Analisa Tingkat Bahaya Erosi (Studi Kasus Gang Putingan Jl. Padat Karya Km-2 Muara Rapak Balikpapan Utara) Menggunakan Metode USLE
Abstract
Erosion is a natural process that often causes problems, especially if erosion has an impact on the
urban area. The objective of the present study is to estimate the annual soil loss using USLE model in
areas that have hilly topographic conditions in Putingan area, Jl.Padat Karya North Balikpapan City
of Balikpapan. The method used is USLE (Universal Soil Loss Equation), using Erosivity Factor (R),
Erodibility Factor (K), Topographic Factor (LS), Vegetation Cover Factor (C) and Erosion Control
Factor (P) is calculated to obtain the annual rate of erosion that located in Outlet of Watershed. The
quantity of soil loss that obtained from this study are categories as moderate erosion in the amount of
130.1 tons / Ha / Year, while for the erosion hazard index included in the High category with a
Tolerable Soil Loss (TSL) value of 5.42, with that number then It is recommended that immediate
action be taken to reduce the potential for erosion hazard by controlling surface runoff and land
engineering so as to reduce the rate of erosion.
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