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Identifikasi Urban Heat Island Kota Padang Menggunakan Teknik Pengindraan Jauh dan Sistem Informasi Geografis Fajrin Fajrin; Dwi Marsiska Driptufany
JURNAL TEKNIK SIPIL ITP Vol 6, No 1 (2019): JURNAL TEKNIK SIPIL (JTS) ITP
Publisher : LP2M ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Urban Heat Island (UHI) adalah sebuah fenomena lingkungan di mana suhu (misalnya bangunan, beton, aspal dan aktivitas industri) di daerah perkotaan secara signifikan lebih tinggi daripada di daerah pedesaan di dekatnya. Banyak bukti telah membuktikan bahwa itu dapat menyebabkan beberapa efek buruk bagi masyarakat, seperti peningkatan konsumsi energi. Suhu permukaan tanah (LST) diambil dari tiga perekaman data Landsat multitemporal untuk menganalisis pola spasial termal dan intensitas permukaan. UHI tidak dapat diketahui hanya melalui pemrosesan citra tanpa mengidentifikasinya dan analisa spasial melalui Sistem Informasi Geografis (SIG), proses penelitian ini ditandai dengan mengkonversi digital number pada citra satelit Landsat 7ETM+ dan Landsat 8 OLI/TIRS pada Band Thermal untuk menghasilkan LST, proses selanjutnya dilakukan di lingkungan perangkat lunak SIG untuk memperoleh sebaran UHI. Hasil analisa sebaran suhu permukaan daratan (LST) menunjukkan bahwa suhu maksimum kota padang tahun 2007 hingga 2013, terjadi kenaikan nilai suhu maksimum daratan kota padang sebesar 3.840C. Sedangkan untuk tahun 2013 hingga 2017 terjadi kenaikan suhu permukaan daratan 1.570C. Sementara itu untuk sebaran UHI kota padang pada periode pengamatan mengalami peningkatan yang signifikan, terdistribusi hampir keseluruh wilayah pinggiran kota dengan luas awal tahun 2007 yakni 31, 37 Ha menjadi 8.754,60 Ha pada tahun 2017.Kata kunci: Landsat, LST, UHI
Analisis Kepadatan Titik dan Geometri Mesh 3D pada Bangunan Gedung Gebouw Van Padangsche Spaarbank Ikhlasul Amal; Fajrin Fajrin; Defwaldi Defwaldi
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 3 No. 4 (2024): November : Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v3i4.4296

Abstract

Cultural heritage archiving by collecting and managing archives that include documents, archiving using the Close Range Photogrammetry method by analyzing the density of points and making a 3D model of the Gebouw Van Padangsche Spaarbank building by taking overlapping photo data from different camera angles. The purpose of this study is to analyze the point density and geometry of the 3D mesh to create an archive, improving efficiency in information management. In this study, the results of 3D modeling of the Gebouw Van Padangsche Spaarbank building with a close-range photogrammetry technique were obtained, resulting in 157 photos used to make 3D models. The flying altitude of the drone is not more than 20 m with the height of each line varies, for Line 1 is at the top line at an altitude of 17 m, Line 2 is at an altitude of 10 m, Line 3 is at an altitude of 17 m, height is 7 m and for Line 4 at an altitude of 3 m The results obtained from this analysis are 94,869 tie points from the results of 144,764, thick clouds 15,393,722, and faces 529,237. The results of the comparison of the dimensional accuracy test of the 3D model building to the actual size in the field resulted in an average distance of 0.1408 m.
Inovasi Pemanfaatan Belimbing Wuluh Menjadi Cemilan Sehat Sahrul Hasan; Rusman Rusman; Nur Ahda Syamsuryani; Hamdani Hamdani; Iyan Febrian; M. Reja Firdaus; Arum Awaliyah; Riski Baitul Alamsyah; Atika Apriyani; Fajrin Fajrin
Cakrawala: Jurnal Pengabdian Masyarakat Global Vol. 3 No. 1 (2024): Cakrawala: Jurnal Pengabdian Masyarakat Global
Publisher : Universitas 45 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30640/cakrawala.v3i1.2134

