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Jurnal Teknik Pengairan: Journal of Water Resources Engineering
Published by Universitas Brawijaya
ISSN : 20861761     EISSN : 24776068     DOI : 10.21776
Core Subject : Engineering,
Engineering
Jurnal Teknik Pengairan is a scientific journal published regularly twice per year by Faculty of Engineering, Universitas Brawijaya. The paper submitted in this journal covers the fields of Water Resources Information System, Water Resources Conservation, Water Resources Utilization and Efficiency, Water Structure Engineering Planning and Water Resources Engineering Basic Knowledge. The submitted paper can be a summary of research reports or scientific literature review. The language used in this journal is either English or Indonesian.
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Articles 14 Documents
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Search results for , issue "Vol 5, No 1 (2014)" : 14 Documents clear
Upaya Konservasi Waduk Selorejo Berdasarkan Perkembangan Peta Penggunaan Lahan Dalam Kurun Waktu Tahun 2000–2011 Yudiarso, Rendra Arif; Suhartanto, Ery; Soetopo, Widandi
Jurnal Teknik Pengairan Vol 5, No 1 (2014)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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Abstract

Selorejo Reservoir is managed by the Perum Jasatirta I. Selorejo reservoir was planned for 50 years in effective usage. By the end year of 2010 this reservoir has been operated for 38 years. This study was conducted to determine the amount of sediment inflow into the reservoir, how many year the effective usage of Selorejo reservoir is still remain, and the conservation efforts are made to maintain the effective usage of the reservoir. The Estimation of erosion rates is calculated by the AVSWAT 2000’s model approach and calculate the Reservoir’s effective by the Linsley empirical equation. With the Brunne efficiency trap method obtained the rest of reservoir effective usage is about 10.99 years ( from 12 years rest of the Reservoir effective usage). Another empirical approach with the Churchill efficiency trap method obtained the rest of reservoir effective usage is about 17.66 years. Based on the Brunne efficiency trap method calculation, the Reservoir effective usage can not reached. short-term Reservoir conservation effort can reduce the sediment about 85.55 % each year with 5.05 billion in cost, the medium term can reduce the sediment about 4:03 % each year with 12.2 billion in implementation and OM cost, and the long-term can reduce the sediment 63.9 % each year. Based on the percentage of sediment reduction, the budget plan costs, and the direct benefits that can be perceived, so the short-term alternative can be used as the priority for reservoir management.Keywords: AVSWAT 2000, Reservoir’s effective time, Conservation.
Studi Pengendalian Banjir Kali Wrati Kabupaten Pasuruan K., Rizal Arifuddin; Harisuseno, Donny; Dermawan, Very
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Wrati River is a collector of Sangar River, Nyangkring River, Pagak River, and Bangiltak River, that located in Beji Sub Regency, Pasuruan Regency, East Java Province. Inundation in settlement and agricultural areas that caused by flood from Wrati River is a problem that occurs every rainy season. This study aims to determine the return period of flood and the alternative of flood control system. Result of the study shows that the amount of Wrati River’s flood is 17,294 m /s equal to return period 25-year flood discharge. The first alternative of flood control system by using Hydrologic Engineering Centers River Analysis System 4.1 (HEC-RAS 4.1) are river normalization and dyke construction that is combined with interconnection between Wrati River and Bangiltak River. Interconnection are connected by two side weirs in Stations 125 and Stations 165 with 5-m-wide and 9-m-wide, which discharge capacity are 14 m 3 /s and 30 m /s. The second alternative of flood control system is constructing two retarding basins. Capacity of the retarding basins are 1.603.425,65 m 3 3 and 3.201.424,83 m 3 .Keyword: flood control, river, interconnection, retarding basin, HEC-RAS
Analisa Status Mutu Air Dan Daya Tampung Beban Pencemaran Sungai Wanggu Kota Kendari Sahabuddin, Hartina; Harisuseno, Donny; Yuliani, Emma
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

This study aims to determine the water quality in the Wanggu river of the upstream, midstream and downstream . Decrease quality of water in the Wanggu river each year has increased due to changes over the function in using land until occur of water pollution.The study was conducted in April and May 2013, the measurement of water quality in the River Wanggu there are 10 parameters in measuring the temperature , TDS , TSS , pH , BOD , COD , DO , Nitrate , Nitrite and Mn and also uses secondary data . Parameters TDS , TSS , COD and BOD are increasing every year. The status of water quality in the Wanggu river was Determined by using the method of STORET, Wanggu river has been heavily polluted and Pollution Index method had moderately polluted. For the calculation of Pollution Load Capacity in Wanggu river does not have the capacity anymore to increase the BOD parameters required water pollution control strategies. Wanggu river as a potential source of raw water can be used as a clean water source for the future of kendari city residentsKeywords: Water quality,, Methods STORET, Pollution Index Method, Pollution Load Capacity.
