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Journal : GANEC SWARA

ANALISIS KARAKTERISTIK KEDALAMAN HUJAN DAN IKLIM DI PULAU LOMBOK I WAYAN YASA; YUSRON SAADI; HERI SULISTYONO; ERY SETIAWAN; HARTANA HARTANA; I DEWA GEDE JAYA NEGARA
GANEC SWARA Vol 15, No 2 (2021): September 2021
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v15i2.219

Abstract

Climate and rain parameters are important factors that affect the availability of water resources on the earth's surface. The phenomenon of climate change that occurs today has an impact on the depth and distribution of rain and climatological parameters. The existence of rain and climate on Lombok Island changes very significantly every year. These changes affect various sectors, especially the irrigation sector. Thus, various adjustments must be made, such as adjusting the time of planting, cropping patterns and the types of plants being cultivated. In this case, knowledge about the characteristics of rain and climate that occurs on the island of Lombok is very important to know the pattern and magnitude of the incident as well as the time of the incident. This study was conducted to determine the condition of each climate variable in the Lombok island region by calculating the monthly average for 25 years. The smoothing uses the Theissen polygon method by utilizing 19 scattered rain station data and 4 climatological stations. Based on the analysis carried out, the results showed that the average monthly temperature ranged from 26.17-27.09°C, humidity 87.70-89.83%, sunlight 39.79-69.44%, and wind speed 53 ,73-110,21knot. The highest rainfall occurred in January of 235.33 mm, while the lowest occurred in August of 18.12 mm.
PENGARUH VARIASI EMITTER PADA JARINGAN IRIGASI TETES PIPA PVC BERTINGKAT TERHADAP DISTRIBUSI DAN KESERAGAMANAN IRIGASI I DEWA GEDE JAYA NEGARA; ANID SUPRIYADI; EKO PRADJOKO; ATAS PRACOYO; YUSRON SAADI; I WAYAN YASA
GANEC SWARA Vol 18, No 1 (2024): Maret 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i1.791

Abstract

Test efforts to find alternatives to increase the even distribution of irrigation water on service land. The results of previous research conducted by researchers show that drip irrigation which is designed in stages with a water source from a drip irrigation tank using two types of emitters in a multi-stage drip irrigation system provides different irrigation water distribution results, so it is necessary to find a solution. so that irrigation can occur evenly. To get an alternative that might be tested is to use several types of emitters in the PVC pipe drip point holes, because these tools already exist on the market. This research aims to determine the effect of using two types of emitters, namely 2 lt/min and 4 lt/min emitters on distribution of irrigation water in a 4-tiered drip irrigation network. The test data analyzed includes irrigation distribution data, flow discharge data and irrigation uniformity (Cu), and the results of the analysis are presented in the form of tables and graphs and discussed before conclusions are drawn. The analysis results show that the average Cu for the two types of emitters is above 97%, which is very good and the two emitters have a very even distribution. The difference in distribution volume for each emitter, for a 2ml/min emitter is around 1ml -2 ml and for a 4 ml/min emitter it is 1ml -2 ml, with an irrigation network flow rate of around 84ml/min – 99.7 ml/min.
PENGARUH PENETAPAN WAKTU HUJAN TERHADAP BESARNYA DEBIT BANJIR RENCANA NEGARA, I D G JAYA; WIRADARMA, LALU WIRAHMAN; YASA, I WAYAN; SAIDAH, HUMAIRO; SAADI, YUSRON; SULISTIYONO, HERI; RAI K W, I G AGUNG NGURAH
GANEC SWARA Vol 17, No 4 (2023): Desember 2023
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v17i4.628

Abstract

The aim of this study is to determine the discharge of rainwater runoff from different durations of rain, to determine the magnitude of the differences in the discharge of rainwater runoff produced, and to determine the differences in channel dimensions resulting from differences in the duration of rain used. This study uses 6 years of daily rainfall data recorded at Bengel Station, to calculate the planned flood discharge as an alternative for controlling rain runoff in the Green Asia Housing area with a land area of ±6 hectares, a test time was used with rain times selected as 24 hours and 5 hours. Flood discharge is calculated using the Rational formula with a rain return period of 2 years according to the design area. The results of data analysis will be presented in the form of tables, discussed and concluded descriptively.The results of the study show that there is indeed a quite large difference in flood discharge, where the use of a 24-hour rain period produces a planned discharge that is around 32% lower than the use of a 5-hour rain period. The dimensions of the channel produced for a discharge with a rain duration of 24 hours are also smaller than the dimensions produced by a flow discharge with a rain duration of 5 hours. The fact is that rain events with a duration of shorter than 24 hours are more common than rain events lasting a full day.
Co-Authors Agastya, Dewandha Mas Agus Suroso Agus Suroso Agus Suroso Agustawijaya, Didi S Aini, Niza Husnul Aji, Eko Usman Akmaluddin Akmaluddin Akmaludin Akmaludin, Akmaludin Ali, AM ANID SUPRIYADI Anid Supriyadi Aslam, Firar Bismi ATAS PRACOYO Atas Pracoyo Budianto, M Bagus Budianto, Muh Bagus Didi S. Agustawijaya Didik Agusta Wijaya EKO PRADJOKO Eko Pradjoko Eniarti, Miko Ery setiawan ERY SETIAWAN Ery Setiawan Ery Setiawan Ery Setiawan Estyana, Ema Fathmah Mahmud Ghaisani, Salsa Fajrina Hardi Pratomo Hartana Hartana HARTANA HARTANA Hartana Hartana Hartana, Hartana Hasim, Yanuar Hasyim hasyim, hasyim Hasyim, Hasyim Heri Sulistiyono Heri Sulistiyono Heri Sulistiyono, Heri HERI SULISTYONO Hidayat, Syamsul Hidayaty, Baiq U’un Ratih Humairoh Saidah I Dewa Gede Jaya Negara I Kade Wiratama I Nyoman Merdana I Wayan Joniarta I Wayan Yasa I Wayan Yasa, I Wayan I Wayan, Yasa I.B. Giri Putra Ida Bagus Giri Putra Ihsan Ihsan Ismail Hoesain M. Jaya Negara I.D.G Jaya Negara, I Dewa Gede Jaya Negara, I Dewa Made Julio, Ryan Bagus Julkifli Jurnal Pepadu Karyawan, I Dewa Made Alit Kurdiawan, Ujang Kusuma, Lalu Dea Maulana Diendy Lalu Wirahman Lalu Wirahman Lalu Wirahman W M Bagus Budianto M.Bagus Budianto Made Mahendra Mahendra, Made Merdana, I Nyoman Miko Eniarti Miko Eniarti Muhajirah, Muhajirah N, Aditya Febrianto NEGARA, I D G JAYA Ngudiyono Ni Nyoman Kencanawati Pathurahman PRACOYO, ATAS Putra, I B. Giri Putra, I.B. Giri RAI K W, I G AGUNG NGURAH Rohani Rohmayani, Hairun Nisak Rudy Putera Kurniawan Saidah H Salehudin Salehudin Salehudin Salehudin Salehudin Salehudin Salehudin Salehudin, Salehudin Sulaimiah Sulhaini Sulhaini Sulistyono, Heri Supardi Supardi Suparjo SUPRIYADI, ANID Suteja I.W Tampang, Tampang Tri Sulistyowati Veithzal Rivai Zainal Wakidi Wakidi WIRADARMA, LALU WIRAHMAN Wirahman, Lalu