Penggunaan Data Satelit TRMM terhadap Stasiun Curah Hujan di WS Noelmina

Nomnafa, Forisman R.; Krisnayanti, Denik Sri; Ramang, Ruslan; Udiana, I Made

doi:10.21776/ub.pengairan.2022.013.01.01

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…A higher CN means that the volume of runoff is also higher, with a theoretical limitation of CN = 85 which means it is equal to its runoff volume of 85%. The SCS method obtains the output of the design flood discharge which will be used as input in the next analysis [1], [3], [7], [12], [21], [25], [26].…”

Section: Hydrological Analysismentioning

confidence: 99%

Analysis of Made Lamongan Residential Drainage System Using SWMM (Storm Water Management Model) and HEC-RAS (Hydraulic Engineering Centre-River Analysis System) Models

Febrianto,

Bisri,

Nur Cahya

2023

CIVENSE

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Made Lamongan Residential is located in an area that has a flat slope and is flanked by two rivers Kali Mengkuli and Kali Gorok, the problem in the study area is that the drainage system is unable to serve rainwater runoff. This is evidenced by the occurrence of inundation during the rainy season with high intensity. The height of the inundation that occurs in the Residential complex ± 60 cm with a reduction in inundation of more than 12 hours. The calculation results showed that there were several sections of the channel that occurred runoff with a planned Q5 flood discharge of 8.14 m3/sec. Based on the results of surveys in the field, many channels were found that had changed their dimensions due to the renovation of residents' houses. In this study, 1D channel hydraulic modelling was carried out using SWMM and HEC-RAS software to obtain a model that was close to the surface runoff conditions at the study site. The purpose of this study is to obtain the greatest handling of inundation in Made Residential in reducing the height of the inundation based on the model to be carried out, as well as obtaining the value of model calibration at the study site.

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Section: Hydrological Analysismentioning

confidence: 99%

Analysis of Made Lamongan Residential Drainage System Using SWMM (Storm Water Management Model) and HEC-RAS (Hydraulic Engineering Centre-River Analysis System) Models

Febrianto,

Bisri,

Nur Cahya

2023

CIVENSE

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“…Data debit dan curah hujan merupakan data utama seringkali kurang mencukupi untuk mendukung perencanaan. Keterbatasan data dalam perencanaan bangunan air umum terjadi di suatu Wilayah Sungai (Noviadi, 2022). Dari ketidakcukupan data tersebut mendorong sejumlah ahli untuk mengembangkan model-model hidrologi dengan tujuan untuk memprediksi nilai rangkaian debit disuatu sungai.…”

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Kalibrasi Model NRECA dan Sacramento Diterapkan Pada Daerah Aliran Sungai Cimanuk-Bojongloa Terhadap Debit

Permana,

Yogaswara

2024

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Abstrak Data hidrologi dalam menentukan besaran debit adalah curah hujan dan klimatologi. Salah satu tempat di sungai Cimanuk yang memiliki pos duga air adalah Cimanuk-Bojongloa. Data debit selain dari hasil observasi, juga bisa menggunakan pemodelan. Model yang digunakan pada penelitian ini adalah model NRECA dan model Sacramento. Data curah hujan untuk kalibrasi dengan empat pos, yaitu Pamegatan, Pangauban, Kapakan, dan Bayongbong dari tahun 2017 sampai 2021. Curah hujan rata-rata dihitung dengan metode Thiessen. Kalibrasi model untuk memperoleh parameter kalibrasi terbaik sehingga debit pemodelan akan mendekati debit observasi. Pemodelan debit menggunakan data harian dari tahun 2012 sampai 2021. Hasil kalibrasi pada model NRECA, yaitu PSUB, GWF, dan Wo adalah masing-masing 0,9; 0,2; 600; dan nilai NSE adalah -1,557. Pada model Sacramento hasil kalibrasi adalah UZTW sebesar 25; UZFW sebesar 400; LZTW sebesar 600; LZFS sebesar 20; dan LZFP sebesar 40. Nilai NSE pada model Sacramento adalah 0,471. Kata kunci: kalibrasi, NRECA, NSE, Sacramento Abstract Hydrological data in determining the amount of discharge is rainfall and climatology. One of the places on the Cimanuk river that has a water observation post is Cimanuk-Bojongloa. Discharge data apart from measurement results, can also use modeling. The models used in this research are the NRECA model and the Sacramento model. Rainfall data for calibration with four station namely Pamegatan, Pangauban, Kapakan, and Bayongbong from 2017 to 2021. Average rainfall is calculated using the Thiessen method. Calibrate the model to obtain the best calibration parameters so that the modeled discharge will be close to the observed discharge. Discharge modeling uses daily data from 2012 to 2021. The calibration results for the NRECA model, namely PSUB, GWF, and Wo are 0.9 each; 0.2; 600; and the NSE value is -1.557. In the Sacramento model the calibration results are UZTW 25; UZFW 400; LZTW 600; LZFS 20; and LZFP 40. The NSE value in the Sacramento model is 0.471. Keywords: calibration, NRECA, NSE, Sacramento

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Evaluation of Double Fusion Satellite Rainfall Dataset in Establish Rainfall Thresholds for Landslide Occurrences Over Badung Regency-Bali

Aryastana,

Dewi,

Wahyuni

et al. 2024

Advances in Natural and Technological Hazards Research

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Penggunaan Data Satelit TRMM terhadap Stasiun Curah Hujan di WS Noelmina

Cited by 4 publications

References 3 publications

Analysis of Made Lamongan Residential Drainage System Using SWMM (Storm Water Management Model) and HEC-RAS (Hydraulic Engineering Centre-River Analysis System) Models

Analysis of Made Lamongan Residential Drainage System Using SWMM (Storm Water Management Model) and HEC-RAS (Hydraulic Engineering Centre-River Analysis System) Models

Kalibrasi Model NRECA dan Sacramento Diterapkan Pada Daerah Aliran Sungai Cimanuk-Bojongloa Terhadap Debit

Evaluation of Double Fusion Satellite Rainfall Dataset in Establish Rainfall Thresholds for Landslide Occurrences Over Badung Regency-Bali

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