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Pendugaan Sebaran Intrusi Air Laut di Desa Jeulingke Menggunakan Metode 2D Resistivitas Amsir, Amsir; Marvita, Yurda; Masrurah, Zakia; Gunarsih, Dina
Phi: Jurnal Pendidikan Fisika dan Terapan Vol 9, No 1 (2023)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v9i1.17523

Abstract

Intrusi air laut merupakan proses terdesaknya air bawah tanah tawar oleh air laut di dalam akuifer pada daerah pesisir pantai. Penelitian ini bertujuan untuk menganalisis sebaran intrusi air laut di kawasan Jeulingke berdasarkan nilai resistivitas. Data 2D resistivitas diperoleh dari pengukuran data geolistrik menggunakan konfigurasi Wenner-Schlumberger dengan jumlah 3 lintasan. Hasil Penampang 2D resistivitas bawah permukaan pada daerah penelitian menunjukan nilai resistivitas lapisan bawah permukaan bervariasi antara 0,2 – 10 ohm.m pada ketiga lintasan pengukuran, yang menunjukkan terdapatnya tiga lapisan kondisi air bawah permukaan, yaitu air asin, air payau, dan air tawar, dengan kondisi lapisan bawah permukaan daerah penelitian terdiri dari material lepas berupa kerakal, kerikil, pasir, lanau, dan lempung yang merupakan material dari endapan aluvium. Berdasarkan interpretasi data geolistrik, menunjukkan bahwa intrusi terjadi pada ketiga lintasan dengan kedalaman yang bervariasi antara 0,5 m sampai dengan >36 m. Interpretasi menunjukkan bahwa intrusi air laut sudah tersebar merata sepanjang bentangan lintasan pengukuran dengan terdapatnya nilai resestivitas 0.2 Ohm.m yang mengindikasikan adanya intrusi air laut.
Penentuan Litologi Bawah Permukaan Menggunakan Metode Seismik Refraksi Di Perumahan Grand Aceh Baet Dari, Adinda Wulan; Mufadhillah, Putri Aulia; Annisa, Rivina; Aisyah, Alicia; Amsir, Amsir; Masrurah, Zakia
Phi: Jurnal Pendidikan Fisika dan Terapan Vol 8, No 2 (2022)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v8i2.15896

Abstract

Pembangunan infrakstruktur yang terus dilakukan pada Kecamatan Baitussalam ialah pembangunan perumahan. Dengan meningkatnya pembangunan perlu dipertimbangkan kondisi geologi sekitar serta informasi litologi bawah permukaan. Metode seismik refraksi berguna untuk mendapatkan informasi terkait kondisi bawah permukaan yang berhubungan dengan zona kontak antara batuan dengan tanah. Pada penelitian ini dilakukan akuisisi data lapangan yang menghasilkan dua lintasan dengan menggunakan panjangan lintasan 300 m. Dari hasil pengolahan data didapatkan adanya tiga lapisan pada masing-masing lintasan. Lapisan pertama pada kedua lintasan merupakan lapisan pasir lempungan dengan rentang nilai 500-1000m/s dan 800-1100m/s. Lapisan kedua pada kedua lintasan identifikasikan sebagai lapisan lempung dengan rentang nilai 1300-1900m/s dan 1600-1900m/s. Lapisan ketiga pada kedua lintasan identifikasikan sebagai lapisan batupasir dengan rentang nilai 2000-2500m/s dan 1900-2400m/s.
Evaluation of GSMaP Rainfall Data in the Aceh Region Sahlan, Muhammad; Ilhamsyah, Yopi; Fadli, Muhammad; Masrurah, Zakia
Journal of Climate Change Society Vol. 2 No. 1 (2024)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol2-iss1/21