Studi Pemulihan Fungsi Das Berdasarkan Tingkat Kekritisan Lahan Dan Potensi Kelongsoran Di Sub Das Jeneberang Hulu Nurdin, Fajar Arif; Bisri, Mohammad; Rispiningtati, Rispiningtati; Priyantoro, Dwi
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Watershead management is a serious problem because of increasing number of critical land as the impact of land management that is not accordance with its ability and not accompanied by efforts of conserve soil and water, and also changes in patterns of land use vegetated. Sub watershed of upstream jeneberang with area 38.552 ha located on the upstream of the Dam Bilibili have problems of watershed damage that is erosion and landslides are an indicator of failure in managing the natural resources that have a public benefit. Based on the analysis result of AVSWAT 2000 showed amount of land area that has an erosion rate in class V (>480 tons/ha/year) reached 3.390,21 ha (8.79% of the total sub watershed upstream jeneberang). Then, from the result of classification susceptibility/degradation level in watershed upstream Jeneberang, obtained critical area of high category 5.820,98 ha (15,11%). The amount of critical land dominated by the land use, open land and garden. Whereas for landslide susceptibility levels, obtained the land area is prone to landslides covering an area of 9.819,36 ha (25,47%) in area with slope class 26-45% and 46-65%. Efforts completion of the real problems in the field is done within depth consideration of the characteristics of the watershed upstream. Recommendations is the form of proposed activities is expected to provide a framework and a common perception that fasilitate the stakeholders to cooperate in an effort of utilization and conservation of natural resources effectively and efficiently to improve the ecosystem stability and prosperity of the community and also preservation of the integrity of watershed function.Keywords: Watershed management, AVSWAT 2000, Erosion, Landslide, Conservation.
Kajian Kemampuan Maksimum Danau Sentani Dalam Mereduksi Banjir Di DAS Sentani Fauzi, Mohammad; Rispiningtati, Rispiningtati; Hendrawan, Andre Primantyo
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Lake Sentani which located at Jayapura Regency is known as one of largest and most beautiful lakes in the province of Papua . About 14 rivers is flowing into Lake Sentani, thus one of its main functions is as a flood catchment. Based on the research conducted by Balai Wilayah Sungai Papua in 2012, it can be measured that the capacity of Lake Sentani is equal to 4.821.49 million m .The aim of this research is to analyze the flood discharge into Lake Sentani caused by land use changes from the use for every 3 years (2007, 2010 and 2012). The simulation of the flood discharge at the outlet and flood routing was made using the Muskingum method.From the analysis, it is shown that the discharge at outlet (Qout) was less than the discharge from inflow (Qin) as a result of simulation. The flood reduction (which was formed as a percentage) can be calculated as a ratio between the differences of (Qin - Qout) and inflow discharge (Qin). By this formula, it can be calculated that the average of flood reductions were 86,18% (2007), 86,22% (2010) and 86,23% (2012), by using simulation from eight different Return Period Discharge (Q2 to Q1000). Thus it can be concluded that Lake Sentani still has an adequate capacity to reduce flooding from the upstream zone of Sentani Catchment Area.From the results, it is found that the flood discharge is affected by the changes of catchment area and land use. Under these changes, the runoff coefficient will be changed as well.Keywords: Maximum Capacity, Flood Discharge, Flood Reduction
Studi Analisis Spasial Infiltrasi Di Das Kali Bodo Kabupaten Malang Indarwati, Deni; Suhardjono, Suhardjono; Harisuseno, Donny
