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All Journal Jurnal Ilmiah Giga Jurnal Pengabdian Magister Pendidikan IPA
Anggraeni, Juraedah Dwi
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Study of Land Use Change Map in the Irrigation Areas of Gebong and Sesaot, West Lombok Regency Suripto; Sugiarta, Lalu Ade; Anggraeni, Juraedah Dwi; Jupri
Jurnal Pengabdian Magister Pendidikan IPA Vol 6 No 4 (2023): Oktober-Desember 2023
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v6i4.6259

Abstract

The conversion of an area's land cover can provide social and economic benefits for the area but also often has important impacts on the environment. Thus, knowledge and skills in reading land cover change maps from satellite images are very important for Environmental Science students. Work practice for students of the Mataram University Environmental Studies Program was carried out at the West Lombok PUPR Service with the aim of increasing knowledge and skills about reading, analyzing and interpreting land cover change maps through geographic information systems, especially for the irrigation areas of Gebong and Sesaot, West Lombok. Work practice was carried out using lecture, simulations, and practice with assistance methods The results show that participant was proficient in reading, analyzing and interpreting land cover change maps using both the maxilum likelihood method and the manual digitization method. From the results of work practices using the maximum likelihood and manual digitization method, it was known that in the Gebong irrigation area from 2018 to 2023 there will be a reduction in the area of ​​3% (3%) of paddy fields, 1% (4%) of vegetated land, and an increase of 3 (8%) of built-up land. In the Sesaot irrigation area, there was a reduction in the area of ​​vegetated land by 10% (6%), an increase in the area of ​​rice fields by 8% (3%), and built-up land by 2% (2%). It had been confirmed that the built-up land in the two irrigation areas consists of residential and industrial lands.
Identifikasi Lapisan Akuifer Air Tanah menggunakan Metode Resistivitas di Dusun Puaringan, Desa Pelangan, Lombok Barat Erintina, Melinda Dwi; Sismanto, Sismanto; Ubaidillah, Aji Syailendra; Hidayat, Syamsul; Faesal, Andi; Munarfan, ZA; Hermansyah, Wahyu; Syarbini, Khatib; Dermawan, Iwan; Anggraeni, Juraedah Dwi; Gunawan, Hendra
Jurnal Ilmiah Giga Vol. 28 No. 1 (2025): Volume 28 Edisi 1 Tahun 2025
Publisher : Universitas Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47313/jig.v28i1.4241

Abstract

The aim of this study is to identify the groundwater aquifer layer using the resistivity method in Puaringan, Pelangan Village, West Lombok. The aquifer layer is a layer of rock that has the ability to store groundwater well. This layer also tends to have high porosity so that fluid/water is trapped in the layer. The resistivity method used is vertical electric sounding (VES). This method is effective in detecting the subsurface vertically. Data acquisition was carried out using two sounding points (S1 and S2). Sounding points S1 and S2 were processed using IP2WIN software to produce a picture of the subsurface rock layer. The results of the S1 point study showed that the groundwater aquifer layer was at a depth of 113-126 meters identified as a sandstone layer. The results of the S2 point study showed that the groundwater aquifer layer was at a depth of 105-198 meters identified as a sandstone layer.
Co-Authors Dermawan, Iwan Faesal, Andi HENDRA GUNAWAN B11211055 Hermansyah, Wahyu Jupri Melinda Dwi Erintina Munarfan, ZA Sismanto Sismanto Sugiarta, Lalu Ade Suripto SYAMSUL HIDAYAT Syarbini, Khatib Ubaidillah, Aji Syailendra