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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 Penentuan Status Mutu Air Di Sungai Surabaya Untuk Keperluan Bahan Baku Air Minum Citri Priyono, Thesa Septine; Yuliani, Emma; Sayekti, Rini Wahyu
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The water of Surabaya River is the raw material of drinking water and one of water supply source for PDAM Surabaya. Over the last ten years pollution in Surabaya River is worsened. Pollution not only from domestic waste but also from existing industries around Surabaya River. This study aimed to determine the status of water quality in the Surabaya River. Determination water quality status in the Surabaya River conducted to closest monitoring station to the PDAM Waste Water Treatment Karangpilang. They are Cangkir Tambangan Monitoring Station, Bambe Tambangan Monitoring Stations, and Karangpilang Monitoring Station. The method used for the determination of water quality status are STORET and Pollution Index Method. Analysis of water quality status determination aims to determine the level of impurity in the nearest monitoring station. From the research it can be concluded, water quality status in Surabaya River is 49.44% heavily polluted by STORET for grade two. While 100% is being polluted by Pollution Index Method for grade two.Keywords: Water Quality Status, STORET, Pollution Index Method, Surabaya River
Status Trofik Dan Daya Tampung Beban Pencemaran Waduk Sutami Juantari, Gilang Y.; Sayekti, Rini Wahyu; Harisuseno, Donny
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Sutami reservoir water quality declined due to the high character of organic waste disposal. This degradation is attributed by contamination due to natural erosion and agricultural waste, is also due to the entry of domestic waste (household) and industrial waste in upstream reservoirs Sutami. The addition of organic and inorganic materials in the form of waste into the reservoir in addition to changing the chemical composition of water, also affects the biological properties of these waters.The purpose of this study was to determine the load capacity of pollution that occurred in the reservoir Sutami and trophic status based on the Regulation of the Minister of Environment No. 28 of 2009.The study was conducted in the reservoir Sutami using primary and secondary data. Sampling locations in the central part of the reservoir at a depth of 0.3 m and 5 m and the lower reaches of the reservoir at a depth of 0.3 m and 10 m. Observed variables include levels of P (Phosphorus), water clarity, and Chlorophyll-a is contained in water reservoirs Sutami. Chlorophyll-a and the brightness of the water obtained from the sampling process independently, while the number of secondary data from phosphorus (P) obtained from Perum Jasa Tirta I from January 2010 until May of 2011. The data obtained were analyzed with descriptive statistics showing the average and standard deviation.The results showed that the condition of the water reservoir was contaminated Sutami in moderate to severe, both in the location of reservoirs upstream and downstream reservoirs. Trophic status of reservoirs Sutami is eutrofik to hypertrophic occurs on the downstream and middle reservoirs. Impacts arising from pollution levels that occur in the Sutami reservoir is the potential for algae bloom due to the high amount of phosphorus and chlorophyll-a. Load carrying capacity of the reservoir pollution Sutami for total phosphorus (kg / year) at the upstream location; 39 kg P / year, the middle; 195 kg P / year and downstream; 178.5 kg P / year.Keywords: pollution, trophic status, chlorophyll-a, reservoirs Sutami
Model-Model Pembangkitan Data Sintetis Untuk Curah Hujan Harian Di Wilayah Brantas Tengah Soetopo, Widandi; Limantara, Lily Montarcih; Sayekti, Rini Wahyu; Purwati, Endang; Chandrasasi, Dian; Ilham, Muhammad; Rahmadi, Agung
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

This research is for finding the suitable the synthetic data generating model for daily rainfall in the region of Middle Brantas River Basin in the East Java Province. There are 7 models being considered, 4 models for single-site generation, (1) the two-part, model group, (2) the transition probability matrix model group, (3) the resampling model group, and (4) the time series model group, and 3 models for multisite generation, (5) the conditional, model group, (6) the extension of single site Markov chain model group, and (7) the random cascade model group. All of the time-series produced by the daily rainfall synthetic data generation are then tested statistically. The results show that statistically the differences between the historical time series and the synthetically time series are not too significant. It turn out that the multisite model have produced better synthetic time series compared to those which have been produced by the single-site models.Keywords: generating model, synthetic data, daily rainfall.
Uji Model Fisik Kapasitas Aliran Pada Lubang Pengisian Tampungan Di Bawah Saluran Drainasi (Underdrain Box Storage) Kuncoro, Yudo Tri; Sisinggih, Dian; Priyantoro, Dwi
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