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Infiltration process is one of the important processes in the hydrological cycle due to infiltration of determining the amount of rain water that seeped into the soil directly. This study aims to obtain mapping potential infiltration and recharge area. The approach used is KINEROS model, where the model was calibrated with field measurements using a turf-tec infiltrometer and tested with NSE statistical methods. Calibration results obtained after trial and error changes on three basic parameters in the model KINEROS, namely K (hydraulic conductivity of the soil), Gs (impulse capillary) and Por (porosity), also on the parameters of the Manning coefficient. After a change of 50% Manning coefficient and 75% value K, Gs and Por, test results obtained NSE = 0.460 which means that the model results are acceptable, and can be followed by a map showing the infiltration rate for and is used to determine the condition of the watershed Bodo.Key words: Infiltration, KINEROS, calibration.
Studi Potensi Tanah Longsor Dan Upaya Pengendaliannya Di Wilayah Sub DAS Konto Hulu Darmawan, Arif Rahmad; Sholichin, Mohammad; Limantara, Lily Montarcih; Andawayanti, Ussy
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Landslides often occur in the Upper Konto sub watershed. To anticipate the future landslide, the landslide susceptibility map was made that show the landslide potential areas. Eight thematic maps as landslide susceptibility formula parameters used to develop a landslide susceptibility map that includes three daily maximum cumulative rainfall, slope, geology rocks, the presence of faults, regolith soil depth, land use, the presence of road infrastructure, and population density. Determination of susceptibility value is the sum of the multiplying of scores for each parameter with the weight of each parameter. Based on the value of vulnerability, landslide susceptibility maps generated from the overlay analysis of the multiplication results of the score and weight of the eighth parameters with the Geographic Information Systems (GIS)program. The results of this study is the potential for landslides in the Upper Konto sub watershed consists of not susceptible at 1.24%, slightly susceptible at 12.12%, moderatelysusceptible 84.17%, and susceptible at 2.38%, so do very vulnerable while there but very small. Landslide control efforts can be divided into short-term treatment with mechanical methods in accordance with the level of susceptibility and long-term treatment with vegetative methods in accordance with the area function and the level of susceptibility.Keyword: potential landslides, landslide susceptibility formula, control efforts
Studi Pegendalian Banjir Di Kecamatan Kepanjen Dengan Sumur Resapan Rachman, Rizka Aditya; Suhardjono, Suhardjono; Juwono, Pitojo Tri
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The result of the study show the big of the planning debit system SUB 39 and SUB for the five years period each big are 0.0921 m 3 /second and 0.068 m /second. They found 19 drainage those cannot intercept planning debit at SUB 39 and 14 Drainage at SUB 42. Some cause of accident that cannot intercept the planning debit is that the lack of maintenance and getting many kind of rubbish at the drainage canal. The efforts to handle the drainage that are able to intercept planning debit by making new design the canal dimension and planning individual infiltration well.the form of infiltration well was circle with a diameter 1 m and a depth 3 m by 619 pieces off all infiltration well. Beside handling the design also making the handling recommendation totally about the government wisdoms at that region which should taking part of region societies and resembling to the using societies efficiently in keeping the canal of drainage, developing the well absorption at every home also getting permit in standing building.Keyword: Dainage System, Flood, Infiltration well
Kajian Pengendalian Laju Sedimen Dengan Bangunan Pengendali Di DAS Hulu Batang Gadis Propinsi Sumatera Utara Kaharuddin, Kaharuddin; Bisri, Mohammad; Juwono, Pitojo Tri
Jurnal Teknik Pengairan Vol 5, No 1 (2014)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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Abstract

