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All Journal Journal of Engineering and Technological Sciences Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Teknik Sipil Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Teknik Sipil Cendekia (JTSC) Cerdika: Jurnal Ilmiah Indonesia
Ana Nurganah Chaidar
Program Studi Magister Pengelolaan Sumber Daya Air, Fakultas Teknik Sipil Dan Lingkungan, Institut Teknologi Bandung
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Health Professions Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Effect of Jetty to the Capacity of Bogowonto River Mouth, Kulon Progo Daerah Istimewa Yogyakarta Muhammad Dandy Kusuma; Mohammad Bagus Adityawan; Ana Nurganah Chaidar
Jurnal Teknik Sipil Vol 30 No 1 (2023): Jurnal Teknik Sipil
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jts.2023.30.1.3

Abstract

Abstract. Bogowonto River is the main river in the Bogowonto watershed which is included in the Serayu Bogowonto River Area. In the dry season, the mouth of the Bogowonto river closes because sediment deposits accumulate at the river mouth, disrupting the river flow to the sea. At high tide, sediment holds the Bogowonto River flow because it impacts the backwater downstream of the Bogowonto river, causing flooding in several locations, especially around Yogyakarta International Airport. The flow capacity of the Bogowonto river is decreasing, causing flooding problems, so this study needs to do an analysis. Backwater analysis at the Bogowonto River estuary simulates the existing jetty in the HEC-RAS program. In contrast, simulated morphology change river was with two jetty scenarios using the DELFT3D program. Keywords: Sediment, flooding, backwater, estuary, jetty. Abstrak. Sungai Bogowonto merupakan sungai utama di DAS Bogowonto yang termasuk dalam Wilayah Sungai Serayu Bogowonto. Pada musim kemarau muara sungai Bogowonto menutup karena endapan sedimen menumpuk di muara sungai sehingga mengganggu aliran sungai ke laut. Pada saat pasang, sedimen menahan aliran Sungai Bogowonto karena berdampak pada bagian hilir sungai Bogowonto sehingga menyebabkan banjir di beberapa lokasi terutama di sekitar Bandara Internasional Yogyakarta. Kapasitas aliran sungai Bogowonto yang semakin berkurang sehingga menimbulkan permasalahan banjir, sehingga penelitian ini perlu dilakukan suatu analisis. Analisis backwater di muara Sungai Bogowonto mensimulasikan jetty eksisting dalam program HEC-RAS. Sebaliknya, simulasi perubahan morfologi sungai dengan dua skenario jetty menggunakan program DELFT3D. Kata-kata Kunci: Sedimen, banjir, backwater, muara, jetty.
Evaluation of Drainage System of Light Rapid Transport (LRT) Depo – Kelapa Gading – Jakarta City Joko Nugroho; Mohammad Bagus Adityawan; Ana Nurganah Chaidar; Yadi Suryadi
Journal of Engineering and Technological Sciences Vol. 55 No. 5 (2023)
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2023.55.5.9

Abstract

LRT Depo is a vital infrastructure in the operation of Jakarta’s LRT system. The LRT Depo is located in the Kelapa Gading area. Kelapa Gading is an inundation-prone area in Jakarta. Hence a drainage system should be prepared to manage surface runoff in the area to avoid additional runoff to the surrounding drainage system. In order to reduce runoff in Jakarta Special Province, the Governor of Jakarta has imposed a regulation on surface runoff management for every developed area. The runoff control measures, promoted in the regulation to be applied, are in the form of infiltration wells and storage ponds. The principle of reducing peak discharge by a possible storage system for LRT Depo was designed and applied to comply with regional regulations on rainwater control. The drainage system, initially based on the regulations, was also modeled in the Storm Water Management Modelling software (SWMM). This study evaluated the drainage system by elaborating the reduction of the peak discharge based on the simulation. A reduction of peak discharge was observed in the modeling results. The proposed runoff control at LRT Depo Kelapa Gading is a proper design of infrastructure development for a flood prone area.
Kajian Risiko Banjir Sungai Biyonga di Kabupaten Gorontalo Mutia, Mutia; Nurganah Chaidar, Ana; Putri Pratiwi, Anne; Kresnaufal, Arvin
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 5 No 2 (2024): July
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v5i2.231

