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All Journal Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Management of Aquatic Resources Journal (Maquares)
Dominig, Amryta
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Decision Sciences, Operations Research & Management Education

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LAJU SEDIMENTASI PERAIRAN SUNGAI SILANDAK, SEMARANG BARAT Sedimentation Rate of Silandak River, West Semarang Dominig, Amryta; Muskananfola, Max Rudolf; A’in, Churun
Management of Aquatic Resources Journal (MAQUARES) Vol 8, No 3 (2019): MAQUARES
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (579.81 KB) | DOI: 10.14710/marj.v8i3.24246

Abstract

 ABSTRAK Sungai Silandak merupakan salah satu sungai yang bermuara di Perairan Teluk Semarang bagian tengah berada di kawasan industri, memiliki fungsi sebagai sistem drainase Kota Semarang. Tujuan dari penelitian ini adalah untuk mengetahui laju sedimentasi, hubungan laju sedimentasi dengan kecepatan arus dan mengetahui komposisi sedimentasi melalui hasil analisis fraksi sedimen di perairan Sungai Banjir Kanal Barat dan Silandak. Penelitian ini dilaksanakan pada tanggal 17 Oktober – 1 November 2018 di Sungai Silandak. Metode yang digunakan dalam penelitian ini menggunakan metode kuantitatif. Pengambilan sampel menggunakan metode purposive sampling, dilakukan 2 (dua) kali pengambilan sampel dengan selang 14 hari. Data yang dianalisis adalah debit sungai, Total Suspended Solid (TSS), laju sedimentasi, dan fraksi sedimen. Laju sedimentasi Sungai Silandak 0,08-55,81 ton/hari dan fraksi sedimen di dominasi pasir dan liat. Hasil Penelitian dari hulu menuju hilir menunjukkan sedimentasi semakin meningkat dan fraksi butir sedimen halus juga semakin meningkat. ABSTRACT Silandak river is one of the rivers in the industrial area that flow into central of Semaran, it has a function as the drainage system of Semarang city. The purpose of the study was to determine the sedimentation rate and composition, relationship between the sedimentation rate and current velocity and sediment composition based on analysis of sediment fraction. The study was conducted from 17 October-1 November 2018 at the Silandak River. The method using quantitative methods. Sampling using a purposive sampling with two replicate and sampling interval of 14 days. The analyzed data were the total river discharge, Total Suspended Solid (TSS), sedimentation rate and fractions. Silandak river sedimentation rate from 0.08-55.81 tons/day and the dominant fraction of the sediment are sand and clay. Results showed that sedimentation rate and clay increased from the upstream to downstream.
POLLUTION INDEX AND SEDIMENTATION RATE BASED ON LAND USE AT BANJIR KANAL BARAT AND SILANDAK RIVERS, SEMARANG Ain, Churun; Rudiyanti, Siti; Dominig, Amryta; Adriani, Arina; Asih, Dilia Puspita
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 16, No 3 (2020): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.16.3.%p

Abstract

Land use around the river, can affect the condition water quality of waters. The purpose of this study are to determine the pollution index and the rate of river sedimentation, and land use around the Banjir Kanal Barat and Silandak River. The method for sampling was purposive sampling. Sampling was carried out in the Banjir Kanal Barat and Silandak River, each of which had 5 points and 2 repetitions (P1 and P2). The variables analyzed were TSS, BOD, COD, total coliform where analyzed with Indonesian Standard National (SNI); DO, pH, temperature, discharge of water analyzed with Water Quality Checker (WQC), Buchanan method used to analyzed sedimentation rate, and sediment fraction. The results of the study, showed that IP in the Banjir Kanal Barat River obtained an IP value of 4.13 (lightly polluted), while the Silandak River obtained an IP value of 4.69 (lightly polluted). The highest sedimentation rate in the Banjir Kanal Barat River with a value of 35.64 tons / day, while the Silandak River has the highest value of 55.81 tons / day. Sediment fraction in Banjir Kanal Barat River is dominated by clay, and Silandak River it is dominated by clay. Land cover in Banjir Kanal Barat river are 3% industry, 85% settlement, 0% water and 12% vegetation, and Silandak River are 7% industry, 69% settlement, 5% water and 7% vegetation.
Co-Authors A’in, Churun Adriani, Arina Asih, Dilia Puspita Churun Ain Max Rudolf Muskananfola Siti Rudiyanti