Hulu Batang Gadis Watershed is located in the district of Mandailing Natal province of North Sumatra . The rate of erosion in the watershed upstream Batang Gadis last 3 years has increased , it can be seen from the results of the analysis and calculation of the rate of erosion USLE method which in 2008 amounted to 307 285 tonnes / ha / year , in 2010 amounted to 318 482 tonnes / ha / year , Year 2012 of 385 336 tonnes / ha / year . This indicates an increase in the rate of erosion in 2008 - 2012 at 20:26% .. The rate of soil erosion hazard and criticality criteria of 1.41% Very Light , Light 10.92% , 17.76% Medium , Heavy and Very Heavy 49.59% ,20.32% . The results depend on the amount of sediment erosion in the watershed / sub-watershed .. Currently sediment issues have an impact on the downstream watershed upstream Batang Gadis ie the number of incoming sediment kesaluran irrigation and river silting . One attempt to overcome this problem is by building sediment control in the form of Check Dam . In this research study conducted as the proposed construction of sediment control 33 Check Dam . Successful achievement of development can reduce sediment control sediment 90.91% on average of all the bin capacity Chek Dam , while by means of sediment routing can reduce sediment by 97.39% with the operation of the check dam for 3 years . In addition to building pendali also recommended handling a land conservation treatment with a wide landing area function Buffer Zone 59.28% , Budi Region 4.57% Annual Plants , Cultivation Region Annuals 36.15% . The arrangement of the achievements of the region is a big impact on the land eroded soil erosion is very heavy 20.32% of basin area upstream Batang Gadis be 1.83% .Keyword: Erosion, sedimentation, controle structure, conservation
Analisis Efektifitas Instalasi Pengolahan Limbah Lindi Di TPA Supit Urang Kota Malang Saleh, Chairil; Purnomo, Hendro
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Leachate is the liquid waste as consequence of water which flow into the influx of external water into the embankment of waste / garbage and then rinsed and dissolved the material in the embankment, so it has a variety of organic and inorganic pollutants.Leachate sewage treatment instalation is a the installation that processed waste leachate in order not to contaminate the environment of the river. The negative impact of leachate is to killed an existing biota in of the river, groundwater contamination, especially in the areas where rainfall and high soil water level. This study was conducted at the landfill Supit Urang in the Village Mulyorejo with 19.6 hectares. Waste disposed to Supit Urang landfill approximately ± 400 tons / day, and area of 75% of the total area has been filled with garbage. It has the potential to generate leachate wastewater. Therefore, it is required the leachate treatment waste installation that is storage ponds, consisting of stabilization ponds, aeration ponds and pools maturisasi waste leachate. The objective of this study was to determine the effectiveness of waste leachate treatment facility.The capacity of the reservoir pondswas determined by the discharge of leachate and leachate production. Effectiveness of the sewage treatment plant was determined by reduction in the quality of leachate as decreased content of COD and BOD from the waste dumped in landfill Supit Urang.Result showed that there wasthe leachate discharge obtained 9.43 m3/day and leachate production was 0.8 m3/day. Before entering the waste leachate, the content of COD = 8960 mg / l and BOD 5 = 3968.293 mg / l of leachate treatment plant. Before sewage treatment plants, the content of COD = 298.67 mg / l and BOD = 88.18 mg / l. Thus the effectiveness of the leachate treatment plant, COD and BOD can reduce 97%..From the processing of waste leachate treatment plant already appropriate with the water quality standards according to Keputusan Menteri No. 03 /1991 which includes group III.Keywords: Leachate, leachate treatment sewage instalation, COD and BOD 5

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