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Asep Harhar Muharam
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Gedung Direktorat Sumber Daya Air Lt. 8 Jl. Patimura No 20 Kebayoran Baru, Jakarta Selatan, Jakarta Selatan, DKI Jakarta - 12110
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INDONESIA
Jurnal Teknik Sumber Daya Air
Published by Himpunan Ahli Teknik Hidraulik Indonesia
ISSN : 24071048     EISSN : 29628105     DOI : -
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Energy Engineering Environmental Science
Jurnal Teknik Sumber Daya Air (JTSDA) adalah jurnal berbahasa Indonesia yang memuat naskah ilmiah dalam bidang Teknik Sumber Daya Air dengan proses review secara double-blind peer-reviewed. JTSDA terbit 2 (dua) kali dalam setahun, open access, menerima berbagai tipe naskah, baik naskah penelitian (research articles), naskah kasus teknik (technical notes), ataupun naskah ulasan (review articles). Ketiga tipe naskah JTSDA tersebut mencakup aspek konservasi sumber daya air, pendayagunaan sumber daya air, pengendalian daya rusak sumber daya air, sistem informasi sumber daya air, serta kelembagaan sumber daya air.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Sain dan Teknologi Air
Articles 8 Documents
 1 
Search results for , issue "Vol. 3 No. 2 (Desember 2023)" : 8 Documents clear
Model Prediksi Ketersediaan Air Menggunakan Data Sirkulasi Atmosfer Halik, Gusfan; Wahyuni, Sri; Yunarni, Wiwik; Bukhori, Saiful
Jurnal Teknik Sumber Daya Air Vol. 3 No. 2 (Desember 2023)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v3i2.49

Abstract

Perubahahan iklim global telah memberikan pengaruh terhadap perubahan pola curah hujan sehingga berdampak pada ketersediaan air. Disamping itu, kondisi fenomena iklim lokal seperti ENSO juga memberikan pengaruh terhadap perubahan pola hujan dan ketersediaan air. Saat ini, prediksi hujan dan ketersediaan air sangat sulit dilakukan karena terjadinya perubahan iklim dan adanya ketidakpastian fenomena iklim lokal. Penelitian ini bertujuan untuk memodelkan ketersediaan air di DAS Sampean Baru Kabupaten Bondowoso menggunakan data sirkulasi atmosfer secara langsung. Model prediksi ketersediaan air diusulkan menggunakan model hybrid berbasis kecerdasan buatan, yaitu : Wavelet Neural Networks (WNN). Model WNN menggabungkan fitur ekstraksi dengan transformasi wavelet dan fungsi transfer non linier Artificial Neural Networks. Hasil penelitian menunjukkan bahwa pola ketersediaan air antara luaran WNN dengan pola ketersediaan air observasi mempunyai kesesuaian pola yang sama.  Namun demikian, luaran WNN belum mampu memprediksi debit aliran tinggi atau debit puncak dengan baik. Oleh karena itu, model WNN ini hanya direkomendasikan untuk memprediksi debit operasional atau debit andalan bulanan. Berdasarkan hasil penelitian ini, model prediksi ketersediaan air dengan WNN dapat dimanfaatkan oleh instansi terkait/stakeholder sebagai alternatif dasar pertimbangan dalam merancang strategi alokasi air.
Analisis Pengaruh Fenomena Iklim El-Nino dan La-Nina terhadap Curah Hujan di Kalimantan Tengah Nugraheni, Melly; Zakaria, Ahmad
Jurnal Teknik Sumber Daya Air Vol. 3 No. 2 (Desember 2023)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v3i2.83