Abstract

Rainfall measurement data in the field is quite limited, however, satellite data obtained by remote sensing methods are widely available. However, its accuracy must still be tested using observational rainfall data. The objective of this research was to validate GSMaP satellite estimated rainfall data with Automatic Rain Gauge (ARG) rainfall data at rain stations dispersed over Aceh Province's west-central region, as well as to identify the primary drivers for GSMaP data error. ARG and GSMaP data sources. A comparison of GSMaP data accuracy using a combination of Pearson and RMSE tests shows that GSMaP performance is very low in the dry and transition seasons and significantly better in the rainy season. GSMaP, on the other hand, is still unable to offer sufficient precise rainfall estimation data for each season. Meanwhile, a comparison by elevation shows that GSMaP data is not fully reliable.
Morphometric characteristics of Lake Limboto as critical lake in Gorontalo Province, Indonesia YUNGINGER, RAGHEL; PATUTI, INDRIATI MARTHA; SUPU, IDAWATI; GAFUR, NURFITRI ABDUL; ZULKIFLI, MUHAMMAD; HASAN, ELFIRAWATI; MASRURAH, ZAKIA; ZULAIKAH, SITI; TISEN, TISEN
Jurnal Natural Volume 24 Number 2, June 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v24i2.34071

Abstract

This research aims to investigate the factors leading to siltation in Lake Limboto by analyzing its morphometric characteristics gathered through direct field measurements and remote sensing using Geographic Information System (GIS). Lake Limboto covers an approximate surface area of 26.09 square kilometers, boasts a maximum depth of 4 meters, and maintains an average depth of 2.83 meters. The Shoreline Development Index (SDI) stands at approximately 2.57, indicating an irregular shape of the lake's water body, while the Lake Volume Development (VD) index, at 2.12, suggests a generally flat lake bottom. The Relative Depth (Zr) registers at around 0.69%, as observed from the water turbidity level. The lakebed relief in the vicinity of the lake's periphery is predominantly flat and shallow, particularly in the western, northern, and southern regions, with depths measuring less than 2 meters. In contrast, the lakebed relief in the central and eastern sections tends to be less flat but still features depths of less than 4 meters. Siltation in Lake Limboto primarily results from high sediment input originating from erosion processes, agricultural activities, and settlements in the surrounding area.
ANALISIS PEMAHAMAN BENCANA LIKUIFAKSI PADA SISWA MENENGAH ATAS LABORATORIUM USK, BANDA ACEH Masrurah, Zakia; Amsir, Amsir; Sartika, Dewi; Muhni, Akmal; Azmi, Nurul; Marvita, Yurda; Safitri, Rini
Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Vol. 1 No. 5 (2023): Oktober
Publisher : CV. Alina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59407/jpki2.v1i5.99

Abstract

Likuifaksi merupakan fenomena hilangnya kekuatan lapisan tanah akibat getaran gempa. Banda Aceh termasuk ke dalam zona rawan likuifaksi berdasarkan identifikasi penurunan tanah lehih dari 20 cm. Agar perencanaan dan langkah mitigasi tepat dan efektif maka perlu pemahaman yang baik oleh masyarakat sekitar terhadap ancaman dan dampak yang ditimbulkan oleh bencana likuifaksi. Tujuan dilakukannya pengabdian ini ialah untuk mengetahui tingkat pemahaman siswa SMA Laboratorium USK terhadap bencana likuifaksi. Metode pengabdian ini dilakukan dengan melakukan studi literatur terkait potensi dan bencana likuifaksi di Kota Banda Aceh, merumuskan pertanyaan permasalahan terkait pemahaman siswa terhadap bencana likuifaksi, melakukan pengumpulan data melalui survei online dengan metode wawancara kepada informan. Berdasarkan survei online yang telah dilakukan terlihat dari ≥40 responden (≥80%) yang mengetahui jenis bencana yang disebabkan oleh adanya likuifaksi dan hampir 40 responden (≈80%) yang tidak mengetahui apa itu istilah likuifkasi. Disisi lain, tingkat pemahaman siswa terkait bencana likuifkasi masih kurang karena sebagian besar siswa telah memahami defenisi dan contoh manifestasi likuifaksi dibuktikan dengan presentase responden yaitu rata-rata >50% atau sekitar >25 orang. Namun mereka kurang memahami faktor-faktor yang menyebabkan terjadi likuifaksi dibuktikan dengan persentase responden yang mampu menjawab soalan dan uraian terkait penyebab likuifaksi yaitu rata-rata <50% atau <25 orang
ANALYSIS OF AGRICULTURAL SOIL CONDITIONS 20 YEARS POST-TSUNAMI USING RESISTIVITY AND SOIL PH METHODS Adiannur, Rahiel; Amsir, Amsir; Masrurah, Zakia; Marwan, Marwan; Mohammed, Mustapha Adejo
Indonesian Physical Review Vol. 8 No. 2 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i2.463