This paper discusses the results of a physical modelling of drainage channel where the holes at the bottom were arranged along the channel to fill the storage underneath. This research could be the initial step to get a formulation of flow capacity through drainage channel’s orifice, and expected to push further research. The results show that it is necessary take corrections to the formulation of flow through an orifice of tank in order to estimate flow through an orifice with horizontal flow. Formulation of flow capacity through orifice with horizontal flow above can be approximated by the relationship curves between Fr (Froude) and Q 2 / (h 1 5 .g) 1/2 as well as between Fr and a/h1 2Keywords: physical modelling, flow capacity, underdrain box storage
Analisis Perubahan Tataguna Lahan Terhadap Usia Bendungan Tilong Di Das Tilong Kabupaten Kupang Propinsi Ntt Fallo, Yunus; Rispiningtati, Rispiningtati; Harisuseno, Donny
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The forest degradation rate reached 2,83 million ha every year. From the total forest area of 120,5 million ha, about 59 million ha were critical areas. Besides, the critical Watersheds ini Indonesia increased. The watershed conservation efforts had brought motivation to develop the erosion estimation technologies that could assist in solving the erosion rate estimation problems spatially. The study was carried out at Tilong Watershed, Kupang Regency of NTT Province. The results showed that the value of erosion rate in Tilong Watershed area with existing (year 2010) land utilization condition was 25.428,155 ton/year where the Tilong Watershed total wide was 4.948,75 Ha. Whereas the sediment potential was 7.319,524 ton/year. The Erosion Danger Level was 74,62 %. One of the assumptions why the land erosion rate was very high was because of the misuse of the land in that area. To control the erosion rate, focussed to the recommendation of land utilization direction that referred to The Soil Conservation and Rehabilitation Program (ARLKT) and building of 8 check dam. Meanwhile, the land utilization should notice The RTRW and the cooperation between local inhabitant and the government was needed indeed in the soil conservation and land rehabilitation efforts.Key Words : Erosion, Sediment, Check Dam, GIS
Kajian Penataan Saluran Drainase Berdasarkan Rencana Tata Guna Lahan Kota Kepanjen Kabupaten Malang Cahyono, Dwi Adi; Masrevaniah, Aniek; Dwi Priyantoro, Dwi Priyantoro
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Kepanjen is the capital city of Malang regency which grows rapidly alongwith requirements of city need solution use that require special handling for a drainage system that can control the flood by utilizing the existing space. Using the data of year 1998, 2002, 2006, 2010, it is obtained the discharge plant for the year of 1998 was up to 41.812 m 3 /second, in 2002 was up to 50.230m 3 /second, in 2006 was up to 59.178 m /second, in 2010 was to 72.363 m 3 /second, from program analysis by minitab 16 Quadratic Trend Model obtained for 2022 are 124 m 3 /second discharge plan. To finish up the issues raised was done by normalization channel along 38.639 m = 38,6 km, create a new channel along 18.713 m = 18,7 km, load reduction along 615 m = 0,6 km, high rice channel planning along 15.872 m = 15,9 km, so 100% can reduce flood volume on each channel for the year 2022.Keyword : Land Use, To Plan Trend Debit, Flood Prevention
Studi Penentuan Skala Prioritas Berdasarkan Kinerja Jaringan Irigasi Pada Jaringan Irigasi Batujai, Gde Bongoh, Dan Sidemen Di Kabupaten Lombok Tengah Supriyono, Supriyono; Rispiningtati, Rispiningtati; Montarcih, Lily; 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

