PERBANDINGAN PREDIKSI HASIL SEDIMEN MENGGUNAKAN PENDEKATAN MODEL UNIVERSAL SOIL LOSS EQUATION DENGAN PENGUKURAN LANGSUNG (Comparison of sediment yield from prediction using Universal Soil Loss Equation with direct measurement)

Jurnal Penelitian Pengelolaan Daerah Aliran Sungai

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Title PERBANDINGAN PREDIKSI HASIL SEDIMEN MENGGUNAKAN PENDEKATAN MODEL UNIVERSAL SOIL LOSS EQUATION DENGAN PENGUKURAN LANGSUNG (Comparison of sediment yield from prediction using Universal Soil Loss Equation with direct measurement)
 
Creator Auliyani, Diah
Wijaya, Wahyu Wisnu
 
Subject rainfall erosivity; sedimentation; USLE
 
Description Low level of sedimentation is a success indicator of watershed management. Measurement of sedimentation can be conducted directly or through erosion prediction approach. This research aimed to compare sediment yield from prediction by USLE erosion approach using three types formulations of rainfall erosivity with direct measurement. The field data were collected during 2015 in Lowereng Sub Watershed, Sempor District of Kebumen Regency. The slope steepness was derived from ASTER Global Digital Elevation Model and land cover was obtained from World View 2012. Three methods for estimating rainfall erosivity were Utomo and Mahmud, Bols, and Lenvain equations. The USLE applied for every land unit. By considering Sediment Delivery Ratio (SDR), the predicted soil erosion from USLE was converted into sediment yield. The direct measurement of sediment yield was conducted by taking suspended sediment in the outlet of sub watershed. This research indicates that the predicted sediment yield calculated using USLE approach was higher than the direct measurement. The predicted sediment yield using Lenvain’s equation was 3.49 ton/ha (196%), which was the closest to the direct measurement (1.18 ton/ha).
 
Publisher Balai Penelitian dan Pengembangan Teknologi Pengelolaan DAS
 
Contributor
 
Date 2017-04-28
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://ejournal.forda-mof.org/ejournal-litbang/index.php/JPPDAS/article/view/2570
10.20886/jppdas.2017.1.1.61-71
 
Source Jurnal Penelitian Pengelolaan Daerah Aliran Sungai; Vol 1, No 1 (2017): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai; 61-71
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai; Vol 1, No 1 (2017): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai; 61-71
2579-5511
2579-6097
 
Language eng
 
Relation http://ejournal.forda-mof.org/ejournal-litbang/index.php/JPPDAS/article/view/2570/2078
 
Rights Copyright (c) 2017 Jurnal Penelitian Pengelolaan DAS
http://creativecommons.org/licenses/by-nc-sa/4.0
 

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