Abstract

Bencana alam yang sering terjadi di Indonesia adalah Banjir. Hampir seluruh wilayah di Provinsi Gorontalo pasti mengalami kejadian banjir setiap tahunnya, salah satunya yaitu Kabupaten Gorontalo, tepatnya di Kecamatan Limboto, yang dilewati oleh Sungai Biyonga. Kecamatan Limboto adalah pusat kota Kabupaten Gorontalo, dimana Banjir sering terjadi di Kabupaten Gorontalo telah menyebabkan kerusakan pada pemukiman penduduk, gedung perkantoran, pertanian dan fasilitas umum lainnya di daerah tersebut serta mengganggu lalu lintas. Oleh sebab itu perlu dilakukan kajian risiko banjir untuk mendapatkan potensi kerugian yang ditimbulkan akibat bencana banjir pada suatu kawasan dan kurun waktu tertentu, dalam kajian ini penulis menggunakan Perka BNPB No.2 Tahun 2012 sebagai pedoman penentuan indeks dan Tingkat Risiko Banjir. Indeks Ancaman diperoleh dari hasil pemodelan 2D HEC-RAS berupa peta luas genangan dan kedalaman banjir. Banjir kala ulang 25 tahun di Sungai Biyonga adalah 129.16 m3/s menghasilkan luasan banjir 136.12 ha di 4 kelurahan yaitu Hepuhulawa, Hunggaluwa, Kayu Bulan, dan Kayu Merah. Hasil skoring indeks kerugian dan kapasitas diperoleh bahwa kelurahan Hunggaluwa memiliki tingkat ancaman banjir yang tertinggi dibanding tiga (3) kelurahan lainnya. Berdasarkan penilaian tingkat ancaman, kerugian dan ketahanan, tingkat risiko banjir tertinggi berada di Keluarahan Hunggaluwa dengan tingkat risiko tinggi. Adapun upaya untuk mengatasi risiko banjir dengan menurunkan tingkat ancaman dapat berupa pengendalian banjir secara struktural (tanggul, kolan retensi, dll) maupun pengaturan kebijakan terkait penggunaan lahan di lereng miring pada hulu sungai biyonga sangat direkomendasikan.
RAPID IDENTIFICATION OF CLIMATE CHANGE IMPACTS ON THE WEST TARUM CHANNEL Dahlia, Lia; Suryadi, Yadi; Nugroho, Eka; Chaidar, Ana Nurganah; Hatmoko, Waluyo
Jurnal Review Pendidikan dan Pengajaran Vol. 7 No. 4 (2024): Vol. 7 No. 4 Tahun 2024
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jrpp.v7i4.32997

Abstract

There is no doubt that El Niño and La Niña phenomena, which are characterized by sea surface temperature (SST) anomalies in the equatorial Pacific Ocean, have significant impacts on global and regional climate. The Oceanic Niño Index (ONI), obtained from NOAA satellite imagery, is used to measure these SST anomalies. El Niño is characterized by an increase in sea surface temperature of more than 0.5°C above normal, while La Niña is characterized by a decrease in sea surface temperature of more than 0.5°C below normal. The strength of the anomaly determines whether the phenomenon is weak, moderate, strong, or very strong. El Niño and La Niña events cause various hydrometeorological disasters that directly impact rainfall and water availability. The Indonesian Maritime Continent, located between oceans, is particularly vulnerable to the impacts of these two phenomena. El Niño causes drought, while a positive ONI increases the intensity of rainfall. These phenomena have the potential to reduce rainfall, disrupt water supply, and exacerbate droughts by changing global weather patterns. This study will identify the impacts of El Niño events on rainfall and water availability in the West Tarum Canal, which covers Karawang, Bekasi, and parts of Jakarta. By understanding these impacts, we can develop effective adaptation strategies. A literature review will provide a comprehensive picture of rainfall and water availability in the era of climate change by analyzing data from previous studies.
Analisis Laju Sedimentasi Sungai Benenain dan Pengaruhnya Terhadap Kondisi Banjir pada Ruas Hilir Sungai Benenain Provinsi Nusa Tenggara Timur Marianus Andre Neka; Ana Nurganah Chaidar
Cerdika: Jurnal Ilmiah Indonesia Vol. 6 No. 5 (2026): Cerdika: Jurnal Ilmiah Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/cerdika.v6i5.3486

