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Jurnal Irigasi

jurnal_irigasi
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Published by Puslitbang Sumber Daya Air

ISSN : 19075545 EISSN : 26154277 DOI : -

Core Subject : Agriculture, Engineering,

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Engineering

Jurnal Irigasi merupakan publikasi ilmiah yang memuat hasil-hasil penelitian, pengembangan, kajian dan studi kasus terkait irigasi dan drainase. Ruang lingkup Jurnal Irigasi meliputi survei, investigasi, desain, akuisisi lahan, konstruksi, operasi, pemeliharaan di sistem irigasi yang ditinjau baik dari sisi teknis, ekonomi dan kelembagaan. Terbit pertama kali tahun 1986 dengan nama Jurnal Informasi Teknik dan pada tahun 2006 berganti nama menjadi Jurnal Irigasi. Jurnal Irigasi diterbitkan 2 (dua) kali dalam setahun yakni pada bulan Mei dan Oktober.

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Articles 6 Documents

Search results for , issue "Vol 12, No 2 (2017): Jurnal Irigasi" : 6 Documents clear

Evaluasi Ketepatan Pemberian Air Menggunakan Sistem Manajemen Operasi Irigasi (SMOI) di Daerah Irigasi Bondoyudo Dadan Rahmandani; Eko Winar Irianto; Hanhan Ahmad Sofiyuddin; Susi Hidayah; Iwan Hadihardaja; Edy Anto Soentoro
Jurnal Irigasi Vol 12, No 2 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Irrigation Operation Management System (SMOI) is an irrigation reporting information system designed to automate data transfer and form reporting by utilizing the internet network. SMOI can shorten the time of reporting and facilitate the evaluation of historical data in support of decision making in an Irrigation Area. Nevertheless, this technology has not been tested on field-scale applications especially in multiple districts irrigation area. The study aimed to analyze the accuracy of SMOI calculations and the correctness of water delivery as the impact of the SMOI application. The research was conducted on the application of SMOI in Bondoyudo Irrigation Area, East Java. The analysis of the calculation accuracy is done by verifying and validating the results of SMOI calculation compared to the calculation of manual form. Analysis of water delivery accuracy is done through water balance simulation based on data in Cropping Season I and II year 2016/2017. Based on the result, the calculation workflow, data retrieval, and flow of data distribution among forms on SMOI in accordance with the provisions in PUPR 12/PRT/M/2015. The simulation results show that SMOI can improve the accuracy of water delivery to the predicted value by 40.7% in Cropping Season I and 21.8% in Cropping Season II. However, when compared with actual irrigation water needs, SMOI has not significally to improved water delivery accuracy. This is due to the calculation of water requirements in manual form and SMOI not yet accommodating the variability of actual climatological conditions.

Kebutuhan Air Tanaman untuk Penjadwalan Irigasi pada Tanaman Jeruk Keprok 55 di Desa Selorejo Menggunakan Cropwat 8.0 Liliya Dewi Susanawati; Bambang Suharto
Jurnal Irigasi Vol 12, No 2 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Keprok 55 (Citrus reticulate) is one of the horticulture commodities which are prioritized to be developed especially in Batu City, Malang. The main problem of Keprok 55 orange is water availability. Crop water requirement so far solely rely on rainfall which is erratic, particulary in the region of Selorejo. Therefore, proper irrigation management is needed, one of them is planning the crop water requirement. This study aims to plan and calculate needs of crop water requirement using Cropwat 8.0 software and evaluate the result with the actual condition. The research was conducted at orange orchard in Selorejo Village, Dau District, Malang Regency. This research uses quantitative descriptive analysis and data processing using Cropwat 8.0. The results showed that the total crop water demand (ETc) during the growth period was 971.90 mm with the highest actual evapotranspiration of the plants reached in October, the third period of 34.80 mm and the lowest in the third February of 19.70 mm. The result from Cropwat 8.0, are very helpful in determining the cropping season and the amount of irrigation for planning purpose. However, day to day operation must be conducted based on actual crop and rainfall condition to maintain soil moisture at appropriate level to support crop growth.

