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All Journal Jurnal Riset Rekayasa Sipil
Rintis Hadiani
Prodi Teknik Sipil, Universitas Sebelas Maret, Jl. Ir. Sutami 36 A Surakarta
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science

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VALIDASI DATA HUJAN SATELIT TERHADAP DATA GROUND UNTUK ESTIMASI DEBIT ANDALAN DI KOTA SURAKARTA Maknun Seno Aji Saputro; Rintis Hadiani; Sholihin As’ad
Jurnal Riset Rekayasa Sipil Vol 8, No 2 (2025): Maret 2025
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jrrs.v8i2.101899

Abstract

Rainfall plays a critical role in the hydrological cycle, affecting various sectors such as water resource management, agriculture, and disaster mitigation. The Global Precipitation Measurement (GPM) satellite is a significant innovation in global rainfall measurement. The availability of GPM satellite data is particularly beneficial for regions with limited ground-based rainfall station data. This study validates rainfall data from the Global Precipitation Measurement (GPM) satellite against ground observation data to calculate dependable flow in Pepe River, Surakarta, using the National Rural Electric Cooperative Association (NRECA) method. The analysis spans data from 2004 to 2024. Validation results show a strong correlation (R = 0,7315) but notable deviations with Root Mean Square Error (RMSE) = 0,415 and NSE = 0,667. Post-calibration (coefficient 0,856), the correlation improves significantly (R = 1, RMSE = 0,016, NSE = 0,758). Dependable flow analysis identifies February as the month with the highest average discharge (1,163 m3/s) and highlights 2017 as the year with a Q80% value of 4,578 m3/s using the Weibull Basic Month method. Comparison of Q80% results with field discharge data, obtained through rating curve conversion, shows that the Q80% value falls within the standard deviation range of field discharge, validating the calculated results. The results of this study are expected to provide insights into the quality of GPM satellite rainfall data for dependable flow estimation.
STRATEGI MITIGASI BANJIR BERDASARKAN KAPASITAS SALURAN DRAINASE DI KELURAHAN JAGALAN Elang Rahma Palawa’ae; Rintis Hadiani; Adi Yusuf Muttaqien
Jurnal Riset Rekayasa Sipil Vol 7, No 2 (2024): Maret 2024
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jrrs.v7i2.85901

Abstract

Flood mitigation is an important step in maintaining the sustainability and safety of urban environments. One key factor that affects the capacity of drainage channels is the flow rate of water through the channels. Therefore, this research aims to assess flood mitigation strategies based on the flow rate in drainage channels using the HSS SCS method. The study was conducted in Jagalan Sub-District, which frequently experiences flooding due to inadequate drainage channel capacity. The HSS SCS method was used to estimate the maximum flow rate that can be accommodated by the drainage channels. Hydrological and topographic data of the study area were collected and analyzed to identify relevant hydrological characteristics and physical parameters.The analysis results showed the planned flood discharge values in Jagalan Sub-District through the Kali Boro Watershed, which were 3.1154 mm3/dt for a 2-year return period, 3.8297 mm3/dt for a 5-year return period, 4.3025 mm3/dt for a 10-year return period, and 4.7501 mm3/dt for a 20-year return period. The existing discharge values were 14.5243 mm3/dt for Surya Road, 19.1823 mm3/dt for Rejosari Road, 8.7376 mm3/dt for Kali Kepunton Road, 66.0338 mm3/dt for Kali Simpang Road, 21.7882 mm3/dt for Bororejo Road, and 42.2077 mm3/dt for Ir. Juanda Road. From these values, it can be concluded that the drainage channels in Jagalan Sub-District have sufficient capacity to accommodate the maximum flow rate during high-intensity rainfall.  
Co-Authors Adi Yusuf Muttaqien Elang Rahma Palawa’ae Maknun Seno Aji Saputro Sholihin As’ad