Abstract

The tsunami that struck Aceh in 2004 caused significant damage to agricultural land, altering soil properties and affecting productivity. Mon Ikeun Village was one of the most affected areas in the Lhoknga Subdistrict of Aceh Besar Regency. As an agricultural area vulnerable to soil salinization, it faced reduced soil quality, fertility, and nutrient availability risks, which could significantly decrease crop productivity. Therefore, assessing the current condition of agricultural soils is essential to determine whether recovery has occurred or if contamination persists. This research investigates the condition of agricultural soils two decades after the tsunami by analyzing resistivity and soil pH measurements. The resistivity data were collected using a SuperSting R8 device with a Wenner configuration and subsequently processed with IPI2WIN. The pH was determined with a Hanna HI 991001 pH Meter. The results reveal that the affected soils present resistivity values between 9.06 Ωm and 131 Ωm, indicating compositions of sandy clay and sand layers. Soil pH ranges from 4.9 to 6.2, indicating slightly acidic to near-neutral conditions, suitable for agriculture. These results indicate a substantial recovery in soil conditions, especially when compared to a control site in a non-affected area with similar land characteristics. This reinforces the interpretation that the tsunami’s impact has diminished over time. This recovery is likely influenced by natural processes such as leaching of contaminants through rainfall. This integrated approach effectively evaluates long-term changes in agricultural soil affected by the tsunami. However, to obtain a clearer understanding of the soil recovery process, future studies could include additional measurements such as soil nutrient analysis, electrical conductivity, or salinity levels to offer more detailed insights.
ANALYSIS OF LANDSLIDE DISASTER POTENTIAL IN MEULABOH AREA, WEST ACEH REGENCY, ACEH USING RESISTIVITY AND GEOSPATIAL METHODS Agnia, Lasin; Amsir, Amsir; Marwan, Marwan; Masrurah, Zakia; Pramana, Agus Hari
Indonesian Physical Review Vol. 8 No. 2 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i2.469

