ANALISIS EROSI PADA SUB DAS ENIM DENGAN MENGGUNAKAN PERSAMAAN MUSLE (MODIFIED UNIVERSAL SOIL LOSS EQUATION)

RAMADHANEALDY, GILANG and Sarino, Sarino and Yuono, Agus Lestari (2021) ANALISIS EROSI PADA SUB DAS ENIM DENGAN MENGGUNAKAN PERSAMAAN MUSLE (MODIFIED UNIVERSAL SOIL LOSS EQUATION). Undergraduate thesis, Sriwijaya University.

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Abstract

Soil is the layer of the earth's surface which is very influential for the life aspects of living things. Where the soil structure itself consists of dust, sand and clay formed by natural processes. If the condition of the soil structure is thinning due to soil erosion by several elements, such as changes in land use and changes in rain patterns, erosion will occur. Erosion causes the loss of soil that is fertile and good for plant growth and reduces the ability of the soil to absorb and hold water. For this reason, it is necessary to carry out analysis related to erosion in the Enim sub-watershed based on several parameters, namely soil erodibility, length & slope and land use. Based on data analysis that has been calculated using the MUSLE equation method and the help of ArcGIS 10.5 software in 2010 and 2019, the highest erosion occurred in 2019 with erosion of 4.99 tons/ha/year with an erosivity factor of 65,931.07 MJ.mm/ year and rainfall of 17.54 mm. Meanwhile, in 2010 the erosion that occurred was 1.15 tons/ha/year with an erosivity factor of 15,056.47 MJ.mm/year and rainfall of 22.24 mm. Overall, with the land area of the Enim sub-watershed in 2010 amounting to 120,746.63 hectares and in 2019 amounting to 121,413.50 hectares, erosion has increased in areas identified as areas prone to erosion and potential natural disasters. Therefore, there is a need for land management and land conservation measures.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: erosion analysis, watershed, MUSLE method, ArcGIS.
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA329-348 Engineering mathematics. Engineering analysis
Divisions: 03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User: Users 9664 not found.
Date Deposited: 11 Jan 2021 06:47
Last Modified: 11 Jan 2021 06:47
URI: http://repository.unsri.ac.id/id/eprint/39593

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