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Muchamad Arif Budiyanto
Universitas Cokroaminoto Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Public Health Social Sciences Transportation Other

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Evaluasi Jaringan Sistem Pipa Gua Pulejajar Menggunakan EPANET 2.2: Solusi Irigasi Berkelanjutan di Kawasan Karst Gunungkidul Muchamad Arif Budiyanto; Ratih Nurmala Saridewi; Afnan Juli Arochma
Jurnal Kridatama Sains dan Teknologi Vol 8 No 01 (2026): Jurnal Kridatama Sains dan Teknologi
Publisher : Universitas Ma'arif Nahdlatul Ulama Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53863/kst.v8i01.2243

Abstract

The karst region of Gunungkidul Regency is characterized by highly permeable limestone formations that cause rainwater to rapidly infiltrate into the ground, resulting in limited surface water availability. Pulejajar Cave, located in Jepitu Village, Girisubo District, Gunungkidul Regency, serves as an important groundwater source utilized to irrigate approximately 200 hectares of agricultural land. This study aims to evaluate the hydraulic performance of the Pulejajar Cave water distribution network and determine the optimal pipe dimensions using EPANET 2.2. The data employed in this study include the existing distribution network map, pipe dimensions and characteristics, elevation data, and irrigation water demand of 1.45 L/s/ha. Hydraulic simulations were conducted to analyze flow rate, velocity, pressure, and network optimization requirements.The results indicate that the total water supply from Pulejajar Cave reaches 2,738.98 L/s, while the total irrigation water demand is 1,031.95 L/s, resulting in a surplus of 1,707.03 L/s or 165.41% above the required demand. Despite this substantial water availability, the evaluation of the existing network revealed several pipe sections that did not satisfy the hydraulic criteria for HDPE pipes. In particular, Pipe Puncung 1 exhibited a flow velocity of 9.03 m/s, significantly exceeding the recommended maximum limit of 3.0 m/s. Through pipe dimension optimization, the diameter of Pipe Puncung 1 was increased from 90 mm to 200 mm, successfully reducing the flow velocity to 1.83 m/s, which complies with the recommended design standards. Further optimization of other critical pipe segments also improved hydraulic performance, enhanced distribution efficiency, and minimized the risk of infrastructure deterioration. Therefore, EPANET 2.2 proved to be an effective tool for evaluating and optimizing water distribution networks, supporting the sustainability of irrigation systems in the karst region of Gunungkidul
Genangan Banjir Sungai Gajahwong Yang Berdampak Terhadap Permukiman Bantaran Sungai di Kelurahan Pandeyan Muchamad Arif Budiyanto; Muhamad Arifin; Muhammad Ryan Iskandar; Muhammad Arif Hidayatullah
Nuansa Akademik: Jurnal Pembangunan Masyarakat Vol. 10 No. 1 (2025)
Publisher : Lembaga Dakwah dan Pembangunan Masyarakat Universitas Cokroaminoto Yogyakarta (LDPM UCY)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47200/jnajpm.v10i1.3075

Abstract

Flood events in Gajah Wong River have caused significant damages such as collapsed riverbanks, damaged neighborhood roads, and forced evacuations. The objective of this study is to visualize the areas along the Gajah Wong River that are affected by flooding during rainfall events, in order to determine the extent of inundated areas under specific return period discharges. This research aims to produce a flood inundation prediction map for the Gajah Wong River as a basis for flood mitigation efforts. The study uses primary data obtained through GNSS surveys, aerial photography, and river depth sampling. Secondary data used include return period discharges for Q2, Q10, and Q25. To calculate the inundated area, the researchers applied photogrammetry methods to generate orthophoto and DEM data, which were then simulated using HEC-RAS software to determine the flood inundation extent. The results of the study show that the flood-affected areas along the Gajah Wong River have inundation extents of 3.208 hectares for Q2, 3.942 hectares for Q10, and 4.601 hectares for Q25.
Peningkatan Ketahanan Kawasan Makam Raja-Raja Imogiri Terhadap Ancaman Hidrometeorologi Melalui Rencana Pengelolaan Drainase Muchamad Arif Budiyanto; Ratih Nurmala Saridewi; Hendra Sufarjo
Jurnal Masyarakat Madani Indonesia Vol. 5 No. 2 (2026): Mei
Publisher : Alesha Media Digital