Pengaruh Pupuk Kascing Terhadap Kemampuan Mengikat Air pada Tanah Lempung dan Lempung Berpasir Monica Rina Tutkey; Fatchan Nurrochmad; Sri Harto Brotowiryatmo
Jurnal Irigasi Vol 12, No 2 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

The water saving irrigation would be better if the soil can hold water maximally. The problem is the soils have different water holding capacity, some of them are less, so there is need to maximize the water holding capacity. Adding compost with the right composition can improve the soil physical properties, since organic matter in it has the aggregation capability that can bind the small granules to the large granules to improve the water holding capacity. This study aimed to analyze the maximum water holding capacity by adding 0%, 29%, 33%, 40%, 50%, 60%, 67% and 71% of vermicompost on loam and sandy loam soil. Each sample is repeated three times. PF curve was used to determine water holding capacity. The result shows that the maximum water holding capacity of loam soil is 19,14% by adding 40% of vermicompost or increased 13.56% from the original soil. On the other hand, adding vermicompost on sandy loam tends to decrease the water holding capacity. The maximum water holding capacity of sandy loam is 27.87% in 0% (original soil) of vermicompost. Further research can be continued by paddy plot trial using the best vermicompost composition and the water saving irrigation method.

Variabilitas Curah Hujan dan Suhu Udara serta Pengaruhnya Terhadap Neraca Air Irigasi di Daerah Aliran Sungai Ciliwung Dwi Ariyani
Jurnal Irigasi Vol 12, No 2 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Climate change is an issue that is being faced by the global community, which affects the variability of temperature and rainfall. An increase in air temperature may lead to a decrease in the dependable flow or availability of water. Related to this matter, this research aim to identify the trend of air temperature change and rainfall on water availability in Ciliwung Watershed for 30 years (1985 to 2015). Analysis of the increase in trend of climate variables is done by using Mann Kendall Trend Test method, water balance analysis using surplus deficit balance method, and water availability analysis using Mock method. The results showed no change in rainfall variability. The average temperature rose by 0.20C, the minimum temperature increased by 0.90C, and the maximum temperature rose by 0.80C over the last 30 years. Water availability decreased by 2 m3/s or by 2,000 l/s during the last 30 years. Water balance analysis then conducted using the maximum irrigation water demand at the intake of 8.46 l/s/ha and the irrigation area of Katulampa Weir which was reduced from 1,288 ha to 333 ha (1985 to 2015). The results of this analysis indicate that there is no water balance deficit for agricultural land in Ciliwung Watershed. The result of this research is expected to support the management of water resources in the upstream Ciliwung Watershed.

Potensi Energi Mikrohidro di Daerah Irigasi (Studi Kasus di Wilayah Sungai Serayu Opak) Bono Pranoto; Sinta Nur Aini; Hari Soekarno; Afida Zukhrufiyati; Harun Al Rasyid; Santi Lestari
Jurnal Irigasi Vol 12, No 2 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Renewable energy development needs to be improved in order to overcome the problem of fossil energy sources that are increasingly depleted. Microhydro power plant is potential to be developed sinceIndonesia has a cluster of mountains where water spring can flow as sources of river water. In addition, microhydro is also potential from water flow in irrigation networks. There are more than 48 thousands irrigation areas in Indonesia that potential to be utilized to increase the energy security of Indonesia. However, the problem is there is lack of information on the potency of microhydro energy that can be generated from irrigation areas. This study aims to identify and makea map of the potency of microhydro energy in Irrigation Areas of Serayu Opak River Basin, and to know the potency of microhydro energy that can be generated in this region. The method used is to process image data through geospatial-based analysis and field verification.As a result, a map of the potency of microhydro energy has been produced and might be used as an indicative map showing irrigation channels which are potential for microhydrodevelopment. The amount of microhydro power in the irrigation area in SerayuOpak River Basinis about 26 MW.

Ketahanan Air Irigasi pada Wilayah Sungai di Indonesia Waluyo Hatmoko; Radhika Radhika; Rendy Firmansyah; Anthon Fathoni
Jurnal Irigasi Vol 12, No 2 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Water security is the community's ability to maintain sustainability in meeting water demands for various purposes and managing water-related disasters. The score of Asian countries water security indicator has been formulated and calculated by the Asian Development Bank (ADB). However water security at the river basin level, including irrigation water security, has not been assessed. Like other Asian countries, irrigation in Indonesia is the largest water user, therefore irrigation water security plays important role in water resources management. This paper formulates and calculates the water security for irrigation in all river basins in Indonesia. The computation method is adopted from ADB, and developed according to the conditions of data availability and characteristics of river basins in Indonesia, under the assumption of homogeneity within river basin. It is concluded that the irrigation water security in the river basin in Indonesia is generally in "medium" condition. The "very bad" condition occurs only in Ciliwung-Cisadane and Progo-Opak-Serang river basins. The "bad" conditions include the Bangka, Belitung, Cidanau-Ciujung-Cidurian, Ciliman-Cibungur, Bali-Penida and Lombok river basins. Measures to improve irrigation water security are developing and improving performance of irrigation networks, improve reliability of water supplies by constructing reservoirs and ponds, and reducing water stress with water savings.

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