CD Skripsi
Analisis Hidrologi Model Soil Moisture Accounting Dengan Metode Kalibrasi Root Mean Square Error (Studi Kasus : Das Rokan, Awlr Pasir Pangaraian)
ABSTRACT
One model of the transformation of rain into debit is the Hydrologic Engineering
Center - Hydrologic Modeling System model or abbreviated as HEC-HMS, and
one of the calculation methods is Soil Moisture Accounting. This model simulates
the movement of water through and storing water in vegetation, at ground level,
in soil profile, and in the groundwater layer. The purpose of this study was to
calculate and analyze the resulting value of the Soil Moisture Accounting method
with Root Mean Square Error calibration and for the Rokan Watershed with
AWLR Pasir Pangaraian. This study uses rain data and discharge data with a
data length of 10 years, from 2008-2017. This research took place in the Rokan
AWLR Pasir Pangaraian watershed using the HEC-HMS program. Hydrological
Modeling uses a calibration method which is the Root Mean Square Error
(RMSE) method. Based on the nine calibration decisions, the value of Root Mean
Square is best at approval I with a value of 99.10, while the value verification of
Root Mean Square is best at reporting II with a value of 90.20425.
Keywords: received water, HEC-HMS, Soil Moisture Accounting, RMSE
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