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Jurnal Teknik Pengairan Jurusan Teknik Pengairan Fakultas Teknik, Universitas Brawijaya Jl. MT. Haryono 167 Malang
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Jurnal Teknik Pengairan: Journal of Water Resources Engineering
Published by Universitas Brawijaya
ISSN : 20861761     EISSN : 24776068     DOI : 10.21776
Core Subject : Engineering,
Engineering
Jurnal Teknik Pengairan is a scientific journal published regularly twice per year by Faculty of Engineering, Universitas Brawijaya. The paper submitted in this journal covers the fields of Water Resources Information System, Water Resources Conservation, Water Resources Utilization and Efficiency, Water Structure Engineering Planning and Water Resources Engineering Basic Knowledge. The submitted paper can be a summary of research reports or scientific literature review. The language used in this journal is either English or Indonesian.
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Articles 2 Documents
 1 
Search results for , issue " Vol 5, No 1 (2014)" : 2 Documents clear
Upaya Konservasi Waduk Selorejo Berdasarkan Perkembangan Peta Penggunaan Lahan Dalam Kurun Waktu Tahun 2000–2011 Yudiarso, Rendra Arif; Suhartanto, Ery; Soetopo, Widandi
Jurnal Teknik Pengairan Vol 5, No 1 (2014)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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Abstract

Selorejo Reservoir is managed by the Perum Jasatirta I. Selorejo reservoir was planned for 50 years in effective usage. By the end year of 2010 this reservoir has been operated for 38 years. This study was conducted to determine the amount of sediment inflow into the reservoir, how many year the effective usage of Selorejo reservoir is still remain, and the conservation efforts are made to maintain the effective usage of the reservoir. The Estimation of erosion rates is calculated by the AVSWAT 2000’s model approach and calculate the Reservoir’s effective by the Linsley empirical equation. With the Brunne efficiency trap method obtained the rest of reservoir effective usage is about 10.99 years ( from 12 years rest of the Reservoir effective usage). Another empirical approach with the Churchill efficiency trap method obtained the rest of reservoir effective usage is about 17.66 years. Based on the Brunne efficiency trap method calculation, the Reservoir effective usage can not reached. short-term Reservoir conservation effort can reduce the sediment about 85.55 % each year with 5.05 billion in cost, the medium term can reduce the sediment about 4:03 % each year with 12.2 billion in implementation and OM cost, and the long-term can reduce the sediment 63.9 % each year. Based on the percentage of sediment reduction, the budget plan costs, and the direct benefits that can be perceived, so the short-term alternative can be used as the priority for reservoir management.Keywords: AVSWAT 2000, Reservoir’s effective time, Conservation.
Kajian Pengendalian Laju Sedimen Dengan Bangunan Pengendali Di DAS Hulu Batang Gadis Propinsi Sumatera Utara Kaharuddin, Kaharuddin; Bisri, Mohammad; Juwono, Pitojo Tri
Jurnal Teknik Pengairan Vol 5, No 1 (2014)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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Abstract

Hulu Batang Gadis Watershed is located in the district of Mandailing Natal province of North Sumatra . The rate of erosion in the watershed upstream Batang Gadis last 3 years has increased , it can be seen from the results of the analysis and calculation of the rate of erosion USLE method which in 2008 amounted to 307 285 tonnes / ha / year , in 2010 amounted to 318 482 tonnes / ha / year , Year 2012 of 385 336 tonnes / ha / year . This indicates an increase in the rate of erosion in 2008 - 2012 at 20:26% .. The rate of soil erosion hazard and criticality criteria of 1.41% Very Light , Light 10.92% , 17.76% Medium , Heavy and Very Heavy 49.59% ,20.32% . The results depend on the amount of sediment erosion in the watershed / sub-watershed .. Currently sediment issues have an impact on the downstream watershed upstream Batang Gadis ie the number of incoming sediment kesaluran irrigation and river silting . One attempt to overcome this problem is by building sediment control in the form of Check Dam . In this research study conducted as the proposed construction of sediment control 33 Check Dam . Successful achievement of development can reduce sediment control sediment 90.91% on average of all the bin capacity Chek Dam , while by means of sediment routing can reduce sediment by 97.39% with the operation of the check dam for 3 years . In addition to building pendali also recommended handling a land conservation treatment with a wide landing area function Buffer Zone 59.28% , Budi Region 4.57% Annual Plants , Cultivation Region Annuals 36.15% . The arrangement of the achievements of the region is a big impact on the land eroded soil erosion is very heavy 20.32% of basin area upstream Batang Gadis be 1.83% .Keyword: Erosion, sedimentation, controle structure, conservation

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