Abstract

Central Kalimantan is one of the regions in Indonesia affected by El Nino and La Nina climate anomalies. This study was conducted to determine the effect of El Nino and La Nina climate anomalies or deviations on rainfall in Central Kalimantan. The purpose of this study was to look at the areas that have the most influence caused by El Niño and La Nina climate anomalies. This study used daily rainfall data from the Meteorology, Climatology and Geophysics Agency (BMKG) station and also the Tropical Rainfall Measurement Mission (TRMM) satellite in Central Kalimantan with a data range of 22 years, from 1998 to 2019. Spectral methods are used as modeling and use the Fast Fourier Transform (FFT) program to obtain rainfall spectrum data. Then the amplitude value is obtained and the data comparison is carried out to determine the value of the correlation relationship. The results of data analysis according to the results of Fast Fourier Transform (FFT) obtained that the area that has the highest influence due to El Nino and La Nina climate anomalies or deviations based on BMKG and TRMM data is at the H. Asan station. The dominant frequency period of recurrence for BMKG data is 3.74 years with an amplitude value of 1.4641 mm and TRMM data is 2.80 years with an amplitude value of 0.9829 mm.
Kajian Penanganan Gerusan pada Sungai Ciujung melalui Pemodelan Numerik : Study of Scour Treatment in the Ciujung River through Numerical Modeling Putriasri, Anggun Etika; Hermawan, Yandi; Amatullah, Salma Izzatu; Rahmawati, Adhisye; Sandi, Calvin
Jurnal Teknik Sumber Daya Air Vol. 3 No. 2 (Desember 2023)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v3i2.84

Abstract

The Ciujung River is known to have a meander river morphology, which has many bends. This causes several points in the river to be prone to erosion. In January 2023, the banks of the Ciujung River located in Bojong Catang Village experienced a landslide due to erosion which caused damage to several residents’ houses and threatened the surrounding settlements. Therefore, a treatment is needed to prevent erosion. Crib is a river structure that has a functions to regulate the direction of flow at river bends while protecting river banks against erosion. This study will test several alternative crib designs on the riverbanks of Bojong Catang Village. The simulation in this study was carried out using a 25-year return period flood discharge with a peak discharge of 1538,10 m3/s. Tests were carried out using numerical modeling with the aid of HEC-RAS 6.2 software to determine the flow speed at the outer bend of the river. The main objective of this study is to test the effectiveness of several design alternatives, as well as to provide crib design recommendations. From the results of modeling and analysis, it was found that to reduce the potential for landslides on river banks, with a length of ± 670 m in Bojong Catang Village, Alternative III groin design is recommended, with 12 impermeable crib, crib length of 31,85 meters, and the distance between each cribs is 57,33 meters. This alternative offers the most economical costs, with a smaller number of groins yet still has high effectiveness in reducing flow velocity at the outer bends of the river.
Studi Komparasi Peta Bahaya Kekeringan Meteorologi dan Hidrologi WS Pemali Comal Primadita, Brigita Diaz; Utami, Nirmaya Arti; Utama, Riksa Nugraha; Levina; Radhika; Pohan, Dasniari; Rizqullah, Hirzi
Jurnal Teknik Sumber Daya Air Vol. 3 No. 2 (Desember 2023)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v3i2.85

Abstract

The Pemali-Comal River Basin experienced a very massive impact due to drought, considering the large area of land used for agriculture. Therefore, an effective drought mitigation is needed, one of which is developing a hazard map that includes spatial analysis and the severity degree of the drought. This study aims to compare the spatial distribution of meteorological and hydrological drought hazards in the Pemali-Comal River Basin. Meteorological drought can identify areas that naturally experience a water deficit due to rain, while hydrological drought can indicate areas that experience a surface flow deficit. Drought hazard mapping was carried out using condition classification using the Standardized Precipitation Index and Standardized Runoff Index on 67 rain gauges and 16 streamflow gauges throughout 1990-2021. More than half of the total Pemali Comal River Basin area is at a high-very high danger level (70% meteorological drought and 50% hydrological drought). Regarding the danger of meteorological drought, the majority of areas with a very high level of danger are in the eastern part of the river region, namely Pemalang Regency , Pekalongan Regency, and parts of Batang Regency. Meanwhile, from hydrological drought, the northern coastal areas of the Pemali-Comal WS, especially in the north of Brebes Regency, Tegal City, north of Pemalang Regency and Pekalongan City tend to have very high levels of danger. The hydrological drought (showing surface water deficit) in the Pemali Comal River Basin are caused by athropogenic factors which can be seen from the distribution of land use. Therefore, it is recommended to carry out mitigation such as rainwater harvesting, creating water reservoirs, and reforesting areas that have a very high risk of surface water drought, especially in the northern part of the Pemali-Comal River Basin.
Pembaharuan Pola Pengoperasian Waduk Sianjo-Anjo Akibat Peningkatan Laju Sedimen dan Variabilitas Aliran Zahrah, Nurrul; Azmeri; Maimun Rizalihadi
Jurnal Teknik Sumber Daya Air Vol. 3 No. 2 (Desember 2023)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v3i2.87

