Penulis / NIM

SERLY NOVITA TAGULIHI / 511407076

Program Studi

S1 - TEKNIK SIPIL

Pembimbing 1 / NIDN

Ir. H. BARRY YUSUF LABDUL, M.T. / 0023096502

Pembimbing 2 / NIDN

ARYATI ALITU, S.T., M.T. / 0007046907

Abstrak

ABSTRACT Bolango River is one of main rivers in Gorontalo. The river is located in a watershed Bolango, which has several sub watershed. Besides, it has more complete hydrological data compared to that of other watersheds. so do research on irregularities NRECA models. The purpose of this research is to calibrate against some of the parameters used in the model NRECA. The study uses a model NRECA to calculate monthly debit in the watershed Bolango. NRECA models using three parameters that represent the hydrological behavior in watershed, so as to achieve the simulation results are good, then the calibration process is required to use the software Microsoft Excel-Solver. This calibration goal is to get the simulation results are similar to the observed data. Model research results that transfer my NRECA rain diversify into watershed streams Bolango, generating monthly discharge ranged between 0.16 m/s up to 24.01 m/s, with the value of the correlation coefficient (R) of 0.738 and the value of VE 10.09% in the calibration, while in verification of the value of the correlation coefficient (R) of 0.725 and VE at 18:59%, where it indicates that an error that allows the volume is

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Abstrak

Bab I : Pendahuluan

Bab V : Kesimpulan, Saran dan Daftar Pustaka