Abstract

Starfruit is a fruit that is rich in nutrients and has various health benefits. However, starfruit is often neglected and not utilized optimally. Therefore, this research aims to develop innovations in the use of starfruit as healthy snacks. The research methods used are experiment and observation. Starfruit is processed into various sweets. These products are then tested for quality, including taste, texture and nutritional value. The research results show that starfruit can be processed into healthy snacks that are delicious and nutritious. Candied starfruit has a unique and savory taste, and has a soft and naturally sweet texture. Starfruit snacks also provide rich vitamin C. Using starfruit as a healthy snack can provide a healthy and nutritious alternative for the people of South Rabangodu. Apart from that, this can also help reduce waste and utilize the potential of starfruit which is often wasted
Perbandingan Direction Ascending dan Descending di Segmen Sianok Sesar Semangko Menggunakan Metode Ps-InSAR Monalisa Perwanda; Dwi Marsiska Driptufany; Sayidinal Fikri; Dwi Arini; Fajrin Fajrin
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 2 No. 1 (2024): Februari : Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v2i1.183

Abstract

The movement of the Sumatran fault is triggered by plate activity in the western subduction zone of Sumatra, namely the Indo-Australian plate which moves down the Eurasian plate, causing pressure to push the Sumatra region towards the north. The purpose of this study is for the results of Ascending and Descending data on the impact of faults that occur on the Semangko Segment Sianok fault from 2020-2023 and to map the Land Displacement of the Semangko Segment Sianok fault from 2020-2023. Based on the results of data processing in this study, it can be concluded that in this study using ascending and descending direction data that experienced land movement (Land Displacement) due to this movement the impact of faults that occurred due to seismic activity along the segment resulted in the impact of natural disasters such as landslides, and earthquakes. This impact was triggered due to land movement because the effects of surface faults and ground shaking did cause most of the damage in several events. The ascending data explains the annual uplift of 15.28 mm marked in dark blue and the red color on the map shows the subsidence of -30.55 mm per year, while the light bitu color dominates in urban areas or areas inhabited by many people. While in the descending data, changes in land movement show an annual uplift of 6.74 mm and the red color shows subsidence of -13.47 mm per year. From the color change of each data shows ascending and descending data experiencing land subsidence uplift and subsidence.
Analisis Jumlah dan Distribusi Ground Control Point Yang Efektif dan Efisien Pada Pemetaan Foto Udara: Studi Kasus di Desa Kohong, Kecamatan Barito Tuhup Raya, Kabupaten Murung Raya, Provinsi Kalimantan Tengah Hangger Aqiim Mohammad Pandego; Fajrin Fajrin; Dwi Arini
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 2 No. 5 (2024): Oktober: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v2i5.599

Abstract

Aerial photo mapping requires Control Points (CP). The Indonesian National Standard 8202:2019 regulates the number of CPs needed. The smallest area regulated is less than 250 km². Projects with an area of less than 1 km² have the same number of CPs as those with an area of less than 250 km². This is neither effective nor efficient because the CP work depends on the number of workers and requires time based on access to the project site. This study aims to identify the minimum number of CPs and the appropriate distribution of CPs for aerial photo mapping at a scale of 1:2,500 class 1 that is effective and efficient in terms of time and cost. The study uses seven schemes. Schemes 1 and 7 use 4 Ground Control Points (GCP) and 5 Independent Control Points (ICP). Scheme 2 uses 5 GCPs and 4 ICPs. Schemes 3, 4, 5, and 6 use 3 GCPs and 6 ICPs. Each scheme will be evaluated based on CE90 and LE90 values. The maximum CE90 value is 0.75 m, and the LE90 value is 0.5 m. The effective and efficient scheme in terms of time and cost is determined by the number of GCPs used, as well as the CE90 and LE90 values. The results indicate that all schemes have CE90 and LE90 values below the maximum standard. Scheme 4 is identified as the most effective due to having the highest CE90 and LE90 values among the schemes, with CE90 at 0.028 m and LE90 at 0.448 m. Scheme 4 is also identified as the most efficient because it uses a minimal number of GCPs—only three—distributed diagonally from the Southeast to the Northwest in the project area.
Mapping the Cultural Tourism Complex of Nagari Pariangan Using UAV and Geographic Information Systems Arif Rizky Pradana; Fajrin Fajrin; Ilham Armi
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 4 No. 1 (2025): Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v4i1.4759

Abstract

The development of spatial data utilization has increased dramatically in the past decade. This is related to the widespread use of Geographic Information Systems (GIS) and the advancement of technology in acquiring spatial data. High-tech tools like UAVs (Unmanned Aerial Vehicles) are increasingly integrated with Geographic Information Systems (GIS) and other surveying and mapping technologies, and are therefore used in various surveying, mapping, and spatial analysis projects. One of the advantages of UAVs is that the captured data can be processed through software, producing images with high spatial and temporal resolution. The use of this technology demonstrates that mapping can be performed using photographic data. The purpose of this research is to analyze and map the distribution of cultural tourism sites in detail using UAV and GIS in Nagari Tuo Pariangan, Tanah Datar Regency. Based on the results of the research, it can be concluded that data collection was carried out using a DJI Mavic Pro drone, capturing 228 aerial photos which were then exported into orthophotos. Orthophotos function as a reference for the distribution map of cultural tourism sites. In addition, a database was created, integrating spatial (geographic) and non-spatial (attribute) data, containing the necessary information for tourism objects, such as the owner's name, year of construction, function, and history of the object. There are 31 cultural tourism objects in Nagari Pariangan, Tanah Datar Regency, consisting of 8 Rumah Gadang (traditional houses), 11 Surau (small mosques), 3 hot spring pools, 3 stone inscriptions, 1 hot spring pool, 1 Tuo Pariangan Mosque, 1 river, 1 Tabuik Mosque, and 1 Saruang Hall. Most of these cultural tourism objects are well-maintained by their owners, while a small number are neglected due to a lack of adequate human resources.
Analysis of the Relationship Between Local Climate Zone and Land Surface Temperature in Padang City Agung Pratama; Fajrin Fajrin; Defwaldi Defwaldi
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 4 No. 2 (2025): Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v4i1.4880

Abstract

Changes in the earth's surface temperature can have significant impacts on climate, environment, human health, and ecological systems. Global warming becomes increasingly complex when applied to urban contexts, which often experience urban heat island (UHI) effects. This study aims to analyze the relationship between Local Climate Zone (LCZ) and Land Surface Temperature (LST) in Padang City. This study identifies the distribution pattern of LCZ and relates it to surface temperature variability. The data used to map the local climate zone using samples made using WUDADPT and to determine land surface temperature using Landsat 8 OLI/TIRS C1 Level 1 Satellite Imagery. The results of this study are that the Local Climate Zone (LCZ) in Padang City consists of 13 classifications. The type of building that dominates Padang City is Open Low-rise. Meanwhile, Densee Trees dominate the type of natural land cover in Padang City. Land Surface Temperature (LST) in Padang City is dominated by low temperatures covering an area of ​​43,987.94 Ha. The relationship between LCZ and LST in Padang City has a coefficient of determination of 0.608, which means that the level of relationship between LCZ and LST shows a moderate relationship with the greatest influence occurring in the heavy industry classification with a coefficient of determination of 0.904, which means that the influence of heavy industry on temperature is 90.4% or very strong.
Integrasi SIG Dan Penginderaan Jauh Untuk Pemetaan Kesehatan Perkebunan Kelapa Sawit: Studi Kasus: Kecamatan Sangir Balai Janggo, Kabupaten Solok Selatan, Sumatera Barat Indah Amallia Fitri; Dwi Arini; Fajrin Fajrin
Jurnal Sains dan Ilmu Terapan Vol. 8 No. 1 (2025): Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/jsit.v8i1.922