Abstract

Waduk berperan penting dalam memastikan keberadaan air untuk memenuhi kebutuhan air di hilirnya. Keberadaan waduk dapat mengurangi variabilitas temporal terhadap aliran melalui pengaturan outflow air waduk. Pada penelitian ini sistem pengoperasian Waduk Sianjo-anjo untuk menyuplai kebutuhan air baku. Sistem pengoperasian waduk harus optimal agar penggunaan air sesuai dengan kebutuhan daerah pelayanan. Metode pengoperasian waduk dianalisis menggunakan teknik optimasi dengan program non linier. Optimasi pengoperasian waduk ditujukan untuk meminimalkan deviasi (outflow-kebutuhan air) dalam pengoperasiannya. Berdasarkan hasil optimasi pengoperasian Waduk Sianjo-Anjo dengan menggunakan Tool Solver pada Microsoft Excel didapatkan rata-rata outflow saat tahun kering sebesar 552.534,16 m3, saat tahun normal didapatkan rata-rata outflow sebesar 998.071,34 m3, dan saat tahun basah didapatkan rata-rata outflow sebesar 1.632.488,80 m3. Dengan demikian pengoperasian Waduk Sianjo-Anjo menghasilkan lebih besar atau sama dengan 100% keandalan untuk dapat memenuhi kebutuhan air baku yang dapat menyeimbangkan dengan kebutuhan air baku dan tampungan waduk.
Nina Estimasi Angkutan Sedimen Dasar pada Saluran Sand Trap Daerah Irigasi Gumbasa: Estimation of Bedload Sediment Transport at Sand-trap Channel of Gumbasa Irrigation Area Rustiati, Nina; Fauzi, Nurfahli Riza; Keristiadi, Ariesto; Setiaji, Wahyu; Ngaripin
Jurnal Teknik Sumber Daya Air Vol. 3 No. 2 (Desember 2023)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v3i2.88

Abstract

The Sulawesi River Basin Office 3 requires data on the characteristics of sediment grains to predict the frequency of sedimentation flushing. The Gumbasa Irrigation Area is located in the Palu valley area which extends from the headwaters of the Gumbasa River to the Kawatuna River in Palu City, namely: Gumbasa, Tanambulaya, Dolo, Sigi Biromaru and South Palu Districts. The Gumbasa Irrigation Area has an area of ​​1,737 Ha. This study aims to determine the amount of bedload sediment transport in the Sand Trap Channel of the Gumbasa Irrigation Area. In this research, bed load sampling, flow velocity and water depth in the channel were taken. Sampling was carried out in two seasons, namely at the beginning of the rainy season (February) and the end of the rainy season (March). The purpose of taking samples at two different times is to determine the difference in the amount of sediment transport at that time. The sediment samples are then tested in the laboratory to obtain grain diameter measurements with a passing percentage of 90% and 50% (D90 and D50). The data that has been obtained is then analyzed using the Meyer-Peter-Muller equation. The analysis results show that the amount of bedload sediment transport at the beginning of the rainy season using the Meyer-Peter-Muller equation is 184,966 m3/day, while at the end of the rainy season the amount of bedload sediment transport using the Meyer-Peter-Muller equation is 38,494 m3/day.
Pengembangan Pentapod Armor Beton Jenis Baru untuk Pelindung Bangunan Pantai Natakusumah, Dantje Kardana; Achiari, Hendra; Nugroho, Eka; Hidayatulloh, Syarif; Angelo, Jonathan; Adinata, Fitra
Jurnal Teknik Sumber Daya Air Vol. 3 No. 2 (Desember 2023)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v3i2.92

