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INDONESIA
JURNAL SUMBER DAYA AIR
Published by Puslitbang Sumber Daya Air
ISSN : 19070276     EISSN : 2548494X     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture 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 236 Documents
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Uji Validasi Data Debit Studi Kasus: DAS Citarum Hulu Desi Windatiningsih
JURNAL SUMBER DAYA AIR Vol 15, No 2 (2019)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1374.835 KB) | DOI: 10.32679/jsda.v15i2.600

Abstract

Uji validasi data merupakan langkah pemeriksaan untuk memastikan data hidrologi yang disajikan telah sesuai dengan kriteria yang ditetapkan, merupakan salah satu bagian dari proses kendali mutu. Teknik validasi dirancang untuk mendeteksi kesalahan umum yang mungkin terjadi dan hasil validasi didesain untuk menunjukkan alasan mengapa suatu nilai data ditandai. Tujuannya adalah menganalisis data dengan metode uji validasi homogenitas dan trend, mendeteksi penyimpangan data, dan memberikan informasi kondisi kualitas data dengan jenis kategori. Uji validasi data debit dengan studi kasus DAS Citarum Hulu dilakukan pada 4 pos duga air terpilih menggunakan metode Pettitt dan T untuk uji homogenitas, metode Mann-Kendall dan Spearman untuk uji trend pada tingkat signifikansi 5%. Hasil kajian menunjukkan bahwa uji homogenitas dengan metode Pettitt lebih baik diterapkan pada kajian ini karena memiliki populasi data debit yang tidak berdistribusi normal. Kelebihan dari metode Pettitt adalah dapat menguji data tanpa adanya asumsi harus berdistribusi normal. Hasil uji trend dengan metode Mann-Kendall dan Spearman menunjukkan hasil signifikansi yang relatif sama, karena kedua uji tersebut memiliki metode statistik non parametrik. Kekuatan kedua uji ini tergantung pada tingkat signifikansi, ukuran sampel data, dan jenis distribusi. Hasil uji menunjukkan kondisi data di pos Citarum-Nanjung, Cigulung-Maribaya, Cikapundung-Maribaya dan Cikapundung-Gandok, masing-masing berkategori Baik, Tidak Realistis, Meragukan dan Meragukan. Homogenitas dan trend data debit di DAS Citarum Hulu tidak merata. Trend data debit di sub DAS Cikapundung mengalami kenaikan secara signifikan mulai tahun 1980an dan mengalami penurunan trend BFI di pos Cikapundung-Maribaya pada tahun 1990-2013. Hal ini mengindikasikan adanya pengaruh perubahan fungsi lahan pada sub DAS Cikapundung.Kata Kunci: Validasi data, data debi, Mann Kendall, Pettitt, Base flow Index (BFI)
Emisi Gas Metana Dari Waduk Saguling, Cirata Dan Jatiluhur Yayu Sofia
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 (1011.486 KB) | DOI: 10.32679/jsda.v9i2.154

Abstract

Pemanasan Global merupakan salah satu masalah lingkungan yang menarik perhatian baik nasional maupun internasional. Pemanasan global yang terjadi pada planet bumi ini terutama disebabkan karena bertambahnya kadar gas rumah kaca, antara lain gas metana. Sumber gas metana yang berasal dari waduk-waduk di Indonesia belum banyak diketahui. Mengingat hal tersebut, maka pada tahun 2012 telah dilakukan penelitian emisi gas metana dari Waduk Saguling, Cirata dan Jatiluhur. Metode penelitian dilakukan dengan cara pengukuran langsung di lapangan menggunakan sungkup terapung yang dihubungkan dengan alat pengukur infrared spektrometer. Pengukuran dilaksanakan dua kali, masing masing pada bulan Maret dan April yang dilakukan di 12-19 lokasi di setiap waduk (inlet, tengah, outlet waduk, serta di sumber pencemar). Hasil penelitian menunjukkan bahwa nilai rata-rata emisi gas metana di Waduk Saguling, Cirata dan Jatiluhur masing-masing sebesar 1,183 g/m2/hari; 0,620 g/m2/hari dan 0,410 g/m2/hari. Nilai ini ternyata lebih tinggi dibandingkan nilai rata-rata di waduk-waduk di daerah tropis (Panama, Brasil, dan Guyana) yang rata-ratanya sebesar 0,300 g/m2/hari. Meskipun demikian, karena luas permukaan waduk di Indonesia jauh lebih kecil dibandingkan luas rawa dan persawahan maka dapat diperkirakan bahwa total emisi gas metana dari waduk lebih kecil dibanding total emisi dari rawa dan persawahan.
Hydrological, Geological And Chemical Assessment Of Bouinenc Catchment, South Of France Samuel Jonson Sutanto
JURNAL SUMBER DAYA AIR Vol 6, No 2 (2010)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1745.13 KB) | DOI: 10.32679/jsda.v6i2.410

