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All Journal Indonesian Journal of Geography LaGeografiA Jurnal Sosioteknologi PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON DATA SCIENCE AND OFFICIAL STATISTICS
Putra, Andika Permadi
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Humanities Computer Science & IT Earth & Planetary Sciences Education Engineering Physics Social Sciences Other

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Pemantauan Perubahan Posisi Garis Pantai Patimban untuk Mendukung Perencanaan Kawasan Pesisir Berkelanjutan Putra, Andika Permadi; Nurrohman, Andy Wibawa
LaGeografia Vol 23, No 3 (2025): Juni
Publisher : UNIVERSITAS NEGERI MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/lageografia.v23i3.73901

Abstract

Shoreline monitoring in the Patimban Beach area is needed to understand the phenomenon of sedimentation and abrasion that affect development patterns in coastal areas. The method used to obtain shoreline change data is the Digital Analysis Shoreline System (DSAS), using shoreline position data for several different times. Existing shoreline data is obtained from processing Sentinel 2 satellite imagery that utilizes green and near-infrared channels to separate water bodies and land with the Normalized Difference Water Index (NDWI) algorithm. The results obtained from the DSAS method for Patimban Beach from 2020-2024 are the occurrence of coastal accretion and abrasion. In general, the acceleration of changes in Patimban Beach between 2020-2024 ranges from -35.54 meters per year. From the results of this calculation, it is hoped that it will be a reference for the sustainable development of the Patimban Beach area.AbstrakPemantauan garis Pantai di kawasan Pantai patimban diperlukan untuk memahami fenomena sedimentasi dan abrasi yang berpengaruh terhadap pola Pembangunan di akwasan pesisir. Metode yang digunakan untuk mendapatkan data perubahan garis Pantai adalah Digital Analysis Shoreline System (DSAS), dengan menggunakan data posisi garis Pantai untuk beberapa waktu yang berbeda. Data garis Pantai eksisiting didapatkan dari pengolahan citra satelit Sentinel 2 yang memanfaatkan kanal hijau dan infrared dekat untuk memisahkan badan air dan daratan dengan algoritma Normalized Difference Water Index (NDWI). Hasil yang didapatkan dari metode DSAS untuk Pantai Patimban dari tahun 2020-2024 adalah terjadinya akresi dan abrasi Pantai. Secara umum, percepatan perubahan Pantai Patimban antara tahun 2020-2024 berkisar antara -35.54 meter per tahun. Dari hasil penghitungan ini, diharapkan jadi acuan untuk Pembangunan kawasan Pantai Patimban yang berkelanjutan. 
Dampak Perubahan Garis Pantai terhadap Status Titik Dasar dan Garis Pangkal Indonesia: Studi Kasus Nias Utara, Pulau Wunga, dan Bireun, Indonesia Kadafi Anantri, Nofal Mahdi; Djunarsjah, Eka; Putra, Andika Permadi
Jurnal Sosioteknologi Vol. 24 No. 1 (2025): MARCH 2025
Publisher : Fakultas Seni Rupa dan Desain ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/sostek.itbj.2025.24.1.9

Abstract

Beach is a very dynamic environment because, in that environment, various processes occur, such as sedimentation, abrasion, and transportation. Likewise, the shoreline has a dynamic nature to change. Shoreline Changes can affect a country's maritime boundaries. This is because the changing shoreline can change the draw of the Baseline, which is the reference for measuring the maritime boundary. Therefore, it is necessary to monitor the shoreline where the Basepoint and Baseline are located. In this study, measurements of shoreline changes were made using SPOT 6 data which has a spatial resolution of 1.5 m. Shoreline changes were calculated using the DSAS. From the calculation results, the average rate of accretion in the Base Point 167 area is 5.63 m/year. Then in the area around Base Point 168 it has an average accretion rate of 2.27 m/year. In the area around Base Point 180, an average accretion rate of 15.11 m/year is obtained. The accretion process results in a change in the shoreline, resulting in a change in the configuration of the low water line which is the location where the base point is placed. Thus, changes in the shoreline can affect the withdrawal of Indonesia’s maritime boundaries.
Optimization of Marine Activities Based on Spatial Regional Planning and Geographical Approaches: A Case Study of Tol Laut Program in Indonesia Djunarsjah, Eka; Munaf, Dicky Rezaldy; Putra, Briantara Revidinda; Pamungkas, Bagaskoro; Roup, Gabriella Azzahra; Mirenza, Adinda Dheren; Wisayantono, Dwi; Julian, Miga Magenika; Muhammad, Fickrie; Putra, Andika Permadi; Lubis, Nafandra Syabana
Indonesian Journal of Geography Vol 57, No 3 (2025): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.95684

