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Ahmad Taufiq
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INDONESIA
JURNAL SUMBER DAYA AIR
ISSN : 19070276     EISSN : 2548494     DOI : -
Core Subject : Engineering,
Jurnal Sumber Daya Air (JSDA) is a journal aims to be a peer-reviewed platform and an authoritative source of information. We publish original research papers, review articles and case studies focused on Water, and Water resources as well as related topics. All papers are peer-reviewed by at least two referees. JSDA is managed to be issued twice in every volume. The Scope of JSDA is: the fields of irrigation, environmental quality and water, swamp, beach, water building, water supply, hydrology and geotechnical fields, hydrology and water management, water environment, coastal fields, fields of cultivation and sabo fields.
Arjuna Subject : -
Articles 191 Documents
Wawasan mengenai sistem peringatan dini kekeringan di Indonesia Samuel Jonson Sutanto
JURNAL SUMBER DAYA AIR Vol 13, No 1 (2017)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v13i1.158

Abstract

Drought is often categorized as a natural disaster, which receives less attention compared to flood, earthquake, and landslide due to its slow development characteristic. However, the loss due to drought events especially for farmers is comparable with other hazards. To reduce the impact of droughts, a drought early warning system with a lead time of several months ahead is needed. This paper, therefore, exploits the insight of drought early warning system that can be developed in Indonesia. Results show that drought analysis to calculate the forecasted drought severity can be separated into two algorithms. First algorithm is developed to calculate the distribution parameters or CDF values for each month and in each grid cell using historical data that will be used in second algorithm. The second algorithm is built to calculate the drought severity index using forecast data and distribution parameters or CDF values. Outcomes of the analysis are forecasted drought regions and drought index in each province in Indonesia, showing the top and bottom boundaries of the forecast essembled models. Bias correction must be carried out if the hindcast data are available in order to obtain more accurate drought forecasting results. The insight of drought early warning system that is described in this paper hopefully can guide the researchers to develop the drought early warning system in Indonesia.
Cover JSDA Nov 2017 COVER JSDA Nov 2017
JURNAL SUMBER DAYA AIR Vol 13, No 2 (2017)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (952.531 KB) | DOI: 10.32679/jsda.v13i2.392

Abstract

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Simulasi genangan banjir menggunakan data ASTER DEM pada alur Sungai Cilemer Nuryanto Sasmito Slamet; Sarwono Sarwono
JURNAL SUMBER DAYA AIR Vol 12, No 1 (2016)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2000.725 KB) | DOI: 10.32679/jsda.v12i1.165

Abstract

The Cilemer River is a river which flowing to Lada Bay in west coast of Pandeglang District, Banten Province. The influence of the tide, the high flood discharges and settlements located at the flood plain has caused flooding every year. In order to understand flood overtopping mechanism and inundation map, numerical model simulation for flood and inundation area were conducted. The numerical model of the river were conducted using cross sectional of the river, result of these simulations were further integrated with Geographical Information System (GIS). The objective of this study is to obtain inundation map area. The input for GIS is a Digital Elevation Model which is obtain from Advanced Spaceborne Thermal Emission and Reflection Radiometer Digital Elevation Model (ASTER DEM). The simulation results shows the capacity of Cilemer River upstream is 210 m3/s while on the downstream segment was only 100 m3/s. Simulation shows with overtopping of the dike of 0,96 m generate 546 Ha of inundation area for 2 year return period of flood discharge. The overtopping of 1,1 m has generated 592 Ha of inundation area for 5 year return period of flood discharge. With overtopping of 1,26 m of 10 year return period flood discharge has caused 682 Ha inundation area, while 2,56 m overtopping has generated 912 Ha inundation area for 25 year return period of flood discharge. Effect of flood control structure on the outlet of bypass has generated 19 cm increase of water level.
UPAYA PENGEMBANGAN DAN PENDAYAGUNAAN SUMBER AIR DI PULAU KECIL SUPIORI PAPUA Heni Rengganis
JURNAL SUMBER DAYA AIR Vol 11, No 1 (2015)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v11i1.111

