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Jurnal Teknik Pengairan Jurusan Teknik Pengairan Fakultas Teknik, Universitas Brawijaya Jl. MT. Haryono 167 Malang
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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,
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 255 Documents
Analisis Kekeringan Pada Daerah Aliran Sungai (DAS) Bedadung Berbasis Sistem Informasi Geografis (SIG) Kurniawan, Ainur Rofiq; Bisri, M; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 10, No 2 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2019.010.02.03

Abstract

The reduced of water availability toward the needs is one thing that indicates the occurrence of a drought. The drought has received more attention from Government of Jember Regency in the form of a drought disaster area management direction. The location of this research is in the Bedadung River Basin with 13 rainfall station located in the upstream of Rowotamtu AWLR Station. Drought analysis uses the Palmer Drought Severity Index method in the form of index that informs the level of drought in an area. The results of the study showed that drought with extreme dry classification occurs from June to October with drought index values ranging from -1,82 (on June) to -14,14 (on October). Patrang, Jelbuk, Arjasa and Panti sub-districts are areas that have experienced drought with a duration of 5 months. Palmer method meteorological drought index and hydrological drought index (value of AWLR Discharge Standardized Box Cox Transformation (Z)) have unidirectional relationship and high degree of relationship, with the Pearson correlation coefficient, r = 0,91
Analisis Transpor Sedimen Serta Pengaruh Aktivitas Penambangan Pada Sungai Sombe, Kota Palu, Sulawesi Tengah Pratama, Muhammad Iqbal; Legono, Djoko; Rahardjo, Adam Pamudji
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 10, No 2 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2019.010.02.02

Abstract

Sedimentation problems occuring in Sombe River is a phenomenon of sediment grainsor particles entrained from the riverbank avalanche. The problem is exacerbated when there is moderate to high intensity rainfall, causing sediment material transported by a flood. Moreover, sand mining activities also affect the changes in the riverbed. The research aims to identify and estimate the quantity of sediment transport and the effect of the mining activities on the riverbed changes in Sombe River. In this research, direct measurement in Sombe river and observation of the mining activities in Sombe River are conducted to collect sediment samples and river morphology data. Thenceforth, the collected data will be analyzed using Rottner and Van Rijn method. According to the result of the calculation, the average of sediment discharge in Sombe River with a return period of 1 year, 2 years, 5 years and 10 years are Rottner method is 2.1 x 10 7 - 3.8 x 10 7 Tons/year; Van Rijn method is 4.0 x 10 7 – 6.9 x 10 7 Tons/years.
Analisis Konservasi Air Berbasis Zero Run Off (Studi Kasus Kawasan Block Office Balai Kota Among Tani Kota Batu) Tri A., Dini Rosvita; Bisri, Mohammad; Andawayanti, Ussy
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 10, No 2 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2019.010.02.08

Abstract

The development of Batu as a tourist and agropolitant city has led to some concern, such as water resources. The number of springs has increasingly declined due to the conversion of forest into agriculture land, residential, and tourist sites. Therefore, it’s necessary to maintain equilibrium through the process of extracting and replenishment of rain water by absorbing it into soil pores as water conservation efforts. This study examines the analysis of water conservation based on the concept of zero runoff, located in the Block Office area. It is expected to become input for the Batu City Government and be developed in those area. The analysis of surface runoff is calculated by Rational Method. The dimension of recharged well is calculated by using SNI method 03 2453 2002. The magnitude of design discharge obtained with 5 years return period is 111,408 mm. Reharged well is planned with 5 meters height and 1 meter diameter. Recharged well used for 100 m roof area is 1. Water conservation technology by using recharged well is able to collect runoff from the roof, while retention pool collect and absorb runoff from the parking area, road, and yard.
Analisis Prediksi Debit Sungai Amprong Dengan Model Arima (Autoregressive Integrated Moving Average) Sebagai Dasar Penyusunan Pola Tata Tanam Rahayu, Wiwin Sri; Juwono, Pitojo Tri; Soetopo, Widandi
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 10, No 2 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2019.010.02.04

Abstract

An accurate determination of water availability in the 10-day period of the Amprong River has an important role in the planting system to support the agricultural production process in DI. Kedungkandang, because if the availability of water is not precisely determined, there will be an error in regulating irrigation water and its use is not as expected. To overcome these problems, an analysis system is needed that is able to make predictions well. One of the time series models is the ARIMA (Autoregressive Intregated Moving Average) model. The model was built by 9 period discharge data, namely 2008/2009 until 2016/2017, to predict the discharge of period 2017/2018. Of the ten tentative models obtained, there are only five models that are worth using. The best model is the ARIMA model (2,0,1) (1,2,1) 36 with the value of MSE = 22,90; KR = 6.00; MSD = 8.05; MAD = 2.04; MAPE = 18.53 and MPE = -8.98. In second crop season the crop intensity of paddy increased from 55.79% to 64.50%, and the production of GBK increased by 13.50%. While the third crop season paddy crop intensity increased from 37.22% to 49.99%, and GBK production increased by 25.54%.
Analisis Keandalan Data Penakar Hujan Otomatis Sebagai Acuan Koreksi Perkiraan Hujan Radar Hambali, Roby; Legono, Djoko; Jayadi, Rachmad
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 10, No 2 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2019.010.02.09