Abstract

Sangir Balai Janggo District has many productive oil palm plantations, making it an ideal location for research related to oil palm plant health. Oil palm is a major commodity in Indonesian plantations, so mapping its health is crucial for sustainable agricultural management. This study aims to analyze the health of oil palm plants using the integration of Geographic Information Systems (GIS) and Remote Sensing with the Normalized Difference Vegetation Index (NDVI) method based on Sentinel-2A imagery. The results of the study show that the health of oil palm plants in Sangir Balai Janggo District is divided into four categories: very healthy (26,967.40 Ha; NDVI 0.66-0.87), fairly healthy (3,228.31 Ha; NDVI 0.33-0.66), unhealthy (547.75 Ha; NDVI 0-0.33), and dead (10.53 Ha; NDVI -0.33 - 0). The total area of oil palm plantations reaches 30,753.62 Ha. This study demonstrates that the integration of GIS and remote sensing is highly effective in accurately and efficiently mapping the health condition of oil palm plantations.
Evaluasi Kesesuaian Penggunaan Lahan Kota Jambi Tahun 2024 Terhadap Rencana Tata Ruang Wilayah Kota Jambi 2013-2033 Dwi Marsiska Driptufany; Syaputra, Ilham; Fajrin Fajrin; Defwaldi Defwaldi; Dwi Arini
Jurnal Sains dan Ilmu Terapan Vol. 8 No. 1 (2025): Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/jsit.v8i1.926

Abstract

Urban growth, both physical and non-physical, continues to increase, particularly in non-agricultural sectors such as settlements. Between 2000 and 2020, Jambi City experienced rapid and dense urban growth (Nugroho et al., 2022). Development must be carried out in accordance with the Regional Spatial Plan (RTRW) as stipulated in the Spatial Planning Law. This study aims to evaluate the current land use in Jambi City in 2024 to determine whether it aligns with the Jambi City RTRW for the period of 2013-2033. The method used in this research is overlay analysis, which involves combining attributes from the land use map and the spatial planning map of the RTRW. The results indicate that land use in Jambi City is predominantly residential (6,144.76 ha), followed by fields/cultivated land (5,468.64 ha), and shrubland (1,455.97 ha). The spatial utilization compatibility rate reaches 89.11%, demonstrating that the land use in Jambi City is in accordance with the established RTRW.
Pemetaan Kesesuaian Pemanfaatan Lahan Perkebunan Kelapa Sawit di Kabupaten Dharmasraya Fauzil Azim; Dwi Arini; Fajrin Fajrin; Defwaldi Defwaldi; Dwi Marsiska Driptufany
Jurnal Sains dan Ilmu Terapan Vol. 8 No. 1 (2025): Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/jsit.v8i1.928

Abstract

The majority of Indonesians work as farmers, and oil palm plantations have become one of the key pillars in Indonesia's economy. This commodity contributes significantly to the country's foreign exchange, employment opportunities, and economic growth across various regions, particularly in Sumatra. Dharmasraya Regency, located in West Sumatra, is one of the areas with a substantial area of oil palm plantations. Therefore, it is essential to conduct a detailed land suitability mapping to ensure that the development is carried out sustainably and does not harm the environment. In this study, the overlay method was applied, considering several parameters such as slope, surface temperature, rainfall, soil texture, and elevation. The results of this study produced a land suitability map for oil palm plantations, which indicates the suitability levels of the land. (S1) Highly Suitable with an area of 57,107.17 ha, (S2) Suitable with an area of 53,217.43 ha, (S3) Less Suitable with an area of 167,281.13 ha, and (N) Not Suitable with an area of 25,211.35 ha.