Abstract

Meulaboh, in West Aceh Regency, is one of the areas with potential for landslides. The goal of this research is to identify soil conditions that could lead to landslides based on resistivity data, as well as to analyze the distribution of landslide potential using geospatial data. This research provides benefits to various stakeholders, including the government. It contributes to improved disaster mitigation planning, reduced risk of losses, and the selection of appropriate materials to construct more disaster-resilient infrastructure. The research methods used are 2D resistivity and geospatial methods with weighted overlay analysis. Based on the processing results of 2D resistivity data from profiles 1 and 2, the study area is characterized by silt, sand, and sandstone. The resistivity values of the material in profile 1, identified for silt, range between 1 and 119 Ω.m at depths of 2-59 meters. For sand, the resistivity values range between 120-225 Ω.m at 2-61 meters depths. Sandstone has resistivity values that range between 226-500 Ω.m at depths of 3-62 meters. The resistivity values of the material in profile 2, identified for silt, range between 1-119 Ω.m at depths of 1.5-60 meters. For sand, the resistivity values range between 120-225 Ω.m at 9-59 meters depths. Sandstone has resistivity values that range between 226-500 Ω.m at depths of 15-39.4 meters. The presence of silt (1-119 Ω.m) increases the potential for landslides due to its cohesive nature. Based on the weighted overlay analysis processing results, the study area has a moderate potential for landslides. The study area has characteristics such as a gentle to steep slope (8-45%), a high rainfall rate (2500-3000 mm/yr), a lithology consisting of rocks from the Tutut Formation, including silt, sand, and a small amount of conglomerate, and land that is used for plantations and rice fields.
Analisis Struktur Kristal Silika (SiO2) dengan Metode Sol Gel sebagai Aplikasi TLD (Thermoluminescence Dosimeter): - Azmi, Nurul; Safitri, Rini; Mursal, Mursal; Amsir, Amsir; Masrurah, Zakia
ARMADA : Jurnal Penelitian Multidisiplin Vol. 2 No. 6 (2024): ARMADA : Jurnal Penelitian Multidisplin, Juni 2024
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi 45 Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/armada.v2i6.1344

Abstract

Telah dilakukan sintesa silika (SiO2) dengan metode sol gel sebagai salah satu material TLD. Penelitian ini bertujuan mensintesa material TLD dari bahan SiO2 dan melihat bentuk struktur kristal, morfologi permukaan, beserta dari sifat optik material tersebut. Komposisi dasar kimia yang digunakan dalam penelitian ini adalah tetraethyl orthosilicate (TEOS) (4.5% mol), air (85.1% mol), hydrochloric acid (6.1% mol), etilen glikol (4.3% mol). Hasil dari pencampuran dimasukkan ke dalam cetakan berbentuk cakram yang tebalnya 1 mm dan diameter 2 cm dan 8 mm. Sampel gel kering yang diperoleh selanjutnya di sintering pada suhu 350⁰Ϲ, 500⁰Ϲ, dan 830⁰Ϲ. Kemudian sampel SiO2 dikarakterisasi dengan menggunakan XRD, SEM/EDS. Hasil penelitian menunjukan bahwa struktur SiO2 yang masih berbentuk amorf, namun memiliki ukuran butir kristal yang kecil sebesar 3,03 nm. Morfologi permukan dari SiO2 terlihat terdistribusi secara homogen. Berdasarkan karakteristik dari bahan tersebut dapat disimpulkan bahwa, silika doping aluminium dapat digunakan sebagai TLD.
SUBSURFACE SOIL CHARACTERISATION USING VERTICAL ELECTRICAL SOUNDING FOR SUPPORTING INFRASTRUCTURE DEVELOPMENT AT SYIAH KUALA UNIVERSITY Amsir, Amsir; Masrurah, Zakia; Aflah, Nurul; Pramana, Agus Hari; Baramsyah, Haqul
Indonesian Physical Review Vol. 9 No. 1 (2026)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v9i1.529

Abstract

This study characterises the subsurface soil properties in the western sector of Syiah Kuala University, specifically the Kopelma Darussalam area, using Vertical Electrical Sounding (VES) with a Schlumberger configuration. Nine measurement points were deployed to obtain resistivity profiles supporting infrastructure development planning. The results indicate that the surface layer (0–15 m) exhibits high resistivity (12.0–270.2 Ωm), suggesting dry sandy material with high permeability and sufficient bearing capacity. Below 15–30 m, resistivity decreases (1.9–26.5 Ωm), indicating a water-saturated layer potentially functioning as an aquifer, which has implications for soil stability. The deepest layers (>30 m) show low resistivity (<5 Ωm), reflecting low-permeability materials less suitable for heavy construction, though some high-resistivity anomalies suggest dense sandstone formations suitable for foundations. These findings provide preliminary geotechnical zoning insights, aiding developers in selecting appropriate foundation locations, improving construction safety, and ensuring long-term infrastructure stability at University Syiah Kuala.