Abstract

The reliability test of automatic rain gauge data in the Mt. Merapi region is highly needed considering that the data is used as a reference to correct the X-band MP radar rainfall estimates error. Rain gauge stations containing unreliable data need to be eliminated so that radar rainfall estimates can be adjusted based on reliable data only. This paper discusses the technique of examining the reliability of rain gauge data using a two-way analysis of variance. The method used in variance analyzing is the Scheffe test, where the difference in the mean value of the two rain gauge stations is compared with the critical value of the Scheffe test. The criteria appointed to declare 'reliable' is if the number of stations that have a significant difference with the reviewed station is less than two. A total of 5939 10-minute rainfall intensity data from 21 rain gauge stations in the Mt. Merapi region were used in the analysis. The results show that six of the 21 rain gauge stations contain unreliable data to use as a reference for correcting radar rainfall estimates. The Scheffe test is considered excellent and straightforward to apply to find out the variance of mean values between rain gauge stations.
Analisa Limpasan Berdasarkan Curah Hujan Menggunakan Model Artifical Neural Network (ANN) di Sub Das Brantas Hulu Suhartanto, Ery; Cahya, Evi Nur; Maknun, Lu’luil
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 10, No 2 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2019.010.02.07

Abstract

Discharge data is usually less available than rainfall data, so it is necessary to find a relationship between river flows that are applied in the period available rainfall data in a watershed area. The purpose of this study is to determine the suitability of the method based on the analysis of data validation between the observed discharge and the model discharge. The method is done by modeling the discharge based on rainfall with the Artificial Neural Network (ANN) MATLAB R2014b program. The Upper Brantas Watershed is used as a case study because it often has runoff problems. Validation of the ANN method was tested with Root Mean Square Error (RMSE), Nash-Sutcliffe Efficiency (NSE), Correlation Coefficient (R) and Relative Error (KR). From the results of calibration using the ANN Model, the best data is found in the five years data of epoch 500. Verification results based on the value of R have a relatively good relationship between observation discharges with model discharges. The validation results show the validity in a year data of epoch 500.
Analisis Volume Genangan Terhadap Perubahan Penggunaan Lahan dan Penanggulangannya Berbasis Konservasi Lingkungan (Studi Kasus di Kecamatan Kepanjen) Andawayanti, Ussy; Prasetyorini, Linda
Jurnal Teknik Pengairan Vol 1, No 1 (2010)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1216.653 KB)

Abstract

Kecamatan Kepanjen yang direncanakan sebagai pusat pemerintahan Kabupaten Malang banyakmengalami perubahan tataguna lahan. Kondisi tanah yang dulunya berupa lahan terbuka seperti sawah atau lahan kering banyak beralih fungsi menjadi suatu kawasan permukiman dan perkantoran yang bersifat kedap air. Perubahan tersebut mengakibatkan air hujan tidak dapat meresap ke dalam tanah sehingga mengakibatkangenangan pada beberapa kawasan di wilayah Kepanjen. Hal ini kemungkinan diakibatkan semakin meningkatnya debit limpasan yang tidak diiringi dengan pemeliharaan sistem drainase secara baik. Dari hasil studi ini didapatkan bahwa perubahan tata guna lahan yang terjadi berupa penurunan jumlah lapisan tembus air(lapisan impermeable) menjadi lapisan kedap air (lapisan permeable) sebesar ± 80% akan meningkatkan nilai koefiesien pengaliran. Hal tersebut menyebabkan peningkatan debit limpasan permukaan dan genangan setiap tahunnya. Alternatif penanggulangan genangan berupa saluran porus dapat diterapkan pada kawasan tersebut karena kondisi tanah terdiri dari pasir yang mempunyai nilai koefisien permeabilitas tinggi. Saluran porus ini dapat digunakan sebagai artificial recharge untuk konservasi air tanah dengan peresapan sebesar 0,0158 m3/dt. Biaya yang diperlukan dalam pembangunan saluran ini relatif lebih murah jika dibandingkan dengan saluran drainase biasa.Kata kunci : tata guna lahan, limpasan permukaan, genangan, saluran porus
Bangunan Pelimpah Sebagai Sarana Pengendalian Banjir Daerah Kota Lamongan dari Akibat Debit Aliran Sungai Kali Dapur dan Kali Deket yang Menuju Kali Blawi Kusnan, Kusnan
Jurnal Teknik Pengairan Vol 1, No 1 (2010)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (999.305 KB)