Abstract

Bouinenc catchment assessment has been carried out during field work in the South of France. This catchment assessment consists of field surveying, data collection, measurement, processing, and analysis based on hydrology, geology and chemistry condition. Moreover, EC routing has been done in this catchment along the Bouinenc. Result shows that during the observation period (June 1st until June 8th, 2010), the discharges are decreasing both in Upstream (Chap village) and in the Downstream. EC values at measurement location in downstream are increasing and have diurnal cycle depend on temperature. The potential evapotranspiration varies from above 4 to 7 mm/day during the measurement. Based on the geology map and survey, the majority of this study area is black marls and limestone formation from the Jurassic period. The springs are mainly located in the contact zone of the different layers and also in some cases due to faults. Water type in this area primarily is calcium bicarbonate from the marls and limestone formation. EC routing result shows that there is no significant interaction between surface water and groundwater. In addition, discharges from tributary rivers are not sufficient to influence the main river.
Perilaku Dan Keamanan Bendungan Manggar, Kalimantan Timur Carlina Soetjiono
JURNAL SUMBER DAYA AIR Vol 6, No 2 (2010)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1927.187 KB) | DOI: 10.32679/jsda.v6i2.422

Abstract

A safety evaluation of the Manggar dam in East Kalimantan has been carried out based on a combination of field inspection, instrument evaluation from 2004 to 2007 and a slope stability analysis during the research program of the year 2008. The results of the evaluation are then presented in the form of total risk index (IRtot) and dam safety value (Naman). The Manggar dam has a total risk index (IRtot) of 20,18 and a dam safety value (Naman) of 76,80, which meant that the dam was in a satisfied condition. The stability analysis presents that the upstream and down stream of dam was stable in a normal condition as well as in an abnormal (flood and earthquake) condition, so that there is no needs for further action of improvement of investigation as well as design and construction of the dam.
Evaluasi Kesesuaian Data Tropical Rainfall Measuring Mission (TRMM) dengan Data Pos Hujan Pada Das Temef di Kabupaten Timor Tengah Selatan Denik Sri Krisnayanti; Davianto Frangky B. Welkis; Fery Moun Hepy; Djoko Legono
JURNAL SUMBER DAYA AIR Vol 16, No 1 (2020)
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.v16i1.646

