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All Journal J-Sil (Jurnal Teknik Sipil dan Lingkungan) MANAJEMEN IKM: Jurnal Manajemen Pengembangan Industri Kecil Menengah Forum Pasca Sarjana Jurnal Ilmu Lingkungan Jurnal Keteknikan Pertanian Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Tataloka Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Hidrosfir Indonesia JURNAL TEKNIK HIDRAULIK JURNAL SUMBER DAYA AIR J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Nora H. Pandjaitan
Departemen Teknik Sipil Dan Lingkungan, IPB University
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Engineering Environmental Science Industrial & Manufacturing Engineering Transportation

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The Optimum Water Management on Tidal Irrigation Land Telang I, South Sumatera Pande Munthe; Nora H Pandjaitan
Jurnal Keteknikan Pertanian Vol. 12 No. 2 (1998): Buletin Ketenikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.2.%p

Abstract

The increasing of food demand and maintaning the national food self supporting program have become the goverment concern. On the other side farm land convertion (especially in Java and Bali) into non-farm land has increased. So, as one of the solution, the goverment has opened many new farm lands outside Java. Most of them are tidal land. Tidal lands need an occurate contruction and water management system. The aim of the study is to determine the water management system for tidal irrigation land (on farming level) by controling water surface according to the cropping pattern. The location of study is Telang I tidal irrigation area, Kabupaten MusiBanyuasin, South Sumatera.
Design of Trickle Irrigation System for Peppers (Capsicum annum var. Longum L.) at Resinda Project, Karawang Elphyson T; Nora H. Pandjaitan; . Prastowo
Jurnal Keteknikan Pertanian Vol. 14 No. 2 (2000): Buletin Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.014.2.%p

Abstract

Trickle irrigation is an irrigation method which can give continuous water drops at the root zone. The main components of Trickle Irrigation System are  : emitter. lateral pipe, manifold pipe, main pipe, water pump and other supporting components.The design is using point source type of emitter. Each emitter serves 4 pepper plants. The total power consumption at pump station III is 8.4 KW. The total operation of pump station I is 752.I hrs/ season, pump station II is 2256.2 hrs / season and pump station III 1504.I hrs / season.
Fluid Characteristics at Material for Porous Lateral Pipe with Via-Flow Method at Trickle Irrigation Netty Kurniadi; Dedi Kusnadi; Nora Herdiana Pandjaitan
Jurnal Keteknikan Pertanian Vol. 14 No. 2 (2000): Buletin Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.014.2.%p

Abstract

This research tries to find a suitable material for porous lateral pipe, its mean outflow, its coefficient of uniformity and distribution of outflow along the pipe. The material that is used in this research is Parachute and Fatnatex cloth with 20 cm long.The research shows that the Famatex cloth with 8 cm circumference, gives a better performance and can be used for the further research . Besides. the bigger head is used, the faster water flow and the bigger mean outflow from the material to the ground surface.
Kinerja Hidrolika Sistem Fertigasi Mikro Naswir .; Soedodo Hardjoamidjojo; Nora H. Pandjaitan; Hidayat Pawitan
Jurnal Keteknikan Pertanian Vol. 22 No. 1 (2008): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1778.528 KB) | DOI: 10.19028/jtep.022.1.%p

Abstract

A micro fertigation system was designed using local components, simple and easy to build, operate and repair by farmers. Evaluation of hydraulic performances consists oflong-path size in emitters, relationship between discharge and head in emitter, head loss along the lateral, and emission uniformity. The result of the research indicated that the micro fertigation system with 0,5 mm inside diameter micro-tubing used to control the flow from outlets along laterals. The individual microtube was 0,6 m long and spaced at 0,3 m interval along laterals. The discharge was adjusted by stop valves and ranges from 0,48 -2, 74 ltrs/h at operating heads of 0,2-1,5 m. The emission exponent, x was 0,86, and the head-discharge equation was Qe= 1,94 H0,86. The coefficient of manufacturing variation, CV was 0,043 from 125 samples of emitters, and an interpretation of values was excellent. Accordingly allowable length of lateral (at operation head, H = 1 m) 15 meters of length PVC hose ¼ inch size was acceptable and 25 meters of length PVC hose 5/16 inch size was acceptable. The design of micro fertigation system have emission uniformity, EU > 85% far all treatments.  Keywords: micro fertigatian system, hydraulic performance, emission exponent, head loss, emission uniformity Diterima: 6 Agustus 2007; Disetujui: 12 Nopember 2007
Analisis Debit Sungai dengan Menggunakan Model SWATpada DAS Cipasauran, Banten Maulana Ibrahim Rau; Nora Pandjaitan; Asep Sapei
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1551.41 KB) | DOI: 10.19028/jtep.03.2.%p

