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Journal : International Journal of Contemporary Sciences (IJCS)

Designed Rain Analysis of Various Times Using the Gumbel Method in The Babak River Flow Area, West Lombok District Yamin, Muhamad; Zamah Sari
International Journal of Contemporary Sciences (IJCS) Vol. 1 No. 8 (2024): June 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijcs.v1i8.9730

Abstract

The Babak River is located in Bagu Village which is part of the Administrative Region of Pringgarata District, Central Lombok Regency, which is one of the areas where river flooding and drainage systems frequently occur. In analyzing the planned flood discharge of the Babak river by evaluating several parameters including daily maximum rainfall, planned rainfall, effective rainfall, planned flood unit hydrograph. The purpose of the planned flood discharge analysis is to evaluate the magnitude of the planned flood discharge at various return periods. Based on the background, the problem formulation in this research is to find out the magnitude of the base flow in the river basin and the magnitude of the planned flood discharge at various return periods of T years. After analyzing the rainfall data obtained at the BMKG (Meteorology and Geophysics Agency) West Lombok Regency office, the rainfall plan for various return periods using the Gumbel method is as follows: 2 years = 444,687; 5 years = 477,295; 10 years = 498.909 mm; 20 years = 519.342 mm; 25 years = 526.192 mm; 50 years = 546.424 mm; 100 years = 566.542 mm. Based on the Babak Watershed Characteristics data and data analysis, it was obtained that the base flow discharge in the Babak Weir River Gebong River area, Central Lombok Regency was = 5,289 m3/sec
Co-Authors Abdul Munir Mulkhan Abdul Munir Mulkhan Achmad Irfani Nur Iman Ade Nurhidayat Nasution Adelya Daniyah Adhigana Priyatama Agung Wahyu Purnadi Agus Eko Agus Eko Minarno Ahmad Miftakh Akbi, Denar Regata Akhmad Yusuf F Akmal Muhammad Naim Aldyth Sugiharto Wijaya Ali Sofyan Kholimi Amellia Amanullah Sugiharto Aminudin Aminudin Andi Shafira Dyah Kurniasari Anggreani Tyas Sari Annisa Fitria Nurjannah Asty Try Yuliandari Aulia Ligar Salma Hanani Basuki, Setio Bayu Adhitia Wardana Bayu Yudha Purnomo Bella Chintia Merita Chandranegara, Didih Rizki Damayanti, Elok Dedi Purniawan Denar Regata Akbi Diah Ayu Fitriani Diah Risqiwati Didih Rizki Chandranegara Diyah Luthfi Anjani Faiq Azmi Nurfaizi Fakhrul Nasrulloh Faldo Fajri Afrinanto Fatimah Nursandi Febyola Noeraini Fengki Faradila Fitriani, Diah Ayu Gilang Permana Gita Indah Marthasari Gratiyo Wahyu Wahidin Hanafi Prasetyoko Hanum Shirotu Nida Hardianto Wibowo Heni Pujiastuti Hi Jamal, Agus Ilham Rahmana Syihad inung bagus prasetyo Jafar Shodiq Djawas Jalu Nusantoro L. Yasril Imam Lalu Rahmat Hidayat Lucky Nurfiqin Luqman Hakim Machammad Iqbal Putra Wardhana Mahar Faiqurahman Martin Fatnuriyah Masduqi, Mohammad Khairul Maskur Maskur Maskur Maskur Maskur, Maskur Melly Damara Chaniago Miftah Faisal Hamdani Miftakh, Ahmad Miftakhudin Kusuma Wijaya Moechammad Sarosa Moh. Badris Sholeh Rahmatullah Mohammad Khairul Masduqi Muchammad Zaidan Muchsin Bin jafar Al Hamid Muhamad Yamin Muhammad Aji Purnama Wibowo Muhammad Alfiannur Muhammad Bima Al Fayyadl Muhammad Iqbal Naufal Ilmi Muhammad Junus Ningsih Djamsi Norhabibah, Siti Nuryasin, Ilyas Puspita, Yeni Cania Qhistina Dyah Khatulistiwa Rahayu Nurul Khasanah Rahayu Puji Lestari Rahmat Renda Arya Santana Rendy Bramesta Kusumadewa Rino Nugroho Rohsih Hana Sundari Rustandi, Adi S, Vinna Rahmayanti S.B.P. Handhajani Sabrina Nurul Ubay Santana, Renda Arya Sari, Anggreani Tyas Setiawan Siti Norhabibah Sofyan Arifianto Suhari, Suhari Sumadi, Fauzi Dwi Setiawan Suratiningsih, Meity syaifuddin syaifuddin Syaifuddin Syaifuddin Syaifuddin Syaifuddin Toto Tohari Ubay, Sabrina Nurul Wahyu Andhyka Kusuma Wahyu Priyo Wicaksono Wana Salam Labibah Wicaksono, Galih Wasis Wildan Suharso Wildan Suharso Wisnu Bayu Ahadin Wisnu Gilang Pamungkas Wiyono, Briansyah Setio Yoga Pamungkas Yufis Azhar Yufiz Azhar Yundari, Yundari