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Image of OPTIMASI HYDROGRAF SATUAN SINTETIS GAMA 1,SCS, DAN NAKAYASU TERHADAP HYDROGRAF TERUKUR SUNGAI SEKANAK DI KOTA PALEMBANG SUMATERA SELATAN

Skripsi

OPTIMASI HYDROGRAF SATUAN SINTETIS GAMA 1,SCS, DAN NAKAYASU TERHADAP HYDROGRAF TERUKUR SUNGAI SEKANAK DI KOTA PALEMBANG SUMATERA SELATAN

Nuriza, Muhammad Ade Ichsan - Personal Name;

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The Sekanak watershed with an area of 11.50 km² and a main river length of 5.92 km is generally a residential area, industry and shrubs. The cause of flooding in the Sekanak watershed due to land conversion of green open space into residential areas will affect the ability of water infiltration by the soil, and water quality along the watershed. This study aims to describe the optimization of Gama 1, SCS, and Nakayasu Synthetic Unit Hydrographs on the Measured Hydrograph of Sekanak River in Palembang City, South Sumatra. The results of the analysis of synthetic unit hydrographs against the measured unit hydrograph in the Sekanak watershed can be concluded that the acquisition of peak discharge value (Qp) and peak time (Tp) which is closest to the Measured Unit Hydrograph is HSS Nakayasu. HSS Gama I analysis results have a peak discharge (Qp) of 1.09 m³/det, with time to peak (Tp) for 2.02 hours. HSS SCS has a peak discharge (Qp) of = 0.98 m³/det, with time to peak (Tp) for 2.22 hours and HSS Nakayasu has a peak discharge (Qp) of 1.77 m³/det, with time to peak (Tp) for 1.17 hours. The peak discharge value (Qp) and peak time (Tp) which is closest to the Measured Unit Hydrograph is HSS Nakayasu. After calibration with the help of a solver, the optimization coefficient for Gama I is obtained, the average peak time is 0.33 hours and the peak discharge is 1.33 m³/det, the SCS average peak time is 0.30 hours and the peak discharge is 1.26 m³/det and Nakayasu average peak time is 0.57 hours and the peak discharge is 0.70 m³/det., DAS Sekanak dengan luas 11,50 km² dan panjang sungai utama 5,92 km pada umumnya merupakan daerah pemukiman, perindustrian dan Semak. Penyebab terjadinya banjir di DAS Sekanak karena alih fungsi lahan ruang terbuka hijau menjadi kawasan permukiman akan mempengaruhi kemampuan resapan air oleh tanah dan kualitas air di sepanjang Daerah Aliran Sungai (DAS). Penelitian ini bertujuan untuk mengambarkan optimasi Hidrograf Satuan Sintetis Gama 1, SCS, dan Nakayasu terhadap Hidrograf Terukur Sungai Sekanak di Kota Palembang Sumatera Selatan. Hasil analisis hidrograf satuan sintetik terhadap hidrograf satuan terukur di DAS Sekanak maka dapat disimpulkan bahwa perolehan nilai debit puncak (Qp) dan waktu puncak (Tp) yang paling mendekati Hidrograf Satuan Terukur adalah HSS Nakayasu. Hasil analisis HSS Gama I mempunyai debit puncak (Qp) sebesar 1,09 m³/det, dengan waktu menuju puncak (Tp) selama 2,02 Jam. HSS SCS mempunyai debit puncak (Qp) sebesar = 0,98 m³/det, dengan waktu menuju puncak (Tp) selama 2,22 Jam dan HSS Nakayasu mempunyai debit puncak (Qp) sebesar 1,77 m³/det, dengan waktu menuju puncak (Tp) selama 1,17 Jam. Nilai debit puncak (Qp) dan waktu puncak (Tp) yang paling mendekati Hidrograf Satuan Terukur adalah HSS Nakayasu. Setelah dilakukan kalibrasi dengan bantuan solver didapatkan koefisien optimasi untuk Gama I rata-rata waktu puncaknya sebesar 0,33 Jam dan debit puncaknya sebesar 1,33 m³/det, SCS rata-rata waktu puncaknya sebesar 0,30 Jam dan debit puncaknya sebesar 1,26 m³/det dan Nakayasu rata-rata waktu puncaknya sebesar 0,57 Jam dan debit puncaknya sebesar 0,70 m³/det.


Availability
Inventory Code Barcode Call Number Location Status
2507000242T164602T1646022025Central Library (REFERENCES)Available but not for loan - Not for Loan
Detail Information
Series Title
-
Call Number
T1646022025
Publisher
Indralaya : Prodi Teknik Sipil, Fakultas Teknik Universitas Sriwijaya., 2025
Collation
xii, 107 hlm., ilus., tab.; 29 cm
Language
Indonesia
ISBN/ISSN
-
Classification
627.120 7
Content Type
-
Media Type
-
Carrier Type
-
Edition
-
Subject(s)
hidrograf
Prodi Teknik Sipil
Specific Detail Info
-
Statement of Responsibility
TUTI
Other version/related

No other version available

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  • OPTIMASI HYDROGRAF SATUAN SINTETIS GAMA 1,SCS, DAN NAKAYASU TERHADAP HYDROGRAF TERUKUR SUNGAI SEKANAK DI KOTA PALEMBANG SUMATERA SELATAN
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