Abstract

Sungai Benenain merupakan salah satu sungai utama di Provinsi Nusa Tenggara Timur yang memiliki potensi sedimentasi tinggi akibat kondisi topografi daerah aliran sungai yang bervariasi antara wilayah hulu dan hilir. Proses sedimentasi pada ruas hilir menyebabkan pendangkalan dasar sungai, perubahan morfologi alur, serta penurunan kapasitas tampung sungai yang berdampak terhadap peningkatan potensi banjir. Penelitian ini bertujuan untuk menganalisis laju angkutan sedimen, perubahan morfologi sungai, serta pengaruhnya terhadap kondisi banjir pada ruas hilir Sungai Benenain selama periode 2019–2023. Metode penelitian menggunakan pendekatan kuantitatif melalui analisis hidraulik, analisis angkutan sedimen, serta pemodelan hidrodinamika satu dimensi dan dua dimensi menggunakan perangkat lunak HEC-RAS. Data penelitian meliputi data debit, tinggi muka air, sedimen dasar, sedimen layang, dan Digital Elevation Model (DEM). Hasil penelitian menunjukkan bahwa peningkatan debit aliran menyebabkan tegangan geser dasar melampaui tegangan geser kritis sehingga meningkatkan laju transport sedimen. Distribusi kecepatan dan shear stress pada tikungan sungai tidak merata, yang menyebabkan erosi pada sisi luar tikungan dan deposisi pada sisi dalam tikungan. Perubahan morfologi sungai berupa agradasi dan degradasi dasar sungai mengakibatkan penurunan kapasitas aliran pada ruas hilir sehingga meningkatkan risiko banjir. Penanganan berupa kombinasi bangunan krib dan riprap dinilai efektif dalam mengurangi erosi dan meningkatkan kestabilan morfologi sungai.
Pengembangan Sistem Penyediaan Air Bersih Pedesaan di Desa Wai U, Kecamatan Mangoli Tengah, Kabupaten Kepulauan Sula, Provinsi Maluku Utara Arno Adi Kuntoro; Resanti Audrienne; Rofidzias Siswo Wicaksono; Almira Abdul Kholik; Vicky Candra Purnama; Fahrul Kedafota; Widodo Widodo; Salsa Alfadhila Permana; Mohammad Farid; M. Bagus Adityawan; Widyaningtias Widyaningtias; Ana Nurganah Chaidar
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. 1 (2025): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.11.1.133-144

Abstract

Wai U Village has a problem with the limited capacity of the village's clean water supply system. This community service activity aims to retrofit the existing clean water supply system, which previously experienced technical problems, and to increase the capacity of the existing system. The implementation method consists of pre-site visit interviews, field surveys, geoelectric surveys to determine aquifer potential, and water quality laboratory tests for drinking water standards. The results of the geoelectric data analysis show that the potential aquifer was located at 30m below the surface. The water quality test results show that the groundwater quality generally meets the class-1 water quality standards for drinking water. Field survey activities were followed by the construction of groundwater wells, water towers, water reservoirs, pumps, and a series of pipes connecting the new water sources to the existing pipe distribution network of Wai U Village. The final result of this activity was the improvement of the clean water supply capacity in Wai U Village, which was able to connect houses that previously depended on water sources from dug wells. There are 69 houses in the Wai U Village. Before experiencing technical problems, the existing water supply system (Pamsimas) in Wai U Village was connected to 38 houses (55%). The construction of new water supply infrastructure was connected to the remaining 31 houses (45%); thus, this activity has succeeded in increasing clean water network connections by almost 100% in Wai U Village. However, several house connections require rehabilitation. This activity is expected to be one of the real contributions of universities to achieving water, food, and energy security in Wai U Village, which is categorized as a 3T region.
Co-Authors Adityawan, Mohammad Bagus Almira Abdul Kholik Arno Adi Kuntoro Fahrul Kedafota Joko Nugroho Kresnaufal, Arvin Lia Dahlia, Lia M. Bagus Adityawan Marianus Andre Neka Mohammad Bagus Adityawan Mohammad Farid Muhammad Dandy Kusuma Mutia Mutia, Mutia Nugroho, Eka Putri Pratiwi, Anne Resanti Audrienne Rofidzias Siswo Wicaksono Salsa Alfadhila Permana Suryadi, Yadi Vicky Candra Purnama Waluyo Hatmoko, Waluyo Widodo, Widodo Widyaningtias Widyaningtias Yadi Suryadi