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PENINGKATAN PEMANFATAAN DANAU RAWA PENING

Authors: Dwi Kurniani; Salamun Salamun; Dyah Ari Wulandari; Sriyana Sriyana; Albert Nico Tristanto; Zelly Rinaldi;

PENINGKATAN PEMANFATAAN DANAU RAWA PENING

Abstract

Abstrak Danau Rawa Pening mempunyai peranan sebagai reservoir alami yang dimanfaatkan untuk PLTA, sumber air baku, irigasi, perikanan, dan pariwisata serta pemeliharaan Sungai Tuntang. Salah satu permasalahan di Danau Rawa Pening adalah sedimentasi yang berdampak pada menurunnya kapasitas tampungan, oleh karena kondisi Danau Rawa Pening saat ini maka diperlukan upaya penanganan untuk meningkatkan pemanfaatan Danau Rawa Pening guna mendukung kegiatan irigasi pertanian, perikanan, pariwisata, supply air baku dan pembangkit listrik. Tujuan dari penelitian ini adalah untuk menganalisis peningkatan pemanfaatan Danau Rawa Pening yang merupakan waduk alami, tidak mempunyai intake dan pelimpah seperti waduk - waduk pada umumnya. Pengaturan outflow dari danau ada di Bendung Gerak Jelok yang berjarak ± 5 km dari outlet danau. Oleh karena itu peningkatan pemanfaatan danau akan dilakukan dengan membuat intake dan pelimpah sehingga pengeluaran dapat diatur sesuai kebutuhan yang diperlukan Tahapan analisis yang dilakukan adalah analisis kebutuhan air, analisis ketersediaan air, analisis laju sedimentasi, analisis kebutuhan tampungan dan analisis kinerja. Berdasarkan hasil analisis peningkatan pemanfaatan Danau Rawa Pening dapat dilakukan dengan membuat intake pada elevasi + 460,5 m dan pelimpah pada elevasi puncak + 462,72 m. Pada kondisi ini dapat disediakan tampungan efektif sebesar 31,9 juta m3, tampungan mati sebesar 1,264 juta m3 dan tampungan utk perikanan dan pariwisata sebesar 10,311 juta m3, dengan kinerja pelayanan 89%.Kata kunci: Sedimentasi, peningkatan pemanfataan danau, Danau Rawa Pening Abstract Lake Rawa Pening has a function as a natural reservoir that is used for hydropower plants, raw water, irrigation, fisheries, tourism and maintenance of the Tuntang River. The problems in Lake Rawa Pening is sedimentation which has an impact on decreasing storage capacity. Because of the current condition of Lake Rawa Pening, efforts are needed to improve the use of Lake Rawa Pening to support irrigation, fisheries, tourism, raw water supply and power generation. The purpose of this study was to analyze the increase in the utilization of Lake Rawa Pening. Lake Rawa Pening is a natural reservoir, does not have intake and spillway like ather reservoirs in general. The outflow arrangement from the lake is at Jelok Weir which is ± 5 km from the lake outlet. Therefore, increasing the use of lakes will be carried out by building intake and spillway so that release can be adjusted according to the demand. The stages of the analysis carried out are water demand analysis, water availability analysis, sedimentation rate analysis, storage needs analysis and performance analysis. Based on the results of the analysis of increasing utilization of Lake Rawa Pening, it can be done by building intake at an elevation +460.5 masl and spillway at elevation of +462.72 masl. In this condition, an effective storage capacity of 31.9 million m3, a dead storage capacity of 1,264 million m3 and a storage for fisheries and tourism of 10.311 million m3 can be provided, with performance of 89%.Keywords: Sedimentation, Increased use of the lake, Lake Rawa Pening

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Keywords

TA1-2040, Engineering (General). Civil engineering (General)

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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