Abstract

Wilayah Kabupaten Supiori merupakan gugusan pulau-pulau kecil yang terdiri atas pulau Supiori dan pulau-pulau kecil lainnya. Pulau ini memiliki sejumlah sumber air berupa mata air yang lokasinya tersebar hampir di seluruh kecamatan. Potensi sumber air di wilayah ini, secara kuantitas sangat berlebih jika hanya digunakan untuk kebutuhan air bersih penduduk saja. Penelitian pemanfaatan dan pengembangan pendayagunaan sumber air dilaksanakan dengan survei lapangan dan dilanjutkan dengan pengukuran serta evaluasi pengembangan dan pendayagunaan khususnya mata air. Sebagian besar sumber air di Pulau Supriori berpotensi untuk dikembangkan. Selain dipakai untuk kebutuhan industri pariwisata dapat juga digunakan untuk industri yang menggunakan air sebagai bahan baku utama, seperti air minum dalam kemasan. Tujuan penelitian adalah mendapatkan gambaran tentang pemanfaatan sumber air di pulau kecil Supiori Papua untuk berbagai kebutuhan dan kemungkinan pemanfaatan sebagai air baku air minum dalam kemasan. Sasarannya adalah agar pemerintah daerah setempat dapat meningkatkan pendapatan asli daerah (PAD) dari sumber-sumber air yang dapat dipertahankan keberlanjutannya. Salah satu sumber air yang dapat dimanfaatkan yaitu sumber air Mastrip dengan debit 40 l/s - 812 l/s. Meskipun jauh dari permukiman penduduk, tetapi lokasi ini mudah dijangkau dari arah laut. Potensi ini diharapkan dapat menjadi nilai tambah bagi masyarakat Kabupaten Supiori, karena selama ini air minum dalam kemasan yang beredar di Papua berasal dari daerah Jawa Timur.
Pengujian Data Hidrologi Dalam Rangka Peningkatan Efektifitas Dan Efisiensi Pengelolaan Sumber Daya Air Agung Bagiawan; Sri Mulat Yuningsih; Desi Windatiningsih
JURNAL SUMBER DAYA AIR Vol 7, No 1 (2011)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (430.179 KB) | DOI: 10.32679/jsda.v7i1.379

Abstract

Hydrological data are not only prerequisite for planning, development and management of water resources and the environment, but they are also necessary for the scientific study of hydrological processes. With availability of sophisticated methods for data analysis and multidimensional problems such as floods of long duration, drought, drainage congestion, and low flow in rivers, emphasis is now being placed on comprehensive and quality data. The analysis and use of hydrological data for decision making in water resources planning and management can only be meaningful if the data possess the appropriate characteristics. In general, it is customary that data being analysed are stationary, consistent, free of trend and constituting a stochastic process whose random component is described by an appropriate probability distribution hypothesis. This paper describes, using hypothetical numerical examples where possible, some of the commonly used tests for establishing the presence or otherwise of these attributes in hydrological data series. The tests were then applied to actual streamflow and rainfall data records in upper Cimanuk River Basin. Practical procedures and softwares for quality control of hydrological data have been discussed and developed that may be useful to the users for validating hydrological data.
Penilaian Indeks Risiko Metode Modifikasi Andersen Dan Modifikasi Icold Untuk 12 Bendungan Di Pulau Jawa Dery Indrawan
JURNAL SUMBER DAYA AIR Vol 9, No 2 (2013)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1439.919 KB) | DOI: 10.32679/jsda.v9i2.150

Abstract

Penilaian risiko untuk 12 bendungan di Pulau Jawa dengan metode modifikasi Andersen dan modifikasi ICOLD telah dilakukan, dan merupakan bagian dari kegiatan Dam Operation Improvement Safety Project (DOISP) di Pusat Penelitian dan Pengembangan Sumber Daya Air, Kementerian Pekerjaan Umum. Pada bendungan yang dievaluasi dilakukan analisis risiko terhadap defisiensi struktur akibat beban kondisi operasi normal, banjir, dan gempa. Makalah ini merangkum proses penilaian risiko dari ke dua metode indeks risiko tersebut, hasil penilaian, temuan dan rekomendasi, serta memberikan evaluasi dari proses penilaian risiko dan rekomendasi dalam penentuan kebijakan dalam operasi dan pemeliharaan bendungan. Diketahui bahwa rangking risiko antara ke dua metode memberikan urutan berbeda, hal ini disebabkan perbedaan pendekatan penilaian risiko dari ke dua metode tersebut. Modifikasi Andersen terfokus terhadap defisiensi struktur terutama yang tampak secara visual, dan modifikasi ICOLD terfokus dengan kelemahan dalam desain dan risiko di hilir. Meskipun kedua metode tersebut memiliki pendekatan yang berbeda, ke dua metode tersebut dapat digunakan dalam analisis risiko bendungan dengan disesuaikan maksud dari penilaian Indeks risiko.
Pengaruh Infrastruktur Sanitasi Terhadap Fecal Coliform Di Dua Inlet Kanal Banjir Timur Yuliya Mahdalena Hidayat
JURNAL SUMBER DAYA AIR Vol 11, No 2 (2015)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v11i2.102