Abstract

Total water demand at non industrial and industrial region in Cilegon is increasing. With its water production capacity of 2,000 l/s, PT Krakatau Tirta Industri (KTI) cannot fulfill the amount number of demand from the industrial and domestic sectors at Cilegon. To cover the shortage of water supply of ±600 l/s, PT KTI requires taking water from Cipasauran Watershed. The objective of this study was to analyze river discharge of Cipasauran Watershed using SWAT model. Input data such as soil characteristics, climate data, landuse, and hydrology data at the area of the watershed were gathered and put at the data input file. In SWAT simulation, 4 processes were done, i.e. watershed delineation, hydrological response unit (HRU) forming, data process and SWAT simulation, and visualization process. The result showed that the daily and monthly calibration process crossed 84% and 83% with the 95PPU area, with daily and monthly p-factor value of 0.84 and 0.83. Thus, calibrated model result was valid, though R2 and NS value were not satisfied. Using the validated SWAT model, the daily discharge in Cipasauran Watershed was about 0 - 3.309 m3/s, whereas the monthly discharge was 0.648 - 3.266 m3/s. This showed that daily and monthly PT KTI’s water demand of 0.6 m3/s were fulfilled about 98.22% and 100%. Within the future time, the SWAT model could be potentially used as an assessment for predictive scenarios. However, to gain optimum results, well-observed and precise data is highly required, especially for such calibrations and validations.
Rainwater Harvesting as Alternative Clean Water Sources in the Bekasi Watershed Dea Evantri; M. Yanuar Jawardi Purwanto; Roh Santoso Budi Waspodo; Nora Herdiana Pandjaitan
Jurnal Keteknikan Pertanian Vol. 9 No. 2 (2021): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.09.2.73-78

Abstract

Panen air hujan merupakan salah satu upaya yang ditujukan untuk mengurangi limpasan permukaan dan meningkatkan ketersediaan air. Panen air hujan menjadi salah satu alternative untuk memenuhi kebutuhan air masyarakat dan mengurangi penggunaa air dari PDAM ataupun air tanah. Perencanaan panen air hujan di wilayah DAS Bekasi Hulu bertujuan untuk memenuhi kebutuhan air masyarakat DAS Bekasi Hulu yang selama ini memanfaatkan air PDAM. Perencanaan panen air dihitung berdasarkan besar kebutuhan air dan jumlah volume air hujan yang dapat tertampung. Dimensi bak penampungan direncanakan adalah dengan kapasitas tampung 4 m3 dengan tinggi 160 cm tebal dinding 3 cm. Hasil perhitungan kebutuhan air penduduk DAS Bekasi hulu pada tahun 2018 adalah sebesar 73 juta m3/tahun setara dengan 110 milyar rupiah tarif PDAM. Dengan adanya perencanaan panen hujan maka diperoleh besar air hujan tertampung setiap tahunnya adalah sebesar 7.8 juta m3/tahun. Berdasarkan penelitian ini masyarakat dapat menghemat biaya air sebesar 11% dari total biaya yang dikeluarkan untuk biaya air PDAM. Pemanenan air hujan dapat diterapkan di wilayah DAS Bekasi Hulu dan sudah saatnya untuk disosalisasikan kepada masyarakat.
EVALUASI KEAMANAN DAM JATILUHUR BERBASIS INDEKS RESIKO Avazbek Ishbaev; Nora H. Pandjaitan; - Erizal
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 4 No. 2 (2014): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.4.2.111