Abstract

The construction of the Temef Dam in Oenino Village, Oenino District, and Konbaki Village, Polen District, South Central Timor Regency requires long and reliable rainfall data. To overcome the minimum data or the unavailability of automatic rainfall (ARR) and discharge data in the past decades, the use of Tropical Rainfall Measuring Mission (TRMM) satellite data is foreseen. The accuracy of TRMM data is obtained when the parameters of suitability and compatibility of TRMM are in a good agreement with the ARR. For the Temef watershed, there are six rainfall stations that were reviewed, namely Fatumnasi, Oeoh, Noelnoni, Polen, Nifukani, and Batinifukoko rainfall stations. Direct comparisons of rainfall data were conducted for 20 years (1998-2018) with temporal resolution on a monthly and daily basis. The results of the study show that the rainfall patterns in the TRMM data product (version 3B42V7) tend to be consistent with 3 rainfall stations in the Temef watershed namely Noelnoni, Fatumnasi, and Batinifukoko. A correlation coefficient of 0.505 – 0.813 was obtained from TRMM data calibration at monthly basis while a correction factor level of 0.0056 - 0.0129 was obtained for daily.  The calibration on the annual maximum daily rainfall data resulted in a correction factor of 0.0298 - 0.2516. Monthly and daily TRMM data fit well with the data of 3 rainfall stations. However, the Noelnoni rainfall station showed poor results on the annual maximum daily rainfall.Keywords: TRMM data, ARR data, correction factor, correlation coefficient
Uji Laboratorium Pengaruh Kemiringan Lereng Terhadap Kejadian Longsoran Aliran Debris Pasir Merapi Bayu Seto Waseso Utomo; Jati Iswardoyo; Ruzardi Ruzardi
JURNAL SUMBER DAYA AIR Vol 16, No 1 (2020)
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.v16i1.616

Abstract

The debris flow that happen on the of Mount Merapi is really hard to be seen, therefore, it is necessary to conduct laboratory-scale simulations to know when debris flows will happen as regard to rainfall intensity and the slope of Mount of Merapi. This research examines the correlation between the slope and the potential for debris flow at 25 mm/h rainfall intensity. This will be a reference for early warning of landslides on Mount of Merapi. This research uses a tool such as flume that sized 3 x 5 x 0,15 m as a model of slope of Mount of Merapi, and artificial rainfall apparatus as the rain simulator. The simulation is conducted using five years rainfall intensity of 25 mm/h in combination of slope i.e. 15, 20, 25, 30 and 35 degrees whereas the material used to represent the sediment is in form of sand taken from Gendol River upstream with 4,75 mm passing mesh sieves. The result of this simulation is the steeper the slope is, the faster the duration for the rain to cause debris flow. This research can be continued with change variation of rainfall intensity to understand the debris flows behavior. Keywords: Debris flow, Mount of Merapi, laboratory test, rainfall intensity, flume model
Potensi Debit Aliran Lokal Waduk Saguling Menggunakan Model Hujan Limpasan Asep Ferdiansyah; sri mulat yuningsih; Mirwan Rofiq Ginanjar; Isnan Fauzan Akrom
JURNAL SUMBER DAYA AIR Vol 16, No 1 (2020)
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.v16i1.606

Abstract

Saguling reservoir is one of the three largest reservoirs in the Citarum River Basin. The water source of its reservoir originates from Upper Citarum river basin, with gauging station located in Citarum-Nanjung and local discharge from tributaries around the reservoir. The problem is there is no observation of local discharge from the tributaries, thus its potential is estimated. The purpose of this study is to analyze the potential of local discharge with the Hydrology Engineering Center-Hydrologic Modeling System (HEC-HMS) model. The HEC-HMS Rainfall-runoff method is used for calculating the potential of the local discharge that flows into Saguling resevrvoir. The parameters used in the model are deficit constant (loss parameter), linear reservoir (baseflow parameter), dan lag time (transform parameter). Rainfall-runoff model produced good calibration values for Citarum-Nanjung Gauging Station with R2 of 0.8 and the Nash-Sutcliffe efficiency (NSE) value of 0.788. The verification result carried out in Saguling reservoir gives NSE of 0.8343 and R2 value of 0.83. The simulation shows that the potential discharge from local river contributes about 21.64% of the total discharge that enters  into the reservoir with monthly dependable flow for power plants, Q80 and Q85 values at 8,23 m3/s and 5,69 m3/s, respectively. The average discharge of local rivers can generate electricity of 3.89 MW - 162 MW.Keywords: Local discharge, rainfall runoff, potential discharge, Saguling reservoir
Penentuan Jaringan Sumur Pantau Primer Dengan Metode Inverse Distance Weighting Di Cekungan Air Tanah Jakarta Wulan Seizarwati; Derry Prasetya
JURNAL SUMBER DAYA AIR Vol 15, No 2 (2019)
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.v15i2.503

