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Hartana, Hartana
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Journal : Jurnal Sains Teknologi dan Lingkungan (JSTL)

 1 
Analisis Dampak Perubahan Tata Guna Lahan terhadap Debit Limpasan di Kecamatan Selaparang dan Mataram Budianto, Muh Bagus; Sulistiyono, Heri; Setiawan, Ery; Hartana, Hartana; Zainudin, Rahman
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 10 No. 3 (2024): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v10i3.748

Abstract

Selaparang and Mataram Districts are two of the six districts in the Mataram City area that experience changes in land use every year. This change can affect the absorption capacity of groundwater in the area to decrease so that if there is rain with a fairly high intensity, it can cause water to overflow to the surface and inundate the area. This study was conducted to determine the runoff discharge that occurred due to changes in land use that occurred in 2013, 2018, and 2023, and to compare the runoff discharge in 2023 with the runoff discharge based on the Regional Spatial Plan of Selaparang and Mataram Districts in 2011-2031. The initial stage in this study was to collect several secondary data such as rainfall data, land use based on the regional spatial plan, and others that can be obtained from related agencies. After that, the next stage is the delineation of the catchment area and land use analysis with the help of ArcGis and Google Earth software, as well as runoff discharge analysis. The results of the analysis show that the percentage increase in runoff discharge that occurred in Selaparang District in 2013-2018, 2018-2023, and 2013-2023 was 2.21%, 1.40%, and 3.64%, respectively. Meanwhile, the percentage increase in runoff discharge in Mataram District in 2013-2018, 2018-2023, and 2013-2023 was 2.43%, 0.73%, and 3.18%, respectively. Based on this, it can be concluded that the reduction in green land area and the increase in built-up land area each year will cause an increase in the runoff coefficient value, so that the runoff discharge that occurs in Selaparang and Mataram Districts also increases every year.
Pengaruh Diameter Pipa Primer Pada Irigasi Tetes Bertingkat Negara, I Dewa Gede Jaya; Hartana, Hartana; Supriyadi, Anid; Saadi, Yusron; Yasa, I Wayan; Julio, Ryan Bagus
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 10 No. 1 (2024): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v10i1.573

Abstract

Multilevel drip irrigation is an irrigation method that supports water-saving agricultural activities in limited areas by channeling water through perforated pipes from emitters. An ideal multilevel drip irrigation system can provide the same volume of droplets to plants, so that the distribution of irrigation water and the uniformity of drip irrigation are important factors that need to be considered when using drip irrigation to provide plant irrigation. This research aims to determine the effect of using variations in the diameter of PVC pipes as primary pipes on the distribution of drip irrigation and its uniformity. The primary irrigation network tested for each network to the 1st floor to the 3rd floor consists of ½", ¾" diameter and 1" pipe, while the secondary and lateral drip pipe networks use ½" PVC. The test was carried out on an area of 4 m x 1 m x 1.8 m with a distance between levels of around 0.9 m, with an irrigation water source from a 200 liter tank placed on a tower with a height of 2.5 m.The results of the research show that the discharge produced by the main pipe is different on each floor of the irrigation network, on the 1st floor the discharge is 127.13 cm3/second and on the 3rd floor the discharge is 120.91 cm3/second, while on the 2nd floor the discharge is between the values of the 1st floor discharge. and 3rd floor. Regarding the results of the distribution of drip irrigation water volume, it is known that the average does not show significant differences due to differences in network operations or due to differences in pipe diameters used, where the values for floors 1 to 3 are respectively 68.75 ml, 68 .47ml, 68.19ml. The uniformity of drip irrigation shows results above 94% on all network floors and is considered very good.
Pengaruh Variasi Diameter Pipa Primer Terhadap Pola Resapan Air Irigasi tetes Bertingkat Pada Media Tanam Polybag Negara, I Dewa Gede Jaya; Hartana, Hartana; Supriyadi, Anid; Suroso, Agus; Julio, Ryan Bagus
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 10 No. 2 (2024): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v10i2.603

Abstract

Multilevel drip irrigation is an irrigation method that supports water-saving agricultural activities in limited areas by channeling water through perforated pipes from emitters. The ideal multistage drip irrigation system can provide the same drip volume to plants, so the distribution of irrigation water and its depth need to be important factors to pay attention to in order to provide optimal plant irrigation. This research aims to determine the effect of using variations in primary channel pipe diameter on the distribution of drip irrigation and the depth of infiltration of irrigation products in a 3 (three) tier drip irrigation network. Tests were carried out on primary pipes from floors 1 to 3 with a diameter of ½", ¾" and pipes 1", with lateral drip pipes with ½" PVC. The size of the test field is 4 m x 1 m x 1.8 m and the distance between levels is around 0.9 m and the irrigation water source from a 200 liter tank is 2.5 m high. The research results showed that irrigation distribution results were quite good at all levels of the irrigation network, namely 70 ml and 68 ml. Irrigation patterns do not have a significant effect on the results of irrigation distribution due to variations in primary pipe diameter. A soil composition of 30% compost has achieved irrigation infiltration with a depth of 21 cm, including the fastest, namely 25 minutes and for 70% soil, an irrigation infiltration time of 35 minutes is required.
Co-Authors Abdillah, Ahmad Imaduddin Afika, Alzam Agus Suroso Agustawijaya, Didi Supriadi Ahmad, Farizi Aji Hari Setiawan , Puguh Aji Hari Setiawan, Puguh Akmaluddin Akmaluddin Al’jufri, Muhammad Bagir Andri Andri Annika Rahmawati Aris, Mokhamad Azza, Viola Meiryan Budianto, Muh Bagus Darusalam, Azzam Firdaus Dharma, Bagus Widhi Didik Suhariyanto Ery setiawan Fajar Kurniawan Hariyadi, Hariyadi Heri Sulistiyono, Heri Heru Afriandi Akbar, Mohamad Hidayaty, Baiq U’un Ratih Humairoh Saidah I Dewa Gede Jaya Negara I Wayan Yasa, I Wayan Ihtiar, Rizky Alfatihatul Iryani, Dewi Ismail Ismail Ismali, Ismail Jauhar Fajrin, Jauhar Julio, Ryan Bagus Mahfudzi, Razi Naibaho, Alson Nino, Tursino Nyoman Tio Rae, G. Panjaitan, Aleks Leo Prasetyo, Bony Raden Deasy Mandasari Rosdianto, Didiet Satria Purnama, Asep Setiawan, Puguh A.J. Setiawan, Puguh Aji Setiawan, Puguh Aji Hari Sudarsono, Putut Heri Sukma, Dwi Mahenra Supriadi, Anid SUPRIYADI, ANID Tamata, Braja Larkov Tio Rae, G.nyoman Yasmiati, Ni Luh Wayan Yusron Saadi Zainudin, Rahman