Abstract

The dams have very important roles to agricultural activities. Especially, West Java with 240,000 hectares of agricultural land, needs a good dam structure that can be used sustainably. Jatiluhur dam in Purwakarta, West Java is one of big dams in Indonesia which has important rules not only for Purwakarta but also for Jakarta, Karawang and Bekasi residents. A study and observation about safety and dam stability is needed to prevent any damage. The purpose of this research were to identify parameters that influenced dam safety and to evaluate dam reliability based on index tools. Analysis was done using risk index tools. The result showed that the condition of the dam of Jatiluhur is still satisfied with indicators, "Idam"-750. The total index risk was 127.22 and the safety factor was 83.04 out of 100. Therefore, Jatiluhur dam could be classified as safe and no need for particular treatments. Jatiluhur dam can be operated in normal condition or abnormal condition with periodic monitoring. Keywords: dam safety, evaluation, Jatiluhur Dam, risk index tools
Kebijakan Pengembangan Budidaya Tanaman Bambu untuk Pengelolaan Berkelanjutan DAS Aesesa Flores Nicolaus Noywuli; Asep Sapei; Nora H. Pandjaitan; Eriyatno Eriyatno
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 9 No 4 (2019): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.9.4.946-959

Abstract

The existence of Aesesa Flores (AF) watershed is very important for people in Ngada and Nagekeo Regency of Flores island. The AF watershed provides water, land use, economic and other environmental services. However, the excessive exploitation is a major threat for the existence of the AF watershed. The degradation of the AF watershed function such as reduction in river debit, increase of critical land, land use change as well as the problem of poverty. The upstream area is intended as a conservation area where Watu Ata nature preservation park is located, the bamboo forest and Bajawa as the capital city of Ngada Regency. The downstream area is not only as capital city of Nageko Regency but also as paddy field area. One of the activity to improve the watershed function is through a comprehensive and sustainable management policy design based on characteristics and carrying capacity of the AF watershed. This research was conducted in April-May 2018 and the the purpose of the study is to analyzed key factors and establishing an alternative for sustainable management policy development of AF watershed using a prospective method. This study using mainly primary data obtained from the seven local experts through the filling of the questionnaire. The result shows that there are 22 attribute factors and it identified as 10 key factors. The main two key factors are bamboo cultivation, processing technology of bamboo, enlargement of bamboo cultivation area and practicing the soil and water conservation technique. The 10 key factors then become input for designing the management policy of AF watershed. Bamboo become the dominant and key factor because bamboo could be developed into biomass energy plant and it serves social, economic and ecological values for the local people of Ngada and Nagekeo Regency. Bamboo cultivation has a good prospect financially for the local people.
Analysis of Maros River Discharge Using the Modified Soil and Water Assessment Tools (SWAT) Program Ahmad Fausan; Asep Sapei; Yuli Suharnoto; Nora Herdiana Pandjaitan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.146-160

Abstract

Soil and Water Assessment Tools (SWAT) which is developed in America was used to analyze the effect of land management on discharge, sedimentation, and water quality in a river basin area. The hydrological conditions in the Americas are different from Indonesia, so a modified SWAT is done. This research aimed to implement a modified SWAT program to predict the results of a better discharge analysis based on hydrological analysis in the sub-Watershed area. About 13.90% of the area was paddy fields. The evaluation of the module had been done by looking at the coefficient of determination (R²) and Nash-Sutcliffe Efficiency (NSE) based on the comparison of simulated discharge results with an observation discharge. Research began with delineation DEM, HRU formation, simulation, calibration, and validation. The R² value for daily data on modified SWAT was 0,725. It was better than the original SWAT and SWAT with Pothole, which were 0,706 and 0,708 respectively. Likewise, the NSE value for daily data on modified SWAT was 0,721, on original SWAT and on SWAT with Pothole was 0,668 and 0,685 respectively. The analysis result showed that the modified SWAT provide good discharge prediction results, indicated by relatively high R2 and NSE values.Keywords: hydrological analysis,modified SWAT, paddy field, pothole, SWAT
Design of Water Source Alternative Based on SWAT Model Simulation Nora Herdiana Pandjaitan; Arif Yusron Afifi; Asep Sapei
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 4 (2022): Desember 2022
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i4.636-646