Abstract

Air limbah yang dibuang langsung ke badan air menyebabkan lingkungan perairan tercemar oleh mikroorganisme pathogen di antaranya fecal coliform. Telah dilakukan penelitian pengaruh infrastruktur sanitasi terhadap fecal coliform yang ada di Sungai Cipinang dan Sungai Sunter. Data fecal coliform di Sungai Cipinang dan di Sungai Sunter diperlukan untuk analisa korelasi dengan kondisi sanitasi, menggunakan metode product moment pearson. Hasil pengukuran menunjukkan bahwa Fecal coliform di Sungai Cipinang berkisar antara 40.000 120.000 Jml/100mL dan di Sungai Sunter 16.000 110.000 Jml/100mL telah jauh melebihi jumlah yang dipersyaratkan dalam PP 82/2001 yang berkisar antara 100 2.000 Jml/100mL untuk Kelas I Kelas IV, hal ini berindikasi pula telah tercemarnya kedua inlet Kanal Banjir Timur tersebut. Hasil analisis korelasi menunjukkan bahwa fecal coliform di Sungai Cipinang dan fecal coliform di Sungai Sunter signifikan dipengaruhi oleh terbatasnya infrastruktur sanitasi. Fecal coliform dapat merupakan petunjuk adanya pencemaran limbah domestik di sungai akibat pertumbuhan penduduk yang tidak diimbangi pembangunan infrastruktur sanitasi yang memadai. Tinginya pertumbuhan penduduk tanpa diimbangi dengan pembangunan infrastruktur sanitasi memungkinkan sebagai penyebab penurunan kualitas air sungai. Pesatnya pertumbuhan penduduk hendaknya di imbangi dengan penyediaan infrastuktur sanitasi untuk mencegah tercemarnya badan air.
PENERAPAN SKEMA WETTING AND DRYING PADA PERSAMAAN HIDRODINAMIKA UNTUK SIMULASI RAYAPAN GELOMBANG Fitri Riandini
JURNAL SUMBER DAYA AIR Vol 5, No 2 (2009)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (8908.173 KB) | DOI: 10.32679/jsda.v5i2.474

Abstract

Wetting and drying (WAD) are common and important phenomena of the coastal ocean. They occur inlow-lying coastal zones and also in embayment and inlets. Strong winds and/or tides can cause flooding andsubsequent drying. In shallow water models, wetting and drying are determined by the total depth D = 0 for'dry' and D>0 for 'wet'. The scheme defines 'dry' cells as region with a thin film fluid. The primitiveequations are solved in the thin film as well as in other regular wet cells. The scheme was applied tohydrodynamics model to simulate tsunami's run up at Banda Aceh (Nanggroe Aceh Darussalam) andPangandaran (West Java). Simulation results show that run up height at Banda Aceh reach more than 5 m,while at Pangandaran more than 3 m.
Persepsi Masyarakat Terhadap Penerapan Teknologi Tepat Guna Bidang Sumber Daya Air (TTG-BSDA) (Studi Kasus Kabupaten Pacitan, Gunung Kidul Dan Bantul) Fanani Aziz Alwi; Wildan Herwindo
JURNAL SUMBER DAYA AIR Vol 8, No 1 (2012)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.851 KB) | DOI: 10.32679/jsda.v8i1.357

Abstract

Discharge regulation and measurement in the irrigation scheme are needed to improve water distribution equity and reliability which are often constrained by damaged sluice gates and discharge measuring devices. Sluice gates which are generally made of iron are often damaged because of corrosion or theft. Whereas the discharge measuring devices are often inaccurate because the required flow condition is often eligible and demolished since in the opinion of the farmers these devices are blocking the water flow. In order to solve this problem, a research was conducted to create sluice gates that can be both, a discharge regulator and measuring device. These gates are made of fiberglass/Glass Fiber Reinforced Plastic (GFRP), which is lighter and more corrosion resistant than steel. The shape of this gate is a rounded sluice gate so that it can be used as a measuring device. Tests were then conducted to determine the hydraulic characteristics of flow and discharge formulas that can be used. These tests resulted a contraction coefficient of 0,867 with error rate (Mean Absolute Percentage Error/MAPE) of 3,8% for free flow and 10,4% for submerged flow or an average of 8,71%. This indicates that this rounded sluice gate is feasible to be used as a measuring device. For operational convenience in the field, operators can be equipped with discharge charts or discharge calculators in Java programs that can be operated on a Java MIDP 2.0 cell phone.
Kajian Validitas Berbagai Metode Hidrograf Satuan Sintetik Dalam Aplikasinya Untuk Daerah Aliran Sungai Tak Terukur Ariani Budi Safarina
JURNAL SUMBER DAYA AIR Vol 8, No 1 (2012)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1032.958 KB) | DOI: 10.32679/jsda.v8i1.352

Abstract

In This study is had analyzed thirteen watersheds on the island of Java with wide ranges from 22 km2 to 2666 km2. Watershed characteristics as indicators are the area, the length of main rivers and the shape of the watershed. The Convolution method is used to determine the observation unit hydrograph using rainfall and water level data from automatic stations. This unit hydrograph is compared with four synthetic unit hydrograph methods namely Snyder, SCS, Nakayasu and Gama-1, using the comparison parameters of hydrograph shape and also hydrograph parameters i.e. peak discharge, peak time and time base. The results showed that the method of Snyder, SCS, Nakayasu and Gama-1 have an average deviation of hydrograph shape and peak discharge Qp, consecutive 21% and 36%, 116% and 185%, 17% and 4%, 32% and 24%. Three methods, Snyder, SCS and Nakayasu show direct runoff volume equal to one mm, except the method of Gama-1, so that it has to be corrected to conform with the basic principles of unit hydrograph. Based on the result of this research, it is concluded that the Nakayasu method is more appropriate for watersheds having wide range characteristics.

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