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59025/k17r8863

Abstract

Kawasan Makam Raja-Raja Imogiri di Kabupaten Bantul, DI Yogyakarta, merupakan situs bersejarah dan budaya yang sangat penting, menarik ribuan peziarah dan wisatawan setiap tahunnya. Keberadaan kompleks makam ini, yang terletak di lereng bukit dengan topografi berundak, menjadikannya rentan terhadap dampak peristiwa hidrometeorologi, khususnya curah hujan ekstrem. Kondisi lerengnya yang labil akibat infiltrasi air permukaan dan air tanah, ditambah dengan kemungkinan sistem drainase eksisting yang belum optimal atau kurang terpelihara, meningkatkan risiko destabilisasi. Pengabdian kepada Masyarakat ini secara spesifik bertujuan untuk membantu mitra, yaitu pengelola Kawasan Makam Raja-Raja Imogiri dan masyarakat sekitar, dalam merencanakan serta merumuskan desain pembuatan sistem drainase yang efektif. Dalam rangka penanganan potensi longsor akibat intensitas hujan yang lebat, maka perlu dibangun saluran drainase lereng untuk mengurangi dampak yang tidak diharapkan. Pertama, Tahap Survei dan Identifikasi Masalah, serta menginventarisasi infrastruktur drainase yang sudah ada. Tahap selanjutnya, Perencanaan Desain Drainase Penangkapan Air Hujan, di mana tim bersama mitra akan merumuskan konsep dan desain rinci sistem drainase penangkap air hujan yang efektif untuk lereng curam. Berdasarkan hasil kajian dan diskusi, saluran drainase direncanakan dengan Kala Ulang Hujan 10 Tahunan dan menggunakan material U-ditch dengan dimensi saluran untuk Saluran 1 dengan dimensi 60 x 70 cm, Saluran Rencana A dengan dimensi 40 cm x 40 cm, Saluran Rencana B dengan dimensi 40 cm x 40 cm dan peningkatan kapasitas Saluran Eksisting 3 (Sal C) dengan dimensi 40 cm x 60 cm
Analisis Hidrograf Banjir Akibat Pemindahan Alur Sungai pada Sungai Kaliyasa Baru Menggunakan Model Hec-HMS Ratih Nurmala Saridewi; Muchamad Arif Budiyanto; Jesinta Kotilda Dinda
Jurnal Talenta Sipil Vol 9, No 1 (2026): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v9i1.1255

Abstract

River channel realignment is a common river engineering measure to support regional development and flood mitigation; however, it may significantly alter river hydrological characteristics. This study aims to analyze changes in flood hydrographs resulting from the realignment of the New Kaliyasa River in the PLTU Cilacap area using the HEC-HMS hydrological model. Areal rainfall was determined using the Thiessen polygon method based on annual maximum daily rainfall data from nearby rainfall stations. Design rainfall was estimated through frequency analysis using several probability distributions, namely Normal, Log-Normal, Gumbel, and Log Pearson Type III, which were evaluated using the Chi-square and Smirnov–Kolmogorov goodness-of-fit tests. The results indicate that all tested distributions are acceptable; however, the Gumbel distribution was selected as the best-fit distribution due to its smallest maximum deviation value. The selected design rainfall was then transformed into hourly rainfall using the Alternating Block Method (ABM). Hydrological modeling with HEC-HMS was conducted to generate design flood hydrographs for various return periods. The simulation results show variations in peak discharge, time to peak, and runoff volume, reflecting the hydrological response of the Kaliyasa watershed after river channel realignment. This study demonstrates that HEC-HMS is effective in representing flood characteristics and can serve as a technical basis for evaluating river capacity and planning flood control measures in the PLTU Cilacap area.
PEMBERDAYAAN PARTISIPATIF PENATAAN PERMUKIMAN KAWASAN KUMUH BANTARAN SUNGAI GAJAHWONG MUJA MUJU YOGYAKARTA Nurokhman Nurokhman; Muchammad Arif Budiyanto; Muhammad Ryan Iskandar; Muhammad Arifin; Fajar Purwoko
Gemi: Jurnal Penelitian dan Pengabdian Vol. 1 No. 2 (2022): Gemi
Publisher : Universitas Cokroaminoto Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47200/gemi.v1i2.1264

