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Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian
Published by Universitas Negeri Semarang
ISSN : -     EISSN : 25493094     DOI : https://doi.org/10.15294/jg
Core Subject : Education,
Other
Jurnal Geografi welcomes authoritative, original, ably illustrated, and well-written manuscripts on any topic of geographical importance related to Indonesian cases as well as others areas in the planet. The Journal publishes Articles, Technical Notes, Rapid Communications, Opinion Papers, Comments/Responses and Corrections
Arjuna Subject : Umum - Umum
Articles 15 Documents
 1   2 
Comparison of Sentinel-1A Ascending and Descending Image Processing Results on the Tukul Dam Using SNAP Software Faiz Mahbubi; Sukamta; Prasetyo, Yudo
Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Vol. 22 No. 1 (2025): Volume 22 No 1, June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jg.v22i1.16427

Abstract

This study analysed and compared the accuracy of the results of Sentinel 1A satellite image processing in the ascending and descending orbit directions with SNAP software. The research is located at Tukul Dam, Karanggede Village, Arjosari District, Pacitan Regency, East Java Province, with a range of observation data for one year in 2022-2023. Sentinel 1A satellite image processing uses the Differential Interferometry Synthetic Aperture Radar (DInSAR) method. The results of Sentinel 1A image processing were validated using measurement data from 38 dam surface measurement points that had been measured terrestrial. The accuracy calculation uses the Root Mean Square error (RMSe) to measure the vertical movement of coordinates (Z) from the results of Sentinel 1A image processing in the ascending and descending orbit directions with the actual position in the field measured terrestrially. The result is the RMSe value of vertical movement from the Sentinel 1A image processing in the ascending direction is 0.015m. In comparison, the result of Sentinel lA image processing in the descending orbit direction is 0.234m. Based on the calculation results of the RMSe value of vertical movement, the results of Sentinel 1A image processing in the ascending direction are better used for calculating vertical movement at Tukul Dam.
The ANALYSIS OF TIDAL INUNDATION AND THE AGGLOMERATION OF LOSSES IN THE COASTAL AREA OF BONANG SUB-DISTRICT, DEMAK DISTRICT Adimas Bagus Saputro
Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Vol. 22 No. 1 (2025): Volume 22 No 1, June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jg.v22i1.17929

Abstract

Rob is a disaster whose impact is getting worse due to inappropriate use and management of land in coastal areas, endangering Java's coastal areas which are around 1,000 km long and more than 250 km wide, so that the total area will be threatened. more than 80,000 km of Indonesian coast (Triatmodjo, 1999; Bird and Ongkosongo, 2005). Demak Regency is one of the districts in Central Java which is located on the north coast (Pantura). According to the Demak Regency Central Statistics Agency, settlements in Demak Regency are coastal settlements that are prone to flood disasters, especially in the Bonang District area. The problem of damage due to tides in Demak Province is caused by its geographical location in coastal areas and bordering rivers with almost flat land slopes, and is exacerbated by the reduction in river watersheds due to land conversion. If sea level rise is expected to continue to increase in the long term, there are concerns that flooding due to storms will become more widespread. The impact caused is directly proportional to the area covered by the flood.The method used is a quantitative method with a spatial approach. The research results show that the physiographic conditions of Bonang District, which tend to be flat and have low land elevations, have a significant effect on the area covered by tidal flooding, reaching 71.04% of the total area. With the characteristics of Bonang District as a densely populated area, the resulting estimated losses are even greater. The distance of the moon from the earth also plays a role in determining the height of sea tides, which in turn influences the height of inundation
An Enhancing Community Disaster Resilience in Tourism Villages: Insights from West Nusa Tenggara, Indonesia Osmar Shalih; Heni Marta Diana Matita Putti; Falisha, Sania Indah Kirana Falisha
Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Vol. 22 No. 1 (2025): Volume 22 No 1, June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jg.v22i1.19606

Abstract

Historical records show that Lombok experienced significant damage from a tsunami triggered by geological activity in 1977. Kuta Village, located in southern Lombok, faces a high risk of earthquakes and tsunamis. This research aims to develop mitigation and preparedness recommendations for the area. Data was collected using a community preparedness survey in Kuta Village, observation with town watching, and focus group discussions. The results of the Household Preparedness Survey showed low scores in terms of knowledge, early warning, emergency response plans, and resource mobilization. Mitigation schemes in Kuta Village should prioritize improving both structural and non-structural aspects of the area. Structural measures should involve cooperation between local communities and the district government to maintain coastal vegetation. Non-structural approaches to mitigation include implementing tsunami mitigation measures into village development plans, improving community capacity, strengthening local government, and utilizing community-based early warning systems. To improve community capacity, the establishment of disaster-resilient tourism villages would be beneficial. In addition, promoting disaster-resilient families and raising tsunami awareness through locally sourced knowledge would also be useful.
The Analysis of Hail Based on Atmospheric Conditions and Himawari-9 Satellite: Case Study of Surabaya City, March 20, 2023 Mashuri, Imawan; Amri, Sayful; Aslama Afghani, Fadhli; Muhammad Aslam, Fadhil
Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Vol. 22 No. 1 (2025): Volume 22 No 1, June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jg.v22i1.21942

Abstract

Hail is a rare extreme weather phenomenon in Indonesia. On March 20, 2023, hail occurred in Surabaya City. The research was conducted to analyze the hail based on atmospheric conditions and the Himawari-9 satellite. Analysis of the global scale showed anomalies in sea surface temperature in the Southeast Indian Ocean. Regionally, a monsoon shear line and significant low-level moisture transport from the South Java Sea caused convergence in the Surabaya. Locally, there was a significant increase in relative humidity by 10%, and a surface temperature decrease of 3.2°C resulted in wetter surface weather. The occurrence of hail was also supported by upper air conditions, with four indices (CAPE, LI, TT, and SWEAT) falling within the moderate category. In contrast, CIN was categorized as low, while KI increased from moderate to high. A moderate CAPE index in the mid-level updraft of moist air resulted in the maximum hail size. Clouds reached the freezing level in the mid-level atmosphere at 5048 meters and 4776 meters. The RGB Day Microphysics technique using Himawari-9 satellite imagery identified overshooting tops and a drastic decrease in top cloud temperature reaching -82.5°C, indicating the presence of a strong updraft and the formation of convective clouds that surpassed the freezing level.
The Land Suitability for Settlement in the Coastal Area of Bolaang Mongondow Utara Regency Lamunte, Laras; Maryati, Sri; Yusuf, Daud
Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Vol. 22 No. 1 (2025): Volume 22 No 1, June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jg.v22i1.24109

Abstract

This study aims to evaluate the land suitability for residential development in the coastal areas of Bolaang Mongondow Utara Regency. A spatial analysis approach based on Geographic Information Systems (GIS) was employed, utilizing techniques such as buffering, overlay, and scoring to assess the suitability parameters. The evaluated parameters include slope, soil type, accessibility (Distance to Main Road), land use, distance to coastline, and distance to river. The spatial analysis results indicate that the majority of the study area is categorized as marginally suitable for settlement (18,619.35 ha or 55.73%), while highly suitable areas account for 1,847.10 ha (36.05%). These findings provide important insights for regional planning by the local government in managing coastal residential development.

Page 2 of 2 | Total Record : 15

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