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    Pengaruh Debit dan Kedalaman Aliran Sungai Terhadap Sebaran Bahan Pencemar Air Buangan pada Aliran Sungai Deli

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    Date
    2018
    Author
    Fiori, Natari
    Advisor(s)
    Hafni, Kartini Noor
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    Abstract
    Sungai Deli adalah salah satu sungai utama yang melintasi Kota Medan. Perkembangan industri dan permukiman di sepanjang aliran Sungai Deli telah mempengaruhi kualitas air sungai. Penelitian ini mencoba menggambarkan peranan hidrologi sungai terhadap sebaran pencemar yang memasuki DAS Deli segmen hulu yang berlokasi di Kabupaten Deli Serdang. Sebaran pencemar digambarkan oleh DO dan BOD pada setiap stasiun pengamatan yaitu di titik tengah DAS, kiri tebing dan kanan tebing sepanjang 1.7 Km pada segmen hulu. DAS Deli .Stasiun pengamatan ditentukan 6 (enam) titik berbeda. Debit dan Kedalaman DAS disimulasikan menggunakan perangkat lunak / “software” HEC-RAS. Sebaran pencemaran dari satu titik Sumber / “point source” akan mempengaruhi biota air dan kesehatan lingkungan DAS tersebut. Untuk itu peneliti ingin berkontribusi untuk memberikan gambaran sebaran pencemar yang ada di Sungai Deli. Hasil analisis menunjukkan bahwa kualitas air Sungai Deli tidak memenuhi baku mutu kelas I dan debit yang paling berpengaruh terhadap beban pencemaran Sungai Deli adalah debit pada saat musim kemarau pada bagian hilir dengan nilai BOD 6 mg/L dan nilai DO 3.6 mg/L.
     
    Deli River is one of the main rivers that crosses Medan City. The development of industry and settlements along the River Deli has affected river water quality. This study attempts to describe the role of river hydrology on the distribution of pollutants entering the upstream segment of the Deli watershed located in Deli Serdang Regency. Pollutant distribution was described by DO and BOD at each observation station, namely in the midpoint of the watershed, left of the cliff and right of the cliff along 1.7 km in the upstream segment. Deli watershed. Observation station is determined by 6 (six) different points. Debit and watershed depth are simulated using HEC-RAS software / "software". The distribution of pollution from one point of the source / "point source" will affect the water biota and the environmental health of the watershed. For this reason, researchers want to contribute to give an overview of the distribution of pollutants in the Deli River. The results of the analysis show that River Deli water quality does not meet class I quality standards and the most influential discharge on River Deli pollution load is the discharge during the dry season in the downstream with a BOD value of 6 mg / L and DO value 3.6 mg / L.

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    http://repositori.usu.ac.id/handle/123456789/11657
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    Repositori Institusi Universitas Sumatera Utara - 2025

    Universitas Sumatera Utara

    Perpustakaan

    Resource Guide

    Katalog Perpustakaan

    Journal Elektronik Berlangganan

    Buku Elektronik Berlangganan

    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV