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All Journal JURNAL ECONOMIA IPTEK The Journal for Technology and Science AKSIOMA Jurnal Pendidikan Matematika Journal of Information Technology and Computer Science (JOINTECS) Sebatik Elipsoida : Jurnal Geodesi dan Geomatika J SIG (Jurnal Sains Informasi Geografi) ILKOMNIKA: Journal of Computer Science and Applied Informatics Buletin LOUPE (Laporan Umum Penelitian) TEPIAN Buletin Poltanesa Sewagati Journal of Geomatics Engineering, Technology, and Science Geoid - Journal of Geodesy and Geomatics
Nia Kurniadin
Politeknik Pertanian Negeri Samarinda
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Mathematics Public Health Social Sciences Other

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Pemantauan Perubahan Total Suspended Solid di Sungai Mahakam Kota Samarinda Menggunakan Citra Satelit Sentinel-2 Tahun 2018, Tahun 2021, dan Tahun 2024 Sinthia Putri Agustin; Nia Kurniadin; Dwi Agung Pramono; Shabri Indra Suryalfihra
Journal of Geomatics Engineering, Technology, and Science Vol. 4 No. 1 (2025): September 2025
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v4i1.56

Abstract

This research is motivated by the importance of the Mahakam River as a vital source of livelihood and economic activity in the city of Samarinda, where water quality requires special attention. One of the key parameters in determining water quality is Total Suspended Solids (TSS), which indicates the amount of suspended particles in the water and affects both water clarity and aquatic ecosystems. Conventional water quality monitoring methods are often time-consuming and costly. Therefore, remote sensing technology using Sentinel-2 satellite imagery provides a more efficient alternative for monitoring TSS changes in the Mahakam River over time. Based on the analysis of Total Suspended Solids (TSS) using the Budhiman and Parwati algorithms in the Mahakam River, it was found that TSS values changed during the period from 2018 to 2024. In 2018, TSS values based on the Budhiman algorithm ranged from 101.4181 mg/L to 151.0301 mg/L, while the Parwati algorithm showed a range from 125.1161 mg/L to 221.8730 mg/L. The highest TSS level in 2018 was recorded at STA 06 according to both algorithms. In 2021, the highest TSS value based on the Budhiman algorithm reached 538.0830 mg/L at STA 17, while the Parwati algorithm recorded a peak of 897.9948 mg/L at STA 01. In 2024, the Budhiman algorithm noted a significantly high value of 227.9285 mg/L at STA 21, while the Parwati algorithm showed the highest value of 954.8387 mg/L at STA 04.
Monitoring Perubahan Garis Pantai Menggunakan Citra Satelit Sentinel-2 di Kelurahan Manggar Kota Balikpapan Tahun 2016 – Tahun 2024 Muhammad Adry Yansi; Nia Kurniadin; Shabri Indra Suryalfihra; Romansah Wumu
Journal of Geomatics Engineering, Technology, and Science Vol. 4 No. 1 (2025): September 2025
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v4i1.61

Abstract

The coastal area has dynamic characteristics that continuously change due to the influence of complex interactions between natural factors and human activities. These changes are triggered by pressures from natural phenomena (such as erosion and flooding) as well as human activities on land and at sea, such as the development of settlements and the conversion of forests into agricultural land or aquaculture. The impacts of these activities can disrupt the stability of coastal ecosystems. In the coastal area of Manggar Village, which is home to several tourist destinations, the presence of tourist attractions and the development of supporting tourism infrastructure have the potential to alter the structure of the coastline. This activity necessitates research to conduct periodic monitoring in the form of determining the coastline affected by the extent of erosion and accretion from 2016 to 2024 every two years. The objective of this research is to present biannual data related to the dynamics of coastline changes and to measure the area affected by erosion (degradation) and accretion (sedimentation addition) in the coastal area of Manggar Village during the period of 2016-2024. The method used leverages remote sensing technology through Sentinel-2 image analysis with the NDWI (Normalized Difference Water Index) algorithm and land-sea segmentation techniques to accurately separate water and land areas. The results of this research are expected to serve as a scientific reference for sustainable coastal area management. This study shows results indicating that the coastline length in 2016 was 6,222 m or 6.2 km, and in 2024 it was 6,130 m or 6.1 km. The erosion from 2016 to 2024 covered an area of 115,770 m², while the accretion covered an area of 14,600 m². The findings of this research provide a clear picture
Pemetaan Perubahan Tutupan Lahan di Kota Baubau Provinsi Sulawesi Tenggara Tahun 2015, 2019, dan 2023 Shal Sha Nur Sabilla Savitri; Nia Kurniadin; Ahmad Aris Mundir Sutaji; Andi Baso Sofyan A. P.
Journal of Geomatics Engineering, Technology, and Science Vol. 4 No. 1 (2025): September 2025
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v4i1.63

Abstract

This study was conducted to determine land cover changes in Baubau City, Southeast Sulawesi Province, in 2015, 2019, and 2023. As a center of economic and social activity, Baubau City is experiencing rapid regional development, necessitating an analysis of changes in its land use. This study also aims to identify the types of land that have undergone changes and the factors influencing these changes. The method used in this study is spatial analysis using Landsat 8 satellite imagery with a supervised classification technique using the Support Vector Machine (SVM) algorithm. The land cover types analyzed include clouds, forest land, agricultural land, open land, and settlements. The data used is Landsat 8 satellite imagery from 2015, 2019, and 2023. The imagery data was then processed using ArcGIS software to identify and map changes that occurred between years. The research process included data collection, image processing, classification, change analysis, and map creation. The results of the study indicate that from 2015 to 2023, there were significant changes in land cover in Baubau City. In 2019, some areas were covered by clouds, affecting land interpretation results, but a trend of change was still visible. Agricultural land showed a decreasing trend in area from 76.99 km² in 2015 to 68.51 km² in 2019, and continued to shrink to 34.53 km² in 2023, so that agricultural land showed a narrowing. In 2015, the area of residential land was recorded at 21.51 km², then shrank to 14.01 km² in 2019, and increased sharply to 36.33 km² in 2023, so that residential land showed an increase. Forest land has consistently increased, from 116.16 km² in 2015 to 121.09 km² in 2019, and continues to grow to 138.95 km² in 2023, resulting in forest land shrinking. Based on these results, it can be concluded that the direction of Baubau City's development tends towards residential expansion, displacing agricultural land. Therefore, sustainable spatial management is needed to maintain ecological functions.
Pemetaan Tingkat Kerawanan Longsor Berbasis Sistem Informasi Geografis (SIG) di Wilayah Kota Bandung Provinsi Jawa Barat Yuannita Yuannita; Dawamul Arifin; Nia Kurniadin; Radik Khairil Insanu
Journal of Geomatics Engineering, Technology, and Science Vol. 4 No. 1 (2025): September 2025
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v4i1.64

Abstract

Landslides are one of the most frequent and destructive natural disasters in West Java Province, particularly in Bandung City, which is characterized by varied topography, high rainfall, and rapid land-use change. This study aims to analyze and map the spatial distribution of landslide susceptibility in Bandung City using the Weighted Overlay method based on Geographic Information Systems (GIS). Five parameters were applied in the analysis: slope, rainfall intensity, soil type, rock type, and land use. Each parameter was classified and weighted according to its influence on landslide occurrence. The analysis revealed that the landslide susceptibility levels in Bandung vary from low to very high. The largest area, covering 49.88%, falls within the moderate susceptibility class, while 36.02% of the area is categorized as high to very high susceptibility. High rainfall intensity and extensive land-use conversion in hilly regions were identified as the dominant contributing factors to landslide potential, supported by steep slopes and easily weathered geological formations. The resulting susceptibility map provides essential spatial information for local government authorities in developing sustainable land-use planning, risk mitigation strategies, and community preparedness programs. The study highlights the effectiveness of GIS-based analysis for environmental hazard assessment and emphasizes the need for high-resolution data integration in future research to improve mapping accuracy.
Evaluasi Pemanfataan Foto Udara untuk Perhitungan Volume StockROM 74 di PT Mitra Indah Lestasi Audi Qhoryaty Salsabillah; Nia Kurniadin; Dwi Agung Pramono; Feri Fadlin
Journal of Geomatics Engineering, Technology, and Science Vol. 4 No. 2 (2026): March 2026
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v4i2.65

Abstract

Survey activities in the mining sector generally use terrestrial methods, total stations are one of the tools used. The use of total stations is considered inefficient because it requires many surveyors and takes a long time. Technological developments in the field of surveying allow the use of photogrammetry methods with drones/UAVs as tools for mapping in the mining sector, including in calculating the volume of stockROM (Run of Mine) using aerial photographs. The advantages of using this method include being able to cover a wider area in a relatively short time, surveyor efficiency, and more affordable costs. However, we still need to assess the quality and accuracy of stockROM volume calculations by comparing them to terrestrial topographic data. StockROM 74 PT Mitra Indah Lestari was taken as a sample in this study. Aerial photo data was processed using Agisoft Metashape to produce DEM data. The DEM was processed to produce contour data. On the other hand, this DEM was also processed to obtain point values using the extract value to point method using ArcGIS. Topographic data from measurements using a total station is used as a comparison. The three data sets—contour data, point data, and topography—were processed using a triangulation method using Minescape to generate StockROM volume values, which were then compared. The difference in volume between contour processing and topographic data is 6%, while between point processing and topographic data is 0.00197%.
Pemetaan Batimetri dan Karakteristik Morfologi Dasar di Sungai Manggar Sekitar Jembatan Dua Manggar Kecamatan Balikpapan Timur Kota Balikpapan sebagai Indikasi Potensi Gerusan Lokal Muhammad Fajar Dharu Kusuma; Radik Khairil Insanu; Feri Fadlin; Nia Kurniadin
Journal of Geomatics Engineering, Technology, and Science Vol. 4 No. 2 (2026): March 2026
Publisher : Geomatics Technology Study Program, Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/gets.v4i2.66