Abstract

The increasing demand of raw water in DKI Jakarta has caused excessive groundwater abstraction. It causes the groundwater level drop to certain level and has emerged cone of depression in some areas. Groundwater management as an effort to recover the groundwater level, requires an integrated groundwater monitoring system. Recently, there are approximately 161 groundwater monitoring wells in Jakarta groundwater basin. Those wells are generally categorized as secondary network, since determined by groundwater abstraction activity. Meanwhile, a representative primary network to monitor the natural condition of groundwater in each aquifer layer is not yet available completely. The method of Inverse Distance Weighting (IDW) spatial estimation is applied to determine the number and distribution of primary monitoring wells based on aquifer geometry using Groundwater Modeling System (GMS) software. Based on the aquifer geometry, it can be arranged monitoring zones and the number of monitoring wells in each zone. There are 9 monitoring zones in Jakarta groundwater basin consist of 1 zone with 1 monitoring well, 2 zones with 2 monitoring wells, 3 zones with 3 monitoring wells, and 3 zones with 4 monitoring wells, so that the total of primary monitoring wells for groundwater monitoring in Jakarta groundwater basin is 26 monitoring wells. This research is expected to be useful for stakeholders to optimize the representative monitoring wells network based on aquifer geometry in sustainable groundwater management.
Aplikasi Metode Pemisahan Aliran Dasar Berbasis Grafis Digital: Studi Pendahuluan Di Wilayah DAS Brantas indarto indarto; Nur Defitri Herlinda
JURNAL SUMBER DAYA AIR Vol 16, No 1 (2020)
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.v16i1.487

Abstract

The estimation of baseflow is a crucial task for water resources management. This research aimed to calibrate, validate, and evaluate the performance of the digital graphical method to separate baseflow. Two outlets of Brantas watersheds located at Kertosono (±6414,2 km2)  and Ploso (± 8844,2 km2) were used for this study. This study used three digital graphics filters known as a local-minimum, fixed-interval and sliding-interval. The methodology consists of (1) data inventory, (2) data processing, (3) calibration, (4) validation, and (5) evaluating of models performance.  Daily discharge data were separated into two periods, from  1996 to 2005 for the calibration and from 2006 to 2015 for the validation. Firstly, each method was tested annually by entering parameter values through trial and error. The period from July to September is considered as the peak of dry seasons and used to calibrate.  The optimal values of parameters for calibration obtained by Averaging yearly values.  Secondly, the optimal values from calibration are then used to test the model during the validation. Furthermore, statistical analysis was used to compare model performance during calibration and validation.  Results show that the three methods could be used and perform well; however, the best performance is a local-minimum method.Keywords: Baseflow, separation, graphical-method, digital-filter, Brantas
Penentuan Ambang Curah Hujan untuk Memprediksi Kejadian Longsor Rokhmat Hidayat; Avidah Amalia Zahro
JURNAL SUMBER DAYA AIR Vol 16, No 1 (2020)
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.v16i1.483

Abstract

The mayority of landslide occur due to high rainfall in certain time in areas that have geological potential landslides. Therefore, it is necessary to conduct a research on rainfall characteristics that trigger landslides. So that, it can be used to establish the relationship between rainfall and predicted landslides. This research is aimed to analyze and determine the daily and 3 days rainfall thresholds used for landslides early warning system (LEWS). The case study is placed in both very high risks and high area landslide areas, based on the ground motion maps of the Geological Agency. The analysis was done based on landslide event data from BNPB, as well as TRMM (Tropical Rainfall Measuring Mission) and ECMWF (The European Center for Medium-Range Weather Forecasts) rainfall data. Identification of the rain trigger values from the TRMM rain data was done after collecting landslide incidents at various locations.. The results show that the rainfall threshold values are 61 mm per day and 91 mm per 3 days Keywords:  Rainfall treshold,landslide prediction, TRMM, ECMWF

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