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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 364 Documents
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Studi Identifikasi Indeks Kekeringan Hidrologis Pada Daerah Aliran Sungai (DAS) Berbasis Sistem Informasi Geografis (SIG) (Studi Kasus pada DAS Brantas Hulu : Sub-DAS Upper Brantas, Sub-DAS Amprong dan Sub-DAS Bangosari) Sholikhati, Ima; Harisuseno, Donny; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Drought is a natural hazard which is characterized by the scarcity of water. Drought disaster management with non-structural approach through drought monitoring with drought spatial information in monthly drought index map and temporal information for each region in sub-watershed. The location of research is Upstream Brantas River Basin which is divided into 3 (three) sub catchments supplemented with 12 (twelve) selected rainfall stations capable of sending real-time daily rainfall data. The analysis of this drought uses Thornthwaite and Mather’s (1957) method, which is an index to inform the drought rate of a region by using water balance parameter. Result of study indicates that the biggest drought index is found in years of 1991, 1994, 1997, 2002 and 2008 (during the happening of El-Nino) from July to October. This high drought index seems following the decrease of the discharge at Gadang AWLR in those years.Keywords: Drought Index, Thornthwaite, El-Nino, Water Balance, Climate Change
Analisa Kuantitas Dan Kualitas Airtanah Di Kabupaten Mojokerto Pranowo, Harri; Sholichin, Moh.; Montarcih, Lily
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Groundwater is one of the many alternative sources of water that has a large quantity and good quality. In the research area at Mojokerto regency, groundwater utilizing for irrigation but the use is limited, so it doesn’t cause environmental damage. This study aims to determine the quantity and quality of groundwater within the aquifer test, well test, and groundwater chemical test. For the aquifer test, this study use Long Period Test method to determine the type of flow between the steady state flow or unsteady state flow with the characteristics of confined aquifer, for well test in this research use step test method or step drawdown test method to determine the ability of wells production and the water quality test to determine the groundwater chemical characteristics with wilcox diagram and trilinier piper method with Aquachem 2011.1 demo version software. The results on the Mojokerto deep well (SDMJ) with an average depth of 100m - 120m including confined aquifer type, the existing discharge between 1.00 ltr / sec to 14.00 liters / sec, discharge potential between 2.33 ltr / sec to 33.07 liters / sec, optimum discharge between 3.90 ltr / sec to 19.80 liters / sec, for transmissivity values between 132.489 m 2 /day to 2047.140 m 2 /day, for the value of sea water intrusion (R) between 0.0727 meq / liter - 0.26027 meq / liter, on wilcox diagram the quality of water is in the (C2-S1) groups – with classification "Good" for agriculture. From the research result, the average quantity and the quality of groundwater wells pump is very good for agriculture.Keyword : Groundwater quality and quantity, aquifers, wells discharge, groundwater chemical, Aquachem version 2011.1 (demo version).
Incorporation Groundwater Recharge with AVSWAT Model Streamflow by Using Water Table Fluctuation Rahayuningtyas, Christina; Wu, Ray Shyan; Anwar, Ruslin
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

This research investigated contribution of sustainable management water resources in the Upstream Lesti Watershed. The main objective of this research predicted recharge of groundwater using water table fluctuation (WTF). The groundwater recharge prediction will be added as a result from deep aquifer with the performance of AVSWAT (Arc View Soil Water Assesment Tool) model by comparing observed streamflows with simulated streamflows at outlet. The water table fluctuation method from 4 well was used in the Upstream Lesti Watershed to evaluate seasonal and annual variations in water level rise and to estimate the groundwater recharge prediction (deep aquifer). Based on standard values of specific yield and water level rise, the groundwater recharge prediction from the Upstream Lesti Watershed at the outlet of sub basin 39 was 736 mm in 2007; 820,9 mm in 2008; 786,7 mm in 2009; and 306,4 mm in 2010, respectively.Keyword : AVSWAT, Groundwater Recharge, Water Table Fluctuation, Streamflow
Studi Ketersediaan Airtanah Guna Menentukan Pola Pemberian Air Untuk Kebutuhan Irigasi Di Kecamatan Mojosari Kabupaten Mojokerto Hariyadi, Achmad; Bisri, Mohammad; Limantara, Lily Montarcih; Sayekti, Rini Wahyu
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Groundwater is currently one of the alternative to meet the needs of irrigation water. In the Mojosari District there is no surface water irrigation system and there are 7 production wells with 261.33 hectares of agricultural land. How the performance of wells producing seen from the C, Fd and T with wells test and aquifer test. How the pattern schedule of groundwater with rotation method. The aim of this study to plan the pattern schedule of water delivery system with reference to the of the existing plant pattern in Mojosari District.Based on the availability of existing groundwater on the 7 production wells, the first DI Menanggal SDMJ 113 Q = 14 l / dt, A = 20ha (2 blocks), Q planting I 15.39 l / dt (91%), continuously, Q planting II 46.77 l / dt and III Q = 39.76 l / dt (31% and 35%), rotation. Second DI Belahan Tengah SDMJ 521.410 Q = 28 l / dt, A = 92.67 ha (4 blocks), Q planting I 71.31 l / dt, II Q = 212.09 l / dt and III Q = 184.23 l / dt (39%, 13% and 15%), rotationally. Third DI Mojosulur SDMJ 473, 461 Q = 32 l / sec), A = 57ha (4 blocks), Q planting I 43.86 l / dt (73%), rotationally, cropping Q II 130.45 l / dt and III Q = 113.32 l / dt (25% and 28%), rotationally. Fourth source DI Sumber Tanggul SDMJ 283 Q = 12 l / s, A = 50 ha (4 blocks), Q planting I 38.47 l / dt (69%), rotationally, cropping Q II 114.43 l / dt and III Q = 99.40 l / dt (23% and 27%), rotationally. Fifth DI Randubango SDMJ 551 Q = 30 l / s, A = 39 ha (3 blocks), Q planting I 30.01 l / sec (100%), continuously, Q planting II 89.26 l / dt and III Q = 77.53 l / dt (34% and 39%), rotationally. Based on the 7 wells discharge production, the availability of groundwater discharge is sufficient for the needs of irrigation in the district of Mojosari with rotation method.Keywords: existing discharge, wells test, aquifers test, water delivery systems, rotation.
Analisa Koefisien Biaya Pekerjaan Pembesihan Dan Cetakan Beton Sesuai Penerapan Rencana Anggaran Pelaksanaan Sutirto, Sutirto
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Reinforced concrete unit price is influenced by the weight of steel reinforcement and concrete molds. Consumption coefficient factor 1 m3 concrete steel reinforcement seen from the use of reinforcement factor corresponding coefficient analysis list Bakhtiar Ibrahim, 1996 and Burgerlijke Open bare Werken (BOW), J. A. Muko - Muko, 1995, which is tied as the denominator vareabel weighing 110 kg/m3. Calculation results 1 m3 of concrete iron needs by operation as the numerator, that will get the value of the index coefficient analysis for concrete work. From the results koefiseien index value multiplied by all the coefficients contained in the analytical use of reinforcement or BOW Bakhtiar. This result will be a factor coefficients are used as the basis for calculation of unit price analysis used iron as needed according to the picture implementationKeywords : variable, use of reinforcement, formwork, the value of the coefficient
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

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