West Nusa Tenggara Province is a national food barn, and it is not surprising because of most people in this province are working in agriculture sector. The Ministry of Public Work, through its Public Work Official at West Nusa Tenggara Province and also River Region Bureau of West Nusa Tenggara I, has allocated the budget to finance the irrigation network every year in order to improve agriculture production. This research is a case study of the performance of the irrigation network. The performance is measured to help the determination of the priority scale of the management of irrigation network. The study area is located at irrigation regions of Batujai, Gde Bongoh and Sidemen. These three regions are under the work region of Water Official of Central Lombok District. Batujai irrigation network has 3,315 ha wide with water sufficiency rate (Factor K) of 58.33 %. Gde Bongoh irrigation network has 2,644 ha wide with water sufficiency rate of 66.67 %. Sidemen irrigation network has 3,315 ha wide with water sufficiency rate of 95.83 %. The assessment methods are based on The Decree of The Minister of Public Work No.32/PRT/M/2007. Result of the assessment indicates that Batujai and Gde Bongoh irrigation network are in low performance category with the point 65,67% and 67,60% respectively.Therefore that need improvement on the area of increase the field of personnel management and organizational management of Farmer Water User Association (P3A). Whereas Sidemen irrigation network is in good performance category with the point of 73.68 %.Keywords: Priority Scale, Factor K, Water Sufficiency, Irrigation Performance
Studi Kerentanan Air Tanah Terhadap Kontaminan Di Cekungan Airtanah Negara Kabupaten Jembrana Provinsi Bali Frederich Gunawan, Wayan Andi; Sisinggih, Dian; Dermawan, Very
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The government of Jembrana Regency will exploit the groundwater to develop area potency. Seven thematic maps of the DRASTIC and SINTACS method were developed in order to asses the vulnerability of groundwater to contaminate and these include the depth to water table, recharge, aquifer media, soil media, topography, impact of vadose zone and hydraulic conductivity. Determination of the DRASTIC Index (DI) and SINTACS Index (SI) was done by multiplaying each parameter weight by its value rating and summing the total. Based on DI and SI values, a groundwater vulnerability map was produced using a Geographical Information System (GIS). The Result of this research is groundwater vulnerability in Negara groundwater basin consisted of medium to very high groundwater vulnerability. SINTACS Method is more suitable with the parameter of research location. The result of this research shown that Medium vulnerability is in a part of north Negara ground water basin, while in south area is dominated by high vulnerability level. It is mean that the parameter is give significant impact to the value are included recharge, soil media and topography. Jembrana regency area especially in north area is needed special treatment due to high potency of groundwater vulnerability.Keyword : Groundwater vulnerability, DRASTIC, SINTACS .
Studi Penentuan Kinerja Pengelolaan Das Di Sub Das Konto Hulu Wibowo, Anggara Cahyo; Sayekti, Rini Wahyu; Rispiningtati, Rispiningtati
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

At the Sub Konto watershed upstream, Malang Regency, the success of watershed management was certainly related to the analysis of watershed sustainability performance indicators. Key performance indicators of sustainable management of watersheds in the region was covered environmental sustainability (land use and water management) as well as the sustainability of social, economic, and institutional. Therefore, an increase in cultivation area function requires integrated planning that some watershed management goals and objectives achieved, such as: 1) soil erosion control, 2) optimal water yield, and 3) productivity and carrying capacity of the land preserved. Thus land degradation can be controlled and wellbeing of the community can be assured. The purpose of this study was to determine the performance of sustainability in watershed management upstream Sub Konto watershed, and to know the results of the classification index parameters examined include land cover, land use suitability, erosion index, coefficient of river regime, the coefficient of variance, index of water use, sedimentation, runoff coefficient in Sub Konto watershed upstream. From this study it can be seen the results of the classification and calculation of the average in 2003 - 2012 include indices for land cover classification were 45.71% medium, the suitability of the land use classification of 85.21% good, erosion index of 85.98 classifications medium, the coefficient regime river classification either 8.88 good, coefficient variance of 0.18 medium, classification, water use index of 0.34 good classification, sedimentation of 2.23 medium classification ,runoff coefficient of 0.52 bad classification on the Sub Konto watershed upstream.Keywords: DAS, erosion, land use
Studi Optimasi Distribusi Air Irigasi Di Daerah Irigasi Lodoyo Ekorini, Lucky Dyah; Limantara, Lily Montarcih; 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

Lodoyo Irrigation Area covers two districts namely Blitar and Tulungagung. Irrigation Area Lodoyo itself has intakes in Dam Wlingi in Blitar. Wlingi dam located on the Brantas River in the Village District Jegu Sutojayan Blitar ± 30 km in the downstream dam Sutami. The expected benefits and purpose of the construction of this dam is Wlingi Raya for the supply of irrigation water and generate hydropower. Irrigated area has a wide DI Lodoyo raw rice 12,219 ha, comprising 12 204 irrigation and 15 ha for ponds. Types of crops grown in the area of DI Lodoyo for each growing season are: (1) rainy season, planting season I: Rice - Crops; (2) Dry Season I, II Planting season: Rice - Crops; (3) Dry Season II, Planting season III: Rice - Crop. While the availability of discharge in irrigated areas Lodoyo is based on the availability of existing discharge in the Brantas River, in this case is Wlingi Reservoir catchment. Based on the results of the optimization analysis conducted extensive rice plants obtained optimum results: in dry conditions 4,041 ha, 4,242 ha under normal conditions;, in wet conditions: 4,682 ha. While the results of the maximum benefit in dry conditions Rp. 58,780,404,629.00; under normal conditions Rp. 59,792,367,463.00;, in wet conditions Rp. 62,009,795,069.00. To obtain the results of the sensitivity analysis results are sensitive land: in dry conditions between 2844-15359 ha; under normal conditions between 3051-15999 ha while in wet conditions between 305117400 ha.Keywords : Irrigation, Optimization, Sensitivity

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