titis, Pratami and Ruana, Indah Permata (2017) Assessment of Spatial Distribution of Land Based on Analysis of Slope and Water Conservation Programs. In: International Conference on suitainaible agriculture (ICOSA), 17-18 January 2017, University of Muhammadiyah Yogyakarta.

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          Abstract

          Central Lematang is one of the Lematang sub-watersheds with a height of approximately 1,750 m above the average sea level located in Lahat Regency, South Sumatra Province. The difference in regional topography will affect the amount of rainfall to be distributed in the Central Lematang watershed. Mining activities around the area can also affect watersheds that cause runoff and erosivity to the process of spreading of sedimentation. On this basis, how the pattern and distribution of spatial sedimentation in the Central Lematang sub-watershed area occur due to the influence of rainfall intensity in the area. From the results of rainfall analysis, obtained an equation for the distribution of rainfall intensity in the return period of 2 years, y = 24,470-0,011X with a correlation coefficient of 0.617. As for the equation of distribution of average annual rainfall, y = 3,069,493-0,743X with a correlation coefficient of 0.571. From the results of the analysis of the distribution of sedimentation in the Middle Lematang River Basin, it can be seen that the spread of sediment deposited in the Lematang 1, Lematang 4, Lematang 8 and Lematang 10 sub-watersheds is caused by rainfall intensity which is then flowed by soil types with a lot of clay texture and the presence of plantation and forest land. so that sediment in the area is carried away because of the slope so that it is retained in irrigated or irrigated land

          Item Type: Conference or Workshop Item (Paper)
          Subjects: T Technology > TD Environmental technology. Sanitary engineering
          Divisions: UNSPECIFIED
          Depositing User: Dr. Ir. Dinar Dwi Anugerah Putranto
          Date Deposited: 14 Sep 2019 17:40
          Last Modified: 14 Sep 2019 17:40
          URI: http://eprints.unsri.ac.id/id/eprint/8706

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