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All Journal Media Ilmiah Teknik Sipil Rengganis Jurnal Pengabdian Masyarakat JP-Publik
Muhammad Khalis Ilmi
Universitas Muhammadiyah Mataram
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Mathematics Social Sciences

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Journal : Media Ilmiah Teknik Sipil

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Penentuan Debit Lingkungan Di DAS Dodokan Berdasarkan Metode Tennant Dan Flow Duration Curve (FDC): Determination Of Environmental Flow In Dodokan Watershed Based On Tennant And Flow Duration Curve (FDC) Method Muhammad Khalis Ilmi
Media Ilmiah Teknik Sipil Vol. 10 No. 2 (2022): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v10i2.3542

Abstract

The Dodokan Watershed (DAS) is a watershed that is included in one of the national priority watersheds, so it is necessary to monitor and evaluate the watershed management on a regular basis. One very important aspect in monitoring and evaluating watershed management is the determination of the amount of environmental discharge. Environmental discharge in Indonesia is known as river maintenance flow which is intended in the context of river management to maintain river ecosystems. The amount of river maintenance flow in Indonesia is regulated in PP No. 38 of 2011 concerning rivers, namely Q95% mainstay discharge. The purpose of this study was to determine the amount of environmental discharge in the Dodokan watershed as one of the river management efforts in the future. The method used is the hydrological method, namely the Tennant method and flow duration curve (FDC). The Tennant method recommends that the minimum flow is set relative to the annual average flow and in the FDC method the daily discharge data is processed into a certain percentage as the probability value of the event using Weibull theory. The results showed that the environmental discharge interval using the Tennant and FDC methods was 0.01–0.2 m3/s, from this interval it can be seen that the flow characteristics in the Dodokan watershed have a very small minimum quantity. This situation illustrates that the carrying capacity of the Dodokan watershed is in a declining condition so it is necessary to carry out proper watershed management in accordance with existing conditions
Analisis Debit Banjir Rancangan Dan Kapasitas Tampang Sungai Di Sekitar Kawasan Sempadan Sungai Sokong Kabupaten Lombok Utara: Analysis Of Design Flood Discharge And River Case Capacity Around The Sokong River Border Area, North Lombok Regency Ari Ramadhan Hidayat; Agustini Ernawati; Muhammad Khalis Ilmi
Media Ilmiah Teknik Sipil Vol. 11 No. 2 (2023): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v11i2.4587

Abstract

In line with the North Lombok Regency (KLU) government program to prioritize handling and structuring residential areas and disaster-prone areas in the Pemenang-Tanjung sub-district in 2022, it is necessary to carry out several technical studies to support the program. One of the technical studies that can be carried out is an analysis of the design flood and river capacity around the Sokong River section in Tanjung Village, which is a location that is classified as densely populated, with slums and residential areas close to the river border. This study aimed to determine the magnitude of the design flood discharge and the cross-sectional capacity of the Sokong river section. The method used in this study is a hydrological analysis using the Nakayasu Synthetic Unit Hydrograph method to determine the amount of design flood discharge for the 25-year return period (Q25th) and analysis of river cross-sectional capacity using Hec-RAS 4.1.0 software. The results of the analysis show that the Q25th that occurs along the Sokong River section is 131.32 m3/s and the simulation results use Hec-RAS 4.1.0 software. shows that the capacity of the Sokong River segment cannot accommodate the Q25th. Therefore, it is necessary to plan the arrangement of residential buildings around the border area of ​​the Sokong River by raising the elevation of the building to be free from flood inundation.
Co-Authors -, Ibrahim - -, Mintasrihardi - Abdul Wahab Agus Herianto Agus Kurniawan Agustini Ernawati Akhmad Syafruddin Anwar Efendy Ari Ramadhan Hidayat Azizah, Asma Burhanuddin Burhanuddin Chairil Anhar Febrita Susanti Feri Irawan Hafiz Hamdani Ilham Ilham Intan Novianti M. Sidik M. Sobry Mahsup Mahsup Mardiyah Hayati Mas'ad Mas'ad Muhammad Islamy Rusyda Muhammad Salahuddin Muhammad Saleh Muslimin Muslimin Nura Safitri Rajabi Mubarak Rukayah Rukayah Sintayana Muhardini Siti Hasanah Suwahip Suwahip Syaharuddin Syaharuddin Syaifuddin Iskandar Syarifuddin Syarifuddin Titik Wahyungingsih Titik Wahyuningsih Ubaidillah, Aji Syailendra Vera Mendalina