Abstract

This paper discusses PentaPod concrete armor, a new type of coastal structure protection made from concrete designed to shield against wave and tidal damage. PentaPod concrete armor can be arranged randomly or in an organized fashion without requiring ties. However, it can also be installed systematically, in one or multiple layers, interconnected with ties. The overall stability of structures with PentaPod armor far exceeds that of conventional concrete armor installations. The research method involves determining the Stability Coefficient (Kd) for two variants of PentaPod concrete armor, namely PentaCone and PentaOcta, tested in a Wave Tank. This study aimed to find the stability coefficient for both variants of PentaPod concrete armor when installed randomly and systematically without tie bonds. The novelty of the research includes that the concrete armor: 1) can be installed randomly and systematically, 2) systematic installation without ties reduces the number of armor units and associated costs, 4) systematic tie-bonded installation improves stability and can reduce the size of armor units, thus lowering costs, 5) the use of ties facilitates the installation of armor on the surface and underwater. In this paper, the Flow 3D software is used as a Numerical Wave Flume. Although there are no results from the Numerical Wave Flume that can be compared with the results from the Physical Wave Flume, this is an initial step toward obtaining complementary results between the Physical and Numerical Wave Flume methods.
KONSERVASI SUMBER DAYA AIR BERBASIS KEARIFAN LOKAL KALI ELELI KAMPUNG HELAKSILI DISTRIK ABENAHO KABUPATEN YALIMO Wambrauw, Elisabeth Veronika; Sambom, Marice; Agnesari, Lisa
Jurnal Teknik Sumber Daya Air Vol. 3 No. 2 (Desember 2023)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v3i2.95

Abstract

Pengelolaan Sumber Daya Air meliputi konservasi, pendayagunaan dan pengendalian daya rusak harus dilakukan berkelanjutan guna mengurangi risiko kekurangan ketersediaan air tawar dan dampak negatif dari perubahan iklim yang tidak menentu. Salah satu bentuk pengelolaan yang dapat dilakukan adalah berbasis kearifan lokal yang ada di masyarakat adat (Indigenous People) yang telah diterapkan antar generasi. Tujuan penelitian ini adalah untuk mengidentifikasi salah satu konsep pengelolaan sumber daya air yang ada di Papua yaitu suku Sambom yang berada pada Kampung Helaksili di kaki Gunung Hawi, Distrik Abenaho Kabupaten Yalimo Provinsi Papua Pegunungan. Metode pendekatan dalam penelitian ini adalah Kualitatif dan Metode Systematic Literature Review, yang mana selain didasarkan oleh epistemology dan ontology Suku Sambom, juga collecting data sebanyak dua kali yakni tahun 2020 dan 2021, serta literature review 2022 sampai 2023. Hasil penelitian menunjukkan bahwa suku Sambom memiliki lima zona pemanfaatan sumber daya air yang berasal dari Kali Elelim yang dikategorikan oleh penulis sebagai zona A (zona konservasi dan bersifat sakral), zona B (pengambilan air minum), zona C (tempat mencuci), zona D (tempat mandi laki-laki), dan zona E (tempat mandi perempuan). Pembagian zonasi ini memuat semua unsur pengelolaan sumber daya air yang termuat dalam UU No. 17 tahun 2019 dan bersifat berkelanjutan. Pembatasan zonasi menggunakan batasan alami seperti vegetasi, landscape, dan sempadan sungai selebar satu km yang dipertahankan ekosistemnya dan berfungsi sebagai buffer zone antara sungai dan permukiman penduduk. Dengan demikian pengintegrasian kearifan lokal ini dalam kebijakan pemerintah penting dalam menjamin ketersedian air, perlindungan terhadap nilai budaya dan ketahanan terhadap perubahan iklim.

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