ANALISIS DEBIT DI DAERAH ALIRAN SUNGAI BATANGHARI PROPINSI JAMBI
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Abstract
4,537,881 Ha, yang terbagi menjadi 6 (enam) Sub DAS yaitu: Batanghari Hulu; Batang
Tebo; Batang Tabir; Batang Sumai; Batang Merangin-Tembesi dan Batanghari Hilir dimana secara keseluruhan mempunyai potensi sumberdaya air yang cukup tinggi.
Dalam analisis debit ini menggunakan dua pendekatan yaitu : analisis debit rerata bulanan dan analisis kurva duration debit (discharge duration curve). Hasil analisis kurva duration debit untuk estimasi debit andalan (probability 80%) di beberapa Sub DAS adalah sebagai berikut: Batang Tebo sebesar 60 m3/det; Batang Tabir sebesar 27 m3/det; Merangin Tembesi sebesar 53 m3/det dan Batanghari Hilir-Muara Tembesi sebesar 1000m3/det.
Availability of discharge (stream flow) data at any region or catchment area were very
important for development and planning of water resources program. Batanghari catchment area which consist of 6 sub catchment area i.e. Batanghari Hulu, Batang
Tebo, Batang Tabir, Batang Sumai, Batang Merangin Tembesi and Batanghari Hilir and
total cathment area was 4.537.881 Ha. Discharge analysis within Batanghari catchment
area was conducted consist two of part analysis i.e. monthly average discharge and duration curve of discharge. Result of duration curve analysis for mainstay discharge
(80% probability) for several sub catchment area i.e. Batang Tebo: 60 m3/sec.; Batang
Tabir: 27 m3/sec.; Merangin Tembesi: 53 m3/sec. and Batanghari Hilir-Muara Tembesi:
1000 m3/sec.
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