Sa’idah, Nazilatus (2025) Analisis Penggunaan Prediksi Curah Hujan sebagai Estimasi Debit Air pada Waduk Lowayu Kabupaten Gresik. (Analysis of the Use of Rainfall Prediction as an Estimate of Water Discharge in the Lowayu Reservoir, Gresik Regency). Masters thesis, Universitas 17 Agustus 1945 Surabaya.
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Abstract
The increasingly rapid development of technology has given rise to new methods in science. Among the sciences, data prediction is a science that is often used to understand event data that will appear in the future, one of which is debit data forecasting. Water data that fills a reservoir can also be predicted by knowing past rainfall data that occurred in that area. This research aims to study the water content of the Lowayu Reservoir using the method of predicting past rainfall data to determine the rainfall that will occur in 2026. The results of the predicted rainfall data are then transformed into water discharge that will fill the reservoir, and then used to meet water needs for agriculture. The prediction method used is the Holt-Winters exponential smoothing multiplicative model method. The research results show that the highest rainfall was obtained in December-January 2024-2026 amounting to 220 mm-224 mm which resulted in a maximum water volume in the reservoir of 213,400,000 liters -217,280,000 liters/month during 2024-2026. Based on data on the reservoir's water content, intake gate 1 has an opening height of 0.37 m for 115 days for 1 harvest season on an agricultural land area of 231.5 ha. Meanwhile, intake door 2 has an opening height of 1.2 m for 1 harvest season on an area of 1137.5 ha.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | Rainfall Prediction, Water Demand, Discharge, Intake Door |
| Divisions: | Fakultas Teknik > magister teknik sipil |
| Depositing User: | MTS Magister Teknik Sipil 2025 |
| Date Deposited: | 06 Mar 2001 17:38 |
| Last Modified: | 27 Dec 2001 16:54 |
| URI: | http://repository.untag-sby.ac.id/id/eprint/37653 |
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