MATEC Web Conf.
Volume 101, 2017Sriwijaya International Conference on Engineering, Science and Technology (SICEST 2016)
|Number of page(s)||5|
|Section||Applied Technology for Sustainable Environment|
|Published online||09 March 2017|
Analysis of erosion hazardous level and sedimentation in Manna Watershed, Bengkulu Province Indonesia
1 Civil Engineering Department Faculty of Engineering, University of Bengkulu, 38371 Bengkulu, Indonesia
2 Soil Science Department Faculty of Agriculture, University of Bengkulu, 38371 Bengkulu, Indonesia
* Corresponding author: email@example.com
The research purposeis to analyze erosion hazardous level and sedimentation on Manna watershed, Bengkulu Province. The research area geographically lies between 102°51′38.2″-103°10′57.8″ East., and 4°0′39.6″-4°29′38.0″ South covering 72,071.9 ha. Potential erosion yield and level were calculated by applying Universal Soil Loss Equation, and spatial analysis of the erosion was done using ArcGIS. The potential erosion in Manna watershed was classified as moderate hazardous level of 12,442,368.12tons yr−1 or similar to170.68 tons ha−1yr−1. Moderate to high level Soil erosion covered areas of 47,359.00ha, or 65.19% of Manna watershed, and high risk of potential erosion with very high sedimentation rate amounted to 248.851,1 tons yr−1. In short, land cover in Manna watershed was generally in high environmental pressures, therefore, and in future, water resources would face environmental problems.
© The Authors, published by EDP Sciences, 2017
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