Abstract

Kota Lamongan terletak di provinsi Jawa Timur Sebelah Utara yang banyak dilalui sungai-sungai antara lain Kali Mengkuli, Kali Plalangan, Kali Dapur dan Kali Deket. .Dengan kondisi topografi demikian hampir setiap tahun Kota Lamongan dilanda banjir. Salah satu sebab adalah sistem drainasi di luar Kota Lamongan yang kurang mampu menampung banjir luapan dari sungai-sungai, ada dua sungai yang mempengaruhi terjadinya banjir yaitu Kali Dapur dan Kali Deket adalah Sungai yang melewati Kota Lamongan, jika diantara kedua sungai ini dibuatan sudetan berupa sungai pembagi dengan ukuran B= 15 m, H=2,08 m, A=37,78 m2, P=24,802m, R=1,6 m, C=2,6, V= 1,301 m/dt, maka kelebihan Debit banjir rancangan 49,09 m3/dt akan dapat dialirkan ke Kali Deket terus mengalir ke Blawi yang bermuara di Sungai Bengawan Solo, bila Debit air kelebihan sudah teratasi, masih ada kendala lain yaitu aliran yang bercampur dengan sedimen mengakibatkan tidak lancarnya aliran, maka untuk mengatasi dan membantu jalannya aliran diperlukan Bangunan Pelimpah, agar debit hujan rancangan yang terjadi segera cepat mengalir ke Kali Blawi, sehingga debit air tidak sempat meluber dari sungai dan tidak mengenangi Kota Lamongan. Adapun bangunan pelimpah hasil penelitian dengan tinggi 2,20m D=R=L= 2,515 m. Untuk mengatasi hal tersebut juga diperlukan pekerjaan rutinitas masalah pengerukan sedimentasi.Kata Kunci : Bangunan pelimpah membantu pengendalian banjir.
Penelusuran Banjir Waduk dengan Hydrograf Seri Masrevaniah, Aniek
Jurnal Teknik Pengairan Vol 1, No 1 (2010)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (144.354 KB)

Abstract

Setiap waduk dilengkapi dengan pelimpah untuk membuang kelebihan air.Kapasitas Maksimum pelimpah dirangcang berdasar debit banjir rancangan dan dikontroldengan PMF (Probable Maximum Flood). Debit banjir merupakan hydrograf tunggal.Kecenderungan hujan terus menerus membuat kekhawatiran terjadi limpasan di atasbendungan (overtopping) sehingga air waduk dilepas yang ternyata membawa dampakbanjir di hilir. Penelitian ini ditekankan dengan banjir ekstrim berupa debit banjirrancangan yang terjadi secara seri. Debit banjir seri yang berselang waktu 2 jam,menunjukkan bahaya overtopping, kenaikan muka air melebihi puncak bendungan.Kata kunci: Penelusuran banjir, hidrograf seri, overtopping.
Studi Pemberdayaan Lembaga Pengelola Jaringan Irigasi di Tingkat Desa Prasetijo, Hari
Jurnal Teknik Pengairan Vol 1, No 1 (2010)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (116.625 KB)

Abstract

Dalam rangka menuju kemandirian dan ketahanan pangan ,maka pemerintah berupaya untukmeningkatkan produksi beras dan taraf hidup petani sehingga diperoleh manfaat penghematan devisa nasionaldan membuka kesempatan kerja serta mengurangi kemiskinan. Tujuan dan manfaat studi adalah penyusunansrtategi dan kebijakan pemberdayaan Lembaga Pengelola Jaringan Irigasi di tingkat desa dan sebagai pedoman untuk meningkatkan keberadaan HIPPA sebagai lembaga pengelola jaringan irigasi yang mandiri dalam pengelolaan maupun pemeliharaan jaringan irigasi . Metode yang dipergunakan adalah analisis SWOT untukmenentukan Strategi kebijakan pemberdayaan HIPPA. Hasil studi menunjukkan bahwa keberhasilan pemberdayaan HIPPA diperlukan strategi dan kebijakan sebegai berikut : organisasi HIPPA harus berbentuk badan hukum, pemerintah sebagai fasilitator, motivator, mengadakan kerja sama pengelolaan, menyediakan tenaga pendamping, menyediakan sarana produksi dan memfasilitasi pembentukan koperasi serba usaha.Kata kunci : Pemberdayaan, irigasi, HIPPA

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