Abstract

Manggar River is part of the Manggar Kecil watershed in Balikpapan City, covering an area of 24.07 km² and emptying into the Makassar Strait. The river is actively traversed by various types of watercraft near Jembatan Dua Manggar (Manggar Second Bridge), yet no bathymetric data have been available to support navigational safety, and no prior study has examined the riverbed morphology or potential local scour around this bridge. This study aimed to map the underwater topography of the Manggar River around Jembatan Dua Manggar through hydrographic survey, to interpret its morphological characteristics, and to identify potential scour or sedimentation zones that may affect navigational safety and infrastructure. Data collection was conducted on 8–9 March 2024, comprising bathymetric sounding using a Map Sounder at 5-second intervals, 25-hour tidal observation, and riparian topographic measurement using a Comnav T300 geodetic GPS. Survey lines were planned in cross and longitudinal patterns with 30-meter intervals. Depth data were corrected against the Mean Sea Level (MSL) value of 1.320 m derived from tidal observations. Processing yielded 1,036 depth points, ranging from a shallowest depth of -1.1616 m at the downstream section to a deepest of -15.442 m upstream, with an average correction difference of 1.15 m. River bed topography varies from gentle slopes in the downstream reach (average 2–3 m) to a scour-hole (trough) formation upstream reaching a maximum depth of 15.442 m approximately 80 m from the bridge, indicating a potential local-scour zone that warrants periodic monitoring. A bathymetric map with 1-m minor and 5-m major contour intervals was produced using AutoCAD Civil 3D and ArcGIS 10.8 software, and can serve as baseline data for future monitoring of riverbed morphology changes and local-scour evaluation around Jembatan Dua Manggar.
Co-Authors A. Arifin Itsnani SM A. Arifin Itsnani SM A. Arifin Itsnani SM Agum Gumelar AGUM GUMELAR, AGUM Ahmad Aris Mundir Sutaji Ahmad Aris Mundir Sutaji Akhmad Maulidi Andi Baso Sofyan A. P. Andi Baso Sofyan A.P Andi Nur Rahman Andi Nur Rahman Andriani Nadia Rahmawati Anggraini Anggraini Annafiyah Annisa Amelia Arida Vania Firdaus Aries Sulisetyono Arsya Farky Fadjuani Artanti Tustika Artanti Tustika Audi Qhoryaty Salsabillah Auliana Diah Wilujeng Austro Yoris Padatuan Ayub Artha Christ Tiyawarman Ayub Artha Christ Tiyawarman Dawamul Arifin Dawamul Arifin Dian Pratiwi Nurdin Dio Caisar Darma Dwi Agung Pramono Dwi Agung Pramono Dwi Agung Pramono Dyah Widyasasi Dyah Widyasasi Eddy Setyo Koenhardono, Eddy Setyo Eko Junirianto Eny Maria F. V. Astrolabe Sian Prasetya F. V. Astrolabe Sian Prasetya Fadlin , Feri Fadlin, Feri Feri Fadlin Feri Fadlin Feri, Wawan Fitriansyah, Fitriansyah Gandung Sugita Gusti Noorlitaria Achmad Hadi, Pravasta Kiko Setiawan Hasanudin Hasanudin Hasanudin Herlan Herlan Ida Maratul Khamidah Jaelani, Lalu Muhamad Karim, Syafei Karno Karno M. Faisal Abimanyu M. Kurniawan Milatus Sholihah Mukarromah Muhammad Adry Yansi Muhammad Faisal Bashiir Muhammad Fajar Dharu Kusuma Muhammad Havit Pratama Muhammad Renaldi Arianda Muhammad Rizki Muhammad Rizki Muhammad Yani Muhammad Yani, Muhammad Namira Nur Azzahro Namira Nur Azzahro Nurgiantoro, Nurgiantoro Pamungkas, Adjie Pramono, Dwi Agung Pratiwi Wijayanti Radik Khairil Insanu Radik Khairil Insanu Resti Limehuwey Rio Adiputra Rofikhotul Khoeriyah Romansah Wumu Rudi Djatmiko Ryo Anugrah Sandi Pranata Shabri Indra Suryalfihra Shabri Indra Suryalfihra Shal Sha Nur Sabilla Savitri Sinthia Putri Agustin Suparjo Suparjo Suparjo Sutaji, Ahmad Aris Mundir Syachrani, Syaparliddin Taufan Yanuar Muslim Widyasasi, Dyah Yoga Pratama Yuannita Yuannita Zulfha Diya Nur Ardzilla