Abstract

Water shortage problem was often happened in many places in Indonesia. Water availability is very important not only for domestic needs, but also for other activities particularly for agricultural activities. To solve water shortage problem, this study aimed to design a water source alternative. The rain is a free water source and collecting rain in the small dam or reservoir is one of the effective rainwater harvesting technique that can increase water availability. This research was conducted  at Sekaran Village and the analysis had done using SWAT (Soil and Water Assessment Tools) model.  The planned rainfall and discharge were analysed by 5 years return period to calculate the water  potential for reservoir charging. The results of this study indicated that the location of the reservoir was planned in a forest area with a slope of 8-25%, on coordinates 111º38'11.39"E and 7º6'14.22"S and has a storage volume of 13737 m3. The reservoir has 4356 m2 surface area with a depth of 3 m. Based on the SWAT model simulation, the highest average discharge potential occured in February with a discharge of 0.312 m3/s and the lowest average discharge occured in October with a discharge of 0.044 m3/s. The total volume of potential annual water that can fill the reservoir is 61.166 m3/s per year based on a planned rainfall of 115.38 mm and a planned flood discharge of 2.54 m3/s with a return period of 5 years. The reservoir construction required a cost of  IDR 1,200,747,000. Keywords: Cost, Location, Rainwater Harvesting, Reservoir, SWAT
Co-Authors - Rohayati . Prastowo . Saprianto Achmad Yopi Suyitno Pribawanto Ahmad Fausan Aida Vitayala S Hubeis Anari, Oktovianus Anggraini Sukmawati Ano Juhana Anthon Monde Arif Yusron Afifi Asep Sapei Atep Hermawan Avazbek Ishbaev Bambang Pramudya Bambang Sumpeno Beniko Kusumagiri Budi I Setiawan Budi Indra Setiawan Dea Evantri Dedi Kusnadi Denny Jatnika Dharma, I Gede Aditya Ekananda, Fahri Elfrida Ratnawati Elphyson T Eriyatno . Erizal , Ervina, Cordelia Fahri Ekananda Fauziah, Kiki Rizky Grace Natalia Grace Natalia Harun A. Sume Hendrick Tio P. Tambunan Herlika Asriasuri Hidayat Pawitan I Gede Aditya Dharma Ifah Latifah Irsyad Syaifudin Karunia, Titiek Ujianti Kiki Rizky Fauziah Komar Sumantadinata Kukuh Murtilaksono Lanny Syamsir Leonardi Pratama Lilik B Prasetyo M. Riza Januar M. Yanuar Jawardi Purwanto M. Yanuar Purwanto Maulana Ibrahim Rau Maulana Ibrahim Rau Maulana Ibrahim Rau, Maulana Ibrahim Muhammad Ihsan Muhammad Ihsan Muhammad Raka Qintana Muhammad Syamsun Musa Hubeis Muzhaffar Harits Naik Sinukaban Naswir . Netty Kurniadi Ngudi Aji Jaka Yuwana Nicolaus Noywuli Pande Munthe Purwanto, Budi Puty Yousnelly Qintana, Muhammad Raka Rio Caesarion Rizal Syarief Rizal Syarief Roh Santoso Budi Waspodo Said Karim Satyanto Krido Saptomo Soedodo Hardjoamidjojo Subandiyono Subandiyono Suryahadi (Suryahadi) Sutoyo Sutoyo Sutoyo Suwarso Suwarso Titiek Ujianti Karunia Wenda, Datina Yanuar Juardi Purwanto Yuli Suharnoto