Abstract

Tol Laut is a marine activity that manages the maritime highway system in Indonesia to ensure and improve connectivity within the national logistics and supply chain system. This system arises because of the inequality of economic growth and development between several regions and provinces. The purpose of this program is to reduce high price disparities so that equity across regions can be achieved. However, this system has not run optimally. The performance of the program, which has entered its eighth year, is still less than 30%. Many problems arise that persist in causing the high price of goods. Hence, this study will identify the causes of the suboptimal Tol Laut by using spatial and geographic approaches on a sample of T-3 shipping route. Based on the spatial approach, it is found that the route is not optimal, so a strategy is obtained to create a new optimal route by producing a more efficient distance of 51,148 nm and a more effective time of 2 hours 18 minutes. Based on the geographical approach, the economic, social, and cultural factors that influence it were obtained. The identification of economic factors shows that high insurance premiums cause price disparities. Through this research, a strategy to produce more efficient and effective tariffs is obtained so as to reduce high disparities. This is important because Tol Laut is national strategic project that needs to be maintained.Received: 2024-04-30 Revised: 2025-08-15 Accepted: 2025-12-03 Published: 2025-12-04
Spatial Modelling of the Relationship Between the Characteristics of Vegetation Index, Life Expectancy and Fertility Rate in Banten Province Asyari, Ahmad Syuhada Islami; Sumirah, Diana; ., Syaefunnisa; Fadhilah, Achmad; Putra, Andika Permadi
Proceedings of The International Conference on Data Science and Official Statistics Vol. 2025 No. 1 (2025): Proceedings of 2025 International Conference on Data Science and Official St
Publisher : Politeknik Statistika STIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34123/icdsos.v2025i1.659

Abstract

Rapid urbanization in Banten Province has reduced green open spaces, impacting environmental sustainability and demographic dynamics. This study analyzes the spatial relationship between vegetation index, life expectancy (LE), and total fertility rate (TFR) using Landsat 8 imagery (2020–2024) and demographic data from the Central Bureau of Statistics (BPS). The vegetation index, measured using the Normalized Difference Vegetation Index (NDVI), was examined alongside LE and TFR through Pearson correlation and Moran’s I spatial autocorrelation. The results indicate a moderate negative correlation between NDVI and LE (r = -0.561, p < 0.05) and a strong negative correlation between LE and TFR (r ? -0.94). Urban areas such as Tangerang City and South Tangerang City, despite having low vegetation cover, recorded higher LE due to adequate healthcare access. Conversely, rural areas with greater vegetation tended to have lower LE. Spatial analysis identified urban centers as hotspots with high LE, while rural regions appeared as coldspots. These findings confirm that healthcare access and socioeconomic factors can compensate for limited vegetation, while demographic transitions contribute to fertility decline, ultimately supporting sustainable development in Banten Province.
Co-Authors ., Syaefunnisa Asyari, Ahmad Syuhada Islami Djunarsjah, Eka Dwi Wisayantono, Dwi Fadhilah, Achmad Julian, Miga Magenika Kadafi Anantri, Nofal Mahdi Lubis, Nafandra Syabana Mirenza, Adinda Dheren Muhammad, Fickrie Munaf, Dicky Rezaldy Nurrohman, Andy Wibawa Pamungkas, Bagaskoro Putra, Briantara Revidinda Roup, Gabriella Azzahra Sumirah, Diana