Abstract

Kawasan Permukiman Kumuh di Bantaran Sungai Gajahwong Muja Muju Kota Yogyakarta merupakan permasalahan yang harus sesuai target Dirjen Cipta karya dengan istilah 100-0-100 (100% akses air bersih-0% luasan kumuh-100% akses sanitasi). Progran Kota Tanpa Kumuh Yogyakarta telah komitmen mendukung dengan mengintegrasikan beberapa program dari sector lain termasuk pembentukan Kelompok Kerja yang terdiri dari pemerintah, swasta, perguruan tinggi dan masyarakat. Universitas Cokroaminoto Yogyakarta sebagai bagian dari Pokja tersebut beruapaya memberikan partisipasinya berupa pemikiran dari dosen dan mahasiswa. Dalam penataan permukiman kumuh di banataran Sungai Gajahwong Muja-Muju menjadi perhatian kampus karena Kawasan Muja Muju-Warungboto-Giwangan merupakan area di sekitar kampus UCY. Adanya Program PTSL yang telah menertibkan status pertanahan dan hunian di Kawasan ini telah memberikan sinergitas dengan Program Kotaku dalam pembenahan perumahan. Tujaun kegiatan mengidentifikasi permasalahan aspek kumuh di Kawasan Permukiman Kumuh Bantaran Sungai Gahajwong Muja Muju, menganalisis infrastruktur yang direncana atau telah dibangun pada skala lingkungan maupun skala kawasan sebagai peningkatan kualitas permukiman kumuh dan menganalisis kelayakan konstruksi berdasarkan peraturan yang berlaku. Metode kegiatan melalui observasi lokasi di Kawasan permukiman Kumuh Bantaran Sungai Gajahwong Muja Muju dengan dukungan data sekunder dari Dinas PUPKP Kota Yogyakarta, Program Kota Tanpa Kumuh Kota Yogykarta, dan data pendukung lainnya. Hasil kegiatan teridentifikasi permasalahan parameter kumuh pada 7 aspek bangunan gedung, jalan, drainase, jaringan air limbah, sarana air bersih, persampahan, proteksi kebakaran dan ketersediaan ruang terbuka publik dengan skor kekumuhan awal 31 pada tahun 2016 (kumuh ringan) dan sekarang tahun 2021 sudah bebas kumuh. Selain perubahan skor juga tampilan Kawasan yang sudah tertangani dan tertata menjadi kawasan asri dan harmoni banatarn sungai menjadi halaman depan rumah setelah adanya pengeprasan hunian untuk akses jalan dengan konsep M3K (Jawa: “mundur, munggah, madep kali”) secara sawadaya.
The Rainfall Intensity Analysis in the Mount Merak Imogiri Area, as a Data-Based Recommendation for Disaster Mitigation and Drainage Managementof Cultural Heritage Sites Muchamad Arif Budiyanto; Muhamad Arifin; Afnan Juli Arochma
Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Vol. 23 No. 1 (2026): Volume 23 No 1, June 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jg.v23i1.48465

Abstract

Mount Merak area in Imogiri Bantul Regency, Yogyakarta Special Region, is a highly important historical and cultural site. Its existence is located on a hillside with a terraced topography, making it vulnerable to the impact of hydrometeorological events (such as extreme rain). The aim of this research is to measure and analyze the intensity of rain in the Mount Merak Imogiri area. Provide data-based recommendations for hydrometeorologicaldisaster mitigation strategies, especially related to drainage management and erosion prevention. The methodology used involves frequency analysis of maximum daily rainfall data for 20 years (2004–2023) from the Siluk Rain Post which was processed using MS Excel software. The selection of the best distribution model was based on the Chi-Square and Smirnov- Kolmogorov goodness-of-fit tests, which determined the Log-Normal distribution as the most suitable method. Results of calculating rain intensity using the Mononobe method taking into account the concentration time (Tc) of 4.91 minutes. The analysis results show that the rainfall intensity value for return periods 2, 5, 10, 20, 50 and 100 years respectively is 15.71; 19.40; 21.66; 23.73; 24.37; and 26.29 mm/hour. These findings indicate a high risk of surface runoff in a short duration, so it is necessary to design optimal drainage systems and strengthen slopes to maintain the stability of cultural heritage building structures from the threat of local erosion and flooding.
Co-Authors Afnan Juli Arochma Afnan Juli Arochma Amri, Choiri Choiri Amri Fahrudin Hanafi, Fahrudin Fajar Purwoko HARJANTO HARJANTO Hendra Sufarjo Hery Kristiyanto Indra Suharyanto Jaya, Reja Putra Jesinta Kotilda Dinda Muhamad Arifin Muhamad Arifin Muhamad Arifin, Muhamad Muhammad Aditiya Savareno Muhammad Arif Hidayatullah Muhammad Arifin Muhammad Ryan Iskandar Muhammad Ryan Iskandar Nilla Rahmania Fajar Nurokhman Nurokhman, Nurokhman Panjalu, Muhammad Anggito Ratih Nurmala Saridewi Ratih Nurmala Saridewi Saridewi, Ratih Nurmala Tornado M. Ratu Ropa